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Put the nonce for each vector offset in advance, avoiding one extra addition in the kernel.

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This commit is contained in:
Con Kolivas 2012-02-22 11:48:49 +11:00
parent bca9814d41
commit 145f3c0b1d
4 changed files with 18 additions and 41 deletions
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8
DiabloMiner120221.cl
View File

@ -62,13 +62,7 @@ __kernel __attribute__((reqd_work_group_size(WORKSIZE, 1, 1))) void search(
z ZA[930];
#ifdef VECTORS4
const z Znonce = base + (uint)(get_local_id(0)) * 4u + (uint)(get_group_id(0)) * (WORKSIZE * 4u);
#elif defined VECTORS2
const z Znonce = base + (uint)(get_local_id(0)) * 2u + (uint)(get_group_id(0)) * (WORKSIZE * 2u);
#else
const z Znonce = base + get_local_id(0) + get_group_id(0) * (WORKSIZE);
#endif
const z Znonce = base + (uint)(get_global_id(0));
ZA[15] = Znonce + PreVal4_state0;

19
device-gpu.c
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@ -653,7 +653,7 @@ static _clState *clStates[MAX_GPUDEVICES];
#define CL_SET_ARG(var) status |= clSetKernelArg(*kernel, num++, sizeof(var), (void *)&var)
#define CL_SET_VARG(args, var) status |= clSetKernelArg(*kernel, num++, args * sizeof(uint), (void *)var)
static cl_int queue_poclbm_kernel(_clState *clState, dev_blk_ctx *blk)
static cl_int queue_poclbm_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint threads)
{
cl_uint vwidth = clState->preferred_vwidth;
cl_kernel *kernel = &clState->kernel;
@ -680,7 +680,7 @@ static cl_int queue_poclbm_kernel(_clState *clState, dev_blk_ctx *blk)
nonces = alloca(sizeof(uint) * vwidth);
for (i = 0; i < vwidth; i++)
nonces[i] = blk->nonce + i;
nonces[i] = blk->nonce + (i * threads);
CL_SET_VARG(vwidth, nonces);
CL_SET_BLKARG(fW0);
@ -704,7 +704,8 @@ static cl_int queue_poclbm_kernel(_clState *clState, dev_blk_ctx *blk)
return status;
}
static cl_int queue_phatk_kernel(_clState *clState, dev_blk_ctx *blk)
static cl_int queue_phatk_kernel(_clState *clState, dev_blk_ctx *blk,
__maybe_unused cl_uint threads)
{
cl_uint vwidth = clState->preferred_vwidth;
cl_kernel *kernel = &clState->kernel;
@ -747,7 +748,7 @@ static cl_int queue_phatk_kernel(_clState *clState, dev_blk_ctx *blk)
return status;
}
static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk)
static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint threads)
{
cl_uint vwidth = clState->preferred_vwidth;
cl_kernel *kernel = &clState->kernel;
@ -757,7 +758,7 @@ static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk)
nonces = alloca(sizeof(uint) * vwidth);
for (i = 0; i < vwidth; i++)
nonces[i] = blk->nonce + i;
nonces[i] = blk->nonce + (i * threads);
CL_SET_VARG(vwidth, nonces);
CL_SET_BLKARG(PreVal0);
@ -805,7 +806,7 @@ static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk)
return status;
}
static cl_int queue_diablo_kernel(_clState *clState, dev_blk_ctx *blk)
static cl_int queue_diablo_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint threads)
{
cl_uint vwidth = clState->preferred_vwidth;
cl_kernel *kernel = &clState->kernel;
@ -815,7 +816,7 @@ static cl_int queue_diablo_kernel(_clState *clState, dev_blk_ctx *blk)
nonces = alloca(sizeof(uint) * vwidth);
for (i = 0; i < vwidth; i++)
nonces[i] = blk->nonce + i;
nonces[i] = blk->nonce + (i * threads);
CL_SET_VARG(vwidth, nonces);
CL_SET_BLKARG(PreVal0);
@ -1071,7 +1072,7 @@ static void get_opencl_statline(char *buf, struct cgpu_info *gpu)
}
struct opencl_thread_data {
cl_int (*queue_kernel_parameters)(_clState *, dev_blk_ctx *);
cl_int (*queue_kernel_parameters)(_clState *, dev_blk_ctx *, cl_uint);
uint32_t *res;
struct work *last_work;
struct work _last_work;
@ -1244,7 +1245,7 @@ static uint64_t opencl_scanhash(struct thr_info *thr, struct work *work,
localThreads[0], gpu->intensity);
if (hashes > gpu->max_hashes)
gpu->max_hashes = hashes;
status = thrdata->queue_kernel_parameters(clState, &work->blk);
status = thrdata->queue_kernel_parameters(clState, &work->blk, globalThreads[0]);
if (unlikely(status != CL_SUCCESS)) {
applog(LOG_ERR, "Error: clSetKernelArg of all params failed.");
return 0;

24
diakgcn120216.cl
View File

@ -55,30 +55,18 @@ __kernel
u V[8];
u W[16];
#ifdef VECTORS8
#ifdef GOFFSET
#ifdef GOFFSET
#ifdef VECTORS8
const u nonce = ((uint)get_global_id(0) << 3) + (u)(0, 1, 2, 3, 4, 5, 6, 7);
#else
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 3) + ((uint)get_local_id(0) << 3) + base;
#endif
#elif defined VECTORS4
#ifdef GOFFSET
#elif defined VECTORS4
const u nonce = ((uint)get_global_id(0) << 2) + (u)(0, 1, 2, 3);
#else
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 2) + ((uint)get_local_id(0) << 2) + base;
#endif
#elif defined VECTORS2
#ifdef GOFFSET
#elif defined VECTORS2
const u nonce = ((uint)get_global_id(0) << 1) + (u)(0, 1);
#else
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 1) + ((uint)get_local_id(0) << 1) + base;
const u nonce = (uint)get_global_id(0);
#endif
#else
#ifdef GOFFSET
const u nonce = (uint)get_global_id(0);
#else
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0)) + (uint)get_local_id(0) + base;
#endif
const u nonce = base + (uint)(get_global_id(0));
#endif
V[0] = PreVal0 + nonce;

8
poclbm120214.cl
View File

@ -82,13 +82,7 @@ __kernel void search(const uint state0, const uint state1, const uint state2, co
u W[24];
u *Vals = &W[16]; // Now put at W[16] to be in same array
#ifdef VECTORS4
const u nonce = base + (uint)(get_local_id(0)) * 4u + (uint)(get_group_id(0)) * (WORKSIZE * 4u);
#elif defined VECTORS2
const u nonce = base + (uint)(get_local_id(0)) * 2u + (uint)(get_group_id(0)) * (WORKSIZE * 2u);
#else
const u nonce = base + get_local_id(0) + get_group_id(0) * (WORKSIZE);
#endif
const u nonce = base + (uint)(get_global_id(0));
Vals[0]=Preval0+nonce;