JPS60111546A - Communication system between processors - Google Patents

Abstract

PURPOSE:To improve the operating rate of the entire system by arranging one data driver per processing unit to reduce remarkably the delay in data propagation. CONSTITUTION:Six drivers (f) on a data passing path are disconnected at normal operation to make a driver (g) in a processing device C effective. When the processor C is on the midway path of the communication between remote processors, the device C disconnects the driver (g) and makes one of the 6 drivers (f) effective to pass the data without intervention of the processor C afterward. In making two independent buses as right/left to upper/lower buses and lower/left to upper/right buses effective, the 2-channel data are transmitted at the same time.

Description

DETAILED DESCRIPTION OF THE INVENTION (11) Technical Field of the Invention The present invention relates to an inter-processor communication system, and in particular, to communication between a plurality of processors connected in a grid by effectively using a data passing bus provided in an intermediate processor. It relates to a method for quickly transferring data.

(2) Prior Art and Problems Conventionally, there is a method of arranging a large number of processor units and performing parallel operations to improve calculation speed.

However, in this conventional method, if each processor unit is required to operate completely independently, the applicable problems are extremely limited, so it is necessary to connect different processor units in some way to exchange information. It can be said that it is essential to do so. There are two basic types of coupling that have been considered so far. These are: ■ A method in which all processor units have a common path. ■ A method in which processor units are arranged in a matrix (lattice) and each processor unit has a communication path that directly transfers data with its neighboring processor units. It is. In reality, systems that combine these methods or make various modifications and improvements are being considered. (2) has the disadvantage that the number of units is limited to about 10 because access is concentrated on the common path, and (2) requires passing through many units on the way when communicating with distant units. However, the disadvantage is that the communication speed is slow.

(3) Purpose of the Invention In view of the above-mentioned drawbacks, the present invention provides six paths for data passage in each processor unit so that data can pass when communicating between distant processor units. The purpose of this is to improve the 4-data transfer speed by using the data passing path in the intermediate processor units without affecting the processing of the intermediate processor units.

(4) Structure of the Invention The object of the present invention is to provide a data communication system consisting of a plurality of processor units connected in a grid, in which when data is transferred between distant processor units, a The present invention is characterized in that it includes a book data passing path, and means for transferring data in any direction by combining one or two of the data passing paths.

FIG. 1 is a diagram illustrating an overall connection form showing an embodiment of the present invention.

In the figure, 1 is a communication path, and 11 to nn are processor units.

FIG. 2 is a diagram showing details of a processor unit showing an embodiment of the present invention.

In the figure, C is a conventional processor unit.

d is a processor unit of the present invention; e is a data passing path (all combinations of two selected from top, bottom, left, and right are prepared;
There are 6 pieces in total. ), f is a data passing path driver, and g is a data driver (conventional).Now, the processor unit C controls the opening/closing of a total of 10 drivers, data driver g, and data passing path driver f, and the direction of data transfer. control.

In normal operation, the data passing path driver f
All six are disconnected, and the driver g in the processor unit C is enabled. In this case, only the processor unit C will operate. Next, regarding the data passing mode, if the processor unit C becomes an intermediate route for communication between distant processor units, a request is first sent from the outside to the processor unit C to set it to the data passing mode. Upon receiving the request, the processor unit C disconnects the driver g and enables one of the six drivers of the data passing path driver f.
data can pass through without intervention.

Furthermore, if two independent paths are enabled, such as left-right for top-bottom and bottom-left for top-right, data can be passed through two channels at the same time.

Alternatively, by enabling multiple paths from one direction, such as top-bottom, top-right, top-left, data can pass from one direction to multiple directions at the same time. Furthermore, by enabling the driver g in the processor unit C in the direction in which passing data comes in and importing it into the processor unit C, it is also possible to closely monitor the data passing through the data passing path e. .

(6) As described in detail, according to the present invention, the conventional method of sequentially transferring data by linking reads and writes by processor units in the middle can be reduced to ■ arranging one data driver per processor unit. Therefore, delays in data propagation are dramatically reduced.

Since other processing can be performed independently, the operating rate of the entire system also improves.

In addition, various combinations of passing directions can be selected,
Passage data can also be monitored, allowing for flexible usage.

[Brief explanation of the drawing]

FIG. 1 is a diagram illustrating an overall connection form showing an embodiment of the present invention. FIG. 2 is a diagram showing details of a processor unit showing an embodiment of the present invention. Explanation of symbols: C is a conventional processor unit. d is a processor unit of the present invention, e is a data communication application path (all combinations of two selected from top, bottom, left and right are prepared,
There are 6 pieces in total. ), f is a data passing path driver, and g is a data driver. 1.・Kokai IK

Claims (1)

[Claims] In a data communication system consisting of a plurality of processor units connected in a grid, when data is transferred between distant processor units, six data passing paths are provided in the processor units through which the data is transmitted. An inter-processor communication system characterized by providing means for transferring data in any direction using one or a combination of two transit buses.