JPH09245006A - Execution device and execution method for job in tightly coupled multiprocessor system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the throughput of a job in a tightly coupled multiprocessor system. SOLUTION: A group input means 2 inputs the number of a processor group for executing the job specified at the time of starting the job and a job information registration means 3 stores the processor group number of the job inputted by the group input means 2 in a job information storage area 1. Then, a job information input means 4 refers to the job information storage area 1 at the time of activating a task and inputs the processor group number of the job including the task. Further, a processor group setting means 5 specifies the number of the processor group inputted by the job information input means 4 and activates the task and a job information elimination means 6 eliminates the processor group information of the job to be ended from the job information storage area 1 at the time of ending the job.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a job execution apparatus and execution method in a tightly coupled multiprocessor system in which a plurality of processors are tightly coupled.

[0001]

In Japanese Patent Laid-Open No. 3-164962, a main memory device is divided into a plurality of main memory subsystems by a parallel execution mode, each processor is divided into a plurality of groups, and each main memory subsystem and each It describes a method for reducing the load on the memory bus during parallel processing by preparing a memory bus that connects groups of processors.

[0002]

According to this conventional technique, when processors of different groups frequently write out the same data, not only the data of the main memory subsystem of its own group but also the main memory subsystems of other groups. It is necessary to update the system data, which may not always reduce the load on the memory bus.

An object of the present invention is to improve job throughput in a tightly coupled multiprocessor system.

Another object of the present invention is to allow a specific job to be given priority to the CPU to be executed.

[0005]

According to a first aspect of the present invention, there is provided a job execution device in a tightly coupled multiprocessor system, comprising:
Multiple processors share main memory and are tightly coupled,
In a tightly coupled multiprocessor system including a plurality of processor groups including at least one processor and a second cache for accumulating a main memory image read from the main memory device for each processor group, activation of tasks constituting a job At the same time, it comprises processor group setting means for activating the task by designating the processor group designated in advance in the job including the task.

A job execution device in a second tightly coupled multiprocessor system according to the present invention includes a plurality of processor groups, each of which is tightly coupled with a plurality of processors sharing a main memory, and which includes at least one processor group. In a tightly coupled multiprocessor system including a second cache for accumulating a main memory image read from the main memory for each processor group, when the job is started, the job number is input, and the job group number is input to the job. Is specified, and if so, job information registration means for storing the number of the processor group in association with the number of the job, and at the time of starting a task constituting the job. ,
The processor group setting means inputs the number of the job including the task, specifies the number of the processor group corresponding to the job number, and activates the task.

A job execution device in a third tightly coupled multiprocessor system according to the present invention comprises a plurality of processor groups, each of which is tightly coupled with a plurality of processors sharing a main memory, and which includes at least one processor group. In a tightly coupled multiprocessor system including a second cache for accumulating a main memory image read from the main memory device for each processor group, for each job executed by the tightly coupled multiprocessor system, the job is executed in which processor group Processor group number storage area that stores information that indicates whether to execute
At the time of starting the job, it is determined whether or not the number of the processor group is specified in the job, and if specified, a group input means for inputting the number of the processor group, and at the time of starting the job, Job information registration means for inputting the job number and storing the processor group number input by the group input means in the processor group number storage area corresponding to the job number; The job information input means for inputting the number of the job including the task at the time of startup and the number of the processor group from the processor group number storage area corresponding to the job number, and the job information input means The processor group that starts the task by specifying the input processor group number It is composed of a-loop setting means.

According to a fourth aspect of the present invention, there is provided a job execution apparatus in a tightly coupled multiprocessor system, wherein a plurality of processors are tightly coupled to each other by sharing a main memory, and a plurality of processor groups including at least one of the processors are provided. In a tightly coupled multiprocessor system including a second cache for accumulating a main memory image read from the main memory device for each processor group, for every job executed in the tightly coupled multiprocessor system, all the jobs that make up the job Job information including a single flag that indicates whether to execute a task in the same processor group on or off, and a processor group number storage area that stores information indicating in which processor group the job is executed The storage area and the It is determined whether or not the processor group number is specified in the job group, and if so, the group input means for inputting the processor group number and the job number at the time of starting the job. Input, turn on the single flag corresponding to the job number in the job information storage area, and make the processor group number input by the group input means correspond to the job number in the job information storage area. Job information registration means to be stored in the processor group number storage area, and at the time of starting the tasks constituting the job,
When the number of the job including the task is input, it is determined whether the single flag corresponding to the job number in the job information storage area is on. If it is on,
Job information input means for inputting the processor group number from the processor group number storage area corresponding to the job number in the job information storage area, and the processor group number input by the job information input means Processor group setting means for activating the task, and job information for inputting the job number at the end of the job and turning off the single flag corresponding to the job number in the job information storage area And a deleting means.

