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lyra2v2: set a better TPB for intensity 20 (sm52) 

use sp forced unroll in skein and do some cleanup...
master
Tanguy Pruvot 9 years ago
parent
5a08c21355
commit
6a9280a045
4 changed files with 78 additions and 67 deletions
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  1. 31
      Algo256/cuda_skein256.cu
  2. 104
      lyra2/cuda_lyra2v2.cu
  3. 4
      lyra2/lyra2REv2.cu
  4. 2
      util.cpp

31
Algo256/cuda_skein256.cu
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@ -119,10 +119,16 @@ void skein256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint64_t *outp
p6 = h[6] + t12[1]; p6 = h[6] + t12[1];
p7 = h[7]; p7 = h[7];
#pragma unroll // forced unroll required
for (int i = 1; i<19; i+=2) { Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 1);
Round_8_512v35(h,t12,p0,p1,p2,p3,p4,p5,p6,p7,i); Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 3);
} Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 5);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 7);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 9);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 11);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 13);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 15);
Round_8_512v35(h, t12, p0, p1, p2, p3, p4, p5, p6, p7, 17);
p0 ^= dt0; p0 ^= dt0;
p1 ^= dt1; p1 ^= dt1;
@ -143,11 +149,17 @@ void skein256_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint64_t *outp
p5 += t12[3]; //p5 already equal h[5] p5 += t12[3]; //p5 already equal h[5]
p6 += t12[4]; p6 += t12[4];
#pragma unroll // forced unroll
for (int i = 1; i<17; i+=2) { Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 1);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, i); Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 3);
} Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 5);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 7);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 9);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 11);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 13);
Round_8_512v35(h, t, p0, p1, p2, p3, p4, p5, p6, p7, 15);
Round_8_512v35_final(h, t, p0, p1, p2, p3, p4, p5, p6, p7); Round_8_512v35_final(h, t, p0, p1, p2, p3, p4, p5, p6, p7);
outputHash[thread] = devectorize(p0); outputHash[thread] = devectorize(p0);
outputHash[threads+thread] = devectorize(p1); outputHash[threads+thread] = devectorize(p1);
outputHash[2*threads+thread] = devectorize(p2); outputHash[2*threads+thread] = devectorize(p2);
@ -285,12 +297,13 @@ __host__
void skein256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_outputHash, int order) 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; const uint32_t threadsperblock = 256;
int dev_id = device_map[thr_id];
dim3 grid((threads + threadsperblock - 1) / threadsperblock); dim3 grid((threads + threadsperblock - 1) / threadsperblock);
dim3 block(threadsperblock); dim3 block(threadsperblock);
// only 1kH/s perf change between kernels on a 960... // 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) if (device_sm[dev_id] > 300 && cuda_arch[dev_id] > 300)
skein256_gpu_hash_32<<<grid, block>>>(threads, startNounce, d_outputHash); skein256_gpu_hash_32<<<grid, block>>>(threads, startNounce, d_outputHash);
else else
skein256_gpu_hash_32_v30<<<grid, block>>>(threads, startNounce, d_outputHash); skein256_gpu_hash_32_v30<<<grid, block>>>(threads, startNounce, d_outputHash);

104
lyra2/cuda_lyra2v2.cu
