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@ -17,8 +17,8 @@ extern uint32_t *d_nonceVector[8]; |
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// globaler Speicher für unsere Ergebnisse |
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// globaler Speicher für unsere Ergebnisse |
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uint32_t *d_hash5output[8]; |
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uint32_t *d_hash5output[8]; |
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// die Message (116 Bytes) mit Padding zur Berechnung auf der GPU |
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// die Message (112 bzw. 116 Bytes) mit Padding zur Berechnung auf der GPU |
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__constant__ uint64_t c_PaddedMessage[16]; // padded message (84+32 bytes + padding) |
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__constant__ uint64_t c_PaddedMessage[16]; // padded message (80/84+32 bytes + padding) |
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// ---------------------------- BEGIN CUDA blake512 functions ------------------------------------ |
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// ---------------------------- BEGIN CUDA blake512 functions ------------------------------------ |
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@ -44,10 +44,12 @@ const uint8_t host_sigma[16][16] = |
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{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } |
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{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } |
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}; |
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}; |
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// Diese Makros besser nur für Compile Time Konstanten verwenden. Sie sind langsam. |
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#define SWAP32(x) \ |
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#define SWAP32(x) \ |
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((((x) << 24) & 0xff000000u) | (((x) << 8) & 0x00ff0000u) | \ |
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((((x) << 24) & 0xff000000u) | (((x) << 8) & 0x00ff0000u) | \ |
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(((x) >> 8) & 0x0000ff00u) | (((x) >> 24) & 0x000000ffu)) |
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(((x) >> 8) & 0x0000ff00u) | (((x) >> 24) & 0x000000ffu)) |
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// Diese Makros besser nur für Compile Time Konstanten verwenden. Sie sind langsam. |
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#define SWAP64(x) \ |
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#define SWAP64(x) \ |
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((uint64_t)((((uint64_t)(x) & 0xff00000000000000ULL) >> 56) | \ |
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((uint64_t)((((uint64_t)(x) & 0xff00000000000000ULL) >> 56) | \ |
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(((uint64_t)(x) & 0x00ff000000000000ULL) >> 40) | \ |
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(((uint64_t)(x) & 0x00ff000000000000ULL) >> 40) | \ |
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@ -58,11 +60,11 @@ const uint8_t host_sigma[16][16] = |
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(((uint64_t)(x) & 0x000000000000ff00ULL) << 40) | \ |
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(((uint64_t)(x) & 0x000000000000ff00ULL) << 40) | \ |
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(((uint64_t)(x) & 0x00000000000000ffULL) << 56))) |
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(((uint64_t)(x) & 0x00000000000000ffULL) << 56))) |
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__constant__ uint64_t c_SecondRound[16]; |
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__constant__ uint64_t c_SecondRound[15]; |
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const uint64_t host_SecondRound[16] = |
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const uint64_t host_SecondRound[15] = |
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{ |
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{ |
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0,0,0,0,0,0,0,0,0,0,0,0,0,SWAP64(1),0,SWAP64(0x3A0) |
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0,0,0,0,0,0,0,0,0,0,0,0,0,SWAP64(1),0 |
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}; |
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}; |
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__constant__ uint64_t c_u512[16]; |
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__constant__ uint64_t c_u512[16]; |
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@ -80,24 +82,22 @@ const uint64_t host_u512[16] = |
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}; |
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}; |
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#define ROTR(x,n) (((x)<<(64-n))|( (x)>>(n))) |
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#define G(a,b,c,d,e) \ |
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#define G(a,b,c,d,e) \ |
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v[a] += (m[sigma[i][e]] ^ u512[sigma[i][e+1]]) + v[b];\ |
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v[a] += (m[sigma[i][e]] ^ u512[sigma[i][e+1]]) + v[b];\ |
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v[d] = ROTR( v[d] ^ v[a],32); \ |
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v[d] = ROTR64( v[d] ^ v[a],32); \ |
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v[c] += v[d]; \ |
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v[c] += v[d]; \ |
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v[b] = ROTR( v[b] ^ v[c],25); \ |
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v[b] = ROTR64( v[b] ^ v[c],25); \ |
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v[a] += (m[sigma[i][e+1]] ^ u512[sigma[i][e]])+v[b]; \ |
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v[a] += (m[sigma[i][e+1]] ^ u512[sigma[i][e]])+v[b]; \ |
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v[d] = ROTR( v[d] ^ v[a],16); \ |
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v[d] = ROTR64( v[d] ^ v[a],16); \ |
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v[c] += v[d]; \ |
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v[c] += v[d]; \ |
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v[b] = ROTR( v[b] ^ v[c],11); |
