diff --git a/x11/cuda_x11_cubehash512.cu b/x11/cuda_x11_cubehash512.cu index 2b3753f..f7ce97c 100644 --- a/x11/cuda_x11_cubehash512.cu +++ b/x11/cuda_x11_cubehash512.cu @@ -1,6 +1,5 @@ -#include "cuda_helper.h" - -typedef unsigned char BitSequence; +#include +#include #define CUBEHASH_ROUNDS 16 /* this is r for CubeHashr/b */ #define CUBEHASH_BLOCKBYTES 32 /* this is b for CubeHashr/b */ @@ -18,17 +17,14 @@ typedef unsigned char BitSequence; __device__ __constant__ static const uint32_t c_IV_512[32] = { - 0x2AEA2A61, 0x50F494D4, 0x2D538B8B, - 0x4167D83E, 0x3FEE2313, 0xC701CF8C, - 0xCC39968E, 0x50AC5695, 0x4D42C787, - 0xA647A8B3, 0x97CF0BEF, 0x825B4537, - 0xEEF864D2, 0xF22090C4, 0xD0E5CD33, - 0xA23911AE, 0xFCD398D9, 0x148FE485, - 0x1B017BEF, 0xB6444532, 0x6A536159, - 0x2FF5781C, 0x91FA7934, 0x0DBADEA9, - 0xD65C8A2B, 0xA5A70E75, 0xB1C62456, - 0xBC796576, 0x1921C8F7, 0xE7989AF1, - 0x7795D246, 0xD43E3B44 + 0x2AEA2A61, 0x50F494D4, 0x2D538B8B, 0x4167D83E, + 0x3FEE2313, 0xC701CF8C, 0xCC39968E, 0x50AC5695, + 0x4D42C787, 0xA647A8B3, 0x97CF0BEF, 0x825B4537, + 0xEEF864D2, 0xF22090C4, 0xD0E5CD33, 0xA23911AE, + 0xFCD398D9, 0x148FE485, 0x1B017BEF, 0xB6444532, + 0x6A536159, 0x2FF5781C, 0x91FA7934, 0x0DBADEA9, + 0xD65C8A2B, 0xA5A70E75, 0xB1C62456, 0xBC796576, + 0x1921C8F7, 0xE7989AF1, 0x7795D246, 0xD43E3B44 }; __device__ __forceinline__ @@ -149,107 +145,68 @@ static void rrounds(uint32_t x[2][2][2][2][2]) } __device__ __forceinline__ -static void block_tox(uint32_t block[16], uint32_t x[2][2][2][2][2]) +static void block_tox(uint32_t* const block, uint32_t x[2][2][2][2][2]) { - int k; - int l; - int m; - uint32_t *in = block; - -#pragma unroll 2 - for (k = 0;k < 2;++k) -#pragma unroll 2 - for (l = 0;l < 2;++l) -#pragma unroll 2 - for (m = 0;m < 2;++m) - x[0][0][k][l][m] ^= *in++; + // read 32 bytes input from global mem with uint2 chunks + AS_UINT2(x[0][0][0][0]) ^= AS_UINT2(&block[0]); + AS_UINT2(x[0][0][0][1]) ^= AS_UINT2(&block[2]); + AS_UINT2(x[0][0][1][0]) ^= AS_UINT2(&block[4]); + AS_UINT2(x[0][0][1][1]) ^= AS_UINT2(&block[6]); } __device__ __forceinline__ -static void hash_fromx(uint32_t hash[16], uint32_t x[2][2][2][2][2]) +static void hash_fromx(uint32_t hash[16], uint32_t const x[2][2][2][2][2]) { - int j; - int k; - int l; - int m; - uint32_t *out = hash; - -#pragma unroll 2 - for (j = 0;j < 2;++j) -#pragma unroll 2 - for (k = 0;k < 2;++k) -#pragma unroll 2 - for (l = 0;l < 2;++l) -#pragma unroll 2 - for (m = 0;m < 2;++m) - *out++ = x[0][j][k][l][m]; + // used to write final hash to global mem + AS_UINT2(&hash[ 0]) = AS_UINT2(x[0][0][0][0]); + AS_UINT2(&hash[ 2]) = AS_UINT2(x[0][0][0][1]); + AS_UINT2(&hash[ 4]) = AS_UINT2(x[0][0][1][0]); + AS_UINT2(&hash[ 6]) = AS_UINT2(x[0][0][1][1]); + AS_UINT2(&hash[ 8]) = AS_UINT2(x[0][1][0][0]); + AS_UINT2(&hash[10]) = AS_UINT2(x[0][1][0][1]); + AS_UINT2(&hash[12]) = AS_UINT2(x[0][1][1][0]); + AS_UINT2(&hash[14]) = AS_UINT2(x[0][1][1][1]); } -__device__ -void Init(uint32_t x[2][2][2][2][2]) -{ - int i,j,k,l,m; -#if 0 - /* "the first three state words x_00000, x_00001, x_00010" */ - /* "are set to the integers h/8, b, r respectively." */ - /* "the remaining state words are set to 0." */ -#pragma unroll 2 - for (i = 0;i < 2;++i) -#pragma unroll 2 - for (j = 0;j < 2;++j) -#pragma unroll 2 - for (k = 0;k < 2;++k) -#pragma unroll 2 - for (l = 0;l < 2;++l) -#pragma unroll 2 - for (m = 0;m < 2;++m) - x[i][j][k][l][m] = 0; - x[0][0][0][0][0] = 512/8; - x[0][0][0][0][1] = CUBEHASH_BLOCKBYTES; - x[0][0][0][1][0] = CUBEHASH_ROUNDS; - - /* "the state is then transformed invertibly through 10r identical rounds */ - for (i = 0;i < 10;++i) rrounds(x); -#else - const uint32_t *iv = c_IV_512; - -#pragma unroll 2 - for (i = 0;i < 2;++i) -#pragma unroll 2 - for (j = 0;j < 2;++j) -#pragma unroll 2 - for (k = 0;k < 2;++k) -#pragma unroll 2 - for (l = 0;l < 2;++l) -#pragma