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https://github.com/GOSTSec/ccminer
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cubehash: improve a bit and cleanup
This commit is contained in:
Tanguy Pruvot
parent
08a3f3402c
commit
9c053042c9
@ -1,6 +1,5 @@
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#include "cuda_helper.h"
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typedef unsigned char BitSequence;
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#include <cuda_helper.h>
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#include <cuda_vectors.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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@ -18,17 +17,14 @@ typedef unsigned char BitSequence;
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__device__ __constant__
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static const uint32_t c_IV_512[32] = {
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0x2AEA2A61, 0x50F494D4, 0x2D538B8B,
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0x4167D83E, 0x3FEE2313, 0xC701CF8C,
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0xCC39968E, 0x50AC5695, 0x4D42C787,
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0xA647A8B3, 0x97CF0BEF, 0x825B4537,
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0xEEF864D2, 0xF22090C4, 0xD0E5CD33,
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0xA23911AE, 0xFCD398D9, 0x148FE485,
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0x1B017BEF, 0xB6444532, 0x6A536159,
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0x2FF5781C, 0x91FA7934, 0x0DBADEA9,
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0xD65C8A2B, 0xA5A70E75, 0xB1C62456,
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0xBC796576, 0x1921C8F7, 0xE7989AF1,
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0x7795D246, 0xD43E3B44
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0x2AEA2A61, 0x50F494D4, 0x2D538B8B, 0x4167D83E,
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0x3FEE2313, 0xC701CF8C, 0xCC39968E, 0x50AC5695,
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0x4D42C787, 0xA647A8B3, 0x97CF0BEF, 0x825B4537,
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0xEEF864D2, 0xF22090C4, 0xD0E5CD33, 0xA23911AE,
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0xFCD398D9, 0x148FE485, 0x1B017BEF, 0xB6444532,
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0x6A536159, 0x2FF5781C, 0x91FA7934, 0x0DBADEA9,
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0xD65C8A2B, 0xA5A70E75, 0xB1C62456, 0xBC796576,
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0x1921C8F7, 0xE7989AF1, 0x7795D246, 0xD43E3B44
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};
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__device__ __forceinline__
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@ -149,107 +145,68 @@ static void rrounds(uint32_t x[2][2][2][2][2])
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}
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__device__ __forceinline__
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static void block_tox(uint32_t block[16], uint32_t x[2][2][2][2][2])
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static void block_tox(uint32_t* const block, uint32_t x[2][2][2][2][2])
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{
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int k;
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int l;
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int m;
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uint32_t *in = block;
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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][0][k][l][m] ^= *in++;
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// read 32 bytes input from global mem with uint2 chunks
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AS_UINT2(x[0][0][0][0]) ^= AS_UINT2(&block[0]);
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AS_UINT2(x[0][0][0][1]) ^= AS_UINT2(&block[2]);
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AS_UINT2(x[0][0][1][0]) ^= AS_UINT2(&block[4]);
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AS_UINT2(x[0][0][1][1]) ^= AS_UINT2(&block[6]);
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}
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__device__ __forceinline__
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static void hash_fromx(uint32_t hash[16], uint32_t x[2][2][2][2][2])
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static void hash_fromx(uint32_t hash[16], uint32_t const x[2][2][2][2][2])
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{
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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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uint32_t *out = hash;
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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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*out++ = x[0][j][k][l][m];
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// used to write final hash to global mem
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AS_UINT2(&hash[ 0]) = AS_UINT2(x[0][0][0][0]);
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AS_UINT2(&hash[ 2]) = AS_UINT2(x[0][0][0][1]);
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AS_UINT2(&hash[ 4]) = AS_UINT2(x[0][0][1][0]);
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AS_UINT2(&hash[ 6]) = AS_UINT2(x[0][0][1][1]);
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AS_UINT2(&hash[ 8]) = AS_UINT2(x[0][1][0][0]);
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AS_UINT2(&hash[10]) = AS_UINT2(x[0][1][0][1]);
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AS_UINT2(&hash[12]) = AS_UINT2(x[0][1][1][0]);
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AS_UINT2(&hash[14]) = AS_UINT2(x[0][1][1][1]);
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}
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__device__
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void Init(uint32_t x[2][2][2][2][2])
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#define Init(x) \
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AS_UINT2(x[0][0][0][0]) = AS_UINT2(&c_IV_512[ 0]); \
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AS_UINT2(x[0][0][0][1]) = AS_UINT2(&c_IV_512[ 2]); \
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AS_UINT2(x[0][0][1][0]) = AS_UINT2(&c_IV_512[ 4]); \
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AS_UINT2(x[0][0][1][1]) = AS_UINT2(&c_IV_512[ 6]); \
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AS_UINT2(x[0][1][0][0]) = AS_UINT2(&c_IV_512[ 8]); \
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AS_UINT2(x[0][1][0][1]) = AS_UINT2(&c_IV_512[10]); \
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AS_UINT2(x[0][1][1][0]) = AS_UINT2(&c_IV_512[12]); \
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AS_UINT2(x[0][1][1][1]) = AS_UINT2(&c_IV_512[14]); \
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AS_UINT2(x[1][0][0][0]) = AS_UINT2(&c_IV_512[16]); \
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AS_UINT2(x[1][0][0][1]) = AS_UINT2(&c_IV_512[18]); \
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AS_UINT2(x[1][0][1][0]) = AS_UINT2(&c_IV_512[20]); \
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AS_UINT2(x[1][0][1][1]) = AS_UINT2(&c_IV_512[22]); \
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AS_UINT2(x[1][1][0][0]) = AS_UINT2(&c_IV_512[24]); \
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AS_UINT2(x[1][1][0][1]) = AS_UINT2(&c_IV_512[26]); \
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AS_UINT2(x[1][1][1][0]) = AS_UINT2(&c_IV_512[28]); \
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AS_UINT2(x[1][1][1][1]) = AS_UINT2(&c_IV_512[30]);