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v[b] = ROTR64( v[b] ^ v[c],11); |
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__device__ void blake512_compress( uint64_t *h, const uint64_t *block, int nullt, const uint8_t ((*sigma)[16]), const uint64_t *u512 ) |
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template <int BLOCKSIZE> __device__ void blake512_compress( uint64_t *h, const uint64_t *block, int nullt, const uint8_t ((*sigma)[16]), const uint64_t *u512 ) |
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{ |
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{ |
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uint64_t v[16], m[16], i; |
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uint64_t v[16], m[16], i; |
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#pragma unroll 16 |
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#pragma unroll 16 |
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for( i = 0; i < 16; ++i ) m[i] = SWAP64(block[i]); |
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for( i = 0; i < 16; ++i ) m[i] = cuda_swab64(block[i]); |
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#pragma unroll 8 |
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#pragma unroll 8 |
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for( i = 0; i < 8; ++i ) v[i] = h[i]; |
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for( i = 0; i < 8; ++i ) v[i] = h[i]; |
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@ -113,11 +113,11 @@ __device__ void blake512_compress( uint64_t *h, const uint64_t *block, int nullt |
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/* don't xor t when the block is only padding */ |
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/* don't xor t when the block is only padding */ |
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if ( !nullt ) { |
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if ( !nullt ) { |
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v[12] ^= 928; |
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v[12] ^= 8*(BLOCKSIZE+32); |
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v[13] ^= 928; |
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v[13] ^= 8*(BLOCKSIZE+32); |
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} |
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} |
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#pragma unroll 16 |
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//#pragma unroll 16 |
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for( i = 0; i < 16; ++i ) |
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for( i = 0; i < 16; ++i ) |
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{ |
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{ |
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/* column step */ |
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/* column step */ |
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@ -136,49 +136,9 @@ __device__ void blake512_compress( uint64_t *h, const uint64_t *block, int nullt |
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for( i = 0; i < 16; ++i ) h[i % 8] ^= v[i]; |
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for( i = 0; i < 16; ++i ) h[i % 8] ^= v[i]; |
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} |
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} |
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// Endian Drehung für 32 Bit Typen |
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#include "cuda_helper.h" |
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static __device__ uint32_t cuda_swab32(uint32_t x) |
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{ |
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return (((x << 24) & 0xff000000u) | ((x << 8) & 0x00ff0000u) |
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| ((x >> 8) & 0x0000ff00u) | ((x >> 24) & 0x000000ffu)); |
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} |
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// Endian Drehung für 64 Bit Typen |
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static __device__ uint64_t cuda_swab64(uint64_t x) { |
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uint32_t h = (x >> 32); |
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uint32_t l = (x & 0xFFFFFFFFULL); |
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return (((uint64_t)cuda_swab32(l)) << 32) | ((uint64_t)cuda_swab32(h)); |
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} |
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// das Hi Word aus einem 64 Bit Typen extrahieren |
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static __device__ uint32_t HIWORD(const uint64_t &x) { |
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#if __CUDA_ARCH__ >= 130 |
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return (uint32_t)__double2hiint(__longlong_as_double(x)); |
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#else |
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return (uint32_t)(x >> 32); |
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#endif |
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} |
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// das Hi Word in einem 64 Bit Typen ersetzen |
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static __device__ uint64_t REPLACE_HIWORD(const uint64_t &x, const uint32_t &y) { |
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return (x & 0xFFFFFFFFULL) | (((uint64_t)y) << 32ULL); |
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} |
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// das Lo Word aus einem 64 Bit Typen extrahieren |
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static __device__ uint32_t LOWORD(const uint64_t &x) { |
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#if __CUDA_ARCH__ >= 130 |
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return (uint32_t)__double2loint(__longlong_as_double(x)); |
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#else |
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return (uint32_t)(x & 0xFFFFFFFFULL); |
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#endif |
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} |
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// das Lo Word in einem 64 Bit Typen ersetzen |
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static __device__ uint64_t REPLACE_LOWORD(const uint64_t &x, const uint32_t &y) { |
