CN106936736B - Expansible network on mating plate structure and its communication means based on bilayer layout - Google Patents
Expansible network on mating plate structure and its communication means based on bilayer layout Download PDFInfo
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- CN106936736B CN106936736B CN201710230949.4A CN201710230949A CN106936736B CN 106936736 B CN106936736 B CN 106936736B CN 201710230949 A CN201710230949 A CN 201710230949A CN 106936736 B CN106936736 B CN 106936736B
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- kernel
- intellectual property
- router
- optical waveguide
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/109—Integrated on microchip, e.g. switch-on-chip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/356—Switches specially adapted for specific applications for storage area networks
- H04L49/357—Fibre channel switches
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
Abstract
The invention discloses a kind of expansible network on mating plate structure and its communication means based on bilayer layout, mainly solve the problems, such as that network structure crossover loss is big in existing network on mating plate, communication delay expense is larger.The structure includes optical router, optical waveguide and intellectual property IP kernel, and each six port optical routers are separately connected two intellectual property IP kernels and four one optical waveguides, and optical waveguide etches on upper layer and lower layer silicon substrate respectively according to connected router port position.Its communication means is: establishing coordinate system in expansible network on mating plate；Determine the transmission path of signal；Configure the optical router port in transmission path；Send optical signal；Receive and process optical signal.The present invention effectively optimizes network on mating plate topology layout, improves the scalability and communication efficiency of network on mating plate.
Description
Technical field
The invention belongs to fields of communication technology, further relate to network on mating plate (Optical Network-on-
Chip, ONoC) in expansible network on mating plate structure based on bilayer layout of one of multi-core node field of interconnection technologies and
Its communication means.The present invention is based on the expansible network on mating plate structures and its communication means of bilayer layout, for building chip
Upper intellectual property (Intellectual Property, IP) core interference networks, information is transmitted between realizing IP kernel, improves piece online
Network communication efficiency.
Background technique
Mode is electrically interconnected compared to traditional on piece, realizes that the light network of communication has higher bandwidth close by optical signal
The advantages such as degree, smaller communication delay, lower system power dissipation and lesser network crosstalk.In recent years, silicon substrate optical device technology
Be constantly progressive the generation and rapid development for having pushed network on mating plate.But due to optical storage can not effective integration, patrolled with the time
It is still immature to collect processing technique, therefore the communication resource need to be deployed in advance, network on mating plate generallys use photoelectricity path switching mechanism
System realizes the communication between IP kernel.
Patented technology " the network on mating plate system of clog-free communication and its communication that Xian Electronics Science and Technology University possesses at it
In method " (applying date: on July 17th, 2012, application number: CN 201210245590.5, Authorization Notice No.: 102780936B)
The network on mating plate system and its communication means of a kind of clog-free communication are disclosed, is mainly solved existing for existing network on mating plate
Obstructing problem.The system includes optical transport network and electric control network, and each node in optical transport network includes IP kernel, sends list
Member, receiving unit and light crosspoint, the transmission wavelength of each transmission unit are fixed, and light crosspoint is made of light vertical switch,
The internal structure of each receiving unit is identical.But shortcoming existing for the system is: the layout of waveguide is not in light crosspoint
Enough optimization, leads to that network on mating plate crossover loss is larger, extended capability is limited, and application value is low.
Fudan University is in a kind of patent document " network-on-chip communication means based on Mesh topological structure " (Shen of its application
Please day: on June 18th, 2013, application number: CN201310242869.2, publication number: 106254254A) in disclose one kind and be based on
The network-on-chip communication means of Mesh topological structure.This method is mainly to improve the efficiencies of transmission of network on mating plate data, packet
It includes from main core according to certain routing algorithm respectively to each daughter nucleus propagation data from the near to the distant, network-on-chip communication is using packet
The data transfer mode of exchange.But the shortcoming that this method still has is: on a large scale with the collection based on Mesh structure
Expand, network diameter increases, and communication average number of hops increases, and the time delay expense transmitted from the near to the distant with the communication means is larger.
Xian Electronics Science and Technology University its application patent document " communication means of three-dimensional network on mating plate " (applying date:
On April 22nd, 2016, application number: 201610255814.9, publication number: CN 105959239A) in disclose it is a kind of based on micro-loop
The light crosspoint of resonator, mainly solves that communication link utilization rate in existing three-dimensional network on mating plate is low, single node resistance
Plug influences the communication of other nodes, the big problem low with network throughput of communication delay.This method is grouped in centre in resource reservation
When node is blocked, resource reservation grouping is retransmitted according to network real-time condition, and is carrying out resource reservation grouping weight
The condition of resource reservation packet retransmissions present is optimized during biography.But shortcoming existing for this method is: passing through re-transmission
Mechanism solves obstructing problem, and network agile degree is low, and this method ignores the network communication for specific application.
Summary of the invention
It is an object of the invention to overcome above-mentioned prior art insufficient, a kind of expansible mating plate based on bilayer layout is proposed
Upper network structure and its communication means reduce waveguide in network and intersect, reduce network-on-chip loss of communications, improve mating plate online
The scalability and communication efficiency of network.
Concrete thought of the invention is: two kinds be arranged alternately are mutually connected in mirror-symmetrical six port optical routers of staggered floor
Intellectual property IP kernel and optical waveguide are staggeredly etched on upper layer and lower layer silicon substrate by optical waveguide, reduce crossover loss in network.
By cross, the ordinate of source intellectual property IP kernel and purpose intellectual property IP kernel, the transmission path of optical signal is determined.Improve mating plate
Upper network communication efficiency.
