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381 lines
14 KiB
381 lines
14 KiB
/** |
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* KECCAK-256 CUDA optimised implementation, based on ccminer-alexis code |
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*/ |
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#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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#include <cuda_vectors.h> |
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#define TPB52 1024 |
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#define TPB50 384 |
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#define NPT 2 |
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#define NBN 2 |
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static uint32_t *d_nonces[MAX_GPUS]; |
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static uint32_t *h_nonces[MAX_GPUS]; |
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__constant__ uint2 c_message48[6]; |
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__constant__ uint2 c_mid[17]; |
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__constant__ uint2 keccak_round_constants[24] = { |
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{ 0x00000001, 0x00000000 }, { 0x00008082, 0x00000000 }, { 0x0000808a, 0x80000000 }, { 0x80008000, 0x80000000 }, |
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{ 0x0000808b, 0x00000000 }, { 0x80000001, 0x00000000 }, { 0x80008081, 0x80000000 }, { 0x00008009, 0x80000000 }, |
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{ 0x0000008a, 0x00000000 }, { 0x00000088, 0x00000000 }, { 0x80008009, 0x00000000 }, { 0x8000000a, 0x00000000 }, |
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{ 0x8000808b, 0x00000000 }, { 0x0000008b, 0x80000000 }, { 0x00008089, 0x80000000 }, { 0x00008003, 0x80000000 }, |
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{ 0x00008002, 0x80000000 }, { 0x00000080, 0x80000000 }, { 0x0000800a, 0x00000000 }, { 0x8000000a, 0x80000000 }, |
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{ 0x80008081, 0x80000000 }, { 0x00008080, 0x80000000 }, { 0x80000001, 0x00000000 }, { 0x80008008, 0x80000000 } |
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}; |
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__device__ __forceinline__ |
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uint2 xor3x(const uint2 a,const uint2 b,const uint2 c) { |
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uint2 result; |
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#if __CUDA_ARCH__ >= 500 && CUDA_VERSION >= 7050 |
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asm ("lop3.b32 %0, %1, %2, %3, 0x96;" : "=r"(result.x) : "r"(a.x), "r"(b.x),"r"(c.x)); //0x96 = 0xF0 ^ 0xCC ^ 0xAA |
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asm ("lop3.b32 %0, %1, %2, %3, 0x96;" : "=r"(result.y) : "r"(a.y), "r"(b.y),"r"(c.y)); //0x96 = 0xF0 ^ 0xCC ^ 0xAA |
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#else |
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result = a^b^c; |
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#endif |
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return result; |
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} |
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__device__ __forceinline__ |
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uint2 chi(const uint2 a,const uint2 b,const uint2 c) { // keccak chi |
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uint2 result; |
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#if __CUDA_ARCH__ >= 500 && CUDA_VERSION >= 7050 |
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asm ("lop3.b32 %0, %1, %2, %3, 0xD2;" : "=r"(result.x) : "r"(a.x), "r"(b.x),"r"(c.x)); //0xD2 = 0xF0 ^ ((~0xCC) & 0xAA) |
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asm ("lop3.b32 %0, %1, %2, %3, 0xD2;" : "=r"(result.y) : "r"(a.y), "r"(b.y),"r"(c.y)); //0xD2 = 0xF0 ^ ((~0xCC) & 0xAA) |
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#else |
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result = a ^ (~b) & c; |
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#endif |
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return result; |
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} |
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__device__ __forceinline__ |
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uint64_t xor5(uint64_t a, uint64_t b, uint64_t c, uint64_t d, uint64_t e) |
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{ |
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uint64_t result; |
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asm("xor.b64 %0, %1, %2;" : "=l"(result) : "l"(d) ,"l"(e)); |
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asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(c)); |
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asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(b)); |
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asm("xor.b64 %0, %0, %1;" : "+l"(result) : "l"(a)); |
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return result; |
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} |
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#if __CUDA_ARCH__ <= 500 |
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__global__ __launch_bounds__(TPB50, 2) |