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return (x & 0xFFFFFFFF00000000ULL) | ((uint64_t)y); |
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} |
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__global__ void blake512_gpu_hash(int threads, uint32_t startNounce, void *outputHash, uint32_t *heftyHashes, uint32_t *nonceVector) |
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template <int BLOCKSIZE> __global__ void blake512_gpu_hash(int threads, uint32_t startNounce, void *outputHash, uint32_t *heftyHashes, uint32_t *nonceVector) |
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{ |
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{ |
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int thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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int thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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if (thread < threads) |
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@ -211,40 +171,40 @@ __global__ void blake512_gpu_hash(int threads, uint32_t startNounce, void *outpu |
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// die Nounce durch die thread-spezifische ersetzen |
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// die Nounce durch die thread-spezifische ersetzen |
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buf[9] = REPLACE_HIWORD(buf[9], nounce); |
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buf[9] = REPLACE_HIWORD(buf[9], nounce); |
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// den thread-spezifischen Hefty1 hash einsetzen |
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uint32_t *hefty = heftyHashes + 8 * hashPosition; |
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uint32_t *hefty = heftyHashes + 8 * hashPosition; |
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buf[10] = REPLACE_HIWORD(buf[10], hefty[0]); |
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if (BLOCKSIZE == 84) { |
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buf[11] = REPLACE_LOWORD(buf[11], hefty[1]); |
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// den thread-spezifischen Hefty1 hash einsetzen |
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buf[11] = REPLACE_HIWORD(buf[11], hefty[2]); |
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// aufwändig, weil das nicht mit uint64_t Wörtern aligned ist. |
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buf[12] = REPLACE_LOWORD(buf[12], hefty[3]); |
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buf[10] = REPLACE_HIWORD(buf[10], hefty[0]); |
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buf[12] = REPLACE_HIWORD(buf[12], hefty[4]); |
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buf[11] = REPLACE_LOWORD(buf[11], hefty[1]); |
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buf[13] = REPLACE_LOWORD(buf[13], hefty[5]); |
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buf[11] = REPLACE_HIWORD(buf[11], hefty[2]); |
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buf[13] = REPLACE_HIWORD(buf[13], hefty[6]); |
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buf[12] = REPLACE_LOWORD(buf[12], hefty[3]); |
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buf[14] = REPLACE_LOWORD(buf[14], hefty[7]); |
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buf[12] = REPLACE_HIWORD(buf[12], hefty[4]); |
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buf[13] = REPLACE_LOWORD(buf[13], hefty[5]); |
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buf[13] = REPLACE_HIWORD(buf[13], hefty[6]); |
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buf[14] = REPLACE_LOWORD(buf[14], hefty[7]); |
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} |
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else if (BLOCKSIZE == 80) { |
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buf[10] = MAKE_ULONGLONG(hefty[0], hefty[1]); |
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buf[11] = MAKE_ULONGLONG(hefty[2], hefty[3]); |
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buf[12] = MAKE_ULONGLONG(hefty[4], hefty[5]); |
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buf[13] = MAKE_ULONGLONG(hefty[6], hefty[7]); |
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} |
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// erste Runde |
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// erste Runde |
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blake512_compress( h, buf, 0, c_sigma, c_u512 ); |
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blake512_compress<BLOCKSIZE>( h, buf, 0, c_sigma, c_u512 ); |
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// zweite Runde |
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// zweite Runde |
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#pragma unroll 16 |
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#pragma unroll 15 |
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for (int i=0; i < 16; ++i) buf[i] = c_SecondRound[i]; |
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for (int i=0; i < 15; ++i) buf[i] = c_SecondRound[i]; |
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blake512_compress( h, buf, 1, c_sigma, c_u512 ); |
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buf[15] = SWAP64(8*(BLOCKSIZE+32)); // Blocksize in Bits einsetzen |
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blake512_compress<BLOCKSIZE>( h, buf, 1, c_sigma, c_u512 ); |
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// Hash rauslassen |
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// Hash rauslassen |
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#if 0 |
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// ausschliesslich 32 bit Operationen sofern die SM1.3 double intrinsics verfügbar sind |
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uint32_t *outHash = (uint32_t *)outputHash + 16 * hashPosition; |
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#pragma unroll 8 |
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for (int i=0; i < 8; ++i) { |
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outHash[2*i+0] = cuda_swab32( HIWORD(h[i]) ); |
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outHash[2*i+1] = cuda_swab32( LOWORD(h[i]) ); |
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} |
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#else |
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// in dieser Version passieren auch ein paar 64 Bit Shifts |
