mirror of https://github.com/GOSTSec/ccminer
Tanguy Pruvot
9 years ago
9 changed files with 448 additions and 18 deletions
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/** |
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* Optimized Blake-256 8-rounds Cuda Kernel (Tested on SM >3.0) |
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* Based upon Blake-256 implementation of Tanguy Pruvot - Nov. 2014 |
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* |
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* midstate computation inherited from |
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* https://github.com/wfr/clblake |
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* |
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* Provos Alexis - Jan. 2016 |
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* Reviewed by tpruvot - Feb 2016 |
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*/ |
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#include <stdint.h> |
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#include <memory.h> |
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#include <emmintrin.h> |
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#include "miner.h" |
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extern "C" { |
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#include "sph/sph_blake.h" |
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} |
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#include "cuda_helper.h" |
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#ifdef __INTELLISENSE__ |
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#define __byte_perm(x, y, b) x |
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#endif |
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/* threads per block and "magic" */ |
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#define TPB 768 |
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#define NPT 224 |
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#define NBN 2 |
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__constant__ uint32_t d_data[16]; |
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/* 8 adapters max */ |
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static uint32_t *d_resNonce[MAX_GPUS]; |
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static uint32_t *h_resNonce[MAX_GPUS]; |
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/* hash by cpu with blake 256 */ |
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extern "C" void vanillahash(void *output, const void *input, int8_t blakerounds) |
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{ |
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uchar hash[64]; |
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sph_blake256_context ctx; |
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sph_blake256_set_rounds(blakerounds); |
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sph_blake256_init(&ctx); |
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sph_blake256(&ctx, input, 80); |
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sph_blake256_close(&ctx, hash); |
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memcpy(output, hash, 32); |
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} |
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__global__ __launch_bounds__(TPB,1) |
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void vanilla_gpu_hash_16_8(const uint32_t threads, const uint32_t startNonce, uint32_t *resNonce,const uint32_t highTarget) |
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{ |
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uint32_t v[16]; |
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uint32_t tmp[13]; |
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const uint32_t thread = blockDim.x * blockIdx.x + threadIdx.x; |
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const uint32_t step = gridDim.x * blockDim.x; |
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const uint32_t maxNonce = startNonce + threads; |
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const uint32_t c_u256[16] = { |
