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ocl: rename nfactor to N where appropriate.

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N = 2^nfactor, so `nfactor` was a bad name choice here.
This commit is contained in:
Noel Maersk 2014-02-26 03:45:14 +02:00
parent c4c85ca71c
commit 3afaaf1bfa
1 changed files with 5 additions and 3 deletions
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8
ocl.c
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@ -225,7 +225,9 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
cl_uint numPlatforms; cl_uint numPlatforms;
cl_uint numDevices; cl_uint numDevices;
cl_int status; cl_int status;
cl_uint nfactor = (1<<opt_nfactor);
/* Scrypt CPU/Memory cost parameter */
cl_uint N = (1 << opt_nfactor);
status = clGetPlatformIDs(0, NULL, &numPlatforms); status = clGetPlatformIDs(0, NULL, &numPlatforms);
if (status != CL_SUCCESS) { if (status != CL_SUCCESS) {
@ -483,7 +485,7 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
if (!cgpu->opt_tc) { if (!cgpu->opt_tc) {
unsigned int sixtyfours; unsigned int sixtyfours;
sixtyfours = cgpu->max_alloc / 131072 / 64 / (nfactor/1024) - 1; sixtyfours = cgpu->max_alloc / 131072 / 64 / (N/1024) - 1;
cgpu->thread_concurrency = sixtyfours * 64; cgpu->thread_concurrency = sixtyfours * 64;
if (cgpu->shaders && cgpu->thread_concurrency > cgpu->shaders) { if (cgpu->shaders && cgpu->thread_concurrency > cgpu->shaders) {
cgpu->thread_concurrency -= cgpu->thread_concurrency % cgpu->shaders; cgpu->thread_concurrency -= cgpu->thread_concurrency % cgpu->shaders;
@ -779,7 +781,7 @@ built:
return NULL; return NULL;
} }
size_t ipt = (nfactor / cgpu->lookup_gap + (nfactor % cgpu->lookup_gap > 0)); size_t ipt = (N / cgpu->lookup_gap + (N % cgpu->lookup_gap > 0));
size_t bufsize = 128 * ipt * cgpu->thread_concurrency; size_t bufsize = 128 * ipt * cgpu->thread_concurrency;
/* Use the max alloc value which has been rounded to a power of /* Use the max alloc value which has been rounded to a power of