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uint64_t *outHash = (uint64_t *)outputHash + 8 * hashPosition; |
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uint64_t *outHash = (uint64_t *)outputHash + 8 * hashPosition; |
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#pragma unroll 8 |
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#pragma unroll 8 |
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for (int i=0; i < 8; ++i) outHash[i] = cuda_swab64( h[i] ); |
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for (int i=0; i < 8; ++i) outHash[i] = cuda_swab64( h[i] ); |
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#endif |
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} |
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} |
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} |
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} |
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@ -274,22 +234,30 @@ __host__ void blake512_cpu_init(int thr_id, int threads) |
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cudaMalloc(&d_hash5output[thr_id], 16 * sizeof(uint32_t) * threads); |
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cudaMalloc(&d_hash5output[thr_id], 16 * sizeof(uint32_t) * threads); |
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} |
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} |
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__host__ void blake512_cpu_setBlock(void *pdata) |
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static int BLOCKSIZE = 84; |
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__host__ void blake512_cpu_setBlock(void *pdata, int len) |
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// data muss 84-Byte haben! |
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// data muss 84-Byte haben! |
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// heftyHash hat 32-Byte |
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// heftyHash hat 32-Byte |
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{ |
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{ |
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// Message mit Padding für erste Runde bereitstellen |
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unsigned char PaddedMessage[128]; |
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unsigned char PaddedMessage[128]; |
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memcpy(PaddedMessage, pdata, 84); |
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if (len == 84) { |
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memset(PaddedMessage+84, 0, 32); // leeres Hefty Hash einfüllen |
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// Message mit Padding für erste Runde bereitstellen |
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memset(PaddedMessage+116, 0, 12); |
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memcpy(PaddedMessage, pdata, 84); |
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PaddedMessage[116] = 0x80; |
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memset(PaddedMessage+84, 0, 32); // leeres Hefty Hash einfüllen |
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memset(PaddedMessage+116, 0, 12); |
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PaddedMessage[116] = 0x80; |
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} else if (len == 80) { |
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memcpy(PaddedMessage, pdata, 80); |
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memset(PaddedMessage+80, 0, 32); // leeres Hefty Hash einfüllen |
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memset(PaddedMessage+112, 0, 16); |
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PaddedMessage[112] = 0x80; |
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} |
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// die Message (116 Bytes) ohne Padding zur Berechnung auf der GPU |
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// die Message (116 Bytes) ohne Padding zur Berechnung auf der GPU |
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cudaMemcpyToSymbol( c_PaddedMessage, PaddedMessage, 16*sizeof(uint64_t), 0, cudaMemcpyHostToDevice); |
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cudaMemcpyToSymbol( c_PaddedMessage, PaddedMessage, 16*sizeof(uint64_t), 0, cudaMemcpyHostToDevice); |
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BLOCKSIZE = len; |
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} |
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} |
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__host__ void blake512_cpu_hash(int thr_id, int threads, uint32_t startNounce) |
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__host__ void blake512_cpu_hash(int thr_id, int threads, uint32_t startNounce) |
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{ |
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{ |
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const int threadsperblock = 256; |
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const int threadsperblock = 256; |
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@ -303,5 +271,8 @@ __host__ void blake512_cpu_hash(int thr_id, int threads, uint32_t startNounce) |
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// fprintf(stderr, "threads=%d, %d blocks, %d threads per block, %d bytes shared\n", threads, grid.x, block.x, shared_size); |
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// fprintf(stderr, "threads=%d, %d blocks, %d threads per block, %d bytes shared\n", threads, grid.x, block.x, shared_size); |
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blake512_gpu_hash<<<grid, block, shared_size>>>(threads, startNounce, d_hash5output[thr_id], d_heftyHashes[thr_id], d_nonceVector[thr_id]); |
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if (BLOCKSIZE == 80) |
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blake512_gpu_hash<80><<<grid, block, shared_size>>>(threads, startNounce, d_hash5output[thr_id], d_heftyHashes[thr_id], d_nonceVector[thr_id]); |
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else if (BLOCKSIZE == 84) |
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blake512_gpu_hash<84><<<grid, block, shared_size>>>(threads, startNounce, d_hash5output[thr_id], d_heftyHashes[thr_id], d_nonceVector[thr_id]); |
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} |
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} |
Christian Buchner
11 years ago