diff options
Diffstat (limited to 'xmrstak/backend/amd/amd_gpu')
| -rw-r--r-- | xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl | 711 |
1 files changed, 376 insertions, 335 deletions
diff --git a/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl b/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl index 9c65425..a1642c4 100644 --- a/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl +++ b/xmrstak/backend/amd/amd_gpu/opencl/cryptonight.cl @@ -422,12 +422,10 @@ __kernel void cn0(__global ulong *input, __global uint4 *Scratchpad, __global ul uint4 text; const ulong gIdx = get_global_id(0) - get_global_offset(0); - if(gIdx >= Threads) return; - states += 25 * gIdx; - Scratchpad += gIdx * (0x80000 >> 2); - - for(int i = get_local_id(0); i < 256; i += WORKSIZE) + for(int i = get_local_id(1) * WORKSIZE + get_local_id(0); + i < 256; + i += WORKSIZE * 8) { const uint tmp = AES0_C[i]; AES0[i] = tmp; @@ -435,49 +433,64 @@ __kernel void cn0(__global ulong *input, __global uint4 *Scratchpad, __global ul AES2[i] = rotate(tmp, 16U); AES3[i] = rotate(tmp, 24U); } + barrier(CLK_LOCAL_MEM_FENCE); - - ((ulong8 *)State)[0] = vload8(0, input); - State[8] = input[8]; - State[9] = input[9]; - State[10] = input[10]; - - ((uint *)State)[9] &= 0x00FFFFFFU; - ((uint *)State)[9] |= ((get_global_id(0)) & 0xFF) << 24; - ((uint *)State)[10] &= 0xFF000000U; - ((uint *)State)[10] |= ((get_global_id(0) >> 8)); - - for(int i = 11; i < 25; ++i) State[i] = 0x00UL; - - // Last bit of padding - State[16] = 0x8000000000000000UL; - - keccakf1600_2(State); - + + // do not use early return here + if(gIdx < Threads) + { + states += 25 * gIdx; + Scratchpad += gIdx * (0x80000 >> 2); + + ((ulong8 *)State)[0] = vload8(0, input); + State[8] = input[8]; + State[9] = input[9]; + State[10] = input[10]; + + ((uint *)State)[9] &= 0x00FFFFFFU; + ((uint *)State)[9] |= ((get_global_id(0)) & 0xFF) << 24; + ((uint *)State)[10] &= 0xFF000000U; + ((uint *)State)[10] |= ((get_global_id(0) >> 8)); + + for(int i = 11; i < 25; ++i) State[i] = 0x00UL; + + // Last bit of padding + State[16] = 0x8000000000000000UL; + + keccakf1600_2(State); + } + mem_fence(CLK_GLOBAL_MEM_FENCE); - - #pragma unroll - for(int i = 0; i < 25; ++i) states[i] = State[i]; - - text = vload4(get_local_id(1) + 4, (__global uint *)(states)); - - #pragma unroll - for(int i = 0; i < 4; ++i) ((ulong *)ExpandedKey1)[i] = states[i]; - - AESExpandKey256(ExpandedKey1); - - mem_fence(CLK_LOCAL_MEM_FENCE); - - #pragma unroll 2 - for(int i = 0; i < 0x4000; ++i) + + // do not use early return here + if(gIdx < Threads) { #pragma unroll - for(int j = 0; j < 10; ++j) - text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey1)[j]); - - Scratchpad[IDX((i << 3) + get_local_id(1))] = text; + for(int i = 0; i < 25; ++i) states[i] = State[i]; + + text = vload4(get_local_id(1) + 4, (__global uint *)(states)); + + #pragma unroll + for(int i = 