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252 lines
6.3 KiB
252 lines
6.3 KiB
#include "cuda_helper.h" |
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#define CUBEHASH_ROUNDS 16 /* this is r for CubeHashr/b */ |
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#define CUBEHASH_BLOCKBYTES 32 /* this is b for CubeHashr/b */ |
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#if __CUDA_ARCH__ < 350 |
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#define LROT(x,bits) ((x << bits) | (x >> (32 - bits))) |
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#else |
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#define LROT(x, bits) __funnelshift_l(x, x, bits) |
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#endif |
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#define ROTATEUPWARDS7(a) LROT(a,7) |
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#define ROTATEUPWARDS11(a) LROT(a,11) |
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//#define SWAP(a,b) { uint32_t u = a; a = b; b = u; } |
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#define SWAP(a,b) { a ^= b; b ^= a; a ^= b; } |
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__device__ __forceinline__ void rrounds(uint32_t x[2][2][2][2][2]) |
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{ |
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int r; |
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int j; |
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int k; |
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int l; |
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int m; |
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#pragma unroll 2 |
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for (r = 0; r < CUBEHASH_ROUNDS; ++r) { |
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/* "add x_0jklm into x_1jklmn modulo 2^32" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[1][j][k][l][m] += x[0][j][k][l][m]; |
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/* "rotate x_0jklm upwards by 7 bits" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[0][j][k][l][m] = ROTATEUPWARDS7(x[0][j][k][l][m]); |
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/* "swap x_00klm with x_01klm" */ |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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SWAP(x[0][0][k][l][m], x[0][1][k][l][m]) |
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/* "xor x_1jklm into x_0jklm" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[0][j][k][l][m] ^= x[1][j][k][l][m]; |
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/* "swap x_1jk0m with x_1jk1m" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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SWAP(x[1][j][k][0][m], x[1][j][k][1][m]) |
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/* "add x_0jklm into x_1jklm modulo 2^32" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[1][j][k][l][m] += x[0][j][k][l][m]; |
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/* "rotate x_0jklm upwards by 11 bits" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[0][j][k][l][m] = ROTATEUPWARDS11(x[0][j][k][l][m]); |
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/* "swap x_0j0lm with x_0j1lm" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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SWAP(x[0][j][0][l][m], x[0][j][1][l][m]) |
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/* "xor x_1jklm into x_0jklm" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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#pragma unroll 2 |
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for (m = 0; m < 2; ++m) |
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x[0][j][k][l][m] ^= x[1][j][k][l][m]; |
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/* "swap x_1jkl0 with x_1jkl1" */ |
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#pragma unroll 2 |
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for (j = 0; j < 2; ++j) |
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#pragma unroll 2 |
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for (k = 0; k < 2; ++k) |
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#pragma unroll 2 |
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for (l = 0; l < 2; ++l) |
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SWAP(x[1][j][k][l][0], x[1][j][k][l][1]) |
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} |
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} |
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__device__ __forceinline__ void block_tox(const uint32_t *in, uint32_t x[2][2][2][2][2]) |
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{ |
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x[0][0][0][0][0] ^= in[0]; |
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x[0][0][0][0][1] ^= in[1]; |
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x[0][0][0][1][0] ^= in[2]; |
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x[0][0][0][1][1] ^= in[3]; |
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x[0][0][1][0][0] ^= in[4]; |
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x[0][0][1][0][1] ^= in[5]; |
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x[0][0][1][1][0] ^= in[6]; |
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x[0][0][1][1][1] ^= in[7]; |
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} |
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__device__ __forceinline__ void hash_fromx(uint32_t *out, uint32_t x[2][2][2][2][2]) |
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{ |
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out[0] = x[0][0][0][0][0]; |
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out[1] = x[0][0][0][0][1]; |
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out[2] = x[0][0][0][1][0]; |
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out[3] = x[0][0][0][1][1]; |
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out[4] = x[0][0][1][0][0]; |
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out[5] = x[0][0][1][0][1]; |
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out[6] = x[0][0][1][1][0]; |
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out[7] = x[0][0][1][1][1]; |
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} |
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__device__ __forceinline__ |