According to a fifth aspect of the present invention, there is provided a job execution device in a tightly coupled multiprocessor system, wherein the task is the processor group setting in the job execution device in any one of the first to fourth tightly coupled multiprocessor systems. The means is executed by one of the processors included in the specified processor group, and stores the main memory image read from the main memory device in the second cache connected to the processor group.

According to a first aspect of the present invention, there is provided a method for executing a job in a tightly coupled multiprocessor system, wherein a plurality of processors are tightly coupled to each other by sharing a main storage device, and a plurality of processor groups including at least one of the processors are provided. In a tightly coupled multiprocessor system including a second cache for accumulating a main memory image read from the main memory for each processor group, at the time of starting a task constituting a job, the task previously specified in the job including the task The task is executed by any of the processors included in the processor group.

A second method of executing a job in a tightly coupled multiprocessor system according to the present invention is the method of executing a job in a first tightly coupled multiprocessor system, in which the task is connected to the designated processor group. The main memory image read from the main memory is stored in the second cache.

According to a third aspect of the present invention, there is provided a job execution method in a tightly coupled multiprocessor system, wherein a plurality of processors are tightly coupled by sharing a main storage device, and a plurality of processor groups including at least one of the processors, In a tightly coupled multiprocessor system including a second cache for accumulating a main memory image read from the main memory for each processor group, when the job is started, the job number is input, and the job group number is input to the job. Is specified, and if so, the number of the processor group is stored in association with the number of the job, and when the task configuring the job is started, the task is included. The number of the job to be input, and the processor group corresponding to the number of the job And designates the number, characterized in that activating the task.

A fourth method of executing a job in a tightly coupled multiprocessor system according to the present invention is the method of executing a job in a third tightly coupled multiprocessor system, in which the task is included in the designated processor group. The main memory image read from the main memory device is stored in the second cache which is executed by the processor and is connected to the processor group.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

Referring to FIG. 1, a job execution device in a tightly coupled multiprocessor system according to an embodiment of the present invention stores all the tasks constituting the job for each job in the job information storage area 1. Job information including a single flag 7 that indicates whether to execute in the same processor group and a processor group number storage area 8 that stores information about which processor group to execute when the single flag 7 is on for each job The storage area 1, the group input means 2 for inputting the number of the processor group for executing the job designated at the start of the job, and the job information storage area 1 for storing the processor group number of the job input by the group input means 2. The job information registration means 3 and the job information storage area 1 when all tasks are started Reference, the job information input means 4 for inputting the processor group number of the job, including the tasks
And a processor group setting unit 5 for activating a task by designating the processor group number input by the job information input unit 4, and deleting the processor group information of the job to be terminated from the job information storage area 1 at the end of the job. And job information deleting means 6.

A job execution device in a tightly coupled multiprocessor system according to an embodiment of the present invention will be described below with reference to FIGS.

When executing a job, the user specifies the number of the processor group that executes the job. This processor group is a group of processors that form a tightly coupled multiprocessor system.

At the start of job execution, the group input means 2
Determines whether a processor group number is designated for the job (step 21), and if so, inputs the processor group number (step 22), and the job information registration means 3 Pass control to.

The job information registration means 3 inputs the number of the job to be executed (step 31) and turns on the single flag 7 corresponding to the job number (step 3).
2) Further, the processor group number input by the group input means 2 is stored in the processor group number storage area 8 corresponding to the job number (step 33).

