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@ -9,6 +9,10 @@
@@ -9,6 +9,10 @@
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#define USE_SHARED 1 |
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// aus cpu-miner.c |
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extern int device_map[8]; |
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// aus heavy.cu |
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extern cudaError_t MyStreamSynchronize(cudaStream_t stream, int situation, int thr_id); |
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// Folgende Definitionen später durch header ersetzen |
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@ -20,13 +24,7 @@ typedef unsigned long long uint64_t;
@@ -20,13 +24,7 @@ typedef unsigned long long uint64_t;
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__constant__ uint32_t pTarget[8]; // Single GPU |
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extern uint32_t *d_resultNonce[8]; |
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// globaler Speicher für unsere Ergebnisse |
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uint32_t *d_hashGROESTLCOINoutput[8]; |
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__constant__ uint32_t groestlcoin_gpu_state[32]; |
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__constant__ uint32_t groestlcoin_gpu_msg[32]; |
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__constant__ uint32_t sha256coin_gpu_constantTable[64]; |
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__constant__ uint32_t sha256coin_gpu_register[8]; |
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#define SPH_T32(x) ((x) & SPH_C32(0xFFFFFFFF)) |
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@ -83,7 +81,13 @@ extern uint32_t T2dn_cpu[];
@@ -83,7 +81,13 @@ extern uint32_t T2dn_cpu[];
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extern uint32_t T3up_cpu[]; |
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extern uint32_t T3dn_cpu[]; |
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#if __CUDA_ARCH__ < 350 |
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// Kepler (Compute 3.0) |
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#define S(x, n) (((x) >> (n)) | ((x) << (32 - (n)))) |
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#else |
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// Kepler (Compute 3.5) |
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#define S(x, n) __funnelshift_r( x, x, n ); |
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#endif |
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#define R(x, n) ((x) >> (n)) |
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#define Ch(x, y, z) ((x & (y ^ z)) ^ z) |
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#define Maj(x, y, z) ((x & (y | z)) | (y & z)) |
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@ -95,18 +99,57 @@ extern uint32_t T3dn_cpu[];
@@ -95,18 +99,57 @@ extern uint32_t T3dn_cpu[];
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#define SWAB32(x) ( ((x & 0x000000FF) << 24) | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8) | ((x & 0xFF000000) >> 24) ) |
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__device__ void groestlcoin_perm_P(uint32_t *a, char *mixtabs) |
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__device__ __forceinline__ void groestlcoin_perm_P(uint32_t *a, char *mixtabs) |
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{ |
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uint32_t t[32]; |
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//#pragma unroll 14 |
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for(int r=0;r<14;r++) |
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{ |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) |
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switch(r) |
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{ |
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a[(k*2)+0] ^= PC32up(k * 0x10, r); |
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//a[(k<<1)+1] ^= PC32dn(k * 0x10, r); |
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case 0: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 0); break; |
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case 1: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 1); break; |
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case 2: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 2); break; |
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case 3: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 3); break; |
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case 4: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 4); break; |
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case 5: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 5); break; |
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case 6: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 6); break; |
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case 7: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 7); break; |
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case 8: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 8); break; |
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case 9: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 9); break; |
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case 10: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 10); break; |
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case 11: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 11); break; |
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case 12: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 12); break; |
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case 13: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) a[(k*2)+0] ^= PC32up(k * 0x10, 13); break; |
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} |
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// RBTT |
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@ -137,18 +180,57 @@ __device__ void groestlcoin_perm_P(uint32_t *a, char *mixtabs)
@@ -137,18 +180,57 @@ __device__ void groestlcoin_perm_P(uint32_t *a, char *mixtabs)
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} |
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} |
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__device__ void groestlcoin_perm_Q(uint32_t *a, char *mixtabs) |
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__device__ __forceinline__ void groestlcoin_perm_Q(uint32_t *a, char *mixtabs) |
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{ |
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//#pragma unroll 14 |
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for(int r=0;r<14;r++) |
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{ |