To achieve the above object, the present invention includes a kind of based on the double-deck expansible network on mating plate structure being laid out and its logical
Letter method.
Expansible network on mating plate structure based on bilayer layout includes upper layer and lower layer silicon substrate and etching upper and lower two
2N on layer silicon substrate2A six port optical routers, 4N2One optical waveguide is connected with optical waveguide by six port optical routers
4N2A intellectual property IP kernel, wherein N is greater than the positive integer equal to 3.
2N2A six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network.
4N2One optical waveguide staggeredly etches on upper layer and lower layer silicon substrate, and every one optical waveguide connects two six port optical routings
Device realizes the transmission of optical signal in network.
4N2A intellectual property IP kernel realizes the processing of optical signal in network.
Based on the expansible network on mating plate communication means of bilayer layout, the expansible network on mating plate of bilayer layout is utilized
Structure transmits optical signal, completes the communication between intellectual property IP kernel, and specific steps include the following:
(1) coordinate system is established in expansible network on mating plate:
(1a) with the horizontal symmetry axis in expansible network on mating plate to the right for positive direction, to be positive in vertically symmetrical axial direction
Plane right-angle coordinate is established in direction.
(1b) using adjacent optical path in expansible network on mating plate by the middle heart septum of device as unit length, successively determine each
The coordinate value of optical router, the coordinate value of each intellectual property IP kernel are identical with coupled optical router coordinate value.
(2) transmission path of signal is determined:
It is produced by comparing the abscissa of source intellectual property IP kernel and the abscissa of purpose intellectual property IP kernel, source knowledge respectively
The ordinate of IP kernel and the ordinate of purpose intellectual property IP kernel are weighed, the abscissa and purpose of source intellectual property IP kernel are calculated separately
The abscissa product value of intellectual property IP kernel, the ordinate of the ordinate and purpose intellectual property IP kernel of source intellectual property IP kernel multiply
Product value, coordinate weight judge the relative position of source intellectual property IP kernel Yu purpose intellectual property IP kernel, determine the transmission road of signal
Diameter；
(3) the optical router port in transmission path is configured:
The source (3a) intellectual property IP kernel sends control signal.
(3b) controls signal along identified signal transmission path, transmits to purpose intellectual property IP kernel.
(3c) controls the optical router port in signal configuration transmission path.
(3d) purpose intellectual property IP kernel generates upon the reception of control signals and sends answer signal, and answer signal is along biography
Defeated path returns to source intellectual property IP kernel.
(4) optical signal is sent:
Source intellectual property IP kernel generates after receiving answer signal and sends optical signal, and optical signal is along transmission path to mesh
Intellectual property IP kernel transmission.
(5) optical signal is received:
(5a) purpose intellectual property IP kernel receives optical signal.
(5b) purpose intellectual property IP kernel generates and sends ending signal, and ending signal is transmitted to source intellectual property IP kernel,
Configured optical router port is discharged along transmission path.
The present invention has the advantage that compared with existing system
First, since the present invention is based on 4N in the expansible network on mating plate structure of bilayer layout2One optical waveguide is upper and lower
It is staggeredly etched on two layers of silicon substrate, overcomes waveguide layout in light crosspoint in the prior art and not enough optimize, network on mating plate
The problem that crossover loss is larger, extended capability is limited, so that the present invention has, via net loss is small, capacity usage ratio is high, expansible
The strong advantage of property.
Second, due to optical signal edge transmission in the expansible network on mating plate communication means of the invention based on bilayer layout
Path transmission, overcomes that time delay expense that the communication means in the prior art based on Mesh structure transmits from the near to the distant is biggish to ask
Topic so that the present invention have the advantages that low time delay, height handle up, high bandwidth.
Third, due to the expansible network on mating plate communication means of the invention based on bilayer layout, by calculating separately
The product value and coordinate weight of the cross of source intellectual property IP kernel and purpose intellectual property IP kernel, ordinate, judge source intellectual property
The relative position of IP kernel and purpose intellectual property IP kernel, determines the transmission path of signal, overcomes network agile in the prior art
Degree is low, ignores aiming at the problem that network communication of specific application, so that the present invention has communication efficiency high, application-oriented wide
Advantage.
Detailed description of the invention
Fig. 1 be in structure of the invention two kinds mutually in mirror-symmetrical six port optical routers port layout schematic diagram of staggered floor；
Fig. 2 is to set 36 for the number that six port optical routers numbers are set as 18, optical waveguide in structure of the invention, know
Know the schematic network structure that property right IP kernel number is set as 36；
Fig. 3 is to set 64 for the number that six port optical routers numbers are set as 32, optical waveguide in structure of the invention, know
Know the schematic network structure that property right IP kernel number is set as 64；
Fig. 4 be set 100 for the number that six port optical routers numbers are set as 50, optical waveguide in structure of the invention,
Intellectual property IP kernel number is set as 100 schematic network structure；
Fig. 5 is the flow chart of communication means of the present invention；
Fig. 6 is the flow chart that signal transmission path step is determined in communication means of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
The inventive system comprises upper layer and lower layer silicon substrate and etch the 2N on upper layer and lower layer silicon substrate2A six port
Optical router, 4N2One optical waveguide, the 4N connected by six port optical routers with optical waveguide2A intellectual property IP kernel, wherein N be
Positive integer more than or equal to 3.
2N2A six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network.