At the time of activating a task constituting a job, the job information input means 4 inputs the number of the job including the task to be activated (step 41), and whether the single flag 7 corresponding to the number of the job is on or not. It is determined (step 42), and if it is on, the processor group number is input from the processor group number storage area 8 corresponding to the job number (step 43), and control is passed to the processor group setting means 5. .

The processor group setting means 5 activates a task by designating the processor group number input by the job information input means 4.

At the end of the job, the job information deleting means 6
Enter the number of the job to end (step 51),
The single flag 7 corresponding to the job number is turned off (step 52).

A job execution device in a tightly coupled multiprocessor system according to an embodiment of the present invention will be described below in more detail with reference to FIGS.

Referring to FIG. 6, the job execution device in the tightly coupled multiprocessor system according to the embodiment of the present invention includes a processor group 65 including a processor 61 and a processor 62, a processor group 63 and a processor 64. Processor group 66 with number 1 including
A second cache 67 accessed by the processor group 65, a second cache 68 accessed by the processor group 66, a bus 69, a main memory 70, single flags 71 to 7n corresponding to job numbers 1 to n, and job numbers. The job information storage area 80 includes processor group number storage areas 81 to 8n corresponding to the numbers 1 to n.

The user specifies the processor group number "1" for executing the job when the job number "3" is executed.

At the start of execution of the job with the job number "3", the group input means 2 determines whether or not a processor group number is specified in the job (step 21), and the specified processor group The number "1" is input (step 22).

The job information registration means 3 inputs the job number "3" (step 31), and the job number "3".
The single flag 73 corresponding to is turned on (step 3
2) Further, the processor group number "1" is stored in the processor group number storage area 83 corresponding to the job number "3" (step 33).

At the time of activating a task constituting a job, the job information input means 4 inputs the job number "3" including the task to be activated (step 41), and the single flag corresponding to the job number "3". It is determined that 73 is on (step 42), and the processor group number "1" is input from the processor group number storage area 83 corresponding to the job number "3" (step 4).
3).

The processor group setting means 5 designates the processor group number "1" and activates the task.

At this time, the task which constitutes the job of the activated job number "3" is executed by one of the processors 63 and 64, and the memory accessed by the task is
It is placed in the main memory 70 or the second cache 68. The second cache 67 does not have a memory accessed by the tasks constituting the job of job number “3”.

When the job with the job number "3" is completed, the job information deleting means 6 inputs the job number "3" to be completed (step 51) and sets the single flag 73 corresponding to the job number "3". Turn off (step 52).

As described above, the processing of the job execution device in the tightly coupled multiprocessor system according to the embodiment of the present invention is completed.

The job execution device in the tightly coupled multiprocessor system which is an embodiment of the present invention has the effect that the tasks constituting the job can be executed by the same processor group.

Further, there is an effect that the memories accessed by the tasks constituting the job can be placed in the same second cache.

[0035]

As described above, the job execution device in the tightly coupled multiprocessor system of the present invention is
Since the tasks constituting a job can be executed by the same processor group, there is an effect that a specific job can be given priority to the CPU to be executed.

Further, since the memory accessed by the tasks constituting the job can be placed in the same second cache, the cache hit rate is improved and the throughput of the job is improved.

[Brief description of drawings]

FIG. 1 is a block diagram according to an embodiment of the present invention.

FIG. 2 is a group input means 2 according to an embodiment of the present invention.
6 is a flowchart showing the processing of FIG.

FIG. 3 is a flowchart showing the processing of the job information registration means 3 in the embodiment of the present invention.

FIG. 4 is a flowchart showing the processing of the job information input means 4 in the embodiment of the present invention.

FIG. 5 is a flowchart showing the processing of the job information deleting means 6 in the embodiment of the present invention.

