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461 lines
12 KiB
461 lines
12 KiB
/** |
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* Penta Blake-512 Cuda Kernel (Tested on SM 5.0) |
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* |
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* Tanguy Pruvot - Aug. 2014 |
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*/ |
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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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#include <stdint.h> |
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#include <memory.h> |
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} |
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/* threads per block */ |
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#define TPB 192 |
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/* hash by cpu with blake 256 */ |
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extern "C" void pentablakehash(void *output, const void *input) |
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{ |
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unsigned char hash[128]; |
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#define hashB hash + 64 |
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sph_blake512_context ctx; |
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sph_blake512_init(&ctx); |
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sph_blake512(&ctx, input, 80); |
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sph_blake512_close(&ctx, hash); |
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sph_blake512(&ctx, hash, 64); |
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sph_blake512_close(&ctx, hashB); |
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sph_blake512(&ctx, hashB, 64); |
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sph_blake512_close(&ctx, hash); |
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sph_blake512(&ctx, hash, 64); |
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sph_blake512_close(&ctx, hashB); |
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sph_blake512(&ctx, hashB, 64); |
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sph_blake512_close(&ctx, hash); |
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memcpy(output, hash, 32); |
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} |
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#include "cuda_helper.h" |
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__constant__ |
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static uint32_t __align__(32) c_Target[8]; |
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__constant__ |
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static uint64_t __align__(32) c_data[32]; |
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static uint32_t *d_hash[MAX_GPUS]; |
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static uint32_t *d_resNounce[MAX_GPUS]; |
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static uint32_t *h_resNounce[MAX_GPUS]; |
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static uint32_t extra_results[2] = { UINT32_MAX, UINT32_MAX }; |
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/* prefer uint32_t to prevent size conversions = speed +5/10 % */ |
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__constant__ |
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static uint32_t __align__(32) c_sigma[16][16]; |
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const uint32_t host_sigma[16][16] = { |
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 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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{11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 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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{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 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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{12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 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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{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 }, |
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{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 }, |
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{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 }, |
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{ 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 }, |
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{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } |
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}; |
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__device__ __constant__ |
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static const uint64_t __align__(32) c_IV512[8] = { |
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0x6a09e667f3bcc908ULL, |
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0xbb67ae8584caa73bULL, |
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0x3c6ef372fe94f82bULL, |
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0xa54ff53a5f1d36f1ULL, |
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0x510e527fade682d1ULL, |
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0x9b05688c2b3e6c1fULL, |
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0x1f83d9abfb41bd6bULL, |
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0x5be0cd19137e2179ULL |
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}; |
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__device__ __constant__ |
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const uint64_t c_u512[16] = |
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{ |
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0x243f6a8885a308d3ULL, 0x13198a2e03707344ULL, |
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0xa4093822299f31d0ULL, 0x082efa98ec4e6c89ULL, |
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0x452821e638d01377ULL, 0xbe5466cf34e90c6cULL, |
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0xc0ac29b7c97c50ddULL, 0x3f84d5b5b5470917ULL, |
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0x9216d5d98979fb1bULL, 0xd1310ba698dfb5acULL, |
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0x2ffd72dbd01adfb7ULL, 0xb8e1afed6a267e96ULL, |
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0xba7c9045f12c7f99ULL, 0x24a19947b3916cf7ULL, |
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0x0801f2e2858efc16ULL, 0x636920d871574e69ULL |
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}; |
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#define G(a,b,c,d,x) { \ |
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uint32_t idx1 = c_sigma[i][x]; \ |
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uint32_t idx2 = c_sigma[i][x+1]; \ |
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v[a] += (m[idx1] ^ c_u512[idx2]) + v[b]; \ |
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v[d] = SWAPDWORDS(v[d] ^ v[a]); \ |
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v[c] += v[d]; \ |
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v[b] = ROTR64(v[b] ^ v[c], 25); \ |
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v[a] += (m[idx2] ^ c_u512[idx1]) + v[b]; \ |