0; i < 4; ++i) ((ulong *)ExpandedKey1)[i] = states[i]; + + AESExpandKey256(ExpandedKey1); + } + + mem_fence(CLK_LOCAL_MEM_FENCE); + + // do not use early return here + if(gIdx < Threads) + { + #pragma unroll 2 + for(int i = 0; i < 0x4000; ++i) + { + #pragma unroll + for(int j = 0; j < 10; ++j) + text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey1)[j]); + + Scratchpad[IDX((i << 3) + get_local_id(1))] = text; + } } - mem_fence(CLK_GLOBAL_MEM_FENCE); } @@ -488,11 +501,7 @@ __kernel void cn1(__global uint4 *Scratchpad, __global ulong *states, ulong Thre __local uint AES0[256], AES1[256], AES2[256], AES3[256]; const ulong gIdx = get_global_id(0) - get_global_offset(0); - if(gIdx >= Threads) return; - states += 25 * gIdx; - Scratchpad += gIdx * (0x80000 >> 2); - for(int i = get_local_id(0); i < 256; i += WORKSIZE) { const uint tmp = AES0_C[i]; @@ -501,41 +510,54 @@ __kernel void cn1(__global uint4 *Scratchpad, __global ulong *states, ulong Thre AES2[i] = rotate(tmp, 16U); AES3[i] = rotate(tmp, 24U); } + barrier(CLK_LOCAL_MEM_FENCE); - - a[0] = states[0] ^ states[4]; - b[0] = states[2] ^ states[6]; - a[1] = states[1] ^ states[5]; - b[1] = states[3] ^ states[7]; - - uint4 b_x = ((uint4 *)b)[0]; - + + uint4 b_x; + + // do not use early return here + if(gIdx < Threads) + { + states += 25 * gIdx; + Scratchpad += gIdx * (0x80000 >> 2); + + a[0] = states[0] ^ states[4]; + b[0] = states[2] ^ states[6]; + a[1] = states[1] ^ states[5]; + b[1] = states[3] ^ states[7]; + + b_x = ((uint4 *)b)[0]; + } + mem_fence(CLK_LOCAL_MEM_FENCE); - - #pragma unroll 8 - for(int i = 0; i < 0x80000; ++i) + + // do not use early return here + if(gIdx < Threads) { - ulong c[2]; - - ((uint4 *)c)[0] = Scratchpad[IDX((a[0] & 0x1FFFF0) >> 4)]; - ((uint4 *)c)[0] = AES_Round(AES0, AES1, AES2, AES3, ((uint4 *)c)[0], ((uint4 *)a)[0]); - //b_x ^= ((uint4 *)c)[0]; - - Scratchpad[IDX((a[0] & 0x1FFFF0) >> 4)] = b_x ^ ((uint4 *)c)[0]; - - uint4 tmp; - tmp = Scratchpad[IDX((c[0] & 0x1FFFF0) >> 4)]; - - a[1] += c[0] * as_ulong2(tmp).s0; - a[0] += mul_hi(c[0], as_ulong2(tmp).s0); - - Scratchpad[IDX((c[0] & 0x1FFFF0) >> 4)] = ((uint4 *)a)[0]; - - ((uint4 *)a)[0] ^= tmp; - - b_x = ((uint4 *)c)[0]; + #pragma unroll 8 + for(int i = 0; i < 0x80000; ++i) + { + ulong c[2]; + + ((uint4 *)c)[0] = Scratchpad[IDX((a[0] & 0x1FFFF0) >> 4)]; + ((uint4 *)c)[0] = AES_Round(AES0, AES1, AES2, AES3, ((uint4 *)c)[0], ((uint4 *)a)[0]); + //b_x ^= ((uint4 *)c)[0]; + + Scratchpad[IDX((a[0] & 0x1FFFF0) >> 4)] = b_x ^ ((uint4 *)c)[0]; + + uint4 tmp; + tmp = Scratchpad[IDX((c[0] & 0x1FFFF0) >> 4)]; + + a[1] += c[0] * as_ulong2(tmp).s0; + a[0] += mul_hi(c[0], as_ulong2(tmp).s0); + + Scratchpad[IDX((c[0] & 0x1FFFF0) >> 4)] = ((uint4 *)a)[0]; + + ((uint4 *)a)[0] ^= tmp; + + b_x = ((uint4 *)c)[0]; + } } - mem_fence(CLK_GLOBAL_MEM_FENCE); } @@ -548,12 +570,10 @@ __kernel void cn2(__global uint4 *Scratchpad, __global ulong *states, __global u uint4 text; const ulong gIdx = get_global_id(0) - get_global_offset(0); - if(gIdx >= Threads) return; - - states += 25 * gIdx; - Scratchpad += gIdx * (0x80000 >> 2); - for(int i = get_local_id(0); i < 256; i += WORKSIZE) + for(int i = get_local_id(1) * WORKSIZE + get_local_id(0); + i < 256; + i += WORKSIZE * 8) { const uint tmp = AES0_C[i]; AES0[i] = tmp; @@ -561,63 +581,78 @@ __kernel void cn2(__global uint4 *Scratchpad, __global ulong *states, __global u AES2[i] = rotate(tmp, 16U); AES3[i] = rotate(tmp, 24U); } + barrier(CLK_LOCAL_MEM_FENCE); - #if defined(__Tahiti__) || defined(__Pitcairn__) - - for(int i = 0; i < 4; ++i) ((ulong *)ExpandedKey2)[i] = states[i + 4]; - text = vload4(get_local_id(1) + 4, (__global uint *)states); - - #else - - text = vload4(get_local_id(1) + 4, (__global uint *)states); - ((uint8 *)ExpandedKey2)[0] = vload8(1, (__global uint *)states); - - #endif - - AESExpandKey256(ExpandedKey2); - + // do not use early return here + if(gIdx < Threads) + { + states += 25 * gIdx; + Scratchpad += gIdx * (0x80000 >> 2); + + #if defined(__Tahiti__) || defined(__Pitcairn__) + + for(int i = 0; i < 4; ++i) ((ulong *)ExpandedKey2)[i] = states[i + 4]; + text = vload4(get_local_id(1) + 4, (__global uint *)states); + + #else + + text = vload4(get_local_id(1) + 4, (__global uint *)states); + ((uint8 *)ExpandedKey2)[0] = vload8(1, (__global uint *)states); + + #endif + + AESExpandKey256(ExpandedKey2); + } + barrier(CLK_LOCAL_MEM_FENCE); - - #pragma unroll 2 - for(int i = 0; i < 0x4000; ++i) - { - text ^= Scratchpad[IDX((i << 3) + get_local_id(1))]; - - #pragma unroll - for(int j = 0; j < 10; ++j) - text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey2)[j]); + + // do not use early return here + if(gIdx < Threads) + { + #pragma unroll 2 + for(int i = 0; i < 0x4000; ++i) + { + text ^= Scratchpad[IDX((i << 3) + get_local_id(1))]; + + #pragma unroll + for(int j = 0; j < 10; ++j) + text = AES_Round(AES0, AES1, AES2, AES3, text, ((uint4 *)ExpandedKey2)[j]); + } + + vstore2(as_ulong2(text), get_local_id(1) + 4, states); } - - vstore2(as_ulong2(text), get_local_id(1) + 4, states); - + barrier(CLK_GLOBAL_MEM_FENCE); - - if(!get_local_id(1)) + + // do not use early return here + if(gIdx < Threads) { - for(int i = 0; i < 25; ++i) State[i] = states[i]; - - keccakf1600_2(State); - - for(int i = 0; i < 25; ++i) states[i] = State[i]; - - switch(State[0] & 3) + if(!get_local_id(1)) { - case 0: - Branch0[atomic_inc(Branch0 + Threads)] = get_global_id(0) - get_global_offset(0); - break; - case 1: - Branch1[atomic_inc(Branch1 + Threads)] = get_global_id(0) - get_global_offset(0); - break; - case 2: - Branch2[atomic_inc(Branch2 + Threads)] = get_global_id(0) - get_global_offset(0); - break; - case 3: - Branch3[atomic_inc(Branch3 + Threads)] = get_global_id(0) - get_global_offset(0); - break; + for(int i = 0; i < 25; ++i) State[i] = states[i]; + + keccakf1600_2(State); + + for(int