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@ -2,7 +2,7 @@
#include <stdint.h> #include <stdint.h>
#include <memory.h> #include <memory.h>
#define TPB52 10 #define TPB52 8
#define TPB50 16 #define TPB50 16
#include "cuda_lyra2v2_sm3.cuh" #include "cuda_lyra2v2_sm3.cuh"
@ -27,8 +27,8 @@ __device__ __forceinline__
void Gfunc_v5(uint2 &a, uint2 &b, uint2 &c, uint2 &d) void Gfunc_v5(uint2 &a, uint2 &b, uint2 &c, uint2 &d)
{ {
a += b; d ^= a; d = SWAPUINT2(d); a += b; d ^= a; d = SWAPUINT2(d);
c += d; b ^= c; b = ROR24(b); c += d; b ^= c; b = ROR2(b, 24);
a += b; d ^= a; d = ROR16(d); a += b; d ^= a; d = ROR2(d, 16);
c += d; b ^= c; b = ROR2(b, 63); c += d; b ^= c; b = ROR2(b, 63);
} }
@ -47,11 +47,11 @@ void round_lyra_v5(uint4x2* s)
} }
__device__ __forceinline__ __device__ __forceinline__
void reduceDuplex(uint4x2 state[4], uint32_t thread) void reduceDuplex(uint4x2 state[4], const uint32_t thread)
{ {
uint4x2 state1[3]; uint4x2 state1[3];
uint32_t ps1 = (Nrow * Ncol * memshift * thread); const uint32_t ps1 = (Nrow * Ncol * memshift * thread);
uint32_t ps2 = (memshift * (Ncol-1) + memshift * Ncol + Nrow * Ncol * memshift * thread); const uint32_t ps2 = (memshift * (Ncol-1) + memshift * Ncol + Nrow * Ncol * memshift * thread);
#pragma unroll 4 #pragma unroll 4
for (int i = 0; i < Ncol; i++) for (int i = 0; i < Ncol; i++)
@ -80,16 +80,16 @@ void reduceDuplex(uint4x2 state[4], uint32_t thread)
} }
__device__ __forceinline__ __device__ __forceinline__
void reduceDuplex50(uint4x2 state[4], uint32_t thread) void reduceDuplex50(uint4x2 state[4], const uint32_t thread)
{ {
uint32_t ps1 = (Nrow * Ncol * memshift * thread); const uint32_t ps1 = (Nrow * Ncol * memshift * thread);
uint32_t ps2 = (memshift * (Ncol - 1) + memshift * Ncol + Nrow * Ncol * memshift * thread); const uint32_t ps2 = (memshift * (Ncol - 1) + memshift * Ncol + Nrow * Ncol * memshift * thread);
#pragma unroll 4 #pragma unroll 4
for (int i = 0; i < Ncol; i++) for (int i = 0; i < Ncol; i++)
{ {
uint32_t s1 = ps1 + i*memshift; const uint32_t s1 = ps1 + i*memshift;
uint32_t s2 = ps2 - i*memshift; const int32_t s2 = ps2 - i*memshift;
#pragma unroll #pragma unroll
for (int j = 0; j < 3; j++) for (int j = 0; j < 3; j++)
@ -104,19 +104,19 @@ void reduceDuplex50(uint4x2 state[4], uint32_t thread)
} }
__device__ __forceinline__ __device__ __forceinline__
void reduceDuplexRowSetupV2(const int rowIn, const int rowInOut, const int rowOut, uint4x2 state[4], uint32_t thread) void reduceDuplexRowSetupV2(const int rowIn, const int rowInOut, const int rowOut, uint4x2 state[4], const uint32_t thread)
{ {
uint4x2 state2[3], state1[3]; uint4x2 state2[3], state1[3];
uint32_t ps1 = (memshift * Ncol * rowIn + Nrow * Ncol * memshift * thread); const uint32_t ps1 = (memshift * Ncol * rowIn + Nrow * Ncol * memshift * thread);
uint32_t ps2 = (memshift * Ncol * rowInOut + Nrow * Ncol * memshift * thread); const uint32_t ps2 = (memshift * Ncol * rowInOut + Nrow * Ncol * memshift * thread);
uint32_t ps3 = (memshift * (Ncol-1) + memshift * Ncol * rowOut + Nrow * Ncol * memshift * thread); const uint32_t ps3 = (memshift * (Ncol-1) + memshift * Ncol * rowOut + Nrow * Ncol * memshift * thread);
for (int i = 0; i < Ncol; i++) for (int i = 0; i < Ncol; i++)
{ {
uint32_t s1 = ps1 + i*memshift; const uint32_t s1 = ps1 + i*memshift;
uint32_t s2 = ps2 + i*memshift; const uint32_t s2 = ps2 + i*memshift;
uint32_t s3 = ps3 - i*memshift; const uint32_t s3 = ps3 - i*memshift;
#if __CUDA_ARCH__ == 500 #if __CUDA_ARCH__ == 500
