Method and apparatus for supporting software tuning for multi-core processor, and computer product

1 . A tuning support apparatus that supports software tuning for a multi-core processor having a plurality of cores, comprising:

an acquiring unit configured to acquire granularity information on granularity assigned to each core; and

an output unit configured to output the granularity information.

2 . The tuning support apparatus according to claim 1 , further comprising a registering unit configured to register performance information indicative of a load set in advance depending on a type of function included in a task, wherein

the output unit is configured to further output the performance information.

3 . The tuning support apparatus according to claim 1 , wherein each of the functions is related to a process executed across multiple tasks or multiple cores.

4 . A tuning support apparatus that supports software tuning for a multi-core processor having a plurality of cores, comprising:

an acquiring unit configured to acquire granularity information on granularity assigned to each core;

a creating unit configured to calculate a frequency of appearance for each task or for each function included in a task, based on the granularity information, and to create structure information indicative of the frequency; and

an output unit configured to output at least the structure information among the structure information and the granularity information.

5 . The tuning support apparatus according to claim 4 , further comprising a registering unit configured to register performance information indicative of a load set in advance depending on a type of function, wherein

the output unit is configured to further output the performance information.

6 . The tuning support apparatus according to claim 4 , wherein each of the functions is related to a process executed across multiple tasks or multiple cores.

7 . A tuning support apparatus that supports software tuning for a multi-core processor having a plurality of cores, comprising:

an acquiring unit configured to acquire granularity information on granularity assigned to each core;

a creating unit configured to create dependence information on dependence on other tasks or functions for each task or for each function included in a task, based on the granularity information; and

an output unit configured to output at least the dependence information among the dependence information and the granularity information.

8 . The tuning support apparatus according to claim 7 , further comprising a registering unit configured to register performance information indicative of a load set in advance depending on a type of function, wherein

the output unit is configured to further output the performance information.

9 . The tuning support apparatus according to claim 7 , wherein each of the functions is related to a process executed across multiple tasks or multiple cores.

10 . A computer-readable recording medium that stores therein a computer program for supporting software tuning for a multi-core processor having a plurality of cores, the computer program making a computer execute:

acquiring granularity information on granularity assigned to each core; and

outputting the granularity information.

11 . A computer-readable recording medium that stores therein a computer program for supporting software tuning for a multi-core processor having a plurality of cores, the computer program making a computer execute:

acquiring granularity information on granularity assigned to each core;

calculating a frequency of appearance for each task or for each function included in a task, based on the granularity information;

creating structure information indicative of the frequency; and

outputting at least the structure information among the structure information and the granularity information.

12 . A computer-readable recording medium that stores therein a computer program for supporting software tuning for a multi-core processor having a plurality of cores, the computer program making a computer execute:

acquiring granularity information on granularity assigned to each core;

creating dependence information on dependence on other tasks or functions for each task or for each function included in a task, based on the granularity information; and

outputting at least the dependence information among the dependence information and the granularity information.

13 . A tuning support method of supporting software tuning for a multi-core processor having a plurality of cores, comprising:

acquiring granularity information on granularity assigned to each core; and

outputting the granularity information.

14 . A tuning support method of supporting software tuning for a multi-core processor having a plurality of cores, comprising:

acquiring granularity information on granularity assigned to each core;

calculating a frequency of appearance for each task or for each function included in a task, based on the granularity information;

creating structure information indicative of the frequency; and

outputting at least the structure information among the structure information and the granularity information.

15 . A tuning support method of supporting software tuning for a multi-core processor having a plurality of cores, comprising:

acquiring granularity information on granularity assigned to each core;

creating dependence information on dependence on other tasks or functions for each task or for each function included in a task, based on the granularity information; and

outputting at least the dependence information among the dependence information and the granularity information.