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488 lines
13 KiB
488 lines
13 KiB
/** |
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* SKEIN512 80 + SHA256 64 |
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* by tpruvot@github - 2015 |
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*/ |
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#include "sph/sph_skein.h" |
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#include "miner.h" |
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#include "cuda_helper.h" |
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#include <openssl/sha.h> |
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static uint32_t *d_hash[MAX_GPUS]; |
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static __thread bool sm5 = true; |
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extern void quark_skein512_cpu_init(int thr_id, uint32_t threads); |
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extern void skein512_cpu_setBlock_80(void *pdata); |
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extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap); |
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extern void skeincoin_init(int thr_id); |
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extern void skeincoin_free(int thr_id); |
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extern void skeincoin_setBlock_80(int thr_id, void *pdata); |
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extern uint32_t skeincoin_hash_sm5(int thr_id, uint32_t threads, uint32_t startNounce, int swap, uint64_t target64, uint32_t *secNonce); |
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static __device__ __constant__ uint32_t sha256_hashTable[] = { |
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0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 |
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}; |
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static __device__ __constant__ uint32_t sha256_constantTable[64] = { |
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, |
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, |
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, |
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, |
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, |
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, |
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, |
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 |
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}; |
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static __device__ __constant__ uint32_t sha256_endingTable[] = { |
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0x80000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, |
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000200, |
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0x80000000, 0x01400000, 0x00205000, 0x00005088, 0x22000800, 0x22550014, 0x05089742, 0xa0000020, |
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0x5a880000, 0x005c9400, 0x0016d49d, 0xfa801f00, 0xd33225d0, 0x11675959, 0xf6e6bfda, 0xb30c1549, |
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0x08b2b050, 0x9d7c4c27, 0x0ce2a393, 0x88e6e1ea, 0xa52b4335, 0x67a16f49, 0xd732016f, 0x4eeb2e91, |
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0x5dbf55e5, 0x8eee2335, 0xe2bc5ec2, 0xa83f4394, 0x45ad78f7, 0x36f3d0cd, 0xd99c05e8, 0xb0511dc7, |
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0x69bc7ac4, 0xbd11375b, 0xe3ba71e5, 0x3b209ff2, 0x18feee17, 0xe25ad9e7, 0x13375046, 0x0515089d, |
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0x4f0d0f04, 0x2627484e, 0x310128d2, 0xc668b434, 0x420841cc, 0x62d311b8, 0xe59ba771, 0x85a7a484 |
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}; |
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/* Elementary functions used by SHA256 */ |
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#define SWAB32(x) cuda_swab32(x) |
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//#define ROTR32(x,n) SPH_ROTR32(x,n) |
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#define R(x, n) ((x) >> (n)) |
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#define Ch(x, y, z) ((x & (y ^ z)) ^ z) |
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#define Maj(x, y, z) ((x & (y | z)) | (y & z)) |
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#define S0(x) (ROTR32(x, 2) ^ ROTR32(x, 13) ^ ROTR32(x, 22)) |
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#define S1(x) (ROTR32(x, 6) ^ ROTR32(x, 11) ^ ROTR32(x, 25)) |
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#define s0(x) (ROTR32(x, 7) ^ ROTR32(x, 18) ^ R(x, 3)) |
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#define s1(x) (ROTR32(x, 17) ^ ROTR32(x, 19) ^ R(x, 10)) |
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#define ADVANCED_SHA2 |
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#ifndef ADVANCED_SHA2 |
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/* SHA256 round function */ |
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#define RND(a, b, c, d, e, f, g, h, k) \ |
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do { \ |
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t0 = h + S1(e) + Ch(e, f, g) + k; \ |
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t1 = S0(a) + Maj(a, b, c); \ |
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d += t0; \ |
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h = t0 + t1; \ |
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} while (0) |
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/* Adjusted round function for rotating state */ |
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#define RNDr(S, W, i) \ |
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RND(S[(64 - i) & 7], S[(65 - i) & 7], \ |
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S[(66 - i) & 7], S[(67 - i) & 7], \ |
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S[(68 - i) & 7], S[(69 - i) & 7], \ |
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S[(70 - i) & 7], S[(71 - i) & 7], \ |
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W[i] + sha256_constantTable[i]) |
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static __constant__ uint32_t sha256_ending[16] = { |
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0x80000000UL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x200UL |
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}; |
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__device__ |
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void sha256_transform_gpu(uint32_t *state, uint32_t *message) |
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{ |
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uint32_t S[8]; |
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uint32_t W[64]; |
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uint32_t t0, t1; |
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/* Initialize work variables. */ |
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for (int i = 0; i < 8; i++) { |
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S[i] = state[i]; |
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} |
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for (int i = 0; i < 16; i++) { |
