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Fix thread contention in Cache - #145
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PR ( #141 ) is in. So this is ready for rebasing |
When multiple threads are used, it can cause thread contentions so performance can be degraded. This patch fixes the issue by using a hash value for the index.
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@gpucibot merge |
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Needs to rebase once #141 is merged.
When multiple threads are used, it can cause thread contentions so
performance can be degraded.
It is found that the performance degradation is due to
lock()method in cuCIM's cache implementation.This patch fixes the issue by using a hash value for the index of the mutex pool.
Also, the default mutex pool size is increased from 11117 to 100003.
After Fix
Note:: experiment on JPEG-compressed SVS had an incorrect configuration (start location and patch size was specified as (128,256) instead of (120, 240)) so updated it in both documents and Google Spreadsheet.
Close #146