Two kinds mutually have 2N in mirror-symmetrical six port optical routers of staggered floor2It is a, including N2The optical router of a positive arrangement
And N2The optical router of a reversed arrangement, six ports that each optical router periphery is uniformly arranged.The optical routing of forward direction arrangement
It is more than six ports of device, lower layer's alternating expression be uniformly arranged, below six ports of the optical router of reversed arrangement, upper layer interlocks
Formula is uniformly arranged, and is corresponding in turn to staggered floor distribution, the optical path of two kinds of arrangement modes with six ports of the optical router of forward direction arrangement
It is mutually in that mirror surface is symmetrical by the port distribution of device.
It referring to Fig.1, is mutually in mirror-symmetrical six port optical routers port cloth of staggered floor to two kinds in structure of the invention
Office is described further.
Two kinds include: mutually the positive optical router 1 arranged and reversed row in mirror-symmetrical six port optical routers of staggered floor
The optical router 2 of column.Each optical router is in regular hexagon, using optical router center upward direction as positive direction when overlooking,
Six ports of optical router are uniformly distributed with optical router structure peripheral, be sequentially located at positive direction deflect clockwise 30 °,
90 °, 150 °, 210 °, 270 °, 330 ° of positions.Forward direction arrangement optical router 1 six ports more than, lower layer's alternating expression it is uniform
Setting, six ports are sequentially located at upper layerLower layerUpper layer, lower layer, upper layer, lower layer.The optical router 2 of reversed arrangement
Six ports below, upper layer alternating expression be uniformly arranged, six ports be sequentially located at lower layer, upper layer, lower layer, upper layer, lower layer, on
Layer.The port distribution of the optical router of two kinds of arrangement modes is mutually in that mirror surface is symmetrical.
2N22N optical router in a six port optical routers is distributed in horizontal symmetry axis, remaining optical router
It is spacedly distributed in by vertically symmetrical axis and four quadrants of horizontal symmetry axis division with N-1 row, N-1 column respectively.It is horizontal right
2N optical router on axis is claimed to be evenly distributed on vertically symmetrical axis two sides, each quadrant is placedA optical router,
A behavior the first row farthest apart from horizontal symmetry axis, in the i-th row, wherein i is 1≤i of satisfaction≤(N-1) positive integer, from
It is risen at vertically symmetrical axis, m optical router is set, optical router number m meets m=i, the optical router phase in same row
Together, the optical router between each column is arranged alternately with the optical router of the optical router of forward direction arrangement and reversed arrangement, each quadrant
In optical router axisymmetricly arrange respectively about horizontal symmetry axis and vertically symmetrical axis.
2 (number that six port optical routers numbers are set as 18, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 36, intellectual property IP kernel number is set as 36), the alternating of 18 six port optical routers is arranged
Mode for cloth further illustrates.
18 six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network.
Two kinds mutually have 18 in mirror-symmetrical six port optical routers of staggered floor, the optical router including 9 positive arrangements
Six ports being uniformly arranged with the optical router of 9 reversed arrangements, each optical router periphery.The optical router of forward direction arrangement
Six ports more than, lower layer's alternating expression be uniformly distributed, below six ports of the optical router of reversed arrangement, the alternating expression of upper layer
It is uniformly distributed, is corresponding in turn to staggered floor distribution, the optical routing of two kinds of arrangement modes with six ports of the optical router of forward direction arrangement
The port distribution of device is mutually in that mirror surface is symmetrical.
6 optical routers in 18 six port optical routers are distributed in horizontal symmetry axis 2, remaining optical router point
It is not spacedly distributed in four quadrants divided by vertically symmetrical axis 1 and horizontal symmetry axis 2 with 2 rows, 2 column.Horizontal symmetry axis 2
On 6 optical routers be evenly distributed on vertically symmetrical 1 two sides of axis.In each quadrant, a line farthest apart from horizontal symmetry axis 2
From at vertically symmetrical axis 1,1 optical router is set in the 1st row for the first row, in the 2nd row, from close to vertical
It is risen at symmetry axis 1,2 optical routers is set, place 3 optical routers altogether, the optical router in same row is identical, between each column
Optical router is arranged alternately with the optical router of the optical router of forward direction arrangement and reversed arrangement.Optical router in each quadrant
It axisymmetricly arranges respectively about horizontal symmetry axis 2 and vertically symmetrical axis 1.
3 (number that six port optical routers numbers are set as 32, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 64, intellectual property IP kernel number is set as 64), the alternating of 32 six port optical routers is arranged
Mode for cloth further illustrates.
32 six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network.
Two kinds mutually have 32 in mirror-symmetrical six port optical routers of staggered floor, the optical router including 16 positive arrangements
Six ports being uniformly arranged with the optical router of 16 reversed arrangements, each optical router periphery.The optical routing of forward direction arrangement
It is more than six ports of device, lower layer's alternating expression be uniformly distributed, below six ports of the optical router of reversed arrangement, upper layer interlocks
Formula is uniformly distributed, and is corresponding in turn to staggered floor distribution, the optical path of two kinds of arrangement modes with six ports of the optical router of forward direction arrangement
It is mutually in that mirror surface is symmetrical by the port distribution of device.
8 optical routers in 32 six port optical routers are distributed in horizontal symmetry axis 2, remaining optical router point
It is not spacedly distributed in four quadrants divided by vertically symmetrical axis 1 and horizontal symmetry axis 2 with 3 rows, 3 column.Horizontal symmetry axis 2
On 8 optical routers be evenly distributed on vertically symmetrical 1 two sides of axis.In each quadrant, a line farthest apart from horizontal symmetry axis 2
From at vertically symmetrical axis 1,1 optical router is set in the 1st row for the first row.In the 2nd row, from close to vertical
It is risen at symmetry axis 1,2 optical routers is set.In the 3rd row, from vertically symmetrical axis 1,3 optical routers are set,
Each quadrant places 6 optical routers, and the optical router in same row is identical, and the optical router between each column is with the light of forward direction arrangement
Router and the optical router of reversed arrangement are arranged alternately.Optical router in each quadrant is respectively about 2 He of horizontal symmetry axis
Vertically symmetrical axis 1 is axisymmetricly arranged.
