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Limit thread concurrency for scrypt to 5xshaders if shaders is specified.

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This commit is contained in:
Con Kolivas 2012-07-26 16:12:45 +10:00
parent da1b996a39
commit 43752ee58c
1 changed files with 4 additions and 1 deletions
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5
ocl.c
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@ -482,8 +482,11 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
}
if (!cgpu->thread_concurrency) {
cgpu->thread_concurrency = ma / 32768 / cgpu->lookup_gap;
if (cgpu->shaders && cgpu->thread_concurrency > cgpu->shaders)
if (cgpu->shaders && cgpu->thread_concurrency > cgpu->shaders) {
cgpu->thread_concurrency -= cgpu->thread_concurrency % cgpu->shaders;
if (cgpu->thread_concurrency > cgpu->shaders * 5)
cgpu->thread_concurrency = cgpu->shaders * 5;
}
applog(LOG_DEBUG, "GPU %d: selecting thread concurrency of %u",gpu, cgpu->thread_concurrency);
}