unroll 2 - for (m = 0;m < 2;++m) - x[i][j][k][l][m] = *iv++; -#endif -} +#define Init(x) \ + AS_UINT2(x[0][0][0][0]) = AS_UINT2(&c_IV_512[ 0]); \ + AS_UINT2(x[0][0][0][1]) = AS_UINT2(&c_IV_512[ 2]); \ + AS_UINT2(x[0][0][1][0]) = AS_UINT2(&c_IV_512[ 4]); \ + AS_UINT2(x[0][0][1][1]) = AS_UINT2(&c_IV_512[ 6]); \ + AS_UINT2(x[0][1][0][0]) = AS_UINT2(&c_IV_512[ 8]); \ + AS_UINT2(x[0][1][0][1]) = AS_UINT2(&c_IV_512[10]); \ + AS_UINT2(x[0][1][1][0]) = AS_UINT2(&c_IV_512[12]); \ + AS_UINT2(x[0][1][1][1]) = AS_UINT2(&c_IV_512[14]); \ + AS_UINT2(x[1][0][0][0]) = AS_UINT2(&c_IV_512[16]); \ + AS_UINT2(x[1][0][0][1]) = AS_UINT2(&c_IV_512[18]); \ + AS_UINT2(x[1][0][1][0]) = AS_UINT2(&c_IV_512[20]); \ + AS_UINT2(x[1][0][1][1]) = AS_UINT2(&c_IV_512[22]); \ + AS_UINT2(x[1][1][0][0]) = AS_UINT2(&c_IV_512[24]); \ + AS_UINT2(x[1][1][0][1]) = AS_UINT2(&c_IV_512[26]); \ + AS_UINT2(x[1][1][1][0]) = AS_UINT2(&c_IV_512[28]); \ + AS_UINT2(x[1][1][1][1]) = AS_UINT2(&c_IV_512[30]); __device__ __forceinline__ -static void Update32(uint32_t x[2][2][2][2][2], const BitSequence *data) +static void Update32(uint32_t x[2][2][2][2][2], uint32_t* const data) { - /* "xor the block into the first b bytes of the state" */ - /* "and then transform the state invertibly through r identical rounds" */ - block_tox((uint32_t*)data, x); - rrounds(x); + /* "xor the block into the first b bytes of the state" */ + block_tox(data, x); + /* "and then transform the state invertibly through r identical rounds" */ + rrounds(x); } __device__ __forceinline__ -static void Final(uint32_t x[2][2][2][2][2], BitSequence *hashval) +static void Final(uint32_t x[2][2][2][2][2], uint32_t *hashval) { - int i; + /* "the integer 1 is xored into the last state word x_11111" */ + x[1][1][1][1][1] ^= 1; - /* "the integer 1 is xored into the last state word x_11111" */ - x[1][1][1][1][1] ^= 1; + /* "the state is then transformed invertibly through 10r identical rounds" */ + #pragma unroll 10 + for (int i = 0; i < 10; i++) rrounds(x); - /* "the state is then transformed invertibly through 10r identical rounds" */ -#pragma unroll 10 - for (i = 0;i < 10;++i) rrounds(x); - - /* "output the first h/8 bytes of the state" */ - hash_fromx((uint32_t*)hashval, x); + /* "output the first h/8 bytes of the state" */ + hash_fromx(hashval, x); } @@ -269,20 +226,17 @@ void x11_cubehash512_gpu_hash_64(uint32_t threads, uint32_t startNounce, uint64_ uint32_t x[2][2][2][2][2]; Init(x); - // erste Hälfte des Hashes (32 bytes) - Update32(x, (const BitSequence*)Hash); - - // zweite Hälfte des Hashes (32 bytes) - Update32(x, (const BitSequence*)(Hash+8)); + Update32(x, &Hash[0]); + Update32(x, &Hash[8]); // Padding Block uint32_t last[8]; last[0] = 0x80; #pragma unroll 7 for (int i=1; i < 8; i++) last[i] = 0; - Update32(x, (const BitSequence*)last); + Update32(x, last); - Final(x, (BitSequence*)Hash); + Final(x, Hash); } } @@ -332,12 +286,12 @@ void cubehash512_gpu_hash_80(const uint32_t threads, const uint32_t startNounce, // first 32 bytes AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[0]); AS_UINT4(&message[4]) = AS_UINT4(&c_PaddedMessage80[4]); - Update32(x, (const BitSequence*)message); + Update32(x, message); // second 32 bytes AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[8]); AS_UINT4(&message[4]) = AS_UINT4(&c_PaddedMessage80[12]); - Update32(x, (const BitSequence*)message); + Update32(x, message); // last 16 bytes + Padding AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[16]); @@ -346,9 +300,9 @@ void cubehash512_gpu_hash_80(const uint32_t threads, const uint32_t startNounce, message[5] = 0; message[6] = 0; message[7] = 0; - Update32(x, (const BitSequence*)message); + Update32(x, message); - BitSequence* output = (BitSequence*) (&g_outhash[(size_t)8 * thread]); + uint32_t* output = (uint32_t*) (&g_outhash[(size_t)8 * thread]); Final(x, output); } }