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revert to legacy nonce creation in the kernel without vector offset, but keep GOFFSET code removed

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This commit is contained in:
Philip Kaufmann 2012-02-23 16:14:27 +01:00 committed by Con Kolivas
parent bce47064b6
commit a731de6e45
2 changed files with 21 additions and 3 deletions
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5
device-gpu.c
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@ -835,7 +835,8 @@ 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, cl_uint threads)
static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk,
__maybe_unused cl_uint threads)
{
cl_kernel *kernel = &clState->kernel;
cl_uint vwidth = clState->vwidth;
@ -845,7 +846,7 @@ static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk, cl_uint
nonces = alloca(sizeof(uint) * vwidth);
for (i = 0; i < vwidth; i++)
nonces[i] = blk->nonce + (i * threads);
nonces[i] = blk->nonce + i;
CL_SET_VARG(vwidth, nonces);
CL_SET_BLKARG(PreVal0);

19
diakgcn120222.cl
View File

@ -53,7 +53,15 @@ __kernel
u V[8];
u W[16];
const u nonce = base + (uint)get_global_id(0);
#ifdef VECTORS8
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 3) + ((uint)get_local_id(0) << 3) + base;
#elif defined VECTORS4
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 2) + ((uint)get_local_id(0) << 2) + base;
#elif defined VECTORS2
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0) << 1) + ((uint)get_local_id(0) << 1) + base;
#else
const u nonce = ((uint)get_group_id(0) * (uint)get_local_size(0)) + (uint)get_local_id(0) + base;
#endif
V[0] = PreVal0 + nonce;
V[1] = B1;
@ -108,7 +116,16 @@ __kernel
//----------------------------------------------------------------------------------
#ifdef VECTORS8
W[0] = PreW18 + (u)( rotr25(nonce.s0), rotr25(nonce.s0) ^ 0x2004000U, rotr25(nonce.s0) ^ 0x4008000U, rotr25(nonce.s0) ^ 0x600c000U,
rotr25(nonce.s0) ^ 0x8010000U, rotr25(nonce.s0) ^ 0xa014000U, rotr25(nonce.s0) ^ 0xc018000U, rotr25(nonce.s0) ^ 0xe01c000U);
#elif defined VECTORS4
W[0] = PreW18 + (u)(rotr25(nonce.x), rotr25(nonce.x) ^ 0x2004000U, rotr25(nonce.x) ^ 0x4008000U, rotr25(nonce.x) ^ 0x600c000U);
#elif defined VECTORS2
W[0] = PreW18 + (u)(rotr25(nonce.x), rotr25(nonce.x) ^ 0x2004000U);
#else
W[0] = PreW18 + rotr25(nonce);
#endif
W[1] = PreW19 + nonce;
W[2] = 0x80000000U + rotr15(W[0]);
W[3] = rotr15(W[1]);