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0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, |
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0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917 |
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}; |
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const uint32_t h0 = d_data[0]; const uint32_t h1 = d_data[1]; |
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const uint32_t h2 = d_data[2]; const uint32_t h3 = d_data[3]; |
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const uint32_t h4 = d_data[4]; //const uint32_t h5 = d_data[5]; no need |
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const uint32_t h6 = d_data[5]; const uint32_t h7 = d_data[6]; |
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const uint32_t m0 = d_data[7]; const uint32_t m1 = d_data[8]; |
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const uint32_t m2 = d_data[9]; //le' nonce |
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const uint32_t m4 = 0x80000000UL; const uint32_t m5 = 0; |
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const uint32_t m6 = 0; const uint32_t m7 = 0; |
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const uint32_t m8 = 0; const uint32_t m9 = 0; |
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const uint32_t m10 = 0; const uint32_t m11 = 0; |
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const uint32_t m12 = 0; const uint32_t m13 = 1; |
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const uint32_t m14 = 0; const uint32_t m15 = 640; |
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//---MORE PRECOMPUTATIONS |
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tmp[ 0] = d_data[10]; tmp[ 1] = d_data[11]; |
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tmp[ 2] = d_data[12]; tmp[ 3] = c_u256[1] + tmp[2]; |
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tmp[ 4] = d_data[13]; tmp[ 5] = d_data[14]; |
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tmp[ 6] = c_u256[2] + tmp[5]; tmp[ 7] = d_data[15]; |
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tmp[ 5] = __byte_perm(tmp[5] ^ h2,0, 0x0321); tmp[ 6] += tmp[5]; |
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tmp[ 7] = ROTR32(tmp[7] ^ tmp[6],7); tmp[ 8] = __byte_perm(c_u256[7] ^ h3,0, 0x1032); |
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tmp[ 9] = c_u256[3] + tmp[8]; tmp[10] = ROTR32(h7 ^ tmp[9], 12); |
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tmp[11] = h3 + c_u256[6] + tmp[10]; |
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tmp[ 8] = __byte_perm(tmp[8] ^ tmp[11],0, 0x0321); tmp[ 9] += tmp[8]; |
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tmp[10] = ROTR32(tmp[10] ^ tmp[9],7); |
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//---END OF MORE PRECOMPUTATIONS |
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for(uint64_t m3 = startNonce + thread ; m3<maxNonce ; m3+=step){ |
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//All i need is, h0,h1,h2,h4,h6,h7,m0,m1,m2 ++ tmps (13) //22 vars |
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v[0] = h0; v[1] = h1; v[2] = h2; v[3] = tmp[11]; |
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v[4] = h4; v[5] = tmp[4]; v[6] = tmp[7]; v[7] = tmp[10]; |
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v[8] = tmp[1]; v[9] = tmp[3]; v[10] = tmp[6]; v[11] = tmp[9]; |
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v[12] = tmp[0]; v[13] = tmp[2]; v[14] = tmp[5]; v[15] = tmp[8]; |
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v[ 1] += m3 ^ c_u256[2]; v[13] = __byte_perm(v[13] ^ v[1],0, 0x0321);v[ 9] += v[13]; v[5] = ROTR32(v[5] ^ v[9], 7); |
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v[ 0] += v[5]; v[15] = __byte_perm(v[15] ^ v[0],0, 0x1032);v[10] += v[15]; v[5] = ROTR32(v[5] ^ v[10], 12); |
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v[ 0] += c_u256[8] + v[5]; v[15] = __byte_perm(v[15] ^ v[0],0, 0x0321);v[10] += v[15]; v[5] = ROTR32(v[5] ^ v[10], 7); |
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#define GSPREC(a,b,c,d,x,y) { \ |