4 (number that six port optical routers numbers are set as 50, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 100, intellectual property IP kernel number is set as 100), to the alternating of 50 six port optical routers
Arrangement mode further illustrates.
50 six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network.
Two kinds mutually have 50 in mirror-symmetrical six port optical routers of staggered floor, the optical router including 25 positive arrangements
Six ports being uniformly arranged with the optical router of 25 reversed arrangements, each optical router periphery.The optical routing of forward direction arrangement
It is more than six ports of device, lower layer's alternating expression be uniformly distributed, below six ports of the optical router of reversed arrangement, upper layer interlocks
Formula is uniformly distributed, and is corresponding in turn to staggered floor distribution, the optical path of two kinds of arrangement modes with six ports of the optical router of forward direction arrangement
It is mutually in that mirror surface is symmetrical by the port distribution of device.
10 optical routers in 50 six port optical routers are distributed in horizontal symmetry axis 2, remaining optical router
It is spacedly distributed in four quadrants divided by vertically symmetrical axis 1 and horizontal symmetry axis 2 with 4 rows, 4 column respectively.Horizontal symmetrical
10 optical routers on axis 2 are evenly distributed on vertically symmetrical 1 two sides of axis.In each quadrant, farthest apart from horizontal symmetry axis 2
From at vertically symmetrical axis 1,1 optical router is arranged in the 1st row in one behavior the first row.In the 2nd row, from close
It is risen at vertically symmetrical axis 1,2 optical routers is set.In the 3rd row, from vertically symmetrical axis 1,3 optical routings are set
Device.In the 4th row, from vertically symmetrical axis 1,4 optical routers are set, each quadrant places 10 optical routers,
Optical router in same row is identical, and the optical router between each column is with the optical routing of the optical router of forward direction arrangement and reversed arrangement
Device is arranged alternately.Optical router in each quadrant is axisymmetricly arranged respectively about horizontal symmetry axis 2 and vertically symmetrical axis 1.
4N2One optical waveguide staggeredly etches on upper layer and lower layer silicon substrate, and every one optical waveguide connects two six port optical routings
Device realizes the transmission of optical signal in network.
4N2Staggeredly etching refers to one optical waveguide on upper layer and lower layer silicon substrate:
Along the 2N of vertically symmetrical axis direction distribution2It include 2N in -2 one optical waveguides2- 2N one optical waveguide and 2N-2 one optical waveguide
Two kinds.2N2Each one optical waveguide in -2N one optical waveguide distinguishes optical router adjacent thereto and is connected, and each one optical waveguide is equal
It etches on the silicon substrate of upper layer.Each one optical waveguide in 2N-2 one optical waveguide is connected with optical router at each column head and the tail respectively,
2N-2 one optical waveguide successively alternately etches on upper and lower layer silicon substrate outward from close to vertically symmetrical axis.
Along the 4 (N-1)+2 (N-1) of horizontal symmetry axis directional spreding2Include in optical waveguide (2N-3)+2 (N-1)2One optical waveguide
With two kinds of 2N-1 one optical waveguide, wherein (2N-3)+2 (N-1)2It again include 2N-3 one optical waveguide and 2 (N-1) in one optical waveguide2Root light
Two kinds of waveguide.(2N-3)+2(N-1)2Each one optical waveguide in one optical waveguide, difference is adjacent thereto, removes first in all quadrants
Optical router other than row is connected, and 2N-3 one optical waveguide optical router adjacent thereto is connected and line and vertically symmetrical axis phase
It hands over, each one optical waveguide in 2N-3 one optical waveguide is etched on the silicon substrate of upper layer.2(N-1)2One optical waveguide is from close to vertical right
Claim axis to rise successively alternately to etch on upper and lower layer silicon substrate outward.Each one optical waveguide in 2N-1 one optical waveguide is respectively and often
Optical router is connected at row head and the tail, and each one optical waveguide is etched on lower layer's silicon substrate.
Two optical routers located from beginning to end in horizontal symmetry axis pass through in two one optical waveguides and adjacent quadrants the respectively
The optical router of a line is connected, and four one optical waveguides form peripheral loop, and every one optical waveguide in peripheral loop is etched in upper layer
On silicon substrate.
2 (number that six port optical routers numbers are set as 18, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 36, intellectual property IP kernel number is set as 36), to 36 one optical waveguides in upper layer and lower layer silicon substrate
Upper staggeredly etching mode further illustrates.
It include two kinds of 12 one optical waveguides and 4 one optical waveguides along 16 one optical waveguides of vertically symmetrical 1 directional spreding of axis.12
Each one optical waveguide in optical waveguide distinguishes optical router adjacent thereto and is connected, and each one optical waveguide is etched to be served as a contrast in upper layer of silicon
On bottom.Each one optical waveguide in 4 one optical waveguides is connected with optical router at each column head and the tail respectively, and 4 one optical waveguides are from close to perpendicular
Straight symmetry axis 1 rises successively alternately to be etched on upper and lower layer silicon substrate outward.