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W[i] = message[i]; |
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} |
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for (int i = 16; i < 64; i += 2) { |
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W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16]; |
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W[i + 1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15]; |
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} |
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/* 3. Mix. */ |
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#pragma unroll |
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for (int i = 0; i < 64; i++) { |
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RNDr(S, W, i); |
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} |
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for (int i = 0; i < 8; i++) |
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state[i] += S[i]; |
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} |
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#endif |
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#ifdef ADVANCED_SHA2 |
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__device__ |
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void skeincoin_gpu_sha256(uint32_t *message) |
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{ |
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uint32_t W1[16]; |
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uint32_t W2[16]; |
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uint32_t regs[8]; |
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uint32_t hash[8]; |
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// Init with Hash-Table |
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#pragma unroll 8 |
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for (int k=0; k < 8; k++) { |
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hash[k] = regs[k] = sha256_hashTable[k]; |
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} |
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#pragma unroll 16 |
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for (int k = 0; k<16; k++) |
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W1[k] = SWAB32(message[k]); |
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// Progress W1 |
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#pragma unroll 16 |
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for (int j = 0; j<16; j++) |
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{ |
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uint32_t T1, T2; |
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j] + W1[j]; |
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]); |
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#pragma unroll 7 |
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for (int k = 6; k >= 0; k--) regs[k + 1] = regs[k]; |
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regs[0] = T1 + T2; |
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regs[4] += T1; |
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} |
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// Progress W2...W3 |
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////// PART 1 |
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#pragma unroll 2 |
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for (int j = 0; j<2; j++) |
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W2[j] = s1(W1[14 + j]) + W1[9 + j] + s0(W1[1 + j]) + W1[j]; |
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#pragma unroll 5 |
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for (int j = 2; j<7; j++) |
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W2[j] = s1(W2[j - 2]) + W1[9 + j] + s0(W1[1 + j]) + W1[j]; |
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#pragma unroll 8 |
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for (int j = 7; j<15; j++) |
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W2[j] = s1(W2[j - 2]) + W2[j - 7] + s0(W1[1 + j]) + W1[j]; |
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W2[15] = s1(W2[13]) + W2[8] + s0(W2[0]) + W1[15]; |
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// Round function |
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#pragma unroll 16 |
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for (int j = 0; j<16; j++) |
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{ |
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uint32_t T1, T2; |
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 16] + W2[j]; |
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]); |
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#pragma unroll 7 |
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l]; |
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regs[0] = T1 + T2; |
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regs[4] += T1; |
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} |
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////// PART 2 |
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#pragma unroll 2 |
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for (int j = 0; j<2; j++) |
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W1[j] = s1(W2[14 + j]) + W2[9 + j] + s0(W2[1 + j]) + W2[j]; |
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#pragma unroll 5 |
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for (int j = 2; j<7; j++) |
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W1[j] = s1(W1[j - 2]) + W2[9 + j] + s0(W2[1 + j]) + W2[j]; |
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#pragma unroll 8 |
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for (int j = 7; j<15; j++) |
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W1[j] = s1(W1[j - 2]) + W1[j - 7] + s0(W2[1 + j]) + W2[j]; |
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W1[15] = s1(W1[13]) + W1[8] + s0(W1[0]) + W2[15]; |
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// Round function |
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#pragma unroll 16 |
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for (int j = 0; j<16; j++) |
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{ |
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uint32_t T1, T2; |
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 32] + W1[j]; |
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]); |
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#pragma unroll 7 |
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l]; |
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regs[0] = T1 + T2; |
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regs[4] += T1; |
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} |
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////// PART 3 |
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#pragma unroll 2 |
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for (int j = 0; j<2; j++) |
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W2[j] = s1(W1[14 + j]) + W1[9 + j] + s0(W1[1 + j]) + W1[j]; |
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#pragma unroll 5 |
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for (int j = 2; j<7; j++) |
