GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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#include <memory.h>
#include "cuda_helper.h"
static __constant__ uint64_t SKEIN_IV512_256[8] = {
0xCCD044A12FDB3E13, 0xE83590301A79A9EB,
0x55AEA0614F816E6F, 0x2A2767A4AE9B94DB,
0xEC06025E74DD7683, 0xE7A436CDC4746251,
0xC36FBAF9393AD185, 0x3EEDBA1833EDFC13
};
static __constant__ uint2 vSKEIN_IV512_256[8] = {
{ 0x2FDB3E13, 0xCCD044A1 },
{ 0x1A79A9EB, 0xE8359030 },
{ 0x4F816E6F, 0x55AEA061 },
{ 0xAE9B94DB, 0x2A2767A4 },
{ 0x74DD7683, 0xEC06025E },
{ 0xC4746251, 0xE7A436CD },
{ 0x393AD185, 0xC36FBAF9 },
{ 0x33EDFC13, 0x3EEDBA18 }
};
static __constant__ int8_t ROT256[8][4] = {
46, 36, 19, 37,
33, 27, 14, 42,
17, 49, 36, 39,
44, 9, 54, 56,
39, 30, 34, 24,
13, 50, 10, 17,
25, 29, 39, 43,
8, 35, 56, 22,
};
static __constant__ uint2 t12[6] = {
{ 0x20, 0 },
{ 0, 0xf0000000 },
{ 0x20, 0xf0000000 },
{ 0x08, 0 },
{ 0, 0xff000000 },
{ 0x08, 0xff000000 }
};
static __constant__ uint2 skein_ks_parity = { 0xA9FC1A22, 0x1BD11BDA };
static __constant__ uint64_t skein_ks_parity64 = 0x1BD11BDAA9FC1A22ull;
static __forceinline__ __device__
void Round512v35(uint2 &p0, uint2 &p1, uint2 &p2, uint2 &p3, uint2 &p4, uint2 &p5, uint2 &p6, uint2 &p7, int ROT)
{
p0 += p1; p1 = ROL2(p1, ROT256[ROT][0]) ^ p0;
p2 += p3; p3 = ROL2(p3, ROT256[ROT][1]) ^ p2;
p4 += p5; p5 = ROL2(p5, ROT256[ROT][2]) ^ p4;
p6 += p7; p7 = ROL2(p7, ROT256[ROT][3]) ^ p6;
}
static __forceinline__ __device__
void Round_8_512v35(uint2 *ks, uint2 *ts,
uint2 &p0, uint2 &p1, uint2 &p2, uint2 &p3,
uint2 &p4, uint2 &p5, uint2 &p6, uint2 &p7, int R)
{
Round512v35(p0, p1, p2, p3, p4, p5, p6, p7, 0);
Round512v35(p2, p1, p4, p7, p6, p5, p0, p3, 1);
Round512v35(p4, p1, p6, p3, p0, p5, p2, p7, 2);
Round512v35(p6, p1, p0, p7, p2, p5, p4, p3, 3);
p0 += ks[(R+0) % 9]; /* inject the key schedule value */
p1 += ks[(R+1) % 9];
p2 += ks[(R+2) % 9];
p3 += ks[(R+3) % 9];
p4 += ks[(R+4) % 9];
p5 += ks[(R+5) % 9] + ts[(R+0) % 3];
p6 += ks[(R+6) % 9] + ts[(R+1) % 3];
p7 += ks[(R+7) % 9] + make_uint2((R),0);
Round512v35(p0, p1, p2, p3, p4, p5, p6, p7, 4);
Round512v35(p2, p1, p4, p7, p6, p5, p0, p3, 5);
Round512v35(p4, p1, p6, p3, p0, p5, p2, p7, 6);
Round512v35(p6, p1, p0, p7, p2, p5, p4, p3, 7);
p0 += ks[(R+1) % 9]; /* inject the key schedule value */
p1 += ks[(R+2) % 9];
p2 += ks[(R+3) % 9];
p3 += ks[(R+4) % 9];
p4 += ks[(R+5) % 9];
p5 += ks[(R+6) % 9] + ts[(R+1) % 3];
p6 += ks[(R+7) % 9] + ts[(R+2) % 3];
p7 += ks[(R+8) % 9] + make_uint2(R+1, 0);