It include two kinds of 11 one optical waveguides and 5 one optical waveguides along 16 optical waveguides of 2 directional spreding of horizontal symmetry axis, wherein 11
It again include two kinds of 3 one optical waveguides and 8 one optical waveguides in one optical waveguide.Each one optical waveguide in 11 one optical waveguides, respectively with its
Adjacent, in addition to the first row in all quadrants optical router be connected, 3 one optical waveguides optical router adjacent thereto be connected and
Line intersects with vertically symmetrical axis 1, these optical waveguides are etched on the silicon substrate of upper layer.8 one optical waveguides are from close to vertically symmetrical axis 1
It rises outward, is successively alternately etched on upper and lower layer silicon substrate.Each one optical waveguide in 5 one optical waveguides respectively with every row head and the tail
Locate optical router to be connected, these optical waveguides are etched on lower layer's silicon substrate.
2 optical routers located from beginning to end in horizontal symmetry axis 2 pass through in 2 one optical waveguides and adjacent quadrants the respectively
The optical router of a line is connected, and 4 one optical waveguides form peripheral loop, and every one optical waveguide in peripheral loop is etched in upper layer of silicon
On substrate.
3 (number that six port optical routers numbers are set as 32, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 64, intellectual property IP kernel number is set as 64), to 64 one optical waveguides in upper layer and lower layer silicon substrate
Upper staggeredly etching mode further illustrates.
It include two kinds of 24 one optical waveguides and 6 one optical waveguides along 30 one optical waveguides of vertically symmetrical 1 directional spreding of axis.24
Each one optical waveguide in optical waveguide distinguishes optical router adjacent thereto and is connected, and each one optical waveguide is etched to be served as a contrast in upper layer of silicon
On bottom.Each one optical waveguide in 6 one optical waveguides is connected with optical router at each column head and the tail respectively, and 6 one optical waveguides are from close to perpendicular
Straight symmetry axis 1 rises successively alternately to be etched on upper and lower layer silicon substrate outward.
It include two kinds of 23 one optical waveguides and 7 one optical waveguides along 30 optical waveguides of 2 directional spreding of horizontal symmetry axis, wherein 23
It again include two kinds of 5 one optical waveguides and 18 one optical waveguides in one optical waveguide.Each one optical waveguide in 23 one optical waveguides, respectively with its
Adjacent, in addition to the first row in all quadrants optical router be connected, 5 one optical waveguides optical router adjacent thereto be connected and
Line intersects with vertically symmetrical axis 1, these optical waveguides are etched on the silicon substrate of upper layer.18 one optical waveguides are from close to vertically symmetrical axis
1 outward, successively alternately etches on upper and lower layer silicon substrate.Each one optical waveguide in 7 one optical waveguides respectively with every row head and the tail
Locate optical router to be connected, these optical waveguides are etched on lower layer's silicon substrate.
2 optical routers located from beginning to end in horizontal symmetry axis 2 pass through in 2 one optical waveguides and adjacent quadrants the respectively
The optical router of a line is connected, and 4 one optical waveguides form peripheral loop, and every one optical waveguide in peripheral loop is etched in upper layer of silicon
On substrate.
4 (number that six port optical routers numbers are set as 50, optical waveguide is set in structure of the invention with reference to the accompanying drawing
It is set to the schematic network structure that 100, intellectual property IP kernel number is set as 100), to 100 one optical waveguides in upper layer and lower layer silicon
The etching mode that interlocks on substrate further illustrates.
It include two kinds of 40 one optical waveguides and 8 one optical waveguides along 48 one optical waveguides of vertically symmetrical 1 directional spreding of axis.48
Each one optical waveguide in optical waveguide distinguishes optical router adjacent thereto and is connected, and each one optical waveguide is etched to be served as a contrast in upper layer of silicon
On bottom.Each one optical waveguide in 8 one optical waveguides is connected with optical router at each column head and the tail respectively, and 8 one optical waveguides are from close to perpendicular
Straight symmetry axis 1 rises successively alternately to be etched on upper and lower layer silicon substrate outward.
Including two kinds of 39 one optical waveguides and 9 one optical waveguides along 48 one optical waveguides of 2 directional spreding of horizontal symmetry axis, wherein
It again include two kinds of 7 one optical waveguides and 32 one optical waveguides in 39 one optical waveguides.Each one optical waveguide in 39 one optical waveguides, respectively with
Its optical router adjacent, in addition to the first row in all quadrants is connected, and 7 one optical waveguides optical router adjacent thereto is connected
And line intersects with vertically symmetrical axis 1, these optical waveguides are etched on the silicon substrate of upper layer.32 one optical waveguides are from close to vertically symmetrical
Axis 1 rises outward, successively alternately etches on upper and lower layer silicon substrate.Each one optical waveguide in 9 one optical waveguides is first with every row respectively
Optical router is connected at tail, these optical waveguides are etched on lower layer's silicon substrate.
2 optical routers located from beginning to end in horizontal symmetry axis 2 pass through in 2 one optical waveguides and adjacent quadrants the respectively
The optical router of a line is connected, and 4 one optical waveguides form peripheral loop, and every one optical waveguide in peripheral loop is etched in upper layer of silicon
On substrate.
4N2A intellectual property IP kernel realizes the processing of optical signal in network.
Attached drawing 2 sets 36 for the intellectual property IP kernel number in structure of the invention, realizes the processing of optical signal in network.
Attached drawing 3 sets 64 for the intellectual property IP kernel number in structure of the invention, realizes the processing of optical signal in network.Attached drawing 4 will
Intellectual property IP kernel number in structure of the invention is set as 100, realizes the processing of optical signal in network.
