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302 lines
10 KiB
302 lines
10 KiB
#include "miner.h" |
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extern "C" { |
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#include <stdint.h> |
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#include <memory.h> |
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} |
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#include "cuda_helper.h" |
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static const uint64_t host_keccak_round_constants[24] = { |
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0x0000000000000001ull, 0x0000000000008082ull, |
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0x800000000000808aull, 0x8000000080008000ull, |
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0x000000000000808bull, 0x0000000080000001ull, |
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0x8000000080008081ull, 0x8000000000008009ull, |
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0x000000000000008aull, 0x0000000000000088ull, |
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0x0000000080008009ull, 0x000000008000000aull, |
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0x000000008000808bull, 0x800000000000008bull, |
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0x8000000000008089ull, 0x8000000000008003ull, |
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0x8000000000008002ull, 0x8000000000000080ull, |
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0x000000000000800aull, 0x800000008000000aull, |
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0x8000000080008081ull, 0x8000000000008080ull, |
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0x0000000080000001ull, 0x8000000080008008ull |
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}; |
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uint32_t *d_nounce[8]; |
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uint32_t *d_KNonce[8]; |
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__constant__ uint32_t pTarget[8]; |
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__constant__ uint64_t keccak_round_constants[24]; |
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__constant__ uint64_t c_PaddedMessage80[10]; // padded message (80 bytes + padding?) |
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#if __CUDA_ARCH__ >= 350 |
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__device__ __forceinline__ |
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static void keccak_blockv35(uint2 *s, const uint64_t *keccak_round_constants) |
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{ |
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size_t i; |
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uint2 t[5], u[5], v, w; |
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#pragma unroll |
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for (i = 0; i < 24; i++) { |
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/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
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t[0] = s[0] ^ s[5] ^ s[10] ^ s[15] ^ s[20]; |
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t[1] = s[1] ^ s[6] ^ s[11] ^ s[16] ^ s[21]; |
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t[2] = s[2] ^ s[7] ^ s[12] ^ s[17] ^ s[22]; |
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t[3] = s[3] ^ s[8] ^ s[13] ^ s[18] ^ s[23]; |
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t[4] = s[4] ^ s[9] ^ s[14] ^ s[19] ^ s[24]; |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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u[0] = t[4] ^ ROL2(t[1], 1); |
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u[1] = t[0] ^ ROL2(t[2], 1); |
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u[2] = t[1] ^ ROL2(t[3], 1); |
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u[3] = t[2] ^ ROL2(t[4], 1); |
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u[4] = t[3] ^ ROL2(t[0], 1); |
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/* theta: a[0,i], a[1,i], .. a[4,i] ^= d[i] */ |
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s[0] ^= u[0]; s[5] ^= u[0]; s[10] ^= u[0]; s[15] ^= u[0]; s[20] ^= u[0]; |
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s[1] ^= u[1]; s[6] ^= u[1]; s[11] ^= u[1]; s[16] ^= u[1]; s[21] ^= u[1]; |
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s[2] ^= u[2]; s[7] ^= u[2]; s[12] ^= u[2]; s[17] ^= u[2]; s[22] ^= u[2]; |
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s[3] ^= u[3]; s[8] ^= u[3]; s[13] ^= u[3]; s[18] ^= u[3]; s[23] ^= u[3]; |
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s[4] ^= u[4]; s[9] ^= u[4]; s[14] ^= u[4]; s[19] ^= u[4]; s[24] ^= u[4]; |
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/* rho pi: b[..] = rotl(a[..], ..) */ |
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v = s[1]; |
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s[1] = ROL2(s[6], 44); |
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s[6] = ROL2(s[9], 20); |
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s[9] = ROL2(s[22], 61); |
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s[22] = ROL2(s[14], 39); |
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s[14] = ROL2(s[20], 18); |
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s[20] = ROL2(s[2], 62); |
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s[2] = ROL2(s[12], 43); |
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s[12] = ROL2(s[13], 25); |
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s[13] = ROL2(s[19], 8); |
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s[19] = ROL2(s[23], 56); |
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s[23] = ROL2(s[15], 41); |
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s[15] = ROL2(s[4], 27); |