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v[a] += (m##x ^ c_u256[y]) + v[b]; \ |
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v[d] = __byte_perm(v[d] ^ v[a],0, 0x1032); \ |
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v[c] += v[d]; \ |
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v[b] = ROTR32(v[b] ^ v[c], 12); \ |
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v[a] += (m##y ^ c_u256[x]) + v[b]; \ |
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v[d] = __byte_perm(v[d] ^ v[a],0, 0x0321); \ |
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v[c] += v[d]; \ |
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v[b] = ROTR32(v[b] ^ v[c], 7); \ |
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} |
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GSPREC(1, 6, 11, 12, 10, 11); GSPREC(2, 7, 8, 13, 12, 13); GSPREC(3, 4, 9, 14, 14, 15); |
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// { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }, |
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GSPREC(0, 4, 8, 12, 14, 10); GSPREC(1, 5, 9, 13, 4, 8); GSPREC(2, 6, 10, 14, 9, 15); GSPREC(3, 7, 11, 15, 13, 6); |
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GSPREC(0, 5, 10, 15, 1, 12); GSPREC(1, 6, 11, 12, 0, 2); GSPREC(2, 7, 8, 13, 11, 7); GSPREC(3, 4, 9, 14, 5, 3); |
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// { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 }, |
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GSPREC(0, 4, 8, 12, 11, 8); GSPREC(1, 5, 9, 13, 12, 0); GSPREC(2, 6, 10, 14, 5, 2); GSPREC(3, 7, 11, 15, 15, 13); |
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GSPREC(0, 5, 10, 15, 10, 14); GSPREC(1, 6, 11, 12, 3, 6); GSPREC(2, 7, 8, 13, 7, 1); GSPREC(3, 4, 9, 14, 9, 4); |
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// { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 }, |
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GSPREC(0, 4, 8, 12, 7, 9); GSPREC(1, 5, 9, 13, 3, 1); GSPREC(2, 6, 10, 14, 13, 12); GSPREC(3, 7, 11, 15, 11, 14); |
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GSPREC(0, 5, 10, 15, 2, 6); GSPREC(1, 6, 11, 12, 5, 10); GSPREC(2, 7, 8, 13, 4, 0); GSPREC(3, 4, 9, 14, 15, 8); |
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// { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 }, |
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GSPREC(0, 4, 8, 12, 9, 0); GSPREC(1, 5, 9, 13, 5, 7); GSPREC(2, 6, 10, 14, 2, 4); GSPREC(3, 7, 11, 15, 10, 15); |
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GSPREC(0, 5, 10, 15, 14, 1); GSPREC(1, 6, 11, 12, 11, 12); GSPREC(2, 7, 8, 13, 6, 8); GSPREC(3, 4, 9, 14, 3, 13); |
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// { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }, |
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GSPREC(0, 4, 8, 12, 2, 12); GSPREC(1, 5, 9, 13, 6, 10); GSPREC(2, 6, 10, 14, 0, 11); GSPREC(3, 7, 11, 15, 8, 3); |
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GSPREC(0, 5, 10, 15, 4, 13); GSPREC(1, 6, 11, 12, 7, 5); GSPREC(2, 7, 8, 13, 15, 14); GSPREC(3, 4, 9, 14, 1, 9); |
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// { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 }, |
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GSPREC(0, 4, 8, 12, 12, 5); GSPREC(1, 5, 9, 13, 1, 15); GSPREC(2, 6, 10, 14, 14, 13); GSPREC(3, 7, 11, 15, 4, 10); |
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GSPREC(0, 5, 10, 15, 0, 7); GSPREC(1, 6, 11, 12, 6, 3); GSPREC(2, 7, 8, 13, 9, 2); GSPREC(3, 4, 9, 14, 8, 11); |
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// { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 }, |
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GSPREC(0, 4, 8, 12, 13, 11); GSPREC(1, 5, 9, 13, 7, 14); GSPREC(2, 6, 10, 14, 12, 1); GSPREC(3, 7, 11, 15, 3, 9); |
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v[ 0] += (m5 ^ c_u256[0]) + v[5]; v[15] = __byte_perm(v[15] ^ v[0],0, 0x1032); |
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v[10] += v[15]; v[ 5] = ROTR32(v[5] ^ v[10], 12); |