5 pairs of communication means of the invention further illustrate with reference to the accompanying drawing, on the expansible mating plate using bilayer layout
Network structure transmits optical signal, completes the communication between intellectual property IP kernel, and specific steps include the following:
(1) coordinate system is established in expansible network on mating plate:
(1a) with the horizontal symmetry axis in expansible network on mating plate to the right for positive direction, to be positive in vertically symmetrical axial direction
Plane right-angle coordinate is established in direction.
(1b) using adjacent optical path in expansible network on mating plate by the middle heart septum of device as unit length, successively determine each
The coordinate value of optical router, the coordinate value of each intellectual property IP kernel are identical with coupled optical router coordinate value.
(2) transmission path of signal is determined:
It is produced by comparing the abscissa of source intellectual property IP kernel and the abscissa of purpose intellectual property IP kernel, source knowledge respectively
The ordinate of IP kernel and the ordinate of purpose intellectual property IP kernel are weighed, the abscissa and purpose of source intellectual property IP kernel are calculated separately
The abscissa product value of intellectual property IP kernel, the ordinate of the ordinate and purpose intellectual property IP kernel of source intellectual property IP kernel multiply
Product value, coordinate weight judge the relative position of source intellectual property IP kernel Yu purpose intellectual property IP kernel, determine the transmission road of signal
Diameter；
Determine that signal transmission path step further illustrates in 6 pairs of communication means of the present invention with reference to the accompanying drawing.
(2a) is equal with the abscissa of purpose intellectual property IP kernel when the abscissa of source intellectual property IP kernel, and source knowledge produces
When the ordinate of power IP kernel is equal with the ordinate of purpose intellectual property IP kernel, source intellectual property IP kernel and purpose intellectual property IP
Core is connected on same optical router, and optical signaling paths are inside the optical router.
(2b) is when the abscissa of source intellectual property IP kernel and the abscissa of purpose intellectual property IP kernel is unequal and source knowledge
The ordinate of property right IP kernel is equal with the ordinate of purpose intellectual property IP kernel or the abscissa and purpose of source intellectual property IP kernel
The abscissa of intellectual property IP kernel is equal and the ordinate of the ordinate of source intellectual property IP kernel and purpose intellectual property IP kernel not
When equal, the optical router that the optical router and purpose intellectual property IP kernel that source intellectual property IP kernel is connected are connected is located at same
A line or same row, optical signal are transmitted by optical router on the row or the column.
(2c) is unequal when the abscissa of the abscissa and purpose intellectual property IP kernel of source intellectual property IP kernel, and source knowledge
When the ordinate of property right IP kernel and the unequal ordinate of purpose intellectual property IP kernel, calculating weight G=min [| xs-xd|-1,|
xs+xd|+1]+min[|ys-yd|-1,|ys+yd|+1], wherein xsIt is the abscissa of source intellectual property IP kernel, ysIt is source intellectual property
The ordinate of IP kernel, xdIt is the abscissa of purpose intellectual property IP kernel, ydIt is the ordinate of purpose intellectual property IP kernel, really with this
Determine optical signaling paths:
If abscissa reference value xs×xdWith ordinate reference value ys×ydWhile it for positive number or abscissa reference value and indulging
One of coordinate reference value is positive number, another is 0, source intellectual property IP kernel and purpose intellectual property IP kernel be located at it is same as
Limit.Otherwise, source intellectual property IP kernel and purpose intellectual property IP kernel are located at different quadrants.
When source intellectual property IP kernel and purpose intellectual property IP kernel are located at same quadrant, if weight G meets G≤N-1, light letter
Number by X-Y dimension sequence route implementing transmission, wherein N is indicated and six ports in the expansible network on mating plate structure of the double-deck layout
Optical router quantity, optical waveguide quantity and intellectual property IP kernel quantity it is related be more than or equal to 3 positive integer.If weight G is full
Sufficient G > N-1, optical signal first pass through an X-Y and tie up sequence route transmission to closest peripheral loop endpoint, pass via peripheral loop
Its another endpoint is transported to, ties up sequence route transmission to purpose intellectual property IP kernel using an X-Y.
When source intellectual property IP kernel and purpose intellectual property IP kernel are located at different quadrants, if weight G meets G≤N, optical signal
By X-Y dimension sequence route implementing transmission.If weight G meets G > N, optical signal first passes through an X-Y and ties up sequence route transmission to most adjacent
Close peripheral loop endpoint ties up sequence route transmission to purpose using an X-Y via peripheral loop transfer to its another endpoint
Intellectual property IP kernel.
(3) the optical router port in transmission path is configured:
The source (3a) intellectual property IP kernel sends control signal.
(3b) controls signal along identified signal transmission path, transmits to purpose intellectual property IP kernel.
(3c) controls the optical router port in signal configuration transmission path.
(3d) purpose intellectual property IP kernel generates upon the reception of control signals and sends answer signal, and answer signal is along biography
Defeated path returns to source intellectual property IP kernel.
(4) optical signal is sent:
Source intellectual property IP kernel generates after receiving answer signal and sends optical signal, and optical signal is along transmission path to mesh
Intellectual property IP kernel transmission.
(5) optical signal is received:
(5a) purpose intellectual property IP kernel receives optical signal.
(5b) purpose intellectual property IP kernel generates and sends ending signal, and ending signal is transmitted to source intellectual property IP kernel,
Configured optical router port is discharged along transmission path.