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s[4] = ROL2(s[24], 14); |
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s[24] = ROL2(s[21], 2); |
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s[21] = ROL2(s[8], 55); |
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s[8] = ROL2(s[16], 45); |
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s[16] = ROL2(s[5], 36); |
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s[5] = ROL2(s[3], 28); |
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s[3] = ROL2(s[18], 21); |
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s[18] = ROL2(s[17], 15); |
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s[17] = ROL2(s[11], 10); |
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s[11] = ROL2(s[7], 6); |
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s[7] = ROL2(s[10], 3); |
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s[10] = ROL2(v, 1); |
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/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */ |
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v = s[0]; w = s[1]; s[0] ^= (~w) & s[2]; s[1] ^= (~s[2]) & s[3]; s[2] ^= (~s[3]) & s[4]; s[3] ^= (~s[4]) & v; s[4] ^= (~v) & w; |
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v = s[5]; w = s[6]; s[5] ^= (~w) & s[7]; s[6] ^= (~s[7]) & s[8]; s[7] ^= (~s[8]) & s[9]; s[8] ^= (~s[9]) & v; s[9] ^= (~v) & w; |
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v = s[10]; w = s[11]; s[10] ^= (~w) & s[12]; s[11] ^= (~s[12]) & s[13]; s[12] ^= (~s[13]) & s[14]; s[13] ^= (~s[14]) & v; s[14] ^= (~v) & w; |
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v = s[15]; w = s[16]; s[15] ^= (~w) & s[17]; s[16] ^= (~s[17]) & s[18]; s[17] ^= (~s[18]) & s[19]; s[18] ^= (~s[19]) & v; s[19] ^= (~v) & w; |
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v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w; |
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/* iota: a[0,0] ^= round constant */ |
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s[0] ^= vectorize(keccak_round_constants[i]); |
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} |
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} |
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#else |
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__device__ __forceinline__ |
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static void keccak_blockv30(uint64_t *s, const uint64_t *keccak_round_constants) |
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{ |
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size_t i; |
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uint64_t t[5], u[5], v, w; |
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/* absorb input */ |
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for (i = 0; i < 24; i++) { |
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/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
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t[0] = s[0] ^ s[5] ^ s[10] ^ s[15] ^ s[20]; |
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t[1] = s[1] ^ s[6] ^ s[11] ^ s[16] ^ s[21]; |
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t[2] = s[2] ^ s[7] ^ s[12] ^ s[17] ^ s[22]; |
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t[3] = s[3] ^ s[8] ^ s[13] ^ s[18] ^ s[23]; |
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t[4] = s[4] ^ s[9] ^ s[14] ^ s[19] ^ s[24]; |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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u[0] = t[4] ^ ROTL64(t[1], 1); |
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u[1] = t[0] ^ ROTL64(t[2], 1); |
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u[2] = t[1] ^ ROTL64(t[3], 1); |
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u[3] = t[2] ^ ROTL64(t[4], 1); |
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u[4] = t[3] ^ ROTL64(t[0], 1); |
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/* theta: a[0,i], a[1,i], .. a[4,i] ^= d[i] */ |
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s[0] ^= u[0]; s[5] ^= u[0]; s[10] ^= u[0]; s[15] ^= u[0]; s[20] ^= u[0]; |
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s[1] ^= u[1]; s[6] ^= u[1]; s[11] ^= u[1]; s[16] ^= u[1]; s[21] ^= u[1]; |
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s[2] ^= u[2]; s[7] ^= u[2]; s[12] ^= u[2]; s[17] ^= u[2]; s[22] ^= u[2]; |
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s[3] ^= u[3]; s[8] ^= u[3]; s[13] ^= u[3]; s[18] ^= u[3]; s[23] ^= u[3]; |
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s[4] ^= u[4]; s[9] ^= u[4]; s[14] ^= u[4]; s[19] ^= u[4]; s[24] ^= u[4]; |
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/* rho pi: b[..] = rotl(a[..], ..) */ |
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v = s[ 1]; |
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s[ 1] = ROTL64(s[ 6], 44); |
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s[ 6] = ROTL64(s[ 9], 20); |
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s[ 9] = ROTL64(s[22], 61); |
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s[22] = ROTL64(s[14], 39); |
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s[14] = ROTL64(s[20], 18); |
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s[20] = ROTL64(s[ 2], 62); |
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s[ 2] = ROTL64(s[12], 43); |
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s[12] = ROTL64(s[13], 25); |
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s[13] = ROTL64(s[19], 8); |
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s[19] = ROTL64(s[23], 56); |
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s[23] = ROTL64(s[15], 41); |
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s[15] = ROTL64(s[ 4], 27); |
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s[ 4] = ROTL64(s[24], 14); |