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v[ 0] += (m0 ^ c_u256[5]) + v[5]; v[15] = __byte_perm(v[15] ^ v[0],0, 0x0321); |
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v[2] += (m8 ^ c_u256[6]) + v[7]; v[13] = __byte_perm(v[13] ^ v[2],0, 0x1032); |
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v[8] += v[13]; v[ 7] = ROTR32(v[7] ^ v[8], 12); |
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v[2] += (m6 ^ c_u256[8]) + v[7]; v[13] = __byte_perm(v[13] ^ v[2],0, 0x0321); |
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v[8] += v[13]; v[ 7] = ROTR32(v[7] ^ v[8], 7); |
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// only compute h6 & 7 |
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if((h7^v[7]^v[15])==0){ |
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GSPREC(1, 6, 11, 12, 15, 4); |
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v[ 3] += (m2 ^ c_u256[10]) + v[4]; |
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v[14] = __byte_perm(v[14] ^ v[3],0, 0x1032); |
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v[ 9] += v[14]; |
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v[ 4] = ROTR32(v[4] ^ v[9],12); |
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v[ 3] += (m10 ^ c_u256[2]) + v[4]; |
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v[14] = __byte_perm(v[14] ^ v[3],0, 0x0321); |
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if(cuda_swab32(h6^v[6]^v[14]) <= highTarget) { |
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#if NBN == 2 |
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/* keep the smallest nonce, + extra one if found */ |
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if (m3 < resNonce[0]){ |
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resNonce[1] = resNonce[0]; |
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resNonce[0] = m3; |
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} |
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else |
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resNonce[1] = m3; |
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#else |
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resNonce[0] = m3; |
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#endif |
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} |
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} |
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} |
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} |
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#define round(r) \ |
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/* column step */ \ |
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buf1 = _mm_set_epi32(m.u32[sig[r][ 6]], m.u32[sig[r][ 4]], m.u32[sig[r][ 2]], m.u32[sig[r][ 0]]); \ |
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buf2 = _mm_set_epi32(z[sig[r][ 7]], z[sig[r][ 5]], z[sig[r][ 3]],z[sig[r][ 1]]); \ |
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buf1 = _mm_xor_si128( buf1, buf2); \ |
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row1 = _mm_add_epi32( _mm_add_epi32( row1, buf1), row2 ); \ |
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buf1 = _mm_set_epi32(z[sig[r][ 6]], z[sig[r][ 4]], z[sig[r][ 2]], z[sig[r][ 0]]); \ |
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buf2 = _mm_set_epi32(m.u32[sig[r][ 7]], m.u32[sig[r][ 5]], m.u32[sig[r][ 3]], m.u32[sig[r][ 1]]); \ |
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row4 = _mm_xor_si128( row4, row1 ); \ |
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row4 = _mm_xor_si128(_mm_srli_epi32( row4, 16 ),_mm_slli_epi32( row4, 16 )); \ |
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row3 = _mm_add_epi32( row3, row4 ); \ |
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row2 = _mm_xor_si128( row2, row3 ); \ |
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buf1 = _mm_xor_si128( buf1, buf2); \ |
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row2 = _mm_xor_si128(_mm_srli_epi32( row2, 12 ),_mm_slli_epi32( row2, 20 )); \ |
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row1 = _mm_add_epi32( _mm_add_epi32( row1, buf1), row2 ); \ |