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#else |
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__global__ __launch_bounds__(TPB52, 1) |
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#endif |
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void keccak256_gpu_hash_80(uint32_t threads, uint32_t startNonce, uint32_t *resNounce, const uint2 highTarget) |
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{ |
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uint32_t thread = blockDim.x * blockIdx.x + threadIdx.x; |
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uint2 s[25], t[5], v, w, u[5]; |
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#if __CUDA_ARCH__ > 500 |
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uint64_t step = gridDim.x * blockDim.x; |
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uint64_t maxNonce = startNonce + threads; |
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for(uint64_t nounce = startNonce + thread; nounce<maxNonce;nounce+=step) { |
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#else |
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uint32_t nounce = startNonce+thread; |
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if(thread<threads) { |
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#endif |
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s[ 9] = make_uint2(c_message48[0].x,cuda_swab32(nounce)); |
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s[10] = keccak_round_constants[0]; |
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t[ 4] = c_message48[1]^s[ 9]; |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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u[ 0] = t[4] ^ c_mid[ 0]; |
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u[ 1] = c_mid[ 1] ^ ROL2(t[4],1); |
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u[ 2] = c_mid[ 2]; |
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/* thetarho pi: b[..] = rotl(a[..] ^ d[...], ..)*/ |
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s[ 7] = ROL2(s[10]^u[0], 3); |
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s[10] = c_mid[ 3]; |
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w = c_mid[ 4]; |
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s[20] = c_mid[ 5]; |
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s[ 6] = ROL2(s[ 9]^u[2],20); |
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s[ 9] = c_mid[ 6]; |
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s[22] = c_mid[ 7]; |
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s[14] = ROL2(u[0],18); |
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s[ 2] = c_mid[ 8]; |
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s[12] = ROL2(u[1],25); |
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s[13] = c_mid[ 9]; |
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s[19] = ROR8(u[1]); |
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s[23] = ROR2(u[0],23); |
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s[15] = c_mid[10]; |
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s[ 4] = c_mid[11]; |
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s[24] = c_mid[12]; |
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s[21] = ROR2(c_message48[2]^u[1], 9); |
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s[ 8] = c_mid[13]; |
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s[16] = ROR2(c_message48[3]^u[0],28); |
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s[ 5] = ROL2(c_message48[4]^u[1],28); |
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s[ 3] = ROL2(u[1],21); |
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s[18] = c_mid[14]; |
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s[17] = c_mid[15]; |
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s[11] = c_mid[16]; |
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/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */ |
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v = c_message48[5]^u[0]; |
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s[ 0] = chi(v,w,s[ 2]); |
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s[ 1] = chi(w,s[ 2],s[ 3]); |
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s[ 2] = chi(s[ 2],s[ 3],s[ 4]); |
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s[ 3] = chi(s[ 3],s[ 4],v); |
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s[ 4] = chi(s[ 4],v,w); |
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v = s[ 5]; w = s[ 6]; s[ 5] = chi(v,w,s[ 7]); s[ 6] = chi(w,s[ 7],s[ 8]); s[ 7] = chi(s[ 7],s[ 8],s[ 9]); s[ 8] = chi(s[ 8],s[ 9],v);s[ 9] = chi(s[ 9],v,w); |
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v = s[10]; w = s[11]; s[10] = chi(v,w,s[12]); s[11] = chi(w,s[12],s[13]); s[12] = chi(s[12],s[13],s[14]); s[13] = chi(s[13],s[14],v);s[14] = chi(s[14],v,w); |
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v = s[15]; w = s[16]; s[15] = chi(v,w,s[17]); s[16] = chi(w,s[17],s[18]); s[17] = chi(s[17],s[18],s[19]); s[18] = chi(s[18],s[19],v);s[19] = chi(s[19],v,w); |
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v = s[20]; w = s[21]; s[20] = chi(v,w,s[22]); s[21] = chi(w,s[22],s[23]); s[22] = chi(s[22],s[23],s[24]); s[23] = chi(s[23],s[24],v);s[24] = chi(s[24],v,w); |
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/* iota: a[0,0] ^= round constant */ |
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s[ 0] ^=keccak_round_constants[ 0]; |