@ -179,18 +179,18 @@ void reduceDuplexRowSetupV2(const int rowIn, const int rowInOut, const int rowOu
__device__ __forceinline__ __device__ __forceinline__
void reduceDuplexRowtV2(const int rowIn, const int rowInOut, const int rowOut, uint4x2* state, uint32_t thread) void reduceDuplexRowtV2(const int rowIn, const int rowInOut, const int rowOut, uint4x2* state, const uint32_t thread)
{ {
uint4x2 state1[3],state2[3]; uint4x2 state1[3], state2[3];
uint32_t ps1 = (memshift * Ncol * rowIn + Nrow * Ncol * memshift * thread); const uint32_t ps1 = (memshift * Ncol * rowIn + Nrow * Ncol * memshift * thread);
uint32_t ps2 = (memshift * Ncol * rowInOut + Nrow * Ncol * memshift * thread); const uint32_t ps2 = (memshift * Ncol * rowInOut + Nrow * Ncol * memshift * thread);
uint32_t ps3 = (memshift * Ncol * rowOut + Nrow * Ncol * memshift * thread); const uint32_t ps3 = (memshift * Ncol * rowOut + Nrow * Ncol * memshift * thread);
for (int i = 0; i < Ncol; i++) for (int i = 0; i < Ncol; i++)
{ {
uint32_t s1 = ps1 + i*memshift; const uint32_t s1 = ps1 + i*memshift;
uint32_t s2 = ps2 + i*memshift; const uint32_t s2 = ps2 + i*memshift;
uint32_t s3 = ps3 + i*memshift; const uint32_t s3 = ps3 + i*memshift;
#pragma unroll #pragma unroll
for (int j = 0; j < 3; j++) for (int j = 0; j < 3; j++)
@ -255,12 +255,10 @@ __global__ __launch_bounds__(TPB50, 1)
#else #else
__global__ __launch_bounds__(TPB52, 1) __global__ __launch_bounds__(TPB52, 1)
#endif #endif
void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHash) void lyra2v2_gpu_hash_32(const uint32_t threads, uint32_t startNounce, uint2 *g_hash)
{ {
const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
uint4x2 state[4];
uint4x2 blake2b_IV[2]; uint4x2 blake2b_IV[2];
if (threadIdx.x == 0) { if (threadIdx.x == 0) {
@ -275,10 +273,12 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
if (thread < threads) if (thread < threads)
{ {
((uint2*)state)[0] = __ldg(&outputHash[thread]); uint4x2 state[4];
((uint2*)state)[1] = __ldg(&outputHash[thread + threads]);
((uint2*)state)[2] = __ldg(&outputHash[thread + 2 * threads]); ((uint2*)state)[0] = __ldg(&g_hash[thread]);
((uint2*)state)[3] = __ldg(&outputHash[thread + 3 * threads]); ((uint2*)state)[1] = __ldg(&g_hash[thread + threads]);
((uint2*)state)[2] = __ldg(&g_hash[thread + threads*2]);
((uint2*)state)[3] = __ldg(&g_hash[thread + threads*3]);
state[1] = state[0]; state[1] = state[0];
@ -300,7 +300,7 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
for (int i = 0; i<12; i++) for (int i = 0; i<12; i++)
round_lyra_v5(state); round_lyra_v5(state);
uint32_t ps1 = (memshift * (Ncol - 1) + Nrow * Ncol * memshift * thread); const uint32_t ps1 = (memshift * (Ncol - 1) + Nrow * Ncol * memshift * thread);
for (int i = 0; i < Ncol; i++) for (int i = 0; i < Ncol; i++)
{ {
@ -323,7 +323,7 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
{ {
rowa = ((uint2*)state)[0].x & 3; rowa = ((uint2*)state)[0].x & 3;
reduceDuplexRowtV2(prev, rowa, i, state, thread); reduceDuplexRowtV2(prev, rowa, i, state, thread);
prev=i; prev = i;
} }
const uint32_t shift = (memshift * Ncol * rowa + Nrow * Ncol * memshift * thread); const uint32_t shift = (memshift * Ncol * rowa + Nrow * Ncol * memshift * thread);
@ -335,10 +335,10 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
for (int i = 0; i < 12; i++) for (int i = 0; i < 12; i++)
round_lyra_v5(state); round_lyra_v5(state);
outputHash[thread] = ((uint2*)state)[0]; g_hash[thread] = ((uint2*)state)[0];
outputHash[thread + threads] = ((uint2*)state)[1]; g_hash[thread + threads] = ((uint2*)state)[1];