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uint32_t t[32]; |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) |
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switch(r) |
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{ |
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a[(k*2)+0] ^= QC32up(k * 0x10, r); |
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a[(k*2)+1] ^= QC32dn(k * 0x10, r); |
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case 0: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 0); a[(k*2)+1] ^= QC32dn(k * 0x10, 0);} break; |
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case 1: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 1); a[(k*2)+1] ^= QC32dn(k * 0x10, 1);} break; |
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case 2: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 2); a[(k*2)+1] ^= QC32dn(k * 0x10, 2);} break; |
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case 3: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 3); a[(k*2)+1] ^= QC32dn(k * 0x10, 3);} break; |
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case 4: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 4); a[(k*2)+1] ^= QC32dn(k * 0x10, 4);} break; |
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case 5: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 5); a[(k*2)+1] ^= QC32dn(k * 0x10, 5);} break; |
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case 6: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 6); a[(k*2)+1] ^= QC32dn(k * 0x10, 6);} break; |
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case 7: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 7); a[(k*2)+1] ^= QC32dn(k * 0x10, 7);} break; |
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case 8: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 8); a[(k*2)+1] ^= QC32dn(k * 0x10, 8);} break; |
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case 9: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 9); a[(k*2)+1] ^= QC32dn(k * 0x10, 9);} break; |
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case 10: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 10); a[(k*2)+1] ^= QC32dn(k * 0x10, 10);} break; |
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case 11: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 11); a[(k*2)+1] ^= QC32dn(k * 0x10, 11);} break; |
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case 12: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 12); a[(k*2)+1] ^= QC32dn(k * 0x10, 12);} break; |
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case 13: |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) { a[(k*2)+0] ^= QC32up(k * 0x10, 13); a[(k*2)+1] ^= QC32dn(k * 0x10, 13);} break; |
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} |
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// RBTT |
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@ -179,12 +261,12 @@ __device__ void groestlcoin_perm_Q(uint32_t *a, char *mixtabs)
@@ -179,12 +261,12 @@ __device__ void groestlcoin_perm_Q(uint32_t *a, char *mixtabs)
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} |
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} |
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#if USE_SHARED |
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__global__ void __launch_bounds__(256) |
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__global__ void /* __launch_bounds__(256) */ |
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#else |
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__global__ void |
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#endif |
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groestlcoin_gpu_hash(int threads, uint32_t startNounce, void *outputHash, uint32_t *resNounce) |
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groestlcoin_gpu_hash(int threads, uint32_t startNounce, uint32_t *resNounce) |
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{ |
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#if USE_SHARED |
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extern __shared__ char mixtabs[]; |
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@ -204,72 +286,52 @@ __global__ void
@@ -204,72 +286,52 @@ __global__ void
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int thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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///// |
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///// Lieber groestl, mach, dass es abgeht!!! |
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///// |
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// GROESTL |
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uint32_t message[32]; |
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uint32_t state[32]; |
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uint32_t g[32]; |
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#pragma unroll 32 |
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for(int k=0;k<32;k++) |
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{ |
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// TODO: die Vorbelegung mit Nullen braucht nicht zwingend aus dem |
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// constant Memory zu lesen. Das ist Verschwendung von Bandbreite. |
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state[k] = groestlcoin_gpu_state[k]; |
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message[k] = groestlcoin_gpu_msg[k]; |
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} |
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for(int k=0;k<32;k++) message[k] = groestlcoin_gpu_msg[k]; |
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uint32_t nounce = startNounce + thread; |
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message[19] = SWAB32(nounce); |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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g[u] = message[u] ^ state[u]; // TODO: state ist fast ueberall 0. |
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for(int u=0;u<32;u++) state[u] = message[u]; |
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state[31] ^= 0x20000; |
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// Perm |
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#if USE_SHARED |
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groestlcoin_perm_P(g, mixtabs); // TODO: g[] entspricht fast genau message[] |
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groestlcoin_perm_Q(message, mixtabs); // kann man das ausnutzen? |
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groestlcoin_perm_P(state, mixtabs); |
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state[31] ^= 0x20000; |
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groestlcoin_perm_Q(message, mixtabs); |