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row4 = _mm_xor_si128( row4, row1 ); \ |
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row4 = _mm_xor_si128(_mm_srli_epi32( row4, 8 ),_mm_slli_epi32( row4, 24 )); \ |
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row3 = _mm_add_epi32( row3, row4 ); \ |
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row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(2,1,0,3) ); \ |
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row2 = _mm_xor_si128( row2, row3 ); \ |
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row2 = _mm_xor_si128(_mm_srli_epi32( row2, 7 ),_mm_slli_epi32( row2, 25 )); \ |
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\ |
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row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \ |
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row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(0,3,2,1) ); \ |
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\ |
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/* diagonal step */ \ |
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buf1 = _mm_set_epi32(m.u32[sig[r][14]], m.u32[sig[r][12]], m.u32[sig[r][10]], m.u32[sig[r][ 8]]); \ |
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buf2 = _mm_set_epi32(z[sig[r][15]], z[sig[r][13]], z[sig[r][11]], z[sig[r][ 9]]); \ |
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buf1 = _mm_xor_si128( buf1, buf2); \ |
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row1 = _mm_add_epi32( _mm_add_epi32( row1, buf1 ), row2 ); \ |
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buf1 = _mm_set_epi32(z[sig[r][14]], z[sig[r][12]], z[sig[r][10]], z[sig[r][ 8]]); \ |
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buf2 = _mm_set_epi32(m.u32[sig[r][15]], m.u32[sig[r][13]], m.u32[sig[r][11]], m.u32[sig[r][ 9]]); \ |
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row4 = _mm_xor_si128( row4, row1 ); \ |
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buf1 = _mm_xor_si128( buf1, buf2); \ |
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row4 = _mm_xor_si128(_mm_srli_epi32( row4, 16 ),_mm_slli_epi32( row4, 16 )); \ |
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row3 = _mm_add_epi32( row3, row4 ); \ |
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row2 = _mm_xor_si128( row2, row3 ); \ |
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row2 = _mm_xor_si128(_mm_srli_epi32( row2, 12 ),_mm_slli_epi32( row2, 20 )); \ |
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row1 = _mm_add_epi32( _mm_add_epi32( row1, buf1 ), row2 ); \ |
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row4 = _mm_xor_si128( row4, row1 ); \ |
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row4 = _mm_xor_si128(_mm_srli_epi32( row4, 8 ),_mm_slli_epi32( row4, 24 )); \ |
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row3 = _mm_add_epi32( row3, row4 ); \ |
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row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(0,3,2,1) ); \ |
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row2 = _mm_xor_si128( row2, row3 ); \ |
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row2 = _mm_xor_si128(_mm_srli_epi32( row2, 7 ),_mm_slli_epi32( row2, 25 )); \ |
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\ |
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row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \ |
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row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(2,1,0,3) ); \ |
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\ |
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#define LOADU(p) _mm_loadu_si128( (__m128i *)(p) ) |
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#define BSWAP32(r) do{ \ |
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r = _mm_shufflehi_epi16(r, _MM_SHUFFLE(2, 3, 0, 1));\ |
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r = _mm_shufflelo_epi16(r, _MM_SHUFFLE(2, 3, 0, 1));\ |
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r = _mm_xor_si128(_mm_slli_epi16(r, 8), _mm_srli_epi16(r, 8));\ |
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} while(0) |