}
__global__ __launch_bounds__(256,3)
void skein256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint64_t *outputHash)
{
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
uint2 h[9], t[3] = { t12[0], t12[1], t12[2] };
h[8] = skein_ks_parity;
for (int i = 0; i<8; i++) {
h[i] = vSKEIN_IV512_256[i];
h[8] ^= h[i];
}
uint2 dt0 = vectorize(outputHash[thread]);
uint2 dt1 = vectorize(outputHash[threads + thread]);
uint2 dt2 = vectorize(outputHash[threads*2 + thread]);
uint2 dt3 = vectorize(outputHash[threads*3 + thread]);
uint2 p0 = h[0] + dt0;
uint2 p1 = h[1] + dt1;
uint2 p2 = h[2] + dt2;
uint2 p3 = h[3] + dt3;
uint2 p4 = h[4];
uint2 p5 = h[5] + t[0];
uint2 p6 = h[6] + t[1];
uint2 p7 = h[7];
#pragma unroll 9
for (int i = 1; i<19; i+=2) {
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, i);
}
p0 ^= dt0;
p1 ^= dt1;
p2 ^= dt2;
p3 ^= dt3;
h[0] = p0;
h[1] = p1;
h[2] = p2;
h[3] = p3;
h[4] = p4;
h[5] = p5;
h[6] = p6;
h[7] = p7;
h[8] = skein_ks_parity;
#pragma unroll 8
for (int i = 0; i<8; i++) {
h[8] ^= h[i];
}
t[0] = t12[3];
t[1] = t12[4];
t[2] = t12[5];
p5 += t[0];
p6 += t[1];
#pragma unroll 9
for (int i = 1; i<19; i+=2) {
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, i);
}
outputHash[thread] = devectorize(p0);
outputHash[threads + thread] = devectorize(p1);
outputHash[threads*2 + thread] = devectorize(p2);
outputHash[threads*3 + thread] = devectorize(p3);
}
}
static __forceinline__ __device__
void Round512v30(uint64_t &p0, uint64_t &p1, uint64_t &p2, uint64_t &p3,
uint64_t &p4, uint64_t &p5, uint64_t &p6, uint64_t &p7, int ROT)
{
p0 += p1; p1 = ROTL64(p1, ROT256[ROT][0]) ^ p0;
p2 += p3; p3 = ROTL64(p3, ROT256[ROT][1]) ^ p2;
p4 += p5; p5 = ROTL64(p5, ROT256[ROT][2]) ^ p4;
p6 += p7; p7 = ROTL64(p7, ROT256[ROT][3]) ^ p6;
}
static __forceinline__ __device__
void Round_8_512v30(uint64_t *ks, uint64_t *ts, uint64_t &p0, uint64_t &p1, uint64_t &p2, uint64_t &p3,
uint64_t &p4, uint64_t &p5, uint64_t &p6, uint64_t &p7, int R)
{
Round512v30(p0, p1, p2, p3, p4, p5, p6, p7, 0);
Round512v30(p2, p1, p4, p7, p6, p5, p0, p3, 1);
Round512v30(p4, p1, p6, p3, p0, p5, p2, p7, 2);
Round512v30(p6, p1, p0, p7, p2, p5, p4, p3, 3);
p0 += ks[(R+0) % 9]; /* inject the key schedule value */
p1 += ks[(R+1) % 9];
p2 += ks[(R+2) % 9];
p3 += ks[(R+3) % 9];
p4 += ks[(R+4) % 9];
p5 += ks[(R+5) % 9] + ts[(R+0) % 3];
p6 += ks[(R+6) % 9] + ts[(R+1) % 3];
p7 += ks[(R+7) % 9] + R;
Round512v30(p0, p1, p2, p3, p4, p5, p6, p7, 4);
Round512v30(p2, p1, p4, p7, p6, p5, p0, p3, 5);