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s[24] = ROTL64(s[21], 2); |
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s[21] = ROTL64(s[ 8], 55); |
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s[ 8] = ROTL64(s[16], 45); |
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s[16] = ROTL64(s[ 5], 36); |
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s[ 5] = ROTL64(s[ 3], 28); |
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s[ 3] = ROTL64(s[18], 21); |
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s[18] = ROTL64(s[17], 15); |
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s[17] = ROTL64(s[11], 10); |
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s[11] = ROTL64(s[ 7], 6); |
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s[ 7] = ROTL64(s[10], 3); |
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s[10] = ROTL64( v, 1); |
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/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */ |
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v = s[ 0]; w = s[ 1]; s[ 0] ^= (~w) & s[ 2]; s[ 1] ^= (~s[ 2]) & s[ 3]; s[ 2] ^= (~s[ 3]) & s[ 4]; s[ 3] ^= (~s[ 4]) & v; s[ 4] ^= (~v) & w; |
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v = s[ 5]; w = s[ 6]; s[ 5] ^= (~w) & s[ 7]; s[ 6] ^= (~s[ 7]) & s[ 8]; s[ 7] ^= (~s[ 8]) & s[ 9]; s[ 8] ^= (~s[ 9]) & v; s[ 9] ^= (~v) & w; |
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v = s[10]; w = s[11]; s[10] ^= (~w) & s[12]; s[11] ^= (~s[12]) & s[13]; s[12] ^= (~s[13]) & s[14]; s[13] ^= (~s[14]) & v; s[14] ^= (~v) & w; |
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v = s[15]; w = s[16]; s[15] ^= (~w) & s[17]; s[16] ^= (~s[17]) & s[18]; s[17] ^= (~s[18]) & s[19]; s[18] ^= (~s[19]) & v; s[19] ^= (~v) & w; |
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v = s[20]; w = s[21]; s[20] ^= (~w) & s[22]; s[21] ^= (~s[22]) & s[23]; s[22] ^= (~s[23]) & s[24]; s[23] ^= (~s[24]) & v; s[24] ^= (~v) & w; |
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/* iota: a[0,0] ^= round constant */ |
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s[0] ^= keccak_round_constants[i]; |
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} |
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} |
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#endif |
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__global__ __launch_bounds__(128,5) |
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void keccak256_gpu_hash_80(int threads, uint32_t startNounce, void *outputHash, uint32_t *resNounce) |
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{ |
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int 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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#if __CUDA_ARCH__ >= 350 |
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uint2 keccak_gpu_state[25]; |
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#pragma unroll 25 |
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for (int i=0; i<25; i++) { |
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if (i<9) keccak_gpu_state[i] = vectorize(c_PaddedMessage80[i]); |
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else keccak_gpu_state[i] = make_uint2(0, 0); |
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} |
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keccak_gpu_state[9]= vectorize(c_PaddedMessage80[9]); |
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keccak_gpu_state[9].y = cuda_swab32(nounce); |
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keccak_gpu_state[10] = make_uint2(1, 0); |
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keccak_gpu_state[16] = make_uint2(0, 0x80000000); |
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keccak_blockv35(keccak_gpu_state,keccak_round_constants); |
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if (devectorize(keccak_gpu_state[3]) <= ((uint64_t*)pTarget)[3]) {resNounce[0] = nounce;} |
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#else |
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uint64_t keccak_gpu_state[25]; |
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#pragma unroll 25 |
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for (int i=0; i<25; i++) { |
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if (i<9) keccak_gpu_state[i] = c_PaddedMessage80[i]; |
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else keccak_gpu_state[i] = 0; |
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} |
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keccak_gpu_state[9] = REPLACE_HIWORD(c_PaddedMessage80[9], cuda_swab32(nounce)); |
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keccak_gpu_state[10] = 0x0000000000000001; |
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keccak_gpu_state[16] = 0x8000000000000000; |
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keccak_blockv30(keccak_gpu_state, keccak_round_constants); |
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if (keccak_gpu_state[3] <= ((uint64_t*)pTarget)[3]) { resNounce[0] = nounce; } |
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#endif |
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} |
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} |
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__host__ |
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uint32_t keccak256_cpu_hash_80(int thr_id, int threads, uint32_t startNounce, uint32_t *d_outputHash, int order) |
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{ |
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uint32_t result = UINT32_MAX; |
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cudaMemset(d_KNonce[thr_id], 0xff, sizeof(uint32_t)); |
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const int threadsperblock = 128; |