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#if __CUDA_ARCH__ > 500 |
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#pragma unroll 22 |
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#else |
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#pragma unroll 4 |
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#endif |
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for (int i = 1; i < 23; i++) { |
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#pragma unroll |
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for(int j=0;j<5;j++) { |
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t[ j] = vectorize(xor5(devectorize(s[ j]),devectorize(s[j+5]),devectorize(s[j+10]),devectorize(s[j+15]),devectorize(s[j+20]))); |
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} |
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/*theta*/ |
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#pragma unroll |
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for(int j=0;j<5;j++) { |
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u[j] = ROL2(t[j], 1); |
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} |
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s[ 4] = xor3x(s[ 4], t[3], u[0]);s[ 9] = xor3x(s[ 9], t[3], u[0]);s[14] = xor3x(s[14], t[3], u[0]);s[19] = xor3x(s[19], t[3], u[0]);s[24] = xor3x(s[24], t[3], u[0]); |
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s[ 0] = xor3x(s[ 0], t[4], u[1]);s[ 5] = xor3x(s[ 5], t[4], u[1]);s[10] = xor3x(s[10], t[4], u[1]);s[15] = xor3x(s[15], t[4], u[1]);s[20] = xor3x(s[20], t[4], u[1]); |
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s[ 1] = xor3x(s[ 1], t[0], u[2]);s[ 6] = xor3x(s[ 6], t[0], u[2]);s[11] = xor3x(s[11], t[0], u[2]);s[16] = xor3x(s[16], t[0], u[2]);s[21] = xor3x(s[21], t[0], u[2]); |
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s[ 2] = xor3x(s[ 2], t[1], u[3]);s[ 7] = xor3x(s[ 7], t[1], u[3]);s[12] = xor3x(s[12], t[1], u[3]);s[17] = xor3x(s[17], t[1], u[3]);s[22] = xor3x(s[22], t[1], u[3]); |
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s[ 3] = xor3x(s[ 3], t[2], u[4]);s[ 8] = xor3x(s[ 8], t[2], u[4]);s[13] = xor3x(s[13], t[2], u[4]);s[18] = xor3x(s[18], t[2], u[4]);s[23] = xor3x(s[23], t[2], u[4]); |
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/*rho pi: b[..] = rotl(a[..] ^ d[...], ..)*/ |
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v = s[ 1]; |
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s[ 1] = ROL2(s[ 6],44); s[ 6] = ROL2(s[ 9],20); s[ 9] = ROL2(s[22],61); s[22] = ROL2(s[14],39); |
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s[14] = ROL2(s[20],18); s[20] = ROL2(s[ 2],62); s[ 2] = ROL2(s[12],43); s[12] = ROL2(s[13],25); |
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s[13] = ROL8(s[19]); s[19] = ROR8(s[23]); s[23] = ROL2(s[15],41); s[15] = ROL2(s[ 4],27); |
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s[ 4] = ROL2(s[24],14); s[24] = ROL2(s[21], 2); s[21] = ROL2(s[ 8],55); s[ 8] = ROL2(s[16],45); |
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s[16] = ROL2(s[ 5],36); s[ 5] = ROL2(s[ 3],28); s[ 3] = ROL2(s[18],21); s[18] = ROL2(s[17],15); |
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s[17] = ROL2(s[11],10); s[11] = ROL2(s[ 7], 6); s[ 7] = ROL2(s[10], 3); 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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#pragma unroll |
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for(int j=0;j<25;j+=5) { |
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v=s[j];w=s[j + 1];s[j] = chi(s[j],s[j+1],s[j+2]);s[j+1] = chi(s[j+1],s[j+2],s[j+3]);s[j+2]=chi(s[j+2],s[j+3],s[j+4]);s[j+3]=chi(s[j+3],s[j+4],v);s[j+4]=chi(s[j+4],v,w); |
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} |
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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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/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
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#pragma unroll 5 |
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for(int j=0;j<5;j++) { |
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t[ j] = xor3x(xor3x(s[j+0],s[j+5],s[j+10]), s[j+15], s[j+20]); |
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} |
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s[24] = xor3x(s[24],t[3],ROL2(t[0],1)); |
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s[18] = xor3x(s[18],t[2],ROL2(t[4],1)); |
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s[ 0] = xor3x(s[ 0],t[4],ROL2(t[1],1)); |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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s[24] = ROL2(s[24],14); |
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s[18] = ROL2(s[18],21); |
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if (devectorize(chi(s[18],s[24],s[ 0])) <= devectorize(highTarget)) { |
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// if(chi(s[18].x,s[24].x,s[0].x)<=highTarget.x) { |
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// if(chi(s[18].y,s[24].y,s[0].y)<=highTarget.y) { |
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const uint32_t tmp = atomicExch(&resNounce[0], nounce); |
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if (tmp != UINT32_MAX) |
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resNounce[1] = tmp; |
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// return; |