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W2[j] = s1(W2[j - 2]) + W1[9 + j] + s0(W1[1 + j]) + W1[j]; |
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#pragma unroll 8 |
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for (int j = 7; j<15; j++) |
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W2[j] = s1(W2[j - 2]) + W2[j - 7] + s0(W1[1 + j]) + W1[j]; |
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W2[15] = s1(W2[13]) + W2[8] + s0(W2[0]) + W1[15]; |
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// Round function |
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#pragma unroll 16 |
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for (int j = 0; j<16; j++) |
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{ |
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uint32_t T1, T2; |
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 48] + W2[j]; |
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]); |
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#pragma unroll 7 |
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l]; |
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regs[0] = T1 + T2; |
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regs[4] += T1; |
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} |
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#pragma unroll 8 |
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for (int k = 0; k<8; k++) |
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hash[k] += regs[k]; |
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#if 1 |
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///// |
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///// Second Pass (ending) |
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///// |
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#pragma unroll 8 |
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for (int k = 0; k<8; k++) |
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regs[k] = hash[k]; |
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// Progress W1 |
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#pragma unroll 64 |
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for (int j = 0; j<64; j++) |
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{ |
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uint32_t T1, T2; |
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j] + sha256_endingTable[j]; |
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]); |
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#pragma unroll 7 |
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for (int k = 6; k >= 0; k--) regs[k + 1] = regs[k]; |
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regs[0] = T1 + T2; |
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regs[4] += T1; |
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} |
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#pragma unroll 8 |
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for (int k = 0; k<8; k++) |
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hash[k] += regs[k]; |
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// Final Hash |
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#pragma unroll 8 |
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for (int k = 0; k<8; k++) |
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message[k] = SWAB32(hash[k]); |
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#else |
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// sha256_transform only, require an additional sha256_transform_gpu() call |
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#pragma unroll 8 |
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for (int k = 0; k<8; k++) |
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message[k] = hash[k]; |
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#endif |
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} |
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#endif |
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__global__ |
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void sha2_gpu_hash_64(uint32_t threads, uint32_t startNounce, uint32_t *hashBuffer) |
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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 *hash = &hashBuffer[thread << 4]; |
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#ifdef ADVANCED_SHA2 |
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skeincoin_gpu_sha256(hash); |
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#else |
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uint32_t state[16]; |
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uint32_t msg[16]; |
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#pragma unroll |
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for (int i = 0; i < 8; i++) |
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state[i] = sha256_hashTable[i]; |
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#pragma unroll |
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for (int i = 0; i < 16; i++) |
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msg[i] = SWAB32(hash[i]); |
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sha256_transform_gpu(state, msg); |
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sha256_transform_gpu(state, sha256_ending); |
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#pragma unroll |
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for (int i = 0; i < 8; i++) |
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hash[i] = SWAB32(state[i]); |
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#endif |
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} |
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} |
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__host__ |
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void sha2_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_outputHashes) |
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{ |
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uint32_t threadsperblock = 128; |
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dim3 block(threadsperblock); |
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dim3 grid((threads + threadsperblock - 1) / threadsperblock); |
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sha2_gpu_hash_64 <<< grid, block >>>(threads, startNounce, d_outputHashes); |
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// required once per scan loop to prevent cpu 100% usage (linux) |
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MyStreamSynchronize(NULL, 0, thr_id); |
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} |
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extern "C" void skeincoinhash(void *output, const void *input) |
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{ |
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sph_skein512_context ctx_skein; |
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SHA256_CTX sha256; |
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uint32_t hash[16]; |
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sph_skein512_init(&ctx_skein); |
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sph_skein512(&ctx_skein, input, 80); |
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sph_skein512_close(&ctx_skein, hash); |
