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Use a new algorithm for choosing a thread concurrency when none or no shader value is specified for scrypt.

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This commit is contained in:
Con Kolivas 2013-03-15 22:31:46 +11:00
parent d0f18e83ad
commit 584fc013ab
1 changed files with 4 additions and 1 deletions
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5
ocl.c
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@ -482,7 +482,10 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
cgpu->lookup_gap = cgpu->opt_lg;
if (!cgpu->opt_tc) {
cgpu->thread_concurrency = cgpu->max_alloc / 32768 / cgpu->lookup_gap;
unsigned int sixtyfours;
sixtyfours = cgpu->max_alloc / 131072 / 64 - 1;
cgpu->thread_concurrency = sixtyfours * 64;
if (cgpu->shaders && cgpu->thread_concurrency > cgpu->shaders) {
cgpu->thread_concurrency -= cgpu->thread_concurrency % cgpu->shaders;
if (cgpu->thread_concurrency > cgpu->shaders * 5)