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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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keccak256_gpu_hash_80<<<grid, block, shared_size>>>(threads, startNounce, d_outputHash, d_KNonce[thr_id]); |
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MyStreamSynchronize(NULL, order, thr_id); |
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cudaMemcpy(d_nounce[thr_id], d_KNonce[thr_id], sizeof(uint32_t), cudaMemcpyDeviceToHost); |
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cudaThreadSynchronize(); |
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result = *d_nounce[thr_id]; |
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return result; |
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} |
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__global__ __launch_bounds__(256,3) |
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void keccak256_gpu_hash_32(int threads, uint32_t startNounce, uint64_t *outputHash) |
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{ |
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int thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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#if __CUDA_ARCH__ >= 350 /* tpr: to double check if faster on SM5+ */ |
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uint2 keccak_gpu_state[25]; |
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#pragma unroll 25 |
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for (int i = 0; i<25; i++) { |
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if (i<4) keccak_gpu_state[i] = vectorize(outputHash[i*threads+thread]); |
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else keccak_gpu_state[i] = make_uint2(0, 0); |
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} |
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keccak_gpu_state[4] = make_uint2(1, 0); |
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keccak_gpu_state[16] = make_uint2(0, 0x80000000); |
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keccak_blockv35(keccak_gpu_state, keccak_round_constants); |
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#pragma unroll 4 |
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for (int i=0; i<4; i++) |
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outputHash[i*threads+thread] = devectorize(keccak_gpu_state[i]); |
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#else |
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uint64_t keccak_gpu_state[25]; |
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#pragma unroll 25 |
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for (int i = 0; i<25; i++) { |
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if (i<4) |
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keccak_gpu_state[i] = outputHash[i*threads+thread]; |
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else |
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keccak_gpu_state[i] = 0; |
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} |
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keccak_gpu_state[4] = 0x0000000000000001; |
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keccak_gpu_state[16] = 0x8000000000000000; |
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keccak_blockv30(keccak_gpu_state, keccak_round_constants); |
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#pragma unroll 4 |
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for (int i = 0; i<4; i++) |
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outputHash[i*threads + thread] = keccak_gpu_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 keccak256_cpu_hash_32(int thr_id, int threads, uint32_t startNounce, uint64_t *d_outputHash, int order) |
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{ |
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const int threadsperblock = 256; |
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dim3 grid((threads + threadsperblock - 1) / threadsperblock); |
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dim3 block(threadsperblock); |
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keccak256_gpu_hash_32 <<<grid, block>>> (threads, startNounce, d_outputHash); |
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MyStreamSynchronize(NULL, order, thr_id); |
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} |
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__host__ |
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void keccak256_setBlock_80(void *pdata,const void *pTargetIn) |
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{ |
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unsigned char PaddedMessage[80]; |
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memcpy(PaddedMessage, pdata, 80); |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(pTarget, pTargetIn, 8*sizeof(uint32_t), 0, cudaMemcpyHostToDevice)); |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_PaddedMessage80, PaddedMessage, 10*sizeof(uint64_t), 0, cudaMemcpyHostToDevice)); |
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} |
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__host__ |
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void keccak256_cpu_init(int thr_id, int threads) |
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{ |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(keccak_round_constants, host_keccak_round_constants, |
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sizeof(host_keccak_round_constants), 0, cudaMemcpyHostToDevice)); |
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CUDA_SAFE_CALL(cudaMalloc(&d_KNonce[thr_id], sizeof(uint32_t))); |
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CUDA_SAFE_CALL(cudaMallocHost(&d_nounce[thr_id], 1*sizeof(uint32_t))); |
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}
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