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// } |
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} |
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} |
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} |
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__host__ |
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void keccak256_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t* resNonces, const uint2 highTarget) |
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{ |
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uint32_t tpb; |
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dim3 grid; |
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if (device_sm[device_map[thr_id]] <= 500) { |
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tpb = TPB50; |
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grid.x = (threads + tpb-1)/tpb; |
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} else { |
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tpb = TPB52; |
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grid.x = (threads + (NPT*tpb)-1)/(NPT*tpb); |
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} |
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const dim3 block(tpb); |
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keccak256_gpu_hash_80<<<grid, block>>>(threads, startNonce, d_nonces[thr_id], highTarget); |
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// cudaThreadSynchronize(); |
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cudaMemcpy(h_nonces[thr_id], d_nonces[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost); |
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memcpy(resNonces, h_nonces[thr_id], NBN*sizeof(uint32_t)); |
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} |
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#if __CUDA_ARCH__ <= 500 |
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__global__ __launch_bounds__(TPB50, 2) |
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#else |
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__global__ __launch_bounds__(TPB52, 1) |
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#endif |
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void keccak256_gpu_hash_32(uint32_t threads, uint2* outputHash) |
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{ |
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uint32_t thread = blockDim.x * blockIdx.x + threadIdx.x; |
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uint2 s[25], t[5], v, w, u[5]; |
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if(thread < threads) { |
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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) s[i] = __ldg(&outputHash[i*threads+thread]); |
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else s[i] = make_uint2(0, 0); |
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} |
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s[4] = keccak_round_constants[ 0]; |
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s[16] = make_uint2(0, 0x80000000); |
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#if __CUDA_ARCH__ > 500 |
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#pragma unroll |
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#else |
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#pragma unroll 4 |
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#endif |
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for (uint32_t i = 0; i < 23; i++) { |
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/*theta*/ |
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#pragma unroll 5 |
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for(int j=0; j<5; j++) { |
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t[ j] = vectorize(xor5(devectorize(s[ j]),devectorize(s[j+5]),devectorize(s[j+10]),devectorize(s[j+15]),devectorize(s[j+20]))); |
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} |
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/*theta*/ |
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#pragma unroll 5 |
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for(int j=0; j<5; j++) { |
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u[j] = ROL2(t[j], 1); |
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} |
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s[ 4] = xor3x(s[ 4], t[3], u[0]);s[ 9] = xor3x(s[ 9], t[3], u[0]);s[14] = xor3x(s[14], t[3], u[0]);s[19] = xor3x(s[19], t[3], u[0]);s[24] = xor3x(s[24], t[3], u[0]); |
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s[ 0] = xor3x(s[ 0], t[4], u[1]);s[ 5] = xor3x(s[ 5], t[4], u[1]);s[10] = xor3x(s[10], t[4], u[1]);s[15] = xor3x(s[15], t[4], u[1]);s[20] = xor3x(s[20], t[4], u[1]); |
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s[ 1] = xor3x(s[ 1], t[0], u[2]);s[ 6] = xor3x(s[ 6], t[0], u[2]);s[11] = xor3x(s[11], t[0], u[2]);s[16] = xor3x(s[16], t[0], u[2]);s[21] = xor3x(s[21], t[0], u[2]); |
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s[ 2] = xor3x(s[ 2], t[1], u[3]);s[ 7] = xor3x(s[ 7], t[1], u[3]);s[12] = xor3x(s[12], t[1], u[3]);s[17] = xor3x(s[17], t[1], u[3]);s[22] = xor3x(s[22], t[1], u[3]); |
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s[ 3] = xor3x(s[ 3], t[2], u[4]);s[ 8] = xor3x(s[ 8], t[2], u[4]);s[13] = xor3x(s[13], t[2], u[4]);s[18] = xor3x(s[18], t[2], u[4]);s[23] = xor3x(s[23], t[2], u[4]); |