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#else |
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groestlcoin_perm_P(g, NULL); |
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groestlcoin_perm_P(state, NULL); |
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state[31] ^= 0x20000; |
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groestlcoin_perm_Q(message, NULL); |
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#endif |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) state[u] ^= message[u]; |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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{ |
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// TODO: kann man evtl. das xor mit g[u] vorziehen hinter die groestlcoin_perm_P Funktion |
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// was den Registerbedarf senken koennte? |
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state[u] ^= g[u] ^ message[u]; |
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g[u] = state[u]; |
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} |
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for(int u=0;u<32;u++) message[u] = state[u]; |
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#if USE_SHARED |
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groestlcoin_perm_P(g, mixtabs); |
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groestlcoin_perm_P(message, mixtabs); |
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#else |
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groestlcoin_perm_P(g, NULL); |
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groestlcoin_perm_P(message, NULL); |
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#endif |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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state[u] ^= g[u]; |
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for(int u=0;u<32;u++) state[u] ^= message[u]; |
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//// |
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//// 2. Runde groestl |
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//// |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) |
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message[k] = state[k + 16]; |
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#pragma unroll 32 |
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for(int k=0;k<32;k++) |
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state[k] = groestlcoin_gpu_state[k]; |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) |
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for(int k=0;k<16;k++) message[k] = state[k + 16]; |
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#pragma unroll 14 |
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for(int k=1;k<15;k++) |
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message[k+16] = 0; |
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message[16] = 0x80; |
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@ -277,73 +339,58 @@ __global__ void
@@ -277,73 +339,58 @@ __global__ void
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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g[u] = message[u] ^ state[u]; |
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state[u] = message[u]; |
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state[31] ^= 0x20000; |
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// Perm |
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#if USE_SHARED |
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groestlcoin_perm_P(g, mixtabs); |
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groestlcoin_perm_P(state, mixtabs); |
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state[31] ^= 0x20000; |
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groestlcoin_perm_Q(message, mixtabs); |
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#else |
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groestlcoin_perm_P(g, NULL); |
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groestlcoin_perm_P(state, NULL); |
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state[31] ^= 0x20000; |
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groestlcoin_perm_Q(message, NULL); |
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#endif |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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{ |
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state[u] ^= g[u] ^ message[u]; |
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g[u] = state[u]; |
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} |
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for(int u=0;u<32;u++) state[u] ^= message[u]; |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) message[u] = state[u]; |
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#if USE_SHARED |
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groestlcoin_perm_P(g, mixtabs); |
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groestlcoin_perm_P(message, mixtabs); |
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#else |
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groestlcoin_perm_P(g, NULL); |
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groestlcoin_perm_P(message, NULL); |
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#endif |
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#pragma unroll 32 |
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for(int u=0;u<32;u++) |
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state[u] ^= g[u]; |
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/* |
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#pragma unroll 8 |
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for(int k=0;k<8;k++) |
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hash[k] = state[k+16]; |
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*/ |
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for(int u=0;u<32;u++) state[u] ^= message[u]; |
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// kopiere Ergebnis |
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/* |
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#pragma unroll 16 |
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for(int k=0;k<16;k++) |
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((uint32_t*)outputHash)[16*thread+k] = state[k + 16]; |
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*/ |
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int i; |
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int i, position = -1; |
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bool rc = true; |
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#pragma unroll 8 |
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for (i = 7; i >= 0; i--) { |