FIG. 6 is a detailed block diagram according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 job information storage area 2 group input means 3 job information registration means 4 job information input means 5 processor group setting means 6 job information deletion means 7 single flag 8 processor group number storage area 61-64 processors 65-66 processor groups 67-68 Second cache 69 Bus 70 Main memory 71-7n Single flag 81-8n Processor group number storage area @

Claims (9)

[Claims] 1. A plurality of processors are tightly coupled by sharing a main memory, a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group. In a tightly coupled multiprocessor system including a second cache, a processor group setting unit that, when starting a task that constitutes a job, specifies the processor group previously specified in the job including the task and starts the task. A job execution apparatus in a tightly coupled multiprocessor system characterized by comprising. 2. A plurality of processors are tightly coupled by sharing a main memory, and a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group are accumulated. In a tightly coupled multiprocessor system including a second cache, when a job is started, the job number is input, it is determined whether or not the processor group number is specified in the job, and if it is specified. Is a job information registration unit that stores the number of the processor group in association with the number of the job, and inputs the number of the job including the task at the time of starting the tasks that form the job. Number of the processor group corresponding to the number of Execution unit of a job in a tightly coupled multiprocessor system characterized in that a-loop setting means. 3. A plurality of processors are tightly coupled by sharing a main memory, a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group. In a tightly coupled multiprocessor system including a second cache, a processor group number storage area for storing information indicating which processor group executes the job for each job executed in the tightly coupled multiprocessor system. When a job is started, it is determined whether or not the processor group number is specified in the job, and if it is specified, a group input means for inputting the processor group number, and when the job is started , Input the job number, and the group input means Job information registration means for storing the processor group number in the processor group number storage area corresponding to the job number, and inputting the job number including the task when the tasks constituting the job are activated. Then, the task information input means for inputting the processor group number from the processor group number storage area corresponding to the job number, and the processor group number input by the job information input means are designated to execute the task. A job execution device in a tightly coupled multiprocessor system, comprising: a processor group setting means for starting. 4. A plurality of processors are tightly coupled by sharing a main memory, and a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group are accumulated. In a tightly-coupled multiprocessor system including a second cache, for each job executed in the tightly-coupled multiprocessor system, whether or not to execute all tasks constituting the job in the same processor group is turned on or A job information storage area that includes a single flag that is turned off and a processor group number storage area that stores information that indicates in which processor group the job is to be executed; Determine whether a number is specified and Group input means for inputting the number of the processor group, and the single flag corresponding to the number of the job in the job information storage area when the job is started. And a job information registration means for storing the number of the processor group input by the group input means in the processor group number storage area corresponding to the job number in the job information storage area, and the job configuration. When the task is started, the number of the job including the task is input, and it is determined whether the single flag corresponding to the job number in the job information storage area is on. If it is on, From the processor group number storage area corresponding to the number of the job in the job information storage area Job information input means for inputting a group number, processor group setting means for activating the task by designating the processor group number input by the job information input means, and the job number at the end of the job And a job information deleting unit for turning off the single flag corresponding to the number of the job in the job information storage area, and a job execution apparatus in a tightly coupled multiprocessor system. 5. The task is executed by any one of the processors included in the processor group designated by the processor group setting means, and is read from the main storage device to the second cache connected to the processor group. A job execution device in a tightly coupled multiprocessor system according to any one of claims 1 to 4, wherein the main memory image is stored. 6. A plurality of processors are tightly coupled by sharing a main memory, a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group. In a tightly coupled multiprocessor system including a second cache, when a task that constitutes a job is activated, the task is executed by any of the processors included in the processor group designated in advance in the job that includes the task. A method for executing a job in a tightly coupled multiprocessor system characterized by the above. 7. The tightly-coupled multi according to claim 6, wherein the task stores the main memory image read from the main memory in the second cache connected to the designated processor group. A method of executing a job in a processor system. 8. A plurality of processors are tightly coupled by sharing a main memory, and a plurality of processor groups including at least one of the processors, and a main memory image read from the main memory for each processor group are accumulated. In a tightly coupled multiprocessor system including a second cache, when a job is started, the job number is input, it is determined whether or not the processor group number is specified in the job, and if it is specified. The number of the processor group is stored in association with the job number, and when the task constituting the job is started, the number of the job including the task is input to correspond to the job number. Tightly coupled multiprocessor characterized in that the task is started by designating the number of the processor group. How to perform the job in support system. 9. The task is executed by any one of the processors included in the designated processor group, and a main memory image read from the main memory device is loaded into the second cache connected to the processor group. 9. The method of executing a job in a tightly coupled multiprocessor system according to claim 8, wherein the job is accumulated.