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/*rho pi: b[..] = rotl(a[..] ^ d[...], ..)*/ |
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v = s[ 1]; |
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s[ 1] = ROL2(s[ 6],44); s[ 6] = ROL2(s[ 9],20); s[ 9] = ROL2(s[22],61); s[22] = ROL2(s[14],39); |
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s[14] = ROL2(s[20],18); s[20] = ROL2(s[ 2],62); s[ 2] = ROL2(s[12],43); s[12] = ROL2(s[13],25); |
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s[13] = ROL8(s[19]); s[19] = ROR8(s[23]); s[23] = ROL2(s[15],41); s[15] = ROL2(s[ 4],27); |
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s[ 4] = ROL2(s[24],14); s[24] = ROL2(s[21], 2); s[21] = ROL2(s[ 8],55); s[ 8] = ROL2(s[16],45); |
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s[16] = ROL2(s[ 5],36); s[ 5] = ROL2(s[ 3],28); s[ 3] = ROL2(s[18],21); s[18] = ROL2(s[17],15); |
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s[17] = ROL2(s[11],10); s[11] = ROL2(s[ 7], 6); s[ 7] = ROL2(s[10], 3); 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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#pragma unroll 5 |
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for(int j=0; j<25; j+=5) { |
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v=s[j];w=s[j + 1]; s[j] = chi(v,w,s[j+2]); s[j+1] = chi(w,s[j+2],s[j+3]); s[j+2]=chi(s[j+2],s[j+3],s[j+4]); s[j+3]=chi(s[j+3],s[j+4],v); s[j+4]=chi(s[j+4],v,w); |
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} |
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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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/* theta: c = a[0,i] ^ a[1,i] ^ .. a[4,i] */ |
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#pragma unroll 5 |
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for(int j=0;j<5;j++) { |
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t[ j] = xor3x(xor3x(s[j+0],s[j+5],s[j+10]), s[j+15], s[j+20]); |
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} |
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/* theta: d[i] = c[i+4] ^ rotl(c[i+1],1) */ |
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#pragma unroll 5 |
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for(int j=0;j<5;j++) { |
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u[j] = ROL2(t[j],1); |
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} |
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/* thetarho pi: b[..] = rotl(a[..] ^ d[...], ..) //There's no need to perform theta and -store- the result since it's unique for each a[..]*/ |
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s[ 4] = xor3x(s[24], t[3], u[0]); |
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s[ 0] = xor3x(s[ 0], t[4], u[1]); |
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s[ 1] = xor3x(s[ 6], t[0], u[2]); |
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s[ 2] = xor3x(s[12], t[1], u[3]); |
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s[ 3] = xor3x(s[18], t[2], u[4]); |
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s[ 1] = ROR2(s[ 1],20); |
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s[ 2] = ROR2(s[ 2],21); |
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s[ 3] = ROL2(s[ 3],21); |
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s[ 4] = ROL2(s[ 4],14); |
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/* chi: a[i,j] ^= ~b[i,j+1] & b[i,j+2] */ |
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outputHash[0*threads+thread] = chi(s[ 0],s[ 1],s[ 2]) ^ keccak_round_constants[23]; |
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outputHash[1*threads+thread] = chi(s[ 1],s[ 2],s[ 3]); |
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outputHash[2*threads+thread] = chi(s[ 2],s[ 3],s[ 4]); |
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outputHash[3*threads+thread] = chi(s[ 3],s[ 4],s[ 0]); |
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} |
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} |
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__host__ |
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void keccak256_cpu_hash_32(const int thr_id,const uint32_t threads, uint2* d_hash) |
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{ |
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uint32_t tpb = TPB52; |
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if (device_sm[device_map[thr_id]] == 500) tpb = TPB50; |
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const dim3 grid((threads + tpb-1)/tpb); |
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const dim3 block(tpb); |
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keccak256_gpu_hash_32 <<<grid, block>>> (threads, d_hash); |
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} |
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__host__ |
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void keccak256_setBlock_80(uint64_t *endiandata) |
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{ |
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uint64_t midstate[17], s[25]; |
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uint64_t t[5], u[5]; |
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|
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s[10] = 1; //(uint64_t)make_uint2(1, 0); |