Claims (2)
1. a kind of expansible network on mating plate structure based on bilayer layout, including upper layer and lower layer silicon substrate and etching are upper and lower
2N on two layers of silicon substrate2A six port optical routers, 4N2One optical waveguide is connected with optical waveguide by six port optical routers
4N2A intellectual property IP kernel, wherein N is greater than the positive integer equal to 3, it is characterised in that:
The 2N2A six port optical routers are mutually arranged alternately group in mirror-symmetrical six port optical routers of staggered floor by two kinds
At two local ports in each six port optical routers are separately connected two intellectual property IP kernels, remaining four interconnection ends
Mouth is connected with other six port optical routers by waveguide, realizes the reception and forwarding of optical signal in network；
The 4N2One optical waveguide staggeredly etches on upper layer and lower layer silicon substrate, and every one optical waveguide connects two six port optical paths
By device, the transmission of optical signal in network is realized；
The 4N2A intellectual property IP kernel realizes the processing of optical signal in network；
It is as follows that described two kinds are mutually arranged alternately mode in mirror-symmetrical six port optical routers of staggered floor:
Described two kinds mutually have 2N in mirror-symmetrical six port optical routers of staggered floor2It is a, including N2The optical routing of a positive arrangement
Device and N2The optical router of a reversed arrangement；Six ports that each optical router periphery is uniformly arranged；The optical path of forward direction arrangement
By it is more than six ports of device, lower layer's alternating expression be uniformly arranged, below six ports of the optical router of reversed arrangement, upper layer hand over
Wrong formula is uniformly arranged, and is corresponding in turn to staggered floor distribution, the light of two kinds of arrangement modes with six ports of the optical router of forward direction arrangement
The port distribution of router is mutually in that mirror surface is symmetrical；
The 2N22N optical router in a six port optical routers is distributed in horizontal symmetry axis, remaining optical router
It is spacedly distributed in by vertically symmetrical axis and four quadrants of horizontal symmetry axis division with N-1 row, N-1 column respectively；It is horizontal right
2N optical router on axis is claimed to be evenly distributed on vertically symmetrical axis two sides；Each quadrant is placedA optical router,
A behavior the first row farthest apart from horizontal symmetry axis, in the i-th row, wherein i is 1≤i of satisfaction≤(N-1) positive integer, from
It is risen at vertically symmetrical axis, m optical router is set, optical router number m meets m=i, the optical router phase in same row
Together, the optical router between each column is arranged alternately with the optical router of the optical router of forward direction arrangement and reversed arrangement, each quadrant
In optical router axisymmetricly arrange respectively about horizontal symmetry axis and vertically symmetrical axis；
The 4N2Staggeredly etching refers to one optical waveguide on upper layer and lower layer silicon substrate:
Along the 2N of vertically symmetrical axis direction distribution2It include 2N in -2 one optical waveguides2- 2N one optical waveguide and two kinds of 2N-2 one optical waveguide；
2N2Each one optical waveguide in -2N one optical waveguide distinguish optical router adjacent thereto be connected, each one optical waveguide etch in
On the silicon substrate of upper layer；Each one optical waveguide in 2N-2 one optical waveguide is connected with optical router at each column head and the tail respectively, 2N-2 root
Optical waveguide successively alternately etches on upper and lower layer silicon substrate outward from close to vertically symmetrical axis；
Along the 4 (N-1)+2 (N-1) of horizontal symmetry axis directional spreding2Include in optical waveguide (2N-3)+2 (N-1)2One optical waveguide and
Two kinds of 2N-1 one optical waveguide, wherein (2N-3)+2 (N-1)2It again include 2N-3 one optical waveguide and 2 (N-1) in one optical waveguide2Root light wave
Lead two kinds；(2N-3)+2(N-1)2Each one optical waveguide in one optical waveguide, difference is adjacent thereto, removes the first row in all quadrants
Optical router in addition is connected, and 2N-3 one optical waveguide optical router adjacent thereto is connected and line and vertically symmetrical axis phase
It hands over, each one optical waveguide in 2N-3 one optical waveguide is etched on the silicon substrate of upper layer；2(N-1)2One optical waveguide is from close to vertical right
Claim axis to rise successively alternately to etch on upper and lower layer silicon substrate outward；Each one optical waveguide in 2N-1 one optical waveguide is respectively and often
Optical router is connected at row head and the tail, and each one optical waveguide is etched on lower layer's silicon substrate；
Two optical routers located from beginning to end in horizontal symmetry axis pass through the first row in two one optical waveguides and adjacent quadrants respectively
Optical router be connected, four one optical waveguides form peripheral loop, every one optical waveguide in peripheral loop etch in upper layer of silicon lining
On bottom.
