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tribus: handle jh80 midstate (+10%)

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This commit is contained in:
Tanguy Pruvot 2017-07-07 15:01:28 +02:00
parent 807e141a4d
commit 7ce3f2ccce
1 changed files with 90 additions and 1 deletions
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91
quark/cuda_jh512.cu
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@ -1,3 +1,8 @@
/**
* JH512 64 and 80 kernels
*
* JH80 by tpruvot - 2017 - under GPLv3
**/
#include <cuda_helper.h> #include <cuda_helper.h>
// #include <stdio.h> // printf // #include <stdio.h> // printf
@ -335,7 +340,7 @@ void quark_jh512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce,
// Setup function // Setup function
__host__ void quark_jh512_cpu_init(int thr_id, uint32_t threads) {} __host__ void quark_jh512_cpu_init(int thr_id, uint32_t threads) {}
#define WANT_JH80 #define WANT_JH80_MIDSTATE
#ifdef WANT_JH80 #ifdef WANT_JH80
__constant__ __constant__
@ -417,3 +422,87 @@ void jh512_cuda_hash_80(const int thr_id, const uint32_t threads, const uint32_t
} }
#endif #endif
#ifdef WANT_JH80_MIDSTATE
__constant__ static uint32_t c_JHState[32];
__constant__ static uint32_t c_Message[4];
__global__
void jh512_gpu_hash_80(const uint32_t threads, const uint32_t startNounce, uint32_t * g_outhash)
{
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
// 1 (precomputed state)
uint32_t x[8][4];
AS_UINT4(&x[0][0]) = AS_UINT4(&c_JHState[ 0]);
AS_UINT4(&x[1][0]) = AS_UINT4(&c_JHState[ 4]);
AS_UINT4(&x[2][0]) = AS_UINT4(&c_JHState[ 8]);
AS_UINT4(&x[3][0]) = AS_UINT4(&c_JHState[12]);
AS_UINT4(&x[4][0]) = AS_UINT4(&c_JHState[16]);
AS_UINT4(&x[5][0]) = AS_UINT4(&c_JHState[20]);
AS_UINT4(&x[6][0]) = AS_UINT4(&c_JHState[24]);
AS_UINT4(&x[7][0]) = AS_UINT4(&c_JHState[28]);
// 2 (16 bytes with nonce)
uint32_t h[4];
AS_UINT2(&h[0]) = AS_UINT2(&c_Message[0]);
h[2] = c_Message[2];
h[3] = cuda_swab32(startNounce + thread);
#pragma unroll
for (int i = 0; i < 4; i++)
x[0][i] ^= h[i];
x[1][0] ^= 0x80U;
E8(x);
#pragma unroll
for (int i = 0; i < 4; i++)
x[4][i] ^= h[i];
x[5][0] ^= 0x80U;
// 3 close
x[3][3] ^= 0x80020000U; // 80 bytes = 640bits (0x280)
E8(x);
x[7][3] ^= 0x80020000U;
uint32_t *Hash = &g_outhash[(size_t)16 * thread];
AS_UINT4(&Hash[ 0]) = AS_UINT4(&x[4][0]);
AS_UINT4(&Hash[ 4]) = AS_UINT4(&x[5][0]);
AS_UINT4(&Hash[ 8]) = AS_UINT4(&x[6][0]);
AS_UINT4(&Hash[12]) = AS_UINT4(&x[7][0]);
}
}
__host__
void jh512_cuda_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNounce, uint32_t *d_hash)
{
const uint32_t threadsperblock = 256;
dim3 grid((threads + threadsperblock - 1) / threadsperblock);
dim3 block(threadsperblock);
jh512_gpu_hash_80 <<<grid, block>>> (threads, startNounce, d_hash);
}
extern "C" {
#undef SPH_C32
#undef SPH_T32
#undef SPH_C64
#undef SPH_T64
#include <sph/sph_jh.h>
}
__host__
void jh512_setBlock_80(int thr_id, uint32_t *endiandata)
{
sph_jh512_context ctx_jh;
sph_jh512_init(&ctx_jh);
sph_jh512(&ctx_jh, endiandata, 64);
cudaMemcpyToSymbol(c_JHState, ctx_jh.H.narrow, 128, 0, cudaMemcpyHostToDevice);
cudaMemcpyToSymbol(c_Message, &endiandata[16], sizeof(c_Message), 0, cudaMemcpyHostToDevice);
}
#endif