Round512v30(p4, p1, p6, p3, p0, p5, p2, p7, 6);
Round512v30(p6, p1, p0, p7, p2, p5, p4, p3, 7);
p0 += ks[(R+1) % 9]; /* inject the key schedule value */
p1 += ks[(R+2) % 9];
p2 += ks[(R+3) % 9];
p3 += ks[(R+4) % 9];
p4 += ks[(R+5) % 9];
p5 += ks[(R+6) % 9] + ts[(R+1) % 3];
p6 += ks[(R+7) % 9] + ts[(R+2) % 3];
p7 += ks[(R+8) % 9] + R+1;
}
__global__ __launch_bounds__(256, 3)
void skein256_gpu_hash_32_v30(uint32_t threads, uint32_t startNounce, uint64_t *outputHash)
{
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
uint64_t h[9], t[3];
h[8] = skein_ks_parity64;
for (int i = 0; i<8; i++) {
h[i] = SKEIN_IV512_256[i];
h[8] ^= h[i];
}
t[0] = devectorize(t12[0]);
t[1] = devectorize(t12[1]);
t[2] = devectorize(t12[2]);
uint64_t dt0 = outputHash[thread];
uint64_t dt1 = outputHash[threads + thread];
uint64_t dt2 = outputHash[threads*2 + thread];
uint64_t dt3 = outputHash[threads*3 + thread];
uint64_t p0 = h[0] + dt0;
uint64_t p1 = h[1] + dt1;
uint64_t p2 = h[2] + dt2;
uint64_t p3 = h[3] + dt3;
uint64_t p4 = h[4];
uint64_t p5 = h[5] + t[0];
uint64_t p6 = h[6] + t[1];
uint64_t p7 = h[7];
#pragma unroll 9
for (int i = 1; i<19; i += 2) {
Round_8_512v30(h, t, p0, p1, p2, p3, p4, p5, p6, p7, i);
}
p0 ^= dt0;
p1 ^= dt1;
p2 ^= dt2;
p3 ^= dt3;
h[0] = p0;
h[1] = p1;
h[2] = p2;
h[3] = p3;
h[4] = p4;
h[5] = p5;
h[6] = p6;
h[7] = p7;
h[8] = skein_ks_parity64;
#pragma unroll 8
for (int i = 0; i<8; i++) {
h[8] ^= h[i];
}
t[0] = devectorize(t12[3]);
t[1] = devectorize(t12[4]);
t[2] = devectorize(t12[5]);
p5 += t[0]; //p5 already equal h[5]
p6 += t[1];
#pragma unroll 9
for (int i = 1; i<19; i += 2) {
Round_8_512v30(h, t, p0, p1, p2, p3, p4, p5, p6, p7, i);
}
outputHash[thread] = p0;
outputHash[threads + thread] = p1;
outputHash[threads*2 + thread] = p2;
outputHash[threads*3 + thread] = p3;
} //thread
}
__host__
void skein256_cpu_init(int thr_id, uint32_t threads)
{
cuda_get_arch(thr_id);
}
__host__
void skein256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_outputHash, int order)
{
const uint32_t threadsperblock = 256;
dim3 grid((threads + threadsperblock - 1) / threadsperblock);
dim3 block(threadsperblock);
// only 1kH/s perf change between kernels on a 960...
if (device_sm[device_map[thr_id]] > 300 && cuda_arch[device_map[thr_id]] > 300)
skein256_gpu_hash_32<<<grid, block>>>(threads, startNounce, d_outputHash);
else
skein256_gpu_hash_32_v30<<<grid, block>>>(threads, startNounce, d_outputHash);
MyStreamSynchronize(NULL, order, thr_id);
}