i = 0; i < 25; ++i) states[i] = State[i]; + + switch(State[0] & 3) + { + case 0: + Branch0[atomic_inc(Branch0 + Threads)] = get_global_id(0) - get_global_offset(0); + break; + case 1: + Branch1[atomic_inc(Branch1 + Threads)] = get_global_id(0) - get_global_offset(0); + break; + case 2: + Branch2[atomic_inc(Branch2 + Threads)] = get_global_id(0) - get_global_offset(0); + break; + case 3: + Branch3[atomic_inc(Branch3 + Threads)] = get_global_id(0) - get_global_offset(0); + break; + } } } - mem_fence(CLK_GLOBAL_MEM_FENCE); } @@ -634,54 +669,56 @@ __kernel void Skein(__global ulong *states, __global uint *BranchBuf, __global u { const ulong idx = get_global_id(0) - get_global_offset(0); - if(idx >= Threads) return; - - states += 25 * BranchBuf[idx]; - - // skein - ulong8 h = vload8(0, SKEIN512_256_IV); - - // Type field begins with final bit, first bit, then six bits of type; the last 96 - // bits are input processed (including in the block to be processed with that tweak) - // The output transform is only one run of UBI, since we need only 256 bits of output - // The tweak for the output transform is Type = Output with the Final bit set - // T[0] for the output is 8, and I don't know why - should be message size... - ulong t[3] = { 0x00UL, 0x7000000000000000UL, 0x00UL }; - ulong8 p, m; - - for(uint i = 0; i < 4; ++i) + // do not use early return here + if(idx < Threads) { - if(i < 3) t[0] += 0x40UL; - else t[0] += 0x08UL; - + states += 25 * BranchBuf[idx]; + + // skein + ulong8 h = vload8(0, SKEIN512_256_IV); + + // Type field begins with final bit, first bit, then six bits of type; the last 96 + // bits are input processed (including in the block to be processed with that tweak) + // The output transform is only one run of UBI, since we need only 256 bits of output + // The tweak for the output transform is Type = Output with the Final bit set + // T[0] for the output is 8, and I don't know why - should be message size... + ulong t[3] = { 0x00UL, 0x7000000000000000UL, 0x00UL }; + ulong8 p, m; + + for(uint i = 0; i < 4; ++i) + { + if(i < 3) t[0] += 0x40UL; + else t[0] += 0x08UL; + + t[2] = t[0] ^ t[1]; + + m = (i < 3) ? vload8(i, states) : (ulong8)(states[24], 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL); + const ulong h8 = h.s0 ^ h.s1 ^ h.s2 ^ h.s3 ^ h.s4 ^ h.s5 ^ h.s6 ^ h.s7 ^ SKEIN_KS_PARITY; + p = Skein512Block(m, h, h8, t); + + h = m ^ p; + + if(i < 2) t[1] = 0x3000000000000000UL; + else t[1] = 0xB000000000000000UL; + } + + t[0] = 0x08UL; + t[1] = 0xFF00000000000000UL; t[2] = t[0] ^ t[1]; - - m = (i < 3) ? vload8(i, states) : (ulong8)(states[24], 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL); + + p = (ulong8)(0); const ulong h8 = h.s0 ^ h.s1 ^ h.s2 ^ h.s3 ^ h.s4 ^ h.s5 ^ h.s6 ^ h.s7 ^ SKEIN_KS_PARITY; - p = Skein512Block(m, h, h8, t); - - h = m ^ p; - - if(i < 2) t[1] = 0x3000000000000000UL; - else