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__host__ |
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void vanilla_cpu_setBlock_16(const uint32_t* endiandata, uint32_t *penddata){ |
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uint32_t _ALIGN(32) h[16]; |
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h[0]=0x6A09E667; h[1]=0xBB67AE85; h[2]=0x3C6EF372; h[3]=0xA54FF53A; |
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h[4]=0x510E527F; h[5]=0x9B05688C; h[6]=0x1F83D9AB; h[7]=0x5BE0CD19; |
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__m128i row1, row2, row3, row4; |
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__m128i buf1, buf2; |
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union { |
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uint32_t u32[16]; |
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__m128i u128[4]; |
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} m; |
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static const int sig[][16] = { |
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , |
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{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } , |
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{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } , { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } , |
||||||
|
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } , { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } , |
||||||
|
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } , { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } , |
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|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , |
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|
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } |
||||||
|
}; |
||||||
|
static const uint32_t z[16] = { |
||||||
|
0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89, |
||||||
|
0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917 |
||||||
|
}; |
||||||
|
/* get message */ |
||||||
|
m.u128[0] = LOADU(endiandata + 0); |
||||||
|
m.u128[1] = LOADU(endiandata + 4); |
||||||
|
m.u128[2] = LOADU(endiandata + 8); |
||||||
|
m.u128[3] = LOADU(endiandata + 12); |
||||||
|
BSWAP32(m.u128[0]); BSWAP32(m.u128[1]); BSWAP32(m.u128[2]); BSWAP32(m.u128[3]); |
||||||
|
|
||||||
|
row1 = _mm_set_epi32(h[ 3], h[ 2], h[ 1], h[ 0]); |
||||||
|
row2 = _mm_set_epi32(h[ 7], h[ 6], h[ 5], h[ 4]); |
||||||
|
row3 = _mm_set_epi32(0x03707344, 0x13198A2E, 0x85A308D3, 0x243F6A88); |
||||||
|
row4 = _mm_set_epi32(0xEC4E6C89, 0x082EFA98, 0x299F31D0^512, 0xA4093822^512); |
||||||
|
|
||||||
|
round( 0); round( 1); round( 2); |
||||||
|
round( 3); round( 4); round( 5); |
||||||
|
round( 6); round( 7); |
||||||
|
|
||||||
|
_mm_store_si128( (__m128i *)m.u32, _mm_xor_si128(row1,row3)); |
||||||
|
h[0] ^= m.u32[ 0]; h[1] ^= m.u32[ 1]; |
||||||
|
h[2] ^= m.u32[ 2]; h[3] ^= m.u32[ 3]; |
||||||
|
_mm_store_si128( (__m128i *)m.u32, _mm_xor_si128(row2,row4)); |
||||||
|
h[4] ^= m.u32[ 0]; h[5] ^= m.u32[ 1]; |
||||||
|
h[6] ^= m.u32[ 2]; h[7] ^= m.u32[ 3]; |
||||||
|
|
||||||
|
uint32_t tmp = h[5]; |
||||||
|
h[ 5] = h[6]; |
||||||
|
h[ 6] = h[7]; |
||||||
|
h[ 7] = penddata[0]; |
||||||
|
h[ 8] = penddata[1]; |
||||||
|
h[ 9] = penddata[2]; |
||||||
|
h[10] = SPH_C32(0xA4093822) ^ 640; |
||||||
|
h[11] = SPH_C32(0x243F6A88); |
||||||
|
|
||||||
|
h[ 0] += (h[7] ^ SPH_C32(0x85A308D3)) + h[4]; |
||||||
|
h[10] = SPH_ROTR32(h[10] ^ h[0],16); |
||||||
|
h[11] += h[10]; |
||||||
|
h[ 4] = SPH_ROTR32(h[4] ^ h[11], 12); |
||||||
|
h[ 0] += (h[8] ^ SPH_C32(0x243F6A88)) + h[4]; |
||||||
|
h[10] = SPH_ROTR32(h[10] ^ h[0],8); |
||||||
|
h[11] += h[10]; |
||||||
|
h[ 4] = SPH_ROTR32(h[4] ^ h[11], 7); |
||||||
|
|
||||||
|
h[1] += (h[ 9] ^ SPH_C32(0x03707344)) + tmp; |
||||||
|
|
||||||
|
h[12] = SPH_ROTR32(SPH_C32(0x299F31D0) ^ 640 ^ h[1],16); |
||||||
|
h[13] = ROTR32(tmp ^ (SPH_C32(0x85A308D3) + h[12]), 12); |
||||||
|
|
||||||
|
h[ 1] += h[13]; |
||||||
|
h[ 2] += (0x80000000UL ^ SPH_C32(0x299F31D0)) + h[5]; |
||||||
|
|
||||||
|