2. a kind of based on the double-deck communication means for being laid out expansible network on mating plate structure described in claim 1, specific steps
Include the following:
(1) coordinate system is established in expansible network on mating plate:
(1a) with the horizontal symmetry axis in expansible network on mating plate to the right for positive direction, to be square in vertically symmetrical axial direction
To establishing plane right-angle coordinate；
(1b) using adjacent optical path in expansible network on mating plate by the middle heart septum of device as unit length, successively determine each optical path
By the coordinate value of device, the coordinate value of each intellectual property IP kernel is identical with coupled optical router coordinate value；
(2) transmission path of signal is determined:
(2a) is equal with the abscissa of purpose intellectual property IP kernel when the abscissa of source intellectual property IP kernel, and source intellectual property IP
When the ordinate of core is equal with the ordinate of purpose intellectual property IP kernel, source intellectual property IP kernel and purpose intellectual property IP kernel connect
It connects on same optical router, optical signaling paths are inside the optical router；
(2b) is when the abscissa of source intellectual property IP kernel and the abscissa of purpose intellectual property IP kernel is unequal and source intellectual property
The ordinate of IP kernel is equal with the ordinate of purpose intellectual property IP kernel or the abscissa and purpose knowledge of source intellectual property IP kernel
The abscissa of property right IP kernel is equal and the ordinate of the ordinate and purpose intellectual property IP kernel of source intellectual property IP kernel is unequal
When, the optical router that the optical router and purpose intellectual property IP kernel that source intellectual property IP kernel is connected are connected is located at same a line
Or same row, optical signal are transmitted by optical router on the row or the column；
(2c) is unequal when the abscissa of the abscissa and purpose intellectual property IP kernel of source intellectual property IP kernel, and source intellectual property
When the ordinate of IP kernel and the unequal ordinate of purpose intellectual property IP kernel, calculating weight G=min [| xs-xd|-1,|xs+xd
|+1]+min[|ys-yd|-1,|ys+yd|+1], wherein xsIt is the abscissa of source intellectual property IP kernel, ysIt is source intellectual property IP kernel
Ordinate, xdIt is the abscissa of purpose intellectual property IP kernel, ydIt is the ordinate of purpose intellectual property IP kernel, light is determined with this
Signal transmission path:
If abscissa reference value xs×xdWith ordinate reference value ys×ydIt is simultaneously positive number or abscissa reference value and ordinate ginseng
Examining value, one of them is positive number, another is 0, and source intellectual property IP kernel and purpose intellectual property IP kernel are located at same quadrant；It is no
Then, source intellectual property IP kernel and purpose intellectual property IP kernel are located at different quadrants；
When source intellectual property IP kernel and purpose intellectual property IP kernel are located at same quadrant, if weight G meets G≤N-1, optical signal warp
X-Y dimension sequence route implementing transmission is crossed, if weight G meets G > N-1, optical signal first passes through an X-Y and ties up sequence route transmission to most adjacent
Close peripheral loop endpoint ties up sequence route transmission to purpose using an X-Y via peripheral loop transfer to its another endpoint
Intellectual property IP kernel；
When source intellectual property IP kernel and purpose intellectual property IP kernel are located at different quadrants, if weight G meets G≤N, optical signal passes through
X-Y ties up the transmission of sequence route implementing；If weight G meets G > N, optical signal first passes through an X-Y and ties up sequence route transmission to closest
Peripheral loop endpoint ties up sequence route transmission to purpose knowledge using an X-Y via peripheral loop transfer to its another endpoint
Property right IP kernel；
(3) the optical router port in transmission path is configured:
The source (3a) intellectual property IP kernel sends control signal；
(3b) controls signal along identified signal transmission path, transmits to purpose intellectual property IP kernel；
(3c) controls the optical router port in signal configuration transmission path；
(3d) purpose intellectual property IP kernel generates upon the reception of control signals and sends answer signal, and answer signal is along transmission road
Diameter returns to source intellectual property IP kernel；
(4) optical signal is sent:
Source intellectual property IP kernel generates after receiving answer signal and sends optical signal, and optical signal is known along transmission path to purpose
Know the transmission of property right IP kernel；
(5) optical signal is received:
(5a) purpose intellectual property IP kernel receives optical signal；
(5b) purpose intellectual property IP kernel generates and sends ending signal, and ending signal is transmitted to source intellectual property IP kernel, along biography
Defeated path discharges configured optical router port.
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| CN109271338B (en) * | 2018-08-14 | 2021-07-20 | 西安电子科技大学 | Reconfigurable on-chip optical interconnection structure and communication method for storage system |
| CN109525909B (en) * | 2018-12-05 | 2021-09-14 | 西安邮电大学 | Passive optical interconnection network structure |
| CN110784781B (en) * | 2019-10-28 | 2021-06-08 | 西安电子科技大学 | Waveguide layout optimization method of optical switching structure supporting multicast/broadcast |
| CN116348886A (en) | 2020-08-06 | 2023-06-27 | 天体人工智能公司 | Coherent photon computing architecture |
| CN114384628B (en) * | 2020-10-04 | 2022-11-11 | 上海交通大学 | Optical waveguide arrangement method |
| CN112817891B (en) * | 2021-02-04 | 2022-10-18 | 联合微电子中心有限责任公司 | Programmable optical chip and terminal |
| US11835777B2 (en) | 2022-03-18 | 2023-12-05 | Celestial Ai Inc. | Optical multi-die interconnect bridge (OMIB) |
| CN116016384B (en) * | 2022-12-23 | 2024-04-16 | 西安电子科技大学 | Scalable network-on-chip topology structure based on ring layout and routing method thereof |
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| CN102202005A (en) * | 2011-07-12 | 2011-09-28 | 西安电子科技大学 | Reconfigurable network on mating plate and configuration method |
| CN105451103A (en) * | 2015-11-02 | 2016-03-30 | 西安电子科技大学 | Wavelength-allocation-based three-dimensional optical on-chip network router communication system and method |
| CN105959239A (en) * | 2016-04-22 | 2016-09-21 | 西安电子科技大学 | Communication method of 3D optical on-chip network |
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| CN102202005A (en) * | 2011-07-12 | 2011-09-28 | 西安电子科技大学 | Reconfigurable network on mating plate and configuration method |
| CN105451103A (en) * | 2015-11-02 | 2016-03-30 | 西安电子科技大学 | Wavelength-allocation-based three-dimensional optical on-chip network router communication system and method |
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