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SHA256_Init(&sha256); |
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SHA256_Update(&sha256, (unsigned char *)hash, 64); |
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SHA256_Final((unsigned char *)hash, &sha256); |
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memcpy(output, hash, 32); |
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} |
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static __inline uint32_t swab32_if(uint32_t val, bool iftrue) { |
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return iftrue ? swab32(val) : val; |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_skeincoin(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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const int swap = 1; |
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sm5 = (device_sm[device_map[thr_id]] >= 500); |
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bool checkSecnonce = (have_stratum || have_longpoll) && !sm5; |
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uint32_t throughput = cuda_default_throughput(thr_id, 1U << 20); |
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if (init[thr_id]) throughput = min(throughput, (max_nonce - first_nonce)); |
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uint32_t foundNonce, secNonce = 0; |
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uint64_t target64 = 0; |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x03; |
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if (!init[thr_id]) |
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{ |
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cudaSetDevice(device_map[thr_id]); |
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if (sm5) { |
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skeincoin_init(thr_id); |
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} else { |
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cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput); |
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quark_skein512_cpu_init(thr_id, throughput); |
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cuda_check_cpu_init(thr_id, throughput); |
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CUDA_SAFE_CALL(cudaDeviceSynchronize()); |
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} |
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init[thr_id] = true; |
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} |
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for (int k=0; k < 19; k++) |
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be32enc(&endiandata[k], pdata[k]); |
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if (sm5) { |
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skeincoin_setBlock_80(thr_id, (void*)endiandata); |
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target64 = ((uint64_t*)ptarget)[3]; |
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} else { |
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skein512_cpu_setBlock_80((void*)endiandata); |
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cuda_check_cpu_setTarget(ptarget); |
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} |
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do { |
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// Hash with CUDA |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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if (sm5) { |
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/* cuda_skeincoin.cu */ |
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foundNonce = skeincoin_hash_sm5(thr_id, throughput, pdata[19], swap, target64, &secNonce); |
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} else { |
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/* quark/cuda_skein512.cu */ |
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skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], swap); |
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sha2_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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} |
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if (foundNonce != UINT32_MAX) |
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{ |
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uint32_t _ALIGN(64) vhash[8]; |
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endiandata[19] = swab32_if(foundNonce, swap); |
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skeincoinhash(vhash, endiandata); |
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if (vhash[7] <= ptarget[7] && fulltest(vhash, ptarget)) { |
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int res = 1; |
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uint8_t num = res; |
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work_set_target_ratio(work, vhash); |
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if (checkSecnonce) { |
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secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], num); |
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} |
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while (secNonce != 0 && res < 2) /* todo: up to 6 */ |
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{ |
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endiandata[19] = swab32_if(secNonce, swap); |
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skeincoinhash(vhash, endiandata); |
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if (vhash[7] <= ptarget[7] && fulltest(vhash, ptarget)) { |
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// todo: use 19 20 21... zr5 pok to adapt... |
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endiandata[19] = swab32_if(secNonce, swap); |
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skeincoinhash(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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pdata[19+res*2] = swab32_if(secNonce, !swap); |
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res++; |
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} |
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num++; |
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//if (checkSecnonce) |
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// secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], num); |
|
//else |
|
break; // only one secNonce... |
|
} |
|
if (res > 1 && opt_debug) |
|
applog(LOG_BLUE, "GPU #%d: %d/%d valid nonces !!!", device_map[thr_id], res, (int)num); |
|
pdata[19] = swab32_if(foundNonce, !swap); |
|
return res; |
|
} |
|
else { |
|
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce); |
|
} |
|
} |
|
|
|
if ((uint64_t) throughput + pdata[19] >= max_nonce) { |
|
pdata[19] = max_nonce; |
|
break; |
|
} |
|
|
|
pdata[19] += throughput; |
|
|
|
} while (!work_restart[thr_id].restart); |
|
|
|
*hashes_done = pdata[19] - first_nonce; |
|
|
|
return 0; |
|
} |
|
|
|
// cleanup |
|
extern "C" void free_skeincoin(int thr_id) |
|
{ |
|
if (!init[thr_id]) |
|
return; |
|
|
|
cudaThreadSynchronize(); |
|
|
|
if (sm5) |
|
skeincoin_free(thr_id); |
|
else { |
|
cudaFree(d_hash[thr_id]); |
|
cuda_check_cpu_free(thr_id); |
|
} |
|
|
|
init[thr_id] = false; |
|
|
|
cudaDeviceSynchronize(); |
|
}
|
|
|