h[14] = SPH_ROTR32(SPH_C32(0x082EFA98) ^ h[2], 16); |
||||||
|
h[15] = SPH_C32(0x13198A2E) + h[14]; |
||||||
|
h[15] = SPH_ROTR32(h[5] ^ h[15], 12); |
||||||
|
|
||||||
|
h[ 3] += SPH_C32(0xEC4E6C89) + h[6]; |
||||||
|
h[ 0] += SPH_C32(0x38D01377); |
||||||
|
|
||||||
|
h[ 2] += SPH_C32(0xA4093822) + h[15]; |
||||||
|
|
||||||
|
cudaMemcpyToSymbol(d_data, h, 16*sizeof(uint32_t), 0, cudaMemcpyHostToDevice); |
||||||
|
} |
||||||
|
|
||||||
|
static bool init[MAX_GPUS] = { 0 }; |
||||||
|
|
||||||
|
extern "C" int scanhash_vanilla(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done, const int8_t blakerounds) |
||||||
|
{ |
||||||
|
uint32_t *pdata = work->data; |
||||||
|
uint32_t *ptarget = work->target; |
||||||
|
const uint32_t first_nonce = pdata[19]; |
||||||
|
const uint32_t targetHigh = ptarget[6]; |
||||||
|
int dev_id = device_map[thr_id]; |
||||||
|
int intensity = (device_sm[dev_id] > 500 && !is_windows()) ? 30 : 24; |
||||||
|
if (device_sm[dev_id] < 350) intensity = 22; |
||||||
|
|
||||||
|
uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity); |
||||||
|
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); |
||||||
|
|
||||||
|
int rc = 0; |
||||||
|
|
||||||
|
if (!init[thr_id]) { |
||||||
|
cudaSetDevice(dev_id); |
||||||
|
if (opt_cudaschedule == -1 && gpu_threads == 1) { |
||||||
|
cudaDeviceReset(); |
||||||
|
// reduce cpu usage (linux) |
||||||
|
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); |
||||||
|
cudaDeviceSetCacheConfig(cudaFuncCachePreferL1); |
||||||
|
CUDA_LOG_ERROR(); |
||||||
|
} |
||||||
|
CUDA_CALL_OR_RET_X(cudaHostAlloc((void**)&h_resNonce[thr_id], NBN*sizeof(uint32_t), cudaHostAllocMapped),0); |
||||||
|
CUDA_CALL_OR_RET_X(cudaHostGetDevicePointer((void**)&d_resNonce[thr_id],(void*)h_resNonce[thr_id], 0),0); |
||||||
|
init[thr_id] = true; |
||||||
|
} |
||||||
|
|
||||||
|
uint32_t endiandata[20]; |
||||||
|
|
||||||
|
for (int k = 0; k < 16; k++) |
||||||
|
be32enc(&endiandata[k], pdata[k]); |
||||||
|
|
||||||
|
vanilla_cpu_setBlock_16(endiandata,&pdata[16]); |
||||||
|
|
||||||
|
cudaMemset(d_resNonce[thr_id], 0xff, sizeof(uint32_t)); |
||||||
|
const dim3 grid((throughput + (NPT*TPB)-1)/(NPT*TPB)); |
||||||
|
const dim3 block(TPB); |
||||||
|
do { |
||||||
|
vanilla_gpu_hash_16_8<<<grid,block>>>(throughput, pdata[19], d_resNonce[thr_id], targetHigh); |
||||||
|
cudaThreadSynchronize(); |
||||||
|
|
||||||
|
if (h_resNonce[thr_id][0] != UINT32_MAX){ |
||||||
|
uint32_t vhashcpu[8]; |
||||||
|
uint32_t Htarg = (uint32_t)targetHigh; |
||||||
|
|
||||||
|
for (int k=0; k < 19; k++) |
||||||
|
be32enc(&endiandata[k], pdata[k]); |
||||||
|
|
||||||
|
be32enc(&endiandata[19], h_resNonce[thr_id][0]); |
||||||
|
vanillahash(vhashcpu, endiandata, blakerounds); |
||||||
|
|
||||||
|
if (vhashcpu[6] <= Htarg && fulltest(vhashcpu, ptarget)){ |
||||||
|
rc = 1; |
||||||
|
work_set_target_ratio(work, vhashcpu); |
||||||
|
*hashes_done = pdata[19] - first_nonce + throughput; |
||||||
|
pdata[19] = h_resNonce[thr_id][0]; |
||||||
|
#if NBN > 1 |
||||||
|
if (h_resNonce[thr_id][1] != UINT32_MAX) { |
||||||
|
pdata[21] = h_resNonce[thr_id][1]; |
||||||
|
applog(LOG_BLUE, "1:%x 2:%x", h_resNonce[thr_id][0], h_resNonce[thr_id][1]); |
||||||
|
rc = 2; |
||||||
|
} |
||||||
|
#endif |
||||||
|
return rc; |
||||||
|
} |
||||||
|
else { |
||||||
|
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", h_resNonce[thr_id][0]); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
pdata[19] += throughput; |
||||||
|
} while (!work_restart[thr_id].restart && ((uint64_t)max_nonce > ((uint64_t)(pdata[19]) + (uint64_t)throughput))); |
||||||
|
|
||||||
|
*hashes_done = pdata[19] - first_nonce; |
||||||
|
MyStreamSynchronize(NULL, 0, dev_id); |
||||||
|
return rc; |
||||||
|
} |
||||||
|
|
||||||
|
// cleanup |
||||||
|
extern "C" void free_vanilla(int thr_id) |
||||||
|
{ |
||||||
|
if (!init[thr_id]) |
||||||
|
return; |
||||||
|
|
||||||
|
cudaThreadSynchronize(); |
||||||
|
|
||||||
|
cudaFreeHost(h_resNonce[thr_id]); |
||||||
|
cudaFree(d_resNonce[thr_id]); |
||||||
|
|
||||||
|
init[thr_id] = false; |
||||||
|
|
||||||
|
cudaDeviceSynchronize(); |
||||||
|
} |
Loading…
Reference in new issue