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Code Issues Releases Wiki Activity

lyra2v2: properly exclude SM 3.0 devices

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This commit is contained in:
Tanguy Pruvot 2015-08-18 13:43:21 +02:00
parent da8a31c4e5
commit 6500e7401a
2 changed files with 21 additions and 9 deletions
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24
lyra2/cuda_lyra2v2.cu
View File

@ -1,12 +1,17 @@
#include <stdio.h>
#include <memory.h>
#ifdef __INTELLISENSE__
#define __CUDA_ARCH__ 500
#endif
#include "cuda_lyra2_vectors.h"
#define TPB 16
#define Nrow 4
#define Ncol 4
#if __CUDA_ARCH__ < 500
#define vectype ulonglong4
#define u64type uint64_t
@ -23,7 +28,9 @@
__device__ vectype *DMatrix;
#ifdef __CUDA_ARCH__
#if __CUDA_ARCH__ >= 320
#if __CUDA_ARCH__ >= 500
static __device__ __forceinline__
void Gfunc_v35(uint2 &a, uint2 &b, uint2 &c, uint2 &d)
{
@ -32,8 +39,7 @@ void Gfunc_v35(uint2 &a, uint2 &b, uint2 &c, uint2 &d)
a += b; d ^= a; d = ROR16(d);
c += d; b ^= c; b = ROR2(b, 63);
}
#if __CUDA_ARCH__ < 500
#else
static __device__ __forceinline__
void Gfunc_v35(unsigned long long &a, unsigned long long &b, unsigned long long &c, unsigned long long &d)
{
@ -57,10 +63,6 @@ void round_lyra_v35(vectype* s)
Gfunc_v35(s[0].z, s[1].w, s[2].x, s[3].y);
Gfunc_v35(s[0].w, s[1].x, s[2].y, s[3].z);
}
#else
#define round_lyra_v35(s) {}
#endif
static __device__ __forceinline__
void reduceDuplex(vectype state[4], uint32_t thread)
@ -489,6 +491,10 @@ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHa
} //thread
}
#else /*__CUDA_ARCH__ >= 320 */
__global__ void lyra2v2_gpu_hash_32(uint32_t threads, uint32_t startNounce, uint2 *outputHash) {}
__global__ void lyra2v2_gpu_hash_32_v3(uint32_t threads, uint32_t startNounce, uint2 *outputHash) {}
#endif
__host__
void lyra2v2_cpu_init(int thr_id, uint32_t threads,uint64_t *hash)
@ -511,9 +517,9 @@ void lyra2v2_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uin
dim3 block(tpb);
if (device_sm[device_map[thr_id]] >= 500)
lyra2v2_gpu_hash_32 << <grid, block >> > (threads, startNounce, (uint2*)d_outputHash);
lyra2v2_gpu_hash_32 <<<grid, block>>> (threads, startNounce, (uint2*)d_outputHash);
else
lyra2v2_gpu_hash_32_v3 <<<grid, block>>> (threads, startNounce,(uint2*) d_outputHash);
lyra2v2_gpu_hash_32_v3 <<<grid, block>>> (threads, startNounce, (uint2*)d_outputHash);
MyStreamSynchronize(NULL, order, thr_id);
}

6
lyra2/lyra2REv2.cu
View File

@ -94,6 +94,12 @@ extern "C" int scanhash_lyra2v2(int thr_id, uint32_t *pdata,
skein256_cpu_init(thr_id, throughput);
bmw256_cpu_init(thr_id, throughput);
if (device_sm[device_map[thr_id]] < 320) {
applog(LOG_ERR, "Device SM 3.2 required!");
proper_exit(1);
return -1;
}
// DMatrix
CUDA_SAFE_CALL(cudaMalloc(&d_hash2[thr_id], 16 * 4 * 4 * sizeof(uint64_t) * throughput));
lyra2v2_cpu_init(thr_id, throughput, d_hash2[thr_id]);