JPH01169551A - Extended storage transfer control system - Google Patents

Abstract

PURPOSE:To improve the throughput of a system by simultaneously receiving a data transfer request between a peripheral device and an extended storage device and a data transfer request between a main storage device and the extended storage device. CONSTITUTION:Since data transfer between the extended storage device 7 and the computing main storage device 6 is controlled by an instruction in a rapid operation processor 4, the rapid execution processing of a vector instruction or a scalar instruction to a user program being executed by the processor 4 is interrupted while data transfer is executed between the devices 7 and 6. In the case of transferring data from a magnetic disk device 12 to the device 7, an extended data transfer control device 9 is started so as to transfer data from the device 12 to the device 7 under control of an I/O control device 2. The device 9 controls data transfer executed between the device 7 and the device 12 through the device 2. Thereby, data transfer between the device 12 and the device 7 can be attained without passing the device 4.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a data transfer control method with an extended storage device.

[Conventional technology]

As Sue Computers carry out large-scale scientific and technical calculations, the scale of the problems they are dealing with also increases.

It is difficult to store all necessary data in the main memory. As a result, much data must be stored in secondary storage devices such as magnetic disk drives.

Calculations proceed while inputting and outputting data between the magnetic disk device and the main storage device as necessary. Therefore, the input/output time between the secondary storage device and the main storage device is 7
This will significantly improve the performance of the entire program. In supercomputers.

An expanded storage device is provided to speed up input/output.

Is the extended storage device multiple virtual disks? managed as a file and as a fast access file.

Conventionally, this type of information processing device such as a supercomputer has a system control device, an input/output control device connected to it, a central processing unit, a high-speed arithmetic processing device, and a first main storage device (control main storage device). .

It is composed of a second main storage device (main storage device for calculations) and an extended storage device.

Is the central processing unit a suit? - Has a visor function.

Input/output control, user program control i! Ira.

The link is realized. The first main storage device stores control programs and control data for controlling the central processing unit. In the second main memory.

A user program load module and calculation data are stored, and the high-speed calculation processing device executes the user program. I/O controller.

It controls data transfer between a peripheral device such as a magnetic disk device and the first main storage device.

The input/output control unit, central processing unit, and high-speed arithmetic processing unit can each operate independently to increase the throughput of the system. Data transfer between the extended storage device and the second main storage device is controlled by instructions on the high-speed arithmetic processing unit.

Conventionally, in this type of information processing device, data transfer to the extended storage device was always performed by instructions on the high-speed arithmetic processing device via the second main storage device. Therefore, when staging a magnetic disk device, swapping out the contents of an expanded storage device to a magnetic disk device, or preloading a load module to be executed on a high-speed processing unit into an expanded storage device, you must use a high-speed Intervention of a processing unit was required.

[Problem that the invention seeks to solve]

In the above-mentioned conventional information processing apparatus, for example, in the case where data is transferred from a magnetic disk device to an expanded storage device, the data is transferred under the control of the central processing unit.

Data is transferred from the magnetic disk device to the first main storage device via the input/output control device. Next, data is transferred from the first main memory device to the second main memory device υ under the control of the central processing unit. lastly.

Under the control of the high-speed arithmetic processing unit, data is transferred from the second main storage device to the extended storage device, and the desired data transfer is completed.

Thus, for data transfer with extended storage.

This necessarily requires the intervention of a high-speed processing unit;
This has the disadvantage that high-speed arithmetic processing of vector instructions and scalar instructions of a user program being executed on a high-speed arithmetic processing unit is interrupted, resulting in a decrease in system throughput.

[Means for solving problems]

The extended storage transfer control method according to the present invention is a main storage device in which user programs and data are stored.

a high-speed arithmetic processing unit that executes user programs stored in the main memory at high speed; an input/output control unit that controls data transfer between the two peripheral devices; and an expansion storage device for increasing input/output speed; In an information processing device having a system control device connected to the device, a data transfer request between the peripheral device and the expansion storage device from the input/output control device, and a data transfer request from the high-speed arithmetic processing device to the main storage device. It has data transfer control means that can simultaneously accept data transfer requests to and from the expanded storage device and controls each data transfer.

[Effect]

The data transfer control between the peripheral device and the expanded storage device by the input/output control device can be executed and controlled independently of the data transfer operation between the high-speed arithmetic processing device and the main storage device.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

An information processing device according to an embodiment of the present invention includes a system control device 1, an input/output control device 2 connected to the system control device 1, a central processing device 3 that controls the entire system, and a user program that mainly performs vector calculations at ultra-high speed. A high-speed arithmetic processing unit 4 to be executed on a computer, vector data of a user program that mainly performs vector calculations, and a user program to be executed by the high-speed arithmetic processing unit 4 are stored therein. A large-capacity, high-speed calculation main memory 6 for the high-speed arithmetic unit 4, a control main memory 5 in which most of the operating system functions operate in the main memory for the central processing unit 3, and a high-speed, large-capacity extended storage. It has a device 7 and a magnetic disk device 12.

The system control device 1 includes a control data transfer control device 11 that controls data transfer between the central processing unit 3 and the input/output control device 2 and the control main storage device 5 and the calculation main storage device 6;
From the high-speed arithmetic processing device 4.