t[1] = 0xB000000000000000UL; - } - - t[0] = 0x08UL; - t[1] = 0xFF00000000000000UL; - t[2] = t[0] ^ t[1]; - - p = (ulong8)(0); - const ulong h8 = h.s0 ^ h.s1 ^ h.s2 ^ h.s3 ^ h.s4 ^ h.s5 ^ h.s6 ^ h.s7 ^ SKEIN_KS_PARITY; - - p = Skein512Block(p, h, h8, t); - - //vstore8(p, 0, output); - - if(as_uint16(p).s7 <= Target) - { - ulong outIdx = atomic_inc(output + 0xFF); - if(outIdx < 0xFF) - output[outIdx] = BranchBuf[idx] + get_global_offset(0); + + p = Skein512Block(p, h, h8, t); + + //vstore8(p, 0, output); + + if(as_uint16(p).s7 <= Target) + { + ulong outIdx = atomic_inc(output + 0xFF); + if(outIdx < 0xFF) + output[outIdx] = BranchBuf[idx] + get_global_offset(0); + } } mem_fence(CLK_GLOBAL_MEM_FENCE); } @@ -692,66 +729,68 @@ __kernel void JH(__global ulong *states, __global uint *BranchBuf, __global uint { const uint idx = get_global_id(0) - get_global_offset(0); - if(idx >= Threads) return; - - states += 25 * BranchBuf[idx]; - - sph_u64 h0h = 0xEBD3202C41A398EBUL, h0l = 0xC145B29C7BBECD92UL, h1h = 0xFAC7D4609151931CUL, h1l = 0x038A507ED6820026UL, h2h = 0x45B92677269E23A4UL, h2l = 0x77941AD4481AFBE0UL, h3h = 0x7A176B0226ABB5CDUL, h3l = 0xA82FFF0F4224F056UL; - sph_u64 h4h = 0x754D2E7F8996A371UL, h4l = 0x62E27DF70849141DUL, h5h = 0x948F2476F7957627UL, h5l = 0x6C29804757B6D587UL, h6h = 0x6C0D8EAC2D275E5CUL, h6l = 0x0F7A0557C6508451UL, h7h = 0xEA12247067D3E47BUL, h7l = 0x69D71CD313ABE389UL; - sph_u64 tmp; - - for(int i = 0; i < 5; ++i) + // do not use early return here + if(idx < Threads) { - ulong input[8]; - - if(i < 3) - { - for(int x = 0; x < 8; ++x) input[x] = (states[(i << 3) + x]); - } - else if(i == 3) + states += 25 * BranchBuf[idx]; + + sph_u64 h0h = 0xEBD3202C41A398EBUL, h0l = 0xC145B29C7BBECD92UL, h1h = 0xFAC7D4609151931CUL, h1l = 0x038A507ED6820026UL, h2h = 0x45B92677269E23A4UL, h2l = 0x77941AD4481AFBE0UL, h3h = 0x7A176B0226ABB5CDUL, h3l = 0xA82FFF0F4224F056UL; + sph_u64 h4h = 0x754D2E7F8996A371UL, h4l = 0x62E27DF70849141DUL, h5h = 0x948F2476F7957627UL, h5l = 0x6C29804757B6D587UL, h6h = 0x6C0D8EAC2D275E5CUL, h6l = 0x0F7A0557C6508451UL, h7h = 0xEA12247067D3E47BUL, h7l = 0x69D71CD313ABE389UL; + sph_u64 tmp; + + for(int i = 0; i < 5; ++i) { - input[0] = (states[24]); - input[1] = 0x80UL; - for(int x = 2; x < 8; ++x) input[x] = 0x00UL; + ulong input[8]; + + if(i < 3) + { + for(int x = 0; x < 8; ++x) input[x] = (states[(i << 3) + x]); + } + else if(i == 3) + { + input[0] = (states[24]); + input[1] = 0x80UL; + for(int x = 2; x < 8; ++x) input[x] = 0x00UL; + } + else + { + input[7] = 0x4006000000000000UL; + + for(int x = 0; x < 7; ++x) input[x] = 0x00UL; + } + + h0h ^= input[0]; + h0l ^= input[1]; + h1h ^= input[2]; + h1l ^= input[3]; + h2h ^= input[4]; + h2l ^= input[5]; + h3h ^= input[6]; + h3l ^= input[7]; + + E8; + + h4h ^= input[0]; + h4l ^= input[1]; + h5h ^= input[2]; + h5l ^= input[3]; + h6h ^= input[4]; + h6l ^= input[5]; + h7h ^= input[6]; + h7l ^= input[7]; } - else + + //output[0] = h6h; + //output[1] = h6l; + //output[2] = h7h; + //output[3] = h7l; + + if(as_uint2(h7l).s1 <= Target) { - input[7] = 0x4006000000000000UL; - - for(int x = 0; x < 7; ++x) input[x] = 0x00UL; + ulong outIdx = atomic_inc(output + 0xFF); + if(outIdx < 0xFF) + output[outIdx] = BranchBuf[idx] + get_global_offset(0); } - - h0h ^= input[0]; - h0l ^= input[1]; - h1h ^= input[2]; - h1l ^= input[3]; - h2h ^= input[4]; - h2l ^= input[5]; - h3h ^= input[6]; - h3l ^= input[7]; - - E8; - - h4h ^= input[0]; - h4l ^= input[1]; - h5h ^= input[2]; - h5l ^= input[3]; - h6h ^= input[4]; - h6l ^= input[5]; - h7h ^= input[6]; - h7l ^= input[7]; - } - - //output[0] = h6h; - //output[1] = h6l; - //output[2] = h7h; - //output[3] = h7l; - - if(as_uint2(h7l).s1 <= Target) - { - ulong outIdx = atomic_inc(output + 0xFF); - if(outIdx < 0xFF) - output[outIdx] = BranchBuf[idx] + get_global_offset(0); } } @@ -761,70 +800,71 @@ __kernel void Blake(__global ulong *states, __global uint *BranchBuf, __global u { const uint idx = get_global_id(0) - get_global_offset(0); - if(idx >= Threads) return; - - states += 25 * BranchBuf[idx]; - - unsigned int m[16]; - unsigned int v[16]; - uint h[8]; - - ((uint8 *)h)[0] = vload8(0U, c_IV256); - - for(uint i = 0, bitlen = 0; i < 4; ++i) + // do not use early return here + if(idx < Threads) { - if(i < 3) + states += 25 * BranchBuf[idx]; + + unsigned int m[16]; + unsigned int v[16]; + uint h[8]; + + ((uint8 *)h)[0] = vload8(0U, c_IV256); + + for(uint i = 0, bitlen = 0; i < 4; ++i) { - ((uint16 *)m)[0] = vload16(i, (__global uint *)states); - for(int i = 0; i < 16; ++i) m[i] = SWAP4(m[i]); - bitlen += 512; + if(i < 3) + { + ((uint16 *)m)[0] = vload16(i, (__global uint *)states); + for(int i = 0; i < 16; ++i) m[i] = SWAP4(m[i]); + bitlen += 512; + } + else + { + m[0] = SWAP4(((__global uint *)states)[48]); + m[1] = SWAP4(((__global uint *)states)[49]); + m[2] = 0x80000000U; + + for(int i = 3; i < 13; ++i) m[i] = 0x00U; + + m[13] = 1U; + m[14] = 0U; + m[15] = 0x640; + bitlen += 64; + } + + ((uint16 *)v)[0].lo = ((uint8 *)h)[0]; + ((uint16 *)v)[0].hi = vload8(0U, c_u256); + + //v[12] ^= (i < 3) ? (i + 1) << 9 : 1600U; + //v[13] ^= (i < 3) ? (i + 1) << 9 : 1600U; + + v[12] ^= bitlen; + v[13] ^= bitlen; + + for(int r = 0; r < 14; r++) + { + GS(0, 4, 0x8, 0xC, 0x0); + GS(1, 5, 0x9, 0xD, 0x2); + GS(2, 6, 0xA, 0xE, 0x4); + GS(3, 7, 0xB, 0xF, 0x6); + GS(0, 5, 0xA, 0xF, 0x8); + GS(1, 6, 0xB, 0xC, 0xA); + GS(2, 7, 0x8, 0xD, 0xC); + GS(3, 4, 0x9, 0xE, 0xE); + } + + ((uint8 *)h)[0] ^= ((uint8 *)v)[0] ^ ((uint8 *)v)[1]; } - else + + for(int i = 0; i < 8; ++i) h[i] = SWAP4(h[i]); + + if(h[7] <= Target) { - m[0] = SWAP4(((__global uint *)states)[48]); - m[1] = SWAP4(((__global uint *)states)[49]); - m[2] = 0x80000000U; - - for(int i = 3; i < 13; ++i) m[i] = 0x00U; - - m[13] = 1U; - m[14] = 0U; - m[15] = 0x640; - bitlen += 64; + ulong