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s[16] = ((uint64_t)1)<<63; //(uint64_t)make_uint2(0, 0x80000000); |
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t[0] = endiandata[0] ^ endiandata[5] ^ s[10]; |
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t[1] = endiandata[1] ^ endiandata[6] ^ s[16]; |
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t[2] = endiandata[2] ^ endiandata[7]; |
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t[3] = endiandata[3] ^ endiandata[8]; |
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midstate[ 0] = ROTL64(t[1], 1); //u[0] -partial |
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u[1] = t[ 0] ^ ROTL64(t[2], 1); //u[1] |
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u[2] = t[ 1] ^ ROTL64(t[3], 1); //u[2] |
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midstate[ 1] = t[ 2]; //u[3] -partial |
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midstate[ 2] = t[ 3] ^ ROTL64(t[0], 1); //u[4] |
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midstate[ 3] = ROTL64(endiandata[1]^u[1], 1); //v |
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midstate[ 4] = ROTL64(endiandata[6]^u[1], 44); |
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midstate[ 5] = ROTL64(endiandata[2]^u[2], 62); |
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midstate[ 6] = ROTL64(u[2], 61); |
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midstate[ 7] = ROTL64(midstate[2], 39); |
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midstate[ 8] = ROTL64(u[2], 43); |
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midstate[ 9] = ROTL64(midstate[2], 8); |
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midstate[10] = ROTL64(endiandata[4]^midstate[ 2],27); |
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midstate[11] = ROTL64(midstate[2], 14); |
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midstate[12] = ROTL64(u[1], 2); |
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midstate[13] = ROTL64(s[16] ^ u[1], 45); |
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midstate[14] = ROTL64(u[2],15); |
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midstate[15] = ROTL64(u[1],10); |
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midstate[16] = ROTL64(endiandata[7]^u[2], 6); |
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|
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_mid, midstate,17*sizeof(uint64_t), 0, cudaMemcpyHostToDevice)); |
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|
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// pass only what's needed |
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uint64_t message48[6]; |
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message48[0] = endiandata[9]; |
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message48[1] = endiandata[4]; |
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message48[2] = endiandata[8]; |
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message48[3] = endiandata[5]; |
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message48[4] = endiandata[3]; |
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message48[5] = endiandata[0]; |
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CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_message48, message48, 6*sizeof(uint64_t), 0, cudaMemcpyHostToDevice)); |
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} |
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|
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__host__ |
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void keccak256_cpu_init(int thr_id) |
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{ |
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CUDA_SAFE_CALL(cudaMalloc(&d_nonces[thr_id], NBN*sizeof(uint32_t))); |
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//CUDA_SAFE_CALL(cudaMallocHost(&h_nonces[thr_id], NBN*sizeof(uint32_t))); |
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h_nonces[thr_id] = (uint32_t*) malloc(NBN * sizeof(uint32_t)); |
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if(h_nonces[thr_id] == NULL) { |
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gpulog(LOG_ERR,thr_id,"Host memory allocation failed"); |
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exit(EXIT_FAILURE); |
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} |
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} |
|
|
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__host__ |
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void keccak256_setOutput(int thr_id) |
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{ |
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CUDA_SAFE_CALL(cudaMemset(d_nonces[thr_id], 0xff, NBN*sizeof(uint32_t))); |
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} |
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|
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__host__ |
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void keccak256_cpu_free(int thr_id) |
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{ |
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cudaFree(d_nonces[thr_id]); |
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//cudaFreeHost(h_nonces[thr_id]); |
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free(h_nonces[thr_id]); |
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}
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