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__device__ __forceinline__
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static void Update32(uint32_t x[2][2][2][2][2], uint32_t* const data)
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{
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int i,j,k,l,m;
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#if 0
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/* "the first three state words x_00000, x_00001, x_00010" */
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/* "are set to the integers h/8, b, r respectively." */
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/* "the remaining state words are set to 0." */
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#pragma unroll 2
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for (i = 0;i < 2;++i)
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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[i][j][k][l][m] = 0;
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x[0][0][0][0][0] = 512/8;
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x[0][0][0][0][1] = CUBEHASH_BLOCKBYTES;
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x[0][0][0][1][0] = CUBEHASH_ROUNDS;
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/* "the state is then transformed invertibly through 10r identical rounds */
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for (i = 0;i < 10;++i) rrounds(x);
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#else
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const uint32_t *iv = c_IV_512;
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#pragma unroll 2
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for (i = 0;i < 2;++i)
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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[i][j][k][l][m] = *iv++;
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#endif
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/* "xor the block into the first b bytes of the state" */
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block_tox(data, x);
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/* "and then transform the state invertibly through r identical rounds" */
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rrounds(x);
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}
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__device__ __forceinline__
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static void Update32(uint32_t x[2][2][2][2][2], const BitSequence *data)
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static void Final(uint32_t x[2][2][2][2][2], uint32_t *hashval)
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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((uint32_t*)data, x);
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rrounds(x);
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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] ^= 1;
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__device__ __forceinline__
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static void Final(uint32_t x[2][2][2][2][2], BitSequence *hashval)
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{
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int i;
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/* "the state is then transformed invertibly through 10r identical rounds" */
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#pragma unroll 10
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for (int i = 0; i < 10; i++) rrounds(x);
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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] ^= 1;
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/* "the state is then transformed invertibly through 10r identical rounds" */
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#pragma unroll 10
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for (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((uint32_t*)hashval, 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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@ -269,20 +226,17 @@ void x11_cubehash512_gpu_hash_64(uint32_t threads, uint32_t startNounce, uint64_
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uint32_t x[2][2][2][2][2];
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Init(x);
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// erste Hälfte des Hashes (32 bytes)
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Update32(x, (const BitSequence*)Hash);
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// zweite Hälfte des Hashes (32 bytes)
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Update32(x, (const BitSequence*)(Hash+8));
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Update32(x, &Hash[0]);
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Update32(x, &Hash[8]);
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// Padding Block
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uint32_t last[8];
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last[0] = 0x80;
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#pragma unroll 7
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for (int i=1; i < 8; i++) last[i] = 0;
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Update32(x, (const BitSequence*)last);
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Update32(x, last);
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Final(x, (BitSequence*)Hash);
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Final(x, Hash);
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}
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}
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@ -332,12 +286,12 @@ void cubehash512_gpu_hash_80(const uint32_t threads, const uint32_t startNounce,
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// first 32 bytes
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AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[0]);
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AS_UINT4(&message[4]) = AS_UINT4(&c_PaddedMessage80[4]);
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Update32(x, (const BitSequence*)message);
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Update32(x, message);
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// second 32 bytes
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AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[8]);
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AS_UINT4(&message[4]) = AS_UINT4(&c_PaddedMessage80[12]);
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Update32(x, (const BitSequence*)message);
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Update32(x, message);
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// last 16 bytes + Padding
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AS_UINT4(&message[0]) = AS_UINT4(&c_PaddedMessage80[16]);
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@ -346,9 +300,9 @@ void cubehash512_gpu_hash_80(const uint32_t threads, const uint32_t startNounce,
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message[5] = 0;
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message[6] = 0;
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message[7] = 0;
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Update32(x, (const BitSequence*)message);
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Update32(x, message);
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BitSequence* output = (BitSequence*) (&g_outhash[(size_t)8 * thread]);
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uint32_t* output = (uint32_t*) (&g_outhash[(size_t)8 * thread]);
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Final(x, output);
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}
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}
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