outIdx = atomic_inc(output + 0xFF); + if(outIdx < 0xFF) + output[outIdx] = BranchBuf[idx] + get_global_offset(0); } - - ((uint16 *)v)[0].lo = ((uint8 *)h)[0]; - ((uint16 *)v)[0].hi = vload8(0U, c_u256); - - //v[12] ^= (i < 3) ? (i + 1) << 9 : 1600U; - //v[13] ^= (i < 3) ? (i + 1) << 9 : 1600U; - - v[12] ^= bitlen; - v[13] ^= bitlen; - - for(int r = 0; r < 14; r++) - { - GS(0, 4, 0x8, 0xC, 0x0); - GS(1, 5, 0x9, 0xD, 0x2); - GS(2, 6, 0xA, 0xE, 0x4); - GS(3, 7, 0xB, 0xF, 0x6); - GS(0, 5, 0xA, 0xF, 0x8); - GS(1, 6, 0xB, 0xC, 0xA); - GS(2, 7, 0x8, 0xD, 0xC); - GS(3, 4, 0x9, 0xE, 0xE); - } - - ((uint8 *)h)[0] ^= ((uint8 *)v)[0] ^ ((uint8 *)v)[1]; - } - - for(int i = 0; i < 8; ++i) h[i] = SWAP4(h[i]); - - //for(int i = 0; i < 4; ++i) output[i] = ((ulong *)h)[i]; - if(h[7] <= Target) - { - ulong outIdx = atomic_inc(output + 0xFF); - if(outIdx < 0xFF) - output[outIdx] = BranchBuf[idx] + get_global_offset(0); } } @@ -832,56 +872,57 @@ __kernel void Groestl(__global ulong *states, __global uint *BranchBuf, __global { const uint idx = get_global_id(0) - get_global_offset(0); - if(idx >= Threads) return; - - states += 25 * BranchBuf[idx]; - - ulong State[8]; - - for(int i = 0; i < 7; ++i) State[i] = 0UL; - - State[7] = 0x0001000000000000UL; - - for(uint i = 0; i < 4; ++i) + // do not use early return here + if(idx < Threads) { - ulong H[8], M[8]; - - if(i < 3) + states += 25 * BranchBuf[idx]; + + ulong State[8]; + + for(int i = 0; i < 7; ++i) State[i] = 0UL; + + State[7] = 0x0001000000000000UL; + + for(uint i = 0; i < 4; ++i) { - ((ulong8 *)M)[0] = vload8(i, states); + ulong H[8], M[8]; + + if(i < 3) + { + ((ulong8 *)M)[0] = vload8(i, states); + } + else + { + M[0] = states[24]; + M[1] = 0x80UL; + + for(int x = 2; x < 7; ++x) M[x] = 0UL; + + M[7] = 0x0400000000000000UL; + } + + for(int x = 0; x < 8; ++x) H[x] = M[x] ^ State[x]; + + PERM_SMALL_P(H); + PERM_SMALL_Q(M); + + for(int x = 0; x < 8; ++x) State[x] ^= H[x] ^ M[x]; } - else + + ulong tmp[8]; + + for(int i = 0; i < 8; ++i) tmp[i] = State[i]; + + PERM_SMALL_P(State); + + for(int i = 0; i < 8; ++i) State[i] ^= tmp[i]; + + if(as_uint2(State[7]).s1 <= Target) { - M[0] = states[24]; - M[1] = 0x80UL; - - for(int x = 2; x < 7; ++x) M[x] = 0UL; - - M[7] = 0x0400000000000000UL; + ulong outIdx = atomic_inc(output + 0xFF); + if(outIdx < 0xFF) + output[outIdx] = BranchBuf[idx] + get_global_offset(0); } - - for(int x = 0; x < 8; ++x) H[x] = M[x] ^ State[x]; - - PERM_SMALL_P(H); - PERM_SMALL_Q(M); - - for(int x = 0; x < 8; ++x) State[x] ^= H[x] ^ M[x]; - } - - ulong tmp[8]; - - for(int i = 0; i < 8; ++i) tmp[i] = State[i]; - - PERM_SMALL_P(State); - - for(int i = 0; i < 8; ++i) State[i] ^= tmp[i]; - - //for(int i = 0; i < 4; ++i) output[i] = State[i + 4]; - if(as_uint2(State[7]).s1 <= Target) - { - ulong outIdx = atomic_inc(output + 0xFF); - if(outIdx < 0xFF) - output[outIdx] = BranchBuf[idx] + get_global_offset(0); } } |