outputHash[thread + 2 * threads] = ((uint2*)state)[2]; g_hash[thread + threads*2] = ((uint2*)state)[2];
outputHash[thread + 3 * threads] = ((uint2*)state)[3]; g_hash[thread + threads*3] = ((uint2*)state)[3];
} }
} }
#else #else
@ -346,36 +346,34 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
#if __CUDA_ARCH__ < 300 #if __CUDA_ARCH__ < 300
__device__ void* DMatrix; __device__ void* DMatrix;
#endif #endif
__global__ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHash) {} __global__ void lyra2v2_gpu_hash_32(const uint32_t threads, uint32_t startNounce, uint2 *g_hash) {}
#endif #endif
__host__ __host__
void lyra2v2_cpu_init(int thr_id, uint32_t threads, uint64_t *d_matrix) void lyra2v2_cpu_init(int thr_id, uint32_t threads, uint64_t *d_matrix)
{ {
cuda_get_arch(thr_id);
// just assign the device pointer allocated in main loop // just assign the device pointer allocated in main loop
cudaMemcpyToSymbol(DMatrix, &d_matrix, sizeof(uint64_t*), 0, cudaMemcpyHostToDevice); cudaMemcpyToSymbol(DMatrix, &d_matrix, sizeof(uint64_t*), 0, cudaMemcpyHostToDevice);
} }
__host__ __host__
void lyra2v2_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_outputHash, int order) void lyra2v2_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *g_hash, int order)
{ {
uint32_t tpb; int dev_id = device_map[thr_id % MAX_GPUS];
if (device_sm[device_map[thr_id]] < 350) uint32_t tpb = TPB52;
tpb = TPB30;
else if (device_sm[device_map[thr_id]] == 350) if (device_sm[dev_id] == 500 || cuda_arch[dev_id] == 500) tpb = TPB50;
tpb = TPB35; else if (device_sm[dev_id] == 350 || cuda_arch[dev_id] == 350) tpb = TPB35;
else if (device_sm[device_map[thr_id]] == 500) else if (device_sm[dev_id] < 350 || cuda_arch[dev_id] < 350) tpb = TPB30;
tpb = TPB50;
else
tpb = TPB52;
dim3 grid((threads + tpb - 1) / tpb); dim3 grid((threads + tpb - 1) / tpb);
dim3 block(tpb); dim3 block(tpb);
if (device_sm[device_map[thr_id]] >= 500) if (device_sm[dev_id] >= 500 && cuda_arch[dev_id] >= 500)
lyra2v2_gpu_hash_32 <<<grid, block>>> (threads, startNounce, (uint2*)d_outputHash); lyra2v2_gpu_hash_32 <<<grid, block>>> (threads, startNounce, (uint2*)g_hash);
else else
lyra2v2_gpu_hash_32_v3 <<<grid, block>>> (threads, startNounce, (uint2*)d_outputHash); lyra2v2_gpu_hash_32_v3 <<<grid, block>>> (threads, startNounce, (uint2*)g_hash);
//MyStreamSynchronize(NULL, order, thr_id); //MyStreamSynchronize(NULL, order, thr_id);
} }

4
lyra2/lyra2REv2.cu
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@ -11,7 +11,7 @@ extern "C" {
#include "cuda_helper.h" #include "cuda_helper.h"
static _ALIGN(64) uint64_t *d_hash[MAX_GPUS]; static uint64_t *d_hash[MAX_GPUS];
static uint64_t* d_matrix[MAX_GPUS]; static uint64_t* d_matrix[MAX_GPUS];
extern void blake256_cpu_init(int thr_id, uint32_t threads); extern void blake256_cpu_init(int thr_id, uint32_t threads);
@ -86,7 +86,7 @@ extern "C" int scanhash_lyra2v2(int thr_id, struct work* work, uint32_t max_nonc
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
if (opt_benchmark) if (opt_benchmark)
ptarget[7] = 0x00ff; ptarget[7] = 0x000f;
if (!init[thr_id]) if (!init[thr_id])
{ {

2
util.cpp
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@ -1849,7 +1849,7 @@ static uint32_t zrtest[20] = {
void do_gpu_tests(void) void do_gpu_tests(void)
{ {
#if 1 //def _DEBUG #ifdef _DEBUG
unsigned long done; unsigned long done;
char s[128] = { '\0' }; char s[128] = { '\0' };
uchar buf[160]; uchar buf[160];

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