Data is sent from the high-speed arithmetic processing device 4 via the arithmetic data transfer control device 8, which controls data transfer to the control main storage device 5 and the arithmetic main storage device 6. A data transfer request to the control main storage device 5 and a controller that controls inter-processor communication to the central processing unit 3 are sent from the central processing unit 3 and the input/output control device 2 via the control data transfer control device 11. Main memory device for calculation 6
A control processor interface control device 10 that controls data transfer requests to and inter-processor communication to the high-speed arithmetic processing device 4, a data transfer request between the magnetic disk device 12 and the expansion storage device 7 from the input/output control device d2, An extended storage data transfer control device 9 that can simultaneously accept data transfer requests from the high-speed processing unit 4 to the main storage device 6 for calculations and the extended storage device 7, and can control each data transfer. and has.

Next, the operation of the present invention will be explained.

The central processing unit 3 performs job input and output editing processing, file processing, resource management such as the main storage devices 5 and 6, the input/output control device 2, and the magnetic disk device 12, job scheduling, user program controller, Perform control program functions such as linking.

The high-speed arithmetic processing unit 4 has a function of executing vector instructions and scalar instructions of a user program at high speed, and employs a multiple parallel pipeline system in order to execute vector calculations at high speed in particular.

In order to continuously supply data to the arithmetic/guidance line, it is necessary to increase the throughput between the high-speed arithmetic processing unit 4 and the main memory 6 for arithmetic operations. Book writing A?
It is equipped with a Therefore, 964 per machine cycle
Byte data transfer is possible.

Data transfer between the extended storage device 7 and the main storage device 6 for calculations is controlled by instructions on the high-speed calculation processing device 4.
While the transfer is being executed between the extended storage device 7 and the main storage device 6 for calculations, the high-speed execution processing of vector instructions and scalar instructions of the user program being executed on the high-speed calculation processing device 4 is interrupted. It ends up.

In the present invention, for example, when data is transferred from the magnetic disk device 12 to the expansion storage device 7.

Under the control of the input/output control device 2, the magnetic disk device 12
The extended storage data transfer control device 9 is activated to transfer data from the extended storage device 7 to the expanded storage device 7.

The extended storage data transfer control device 9 controls data transfer performed between the extended storage device 7 and the magnetic disk device 12 via the input/output control device 2.

Therefore, data transfer between the magnetic disk device 12 and the expansion storage device 7 is possible without intervention of the high-speed arithmetic processing device 4. Therefore, high-speed execution processing of vector instructions and scalar instructions of the user program executed on the high-speed arithmetic processing unit 4 and data transfer with the arithmetic main storage device 6 by the arithmetic data transfer control device 8 can be performed without interruption. can.

This avoids reducing system throughput.

The extended storage data transfer control device 9 can also control the transfer between the extended storage device 7 and the main storage device 6 for calculations based on instructions on the high-speed processing device 4, and the main storage device 6 for calculations This is used as a temporary file in cases where the extended storage device 7 is used to perform high-speed input/output.

A high-speed arithmetic processing device 4, a main storage device 6 for calculations from the input/output control device 2, and an extended storage device 7, respectively. The contention of data transfer requests between the magnetic disk device 12 and the expanded storage device 7 is controlled by the expanded storage data transfer control device 9, which can accept and control each data transfer request at the same time.

Therefore, when staging a magnetic disk device, when swapping out the contents of an expanded storage device to a magnetic disk device, or when preloading a load module to be executed on a high-speed processing unit into an expanded storage device, high-speed processing It can be controlled without intervention of a processing device.

〔Effect of the invention〕

As explained above, the present invention handles data transfer requests from an input/output control unit between a peripheral device and an expanded storage device, and data transfer requests from a high-speed arithmetic processing unit between a main storage device and an expanded storage device. By providing a data transfer means that can simultaneously accept data and control each data transfer, the data transfer control between the peripheral device and the extended storage device by the input/output control unit can be controlled by the high-speed arithmetic processing unit and the data transfer. By making it possible to control the data transfer operations of the main storage device and the high-speed processing unit independently, data transfer between the extended storage device and the peripheral devices can be executed and controlled without the intervention of the high-speed processing unit, and the system can be improved. This has the effect of increasing throughput.

Below is the joint

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. 1... System control device, 2... Input/output control device. 3... Central processing unit, 4... High-speed arithmetic processing unit, 5
... Main memory for control, 6... Main memory for calculation,
7... Expansion storage device, 8... Data transfer control device for calculation. 9... Extended storage data transfer control device, 10... Control processor interface control device, 11... Control data transfer control device, 12... Magnetic disk device.

Claims (1)

[Claims] 1. A main storage device that stores user programs and data, a high-speed arithmetic processing device that executes the user programs stored in the main storage device at high speed, and an input/output control device that controls data transfer of peripheral devices. , an information processing device having an expanded storage device for speeding up input/output and a system control device connected to each of these devices, data transfer between the peripheral device and the expanded storage device from the input/output control device; and a data transfer request from the high-speed arithmetic processing device between the main storage device and the expansion storage device, and includes data transfer control means for controlling each data transfer. Extended storage transfer control method.