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void Update32(uint32_t x[2][2][2][2][2], const uint32_t *data) |
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{ |
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/* "xor the block into the first b bytes of the state" */ |
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/* "and then transform the state invertibly through r identical rounds" */ |
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block_tox(data, x); |
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rrounds(x); |
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} |
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__device__ __forceinline__ |
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void Update32_const(uint32_t x[2][2][2][2][2]) |
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{ |
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x[0][0][0][0][0] ^= 0x80; |
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rrounds(x); |
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} |
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__device__ __forceinline__ |
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void Final(uint32_t x[2][2][2][2][2], uint32_t *hashval) |
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{ |
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/* "the integer 1 is xored into the last state word x_11111" */ |
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x[1][1][1][1][1] ^= 1U; |
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/* "the state is then transformed invertibly through 10r identical rounds" */ |
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#pragma unroll 2 |
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for (int i = 0; i < 10; ++i) rrounds(x); |
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/* "output the first h/8 bytes of the state" */ |
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hash_fromx(hashval, x); |
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} |
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// Die Hash-Funktion |
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#if __CUDA_ARCH__ <500 |
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__global__ __launch_bounds__(576,1) |
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#else |
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__global__ __launch_bounds__(576,1) |
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#endif |
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void cubehash256_gpu_hash_32(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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uint32_t Hash[8]; // = &g_hash[16 * hashPosition]; |
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LOHI(Hash[0], Hash[1], __ldg(&g_hash[thread])); |
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LOHI(Hash[2], Hash[3], __ldg(&g_hash[thread + 1 * threads])); |
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LOHI(Hash[4], Hash[5], __ldg(&g_hash[thread + 2 * threads])); |
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LOHI(Hash[6], Hash[7], __ldg(&g_hash[thread + 3 * threads])); |
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uint32_t x[2][2][2][2][2] = |
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{ |
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0xEA2BD4B4, 0xCCD6F29F, 0x63117E71, 0x35481EAE, |
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0x22512D5B, 0xE5D94E63, 0x7E624131, 0xF4CC12BE, |
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0xC2D0B696, 0x42AF2070, 0xD0720C35, 0x3361DA8C, |
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0x28CCECA4, 0x8EF8AD83, 0x4680AC00, 0x40E5FBAB, |
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0xD89041C3, 0x6107FBD5, 0x6C859D41, 0xF0B26679, |
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0x09392549, 0x5FA25603, 0x65C892FD, 0x93CB6285, |
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0x2AF2B5AE, 0x9E4B4E60, 0x774ABFDD, 0x85254725, |
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0x15815AEB, 0x4AB6AAD6, 0x9CDAF8AF, 0xD6032C0A |
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}; |
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x[0][0][0][0][0] ^= Hash[0]; |
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x[0][0][0][0][1] ^= Hash[1]; |
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x[0][0][0][1][0] ^= Hash[2]; |
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x[0][0][0][1][1] ^= Hash[3]; |
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x[0][0][1][0][0] ^= Hash[4]; |
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x[0][0][1][0][1] ^= Hash[5]; |
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x[0][0][1][1][0] ^= Hash[6]; |
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x[0][0][1][1][1] ^= Hash[7]; |
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rrounds(x); |
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x[0][0][0][0][0] ^= 0x80U; |
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rrounds(x); |
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Final(x, Hash); |
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g_hash[thread] = ((uint64_t*)Hash)[0]; |
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g_hash[1 * threads + thread] = ((uint64_t*)Hash)[1]; |
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g_hash[2 * threads + thread] = ((uint64_t*)Hash)[2]; |
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g_hash[3 * threads + thread] = ((uint64_t*)Hash)[3]; |
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} |
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} |
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__host__ |
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void cubehash256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_hash, int order) |
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{ |
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uint32_t tpb = 576; |
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dim3 grid((threads + tpb-1)/tpb); |
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dim3 block(tpb); |
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cubehash256_gpu_hash_32 <<<grid, block>>> (threads, startNounce, d_hash); |
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}
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