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v[d] = ROTR64(v[d] ^ v[a], 16); \ |
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v[c] += v[d]; \ |
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v[b] = ROTR64(v[b] ^ v[c], 11); \ |
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} |
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// Hash-Padding |
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__device__ __constant__ |
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static const uint64_t d_constHashPadding[8] = { |
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0x0000000000000080ull, |
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0, |
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0, |
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0, |
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0, |
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0x0100000000000000ull, |
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0, |
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0x0002000000000000ull |
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}; |
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__device__ static |
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void pentablake_compress(uint64_t *h, const uint64_t *block, const uint64_t T0) |
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{ |
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uint64_t v[16], m[16], i; |
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#pragma unroll 16 |
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for(i = 0; i < 16; i++) { |
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m[i] = cuda_swab64(block[i]); |
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} |
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#pragma unroll 8 |
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for (i = 0; i < 8; i++) |
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v[i] = h[i]; |
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v[ 8] = c_u512[0]; |
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v[ 9] = c_u512[1]; |
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v[10] = c_u512[2]; |
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v[11] = c_u512[3]; |
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v[12] = c_u512[4] ^ T0; |
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v[13] = c_u512[5] ^ T0; |
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v[14] = c_u512[6]; |
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v[15] = c_u512[7]; |
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//#pragma unroll 16 |
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for( i = 0; i < 16; i++) |
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{ |
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/* column step */ |
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G(0, 4, 0x8, 0xC, 0x0); |
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G(1, 5, 0x9, 0xD, 0x2); |
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G(2, 6, 0xA, 0xE, 0x4); |
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G(3, 7, 0xB, 0xF, 0x6); |
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/* diagonal step */ |
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G(0, 5, 0xA, 0xF, 0x8); |
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G(1, 6, 0xB, 0xC, 0xA); |
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G(2, 7, 0x8, 0xD, 0xC); |
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G(3, 4, 0x9, 0xE, 0xE); |
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} |
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//#pragma unroll 16 |
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for (i = 0; i < 16; i++) { |
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uint32_t idx = i % 8; |
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h[idx] ^= v[i]; |
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} |
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} |
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__global__ |
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void pentablake_gpu_hash_80(uint32_t threads, const uint32_t startNounce, void *outputHash) |
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{ |
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uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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uint64_t h[8]; |
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uint64_t buf[16]; |
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uint32_t nounce = startNounce + thread; |
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//#pragma unroll 8 |
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for(int i=0; i<8; i++) |
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h[i] = c_IV512[i]; |
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//#pragma unroll 16 |
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for (int i=0; i < 16; i++) |
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buf[i] = c_data[i]; |
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// The test Nonce |
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((uint32_t*)buf)[19] = cuda_swab32(nounce); |
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pentablake_compress(h, buf, 640ULL); |
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#if __CUDA_ARCH__ < 300 |
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uint32_t *outHash = (uint32_t *)outputHash + 16 * thread; |
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#pragma unroll 8 |
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for (uint32_t i=0; i < 8; i++) { |
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outHash[2*i] = cuda_swab32( _HIDWORD(h[i]) ); |
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outHash[2*i+1] = cuda_swab32( _LODWORD(h[i]) ); |
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} |
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#else |
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uint64_t *outHash = (uint64_t *)outputHash + 8 * thread; |
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for (uint32_t i=0; i < 8; i++) { |
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outHash[i] = cuda_swab64( h[i] ); |
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} |
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#endif |
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} |
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} |
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__host__ |
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void pentablake_cpu_hash_80(int thr_id, uint32_t threads, const uint32_t startNounce, uint32_t *d_outputHash, int order) |
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{ |
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const uint32_t threadsperblock = TPB; |
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dim3 grid((threads + threadsperblock-1)/threadsperblock); |
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dim3 block(threadsperblock); |
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size_t shared_size = 0; |
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pentablake_gpu_hash_80 <<<grid, block, shared_size>>> (threads, startNounce, d_outputHash); |
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MyStreamSynchronize(NULL, order, thr_id); |
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} |
