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Set scrypt settings and buffer size in ocl.c code to be future modifiable.

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This commit is contained in:
Con Kolivas 2012-07-14 16:21:27 +10:00
parent bd10764e76
commit 243d005b1b
3 changed files with 22 additions and 7 deletions
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4
driver-opencl.c
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@ -1004,8 +1004,8 @@ static cl_int queue_scrypt_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint t
CL_SET_ARG(clState->CLbuffer0); CL_SET_ARG(clState->CLbuffer0);
CL_SET_ARG(clState->outputBuffer); CL_SET_ARG(clState->outputBuffer);
CL_SET_ARG(clState->padbuffer8); CL_SET_ARG(clState->padbuffer8);
CL_SET_VARG(4, &midstate[0]); CL_SET_ARG(midstate[0]);
CL_SET_VARG(4, &midstate[16]); CL_SET_ARG(midstate[16]);
#if 0 #if 0
clSetKernelArg(clState->kernel,0,sizeof(cl_mem), &clState->CLbuffer[0]); clSetKernelArg(clState->kernel,0,sizeof(cl_mem), &clState->CLbuffer[0]);

23
ocl.c
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@ -464,6 +464,13 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
return NULL; return NULL;
} }
#ifdef USE_SCRYPT
if (opt_scrypt) {
clState->lookup_gap = 1;
clState->thread_concurrency = 1;
}
#endif
strcat(binaryfilename, name); strcat(binaryfilename, name);
if (clState->goffset) if (clState->goffset)
strcat(binaryfilename, "g"); strcat(binaryfilename, "g");
@ -535,10 +542,13 @@ build:
/* create a cl program executable for all the devices specified */ /* create a cl program executable for all the devices specified */
char *CompilerOptions = calloc(1, 256); char *CompilerOptions = calloc(1, 256);
if (opt_scrypt) { #ifdef USE_SCRYPT
sprintf(CompilerOptions, "-D LOOKUP_GAP=1 -D CONCURRENT_THREADS=1 -D WORKSIZE=%d", if (opt_scrypt)
(int)clState->wsize); sprintf(CompilerOptions, "-D LOOKUP_GAP=%d -D CONCURRENT_THREADS=%d -D WORKSIZE=%d",
} else { (int)clState->lookup_gap, (int)clState->thread_concurrency, (int)clState->wsize);
else
#endif
{
sprintf(CompilerOptions, "-D WORKSIZE=%d -D VECTORS%d -D WORKVEC=%d", sprintf(CompilerOptions, "-D WORKSIZE=%d -D VECTORS%d -D WORKVEC=%d",
(int)clState->wsize, clState->vwidth, (int)clState->wsize * clState->vwidth); (int)clState->wsize, clState->vwidth, (int)clState->wsize * clState->vwidth);
} }
@ -734,8 +744,11 @@ built:
#ifdef USE_SCRYPT #ifdef USE_SCRYPT
if (opt_scrypt) { if (opt_scrypt) {
size_t ipt = (1024 / clState->lookup_gap + (1024 % clState->lookup_gap > 0));
size_t bufsize = 128 * ipt * clState->thread_concurrency;
clState->CLbuffer0 = clCreateBuffer(clState->context, CL_MEM_READ_ONLY, 128, NULL, &status); clState->CLbuffer0 = clCreateBuffer(clState->context, CL_MEM_READ_ONLY, 128, NULL, &status);
clState->padbuffer8 = clCreateBuffer(clState->context, CL_MEM_READ_WRITE, 131072, NULL, &status); clState->padbuffer8 = clCreateBuffer(clState->context, CL_MEM_READ_WRITE, bufsize, NULL, &status);
} }
#endif #endif
clState->outputBuffer = clCreateBuffer(clState->context, CL_MEM_WRITE_ONLY, BUFFERSIZE, NULL, &status); clState->outputBuffer = clCreateBuffer(clState->context, CL_MEM_WRITE_ONLY, BUFFERSIZE, NULL, &status);

2
ocl.h
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@ -22,6 +22,8 @@ typedef struct {
#ifdef USE_SCRYPT #ifdef USE_SCRYPT
cl_mem CLbuffer0; cl_mem CLbuffer0;
cl_mem padbuffer8; cl_mem padbuffer8;
size_t lookup_gap;
size_t thread_concurrency;
#endif #endif
bool hasBitAlign; bool hasBitAlign;
bool hasOpenCL11plus; bool hasOpenCL11plus;