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if (state[i+16] > pTarget[i]) { |
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if(position < i) { |
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position = i; |
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rc = false; |
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break; |
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} |
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} |
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if (state[i+16] < pTarget[i]) { |
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if(position < i) { |
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position = i; |
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rc = true; |
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break; |
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} |
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} |
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} |
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if(rc == true) |
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{ |
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if(resNounce[0] > nounce) |
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{ |
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resNounce[0] = nounce; |
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/* |
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#pragma unroll 8 |
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for(int k=0;k<8;k++) |
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((uint32_t*)outputHash)[k] = (hash[k]); |
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*/ |
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} |
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} |
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} |
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} |
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@ -360,7 +407,7 @@ __global__ void
@@ -360,7 +407,7 @@ __global__ void
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// Setup-Funktionen |
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__host__ void groestlcoin_cpu_init(int thr_id, int threads) |
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{ |
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cudaSetDevice(thr_id); |
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cudaSetDevice(device_map[thr_id]); |
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cudaDeviceSetCacheConfig( cudaFuncCachePreferShared ); |
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// Texturen mit obigem Makro initialisieren |
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texDef(t0up1, d_T0up, T0up_cpu, sizeof(uint32_t)*256); |
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@ -372,23 +419,8 @@ __host__ void groestlcoin_cpu_init(int thr_id, int threads)
@@ -372,23 +419,8 @@ __host__ void groestlcoin_cpu_init(int thr_id, int threads)
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texDef(t3up1, d_T3up, T3up_cpu, sizeof(uint32_t)*256); |
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texDef(t3dn1, d_T3dn, T3dn_cpu, sizeof(uint32_t)*256); |
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// setze register |
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// TODO: fast vollstaendige Vorbelegung mit Nullen. |
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// da besteht doch Optimierungspotenzial im GPU Kernel |
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// denn mit Nullen braucht man nicht wirklich rechnen. |
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uint32_t groestl_state_init[32]; |
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|
memset(groestl_state_init, 0, sizeof(uint32_t) * 32); |
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groestl_state_init[31] = 0x20000; |
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|
// state speichern |
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|
cudaMemcpyToSymbol( groestlcoin_gpu_state, |
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|
groestl_state_init, |
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128); |
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|
// Speicher für Gewinner-Nonce belegen |
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|
cudaMalloc(&d_resultNonce[thr_id], sizeof(uint32_t)); |
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|
// Speicher für alle Ergebnisse belegen (nur für Debug) |
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|
|
cudaMalloc(&d_hashGROESTLCOINoutput[thr_id], 8 * sizeof(uint32_t) * threads); |
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|
} |
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|
__host__ void groestlcoin_cpu_setBlock(int thr_id, void *data, void *pTargetIn) |
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|
@ -430,7 +462,7 @@ __host__ void groestlcoin_cpu_hash(int thr_id, int threads, uint32_t startNounce
@@ -430,7 +462,7 @@ __host__ void groestlcoin_cpu_hash(int thr_id, int threads, uint32_t startNounce
|
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|
dim3 grid((threads + threadsperblock-1)/threadsperblock); |
|
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|
|
dim3 block(threadsperblock); |
|
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|
|
// Größe des dynamischen Shared Memory Bereichs (abhängig von der Threadanzahl) |
|
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|
|
// Größe des dynamischen Shared Memory Bereichs |
|
|
|
|
#if USE_SHARED |
|
|
|
|
size_t shared_size = 8 * 256 * sizeof(uint32_t); |
|
|
|
|
#else |
|
|
|
|
@ -440,16 +472,10 @@ __host__ void groestlcoin_cpu_hash(int thr_id, int threads, uint32_t startNounce
@@ -440,16 +472,10 @@ __host__ void groestlcoin_cpu_hash(int thr_id, int threads, uint32_t startNounce
|
|
|
|
|
// fprintf(stderr, "threads=%d, %d blocks, %d threads per block, %d bytes shared\n", threads, grid.x, block.x, shared_size); |
|
|
|
|
//fprintf(stderr, "ThrID: %d\n", thr_id); |
|
|
|
|
cudaMemset(d_resultNonce[thr_id], 0xFF, sizeof(uint32_t)); |
|
|
|
|
groestlcoin_gpu_hash<<<grid, block, shared_size>>>(threads, startNounce, d_hashGROESTLCOINoutput[thr_id], d_resultNonce[thr_id]); |
|
|
|
|
groestlcoin_gpu_hash<<<grid, block, shared_size>>>(threads, startNounce, d_resultNonce[thr_id]); |
|
|
|
|
|
|
|
|
|
// Strategisches Sleep Kommando zur Senkung der CPU Last |
|
|
|
|
MyStreamSynchronize(NULL, 0, thr_id); |
|
|
|
|
|
|
|
|
|
cudaMemcpy(nounce, d_resultNonce[thr_id], sizeof(uint32_t), cudaMemcpyDeviceToHost); |
|
|
|
|
|
|
|
|
|
/// Debug |
|
|
|
|
//cudaMemcpy(outputHashes, d_hashGROESTLCOINoutput[thr_id], 8 * sizeof(uint32_t) * threads, cudaMemcpyDeviceToHost); |
|
|
|
|
|
|
|
|
|
// Nounce |
|
|
|
|
//cudaMemcpy(nounce, d_resultNonce[thr_id], sizeof(uint32_t), cudaMemcpyDeviceToHost); |
|
|
|
|
} |
|
|
|
|
|
Christian Buchner
11 years ago