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__global__ |
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void pentablake_gpu_hash_64(uint32_t threads, uint32_t startNounce, uint64_t *g_hash) |
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{ |
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uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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uint64_t *inpHash = &g_hash[thread<<3]; // hashPosition * 8 |
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uint64_t buf[16]; // 128 Bytes |
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uint64_t h[8]; // State |
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#pragma unroll 8 |
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for (int i=0; i<8; i++) |
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h[i] = c_IV512[i]; |
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// Message for first round |
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#pragma unroll 8 |
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for (int i=0; i < 8; ++i) |
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buf[i] = inpHash[i]; |
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#pragma unroll 8 |
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for (int i=0; i < 8; i++) |
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buf[i+8] = d_constHashPadding[i]; |
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// Ending round |
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pentablake_compress(h, buf, 512); |
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#if __CUDA_ARCH__ < 300 |
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uint32_t *outHash = (uint32_t*)&g_hash[thread<<3]; |
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#pragma unroll 8 |
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for (int i=0; i < 8; i++) { |
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outHash[2*i+0] = cuda_swab32( _HIDWORD(h[i]) ); |
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outHash[2*i+1] = cuda_swab32( _LODWORD(h[i]) ); |
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} |
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#else |
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uint64_t *outHash = &g_hash[thread<<3]; |
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for (int i=0; i < 8; i++) { |
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outHash[i] = cuda_swab64(h[i]); |
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} |
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#endif |
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} |
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} |
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__host__ |
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void pentablake_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_outputHash, int order) |
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{ |
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const uint32_t threadsperblock = TPB; |
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dim3 grid((threads + threadsperblock-1)/threadsperblock); |
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dim3 block(threadsperblock); |
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size_t shared_size = 0; |
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pentablake_gpu_hash_64 <<<grid, block, shared_size>>> (threads, startNounce, (uint64_t*)d_outputHash); |
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MyStreamSynchronize(NULL, order, thr_id); |
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} |
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__global__ |
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void pentablake_gpu_check_hash(uint32_t threads, uint32_t startNounce, uint32_t *g_hash, uint32_t *resNounce) |
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{ |
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uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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uint32_t nounce = startNounce + thread; |
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uint32_t *inpHash = &g_hash[thread<<4]; |
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uint32_t h[8]; |
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#pragma unroll 8 |
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for (int i=0; i < 8; i++) |
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h[i] = inpHash[i]; |
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for (int i = 7; i >= 0; i--) { |
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uint32_t hash = h[i]; // cuda_swab32(h[i]); |
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if (hash > c_Target[i]) { |
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return; |
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} |
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if (hash < c_Target[i]) { |
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break; |
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} |
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} |
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/* keep the smallest nounce, + extra one if found */ |
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if (resNounce[0] > nounce) { |
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resNounce[1] = resNounce[0]; |
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resNounce[0] = nounce; |
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} |
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else |
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resNounce[1] = nounce; |
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} |
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} |
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__host__ static |
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uint32_t pentablake_check_hash(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_inputHash, int order) |
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{ |
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const uint32_t threadsperblock = TPB; |
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uint32_t result = UINT32_MAX; |
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dim3 grid((threads + threadsperblock-1)/threadsperblock); |
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dim3 block(threadsperblock); |
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size_t shared_size = 0; |
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/* Check error on Ctrl+C or kill to prevent segfaults on exit */ |
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if (cudaMemset(d_resNounce[thr_id], 0xff, 2*sizeof(uint32_t)) != cudaSuccess) |
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return result; |
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pentablake_gpu_check_hash <<<grid, block, shared_size>>> (threads, startNounce, d_inputHash, d_resNounce[thr_id]); |
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CUDA_SAFE_CALL(cudaThreadSynchronize()); |
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if (cudaSuccess == cudaMemcpy(h_resNounce[thr_id], d_resNounce[thr_id], 2*sizeof(uint32_t), cudaMemcpyDeviceToHost)) { |
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cudaThreadSynchronize(); |
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result = h_resNounce[thr_id][0]; |
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extra_results[0] = h_resNounce[thr_id][1]; |
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} |
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return result; |
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} |
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__host__ |
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void pentablake_cpu_setBlock_80(uint32_t *pdata, const uint32_t *ptarget) |
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{ |
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uint8_t data[128]; |
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memcpy((void*) data, (void*) pdata, 80); |
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memset(data+80, 0, 48); |
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// to swab... |
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data[80] = 0x80; |
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data[111] = 1; |
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data[126] = 0x02; |
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data[127] = 0x80; |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_data, data, sizeof(data), 0, cudaMemcpyHostToDevice)); |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_sigma, host_sigma, sizeof(host_sigma), 0, cudaMemcpyHostToDevice)); |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_Target, ptarget, 32, 0, cudaMemcpyHostToDevice)); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_pentablake(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done) |
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{ |
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uint32_t _ALIGN(64) endiandata[20]; |
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uint32_t *pdata = work->data; |
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uint32_t *ptarget = work->target; |
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const uint32_t first_nonce = pdata[19]; |
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int rc = 0; |
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uint32_t throughput = device_intensity(thr_id, __func__, 128U * 2560); // 18.5 |
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throughput = min(throughput, max_nonce - first_nonce); |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x000F; |
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if (!init[thr_id]) { |
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if (active_gpus > 1) { |
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cudaSetDevice(device_map[thr_id]); |
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} |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput)); |
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CUDA_SAFE_CALL(cudaMallocHost(&h_resNounce[thr_id], 2*sizeof(uint32_t))); |
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CUDA_SAFE_CALL(cudaMalloc(&d_resNounce[thr_id], 2*sizeof(uint32_t))); |
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init[thr_id] = true; |
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} |
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for (int k=0; k < 20; k++) |
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be32enc(&endiandata[k], pdata[k]); |
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pentablake_cpu_setBlock_80(endiandata, ptarget); |
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do { |
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int order = 0; |
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// GPU HASH |
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pentablake_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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pentablake_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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uint32_t foundNonce = pentablake_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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if (foundNonce != UINT32_MAX) |
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{ |
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uint32_t vhash[8]; |
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be32enc(&endiandata[19], foundNonce); |
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pentablakehash(vhash, endiandata); |
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if (vhash[7] <= ptarget[7] && fulltest(vhash, ptarget)) { |
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rc = 1; |
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work_set_target_ratio(work, vhash); |
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if (extra_results[0] != UINT32_MAX) { |
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// Rare but possible if the throughput is big |
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be32enc(&endiandata[19], extra_results[0]); |
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pentablakehash(vhash, endiandata); |
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if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio) |
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work_set_target_ratio(work, vhash); |
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applog(LOG_NOTICE, "GPU found more than one result yippee!"); |
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pdata[21] = extra_results[0]; |
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extra_results[0] = UINT32_MAX; |
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rc++; |
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} |
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pdata[19] = foundNonce; |
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return rc; |
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} else { |
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applog(LOG_WARNING, "GPU #%d: result for nounce %08x does not validate on CPU!", device_map[thr_id], foundNonce); |
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} |
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} |
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pdata[19] += throughput; |
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} while (pdata[19] < max_nonce && !work_restart[thr_id].restart); |
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*hashes_done = pdata[19] - first_nonce + 1; |
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return rc; |
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} |
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// cleanup |
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void free_pentablake(int thr_id) |
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{ |
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if (!init[thr_id]) |
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return; |
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cudaSetDevice(device_map[thr_id]); |
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cudaFree(d_hash[thr_id]); |
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cudaFreeHost(h_resNounce[thr_id]); |
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cudaFree(d_resNounce[thr_id]); |
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init[thr_id] = false; |
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cudaDeviceSynchronize(); |
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} |