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443 lines
10 KiB
443 lines
10 KiB
// |
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// =============== BLAKE part on nVidia GPU ====================== |
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// |
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// This is the generic "default" implementation when no architecture |
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// specific implementation is available in the kernel. |
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// |
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// NOTE: compile this .cu module for compute_10,sm_10 with --maxrregcount=64 |
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// |
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// TODO: CUDA porting work remains to be done. |
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// |
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#include <map> |
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#include <stdint.h> |
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#include "miner.h" |
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#include "salsa_kernel.h" |
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#include "cuda_helper.h" |
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typedef uint32_t sph_u32; |
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#define SPH_ROTL32 ROTL32 |
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#define SPH_ROTR32 ROTR32 |
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__constant__ uint64_t ptarget64[4]; |
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__constant__ uint32_t pdata[20]; |
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// define some error checking macros |
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#define DELIMITER '/' |
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#define __FILENAME__ ( strrchr(__FILE__, DELIMITER) != NULL ? strrchr(__FILE__, DELIMITER)+1 : __FILE__ ) |
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#undef checkCudaErrors |
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#define checkCudaErrors(x) \ |
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{ \ |
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cudaGetLastError(); \ |
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x; \ |
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cudaError_t err = cudaGetLastError(); \ |
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if (err != cudaSuccess && !abort_flag) \ |
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applog(LOG_ERR, "GPU #%d: cudaError %d (%s) (%s line %d)\n", device_map[thr_id], err, cudaGetErrorString(err), __FILENAME__, __LINE__); \ |
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} |
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// from salsa_kernel.cu |
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extern std::map<int, uint32_t *> context_idata[2]; |
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extern std::map<int, uint32_t *> context_odata[2]; |
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extern std::map<int, cudaStream_t> context_streams[2]; |
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extern std::map<int, uint32_t *> context_hash[2]; |
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#ifdef _MSC_VER |
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#pragma warning (disable: 4146) |
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#endif |
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/** |
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* Encode a 32-bit value into the provided buffer (big endian convention). |
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* |
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* @param dst the destination buffer |
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* @param val the 32-bit value to encode |
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*/ |
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static __device__ void |
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cuda_sph_enc32be(void *dst, sph_u32 val) |
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{ |
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*(sph_u32 *)dst = cuda_swab32(val); |
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} |
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#define Z00 0 |
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#define Z01 1 |
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#define Z02 2 |
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#define Z03 3 |
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#define Z04 4 |
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#define Z05 5 |
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#define Z06 6 |
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#define Z07 7 |
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#define Z08 8 |
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#define Z09 9 |
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#define Z0A A |
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#define Z0B B |
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#define Z0C C |
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#define Z0D D |
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#define Z0E E |
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#define Z0F F |
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#define Z10 E |
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#define Z11 A |
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#define Z12 4 |
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#define Z13 8 |
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#define Z14 9 |
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#define Z15 F |
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#define Z16 D |
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#define Z17 6 |
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#define Z18 1 |
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#define Z19 C |
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#define Z1A 0 |
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#define Z1B 2 |
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#define Z1C B |
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#define Z1D 7 |
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#define Z1E 5 |
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#define Z1F 3 |
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#define Z20 B |
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#define Z21 8 |
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#define Z22 C |
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#define Z23 0 |
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#define Z24 5 |
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#define Z25 2 |
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#define Z26 F |
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#define Z27 D |
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#define Z28 A |
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#define Z29 E |
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#define Z2A 3 |
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#define Z2B 6 |
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#define Z2C 7 |
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#define Z2D 1 |
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#define Z2E 9 |
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#define Z2F 4 |
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#define Z30 7 |
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#define Z31 9 |
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#define Z32 3 |
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#define Z33 1 |
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#define Z34 D |
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#define Z35 C |
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#define Z36 B |
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#define Z37 E |
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#define Z38 2 |
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#define Z39 6 |
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#define Z3A 5 |
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#define Z3B A |
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#define Z3C 4 |
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#define Z3D 0 |
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#define Z3E F |
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#define Z3F 8 |
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#define Z40 9 |
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#define Z41 0 |
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#define Z42 5 |
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#define Z43 7 |
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#define Z44 2 |
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#define Z45 4 |
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#define Z46 A |
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#define Z47 F |
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#define Z48 E |
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#define Z49 1 |
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#define Z4A B |
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#define Z4B C |
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#define Z4C 6 |
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#define Z4D 8 |
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#define Z4E 3 |
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#define Z4F D |
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#define Z50 2 |
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#define Z51 C |
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#define Z52 6 |
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#define Z53 A |
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#define Z54 0 |
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#define Z55 B |
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#define Z56 8 |
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#define Z57 3 |
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#define Z58 4 |
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#define Z59 D |
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#define Z5A 7 |
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#define Z5B 5 |
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#define Z5C F |
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#define Z5D E |
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#define Z5E 1 |
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#define Z5F 9 |
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#define Z60 C |
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#define Z61 5 |
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#define Z62 1 |
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#define Z63 F |
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#define Z64 E |
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#define Z65 D |
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#define Z66 4 |
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#define Z67 A |
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#define Z68 0 |
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#define Z69 7 |
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#define Z6A 6 |
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#define Z6B 3 |
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#define Z6C 9 |
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#define Z6D 2 |
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#define Z6E 8 |
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#define Z6F B |
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#define Z70 D |
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#define Z71 B |
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#define Z72 7 |
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#define Z73 E |
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#define Z74 C |
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#define Z75 1 |
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#define Z76 3 |
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#define Z77 9 |
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#define Z78 5 |
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#define Z79 0 |
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#define Z7A F |
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#define Z7B 4 |
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#define Z7C 8 |
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#define Z7D 6 |
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#define Z7E 2 |
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#define Z7F A |
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#define Z80 6 |
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#define Z81 F |
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#define Z82 E |
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#define Z83 9 |
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#define Z84 B |
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#define Z85 3 |
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#define Z86 0 |
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#define Z87 8 |
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#define Z88 C |
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#define Z89 2 |
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#define Z8A D |
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#define Z8B 7 |
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#define Z8C 1 |
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#define Z8D 4 |
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#define Z8E A |
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#define Z8F 5 |
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#define Z90 A |
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#define Z91 2 |
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#define Z92 8 |
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#define Z93 4 |
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#define Z94 7 |
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#define Z95 6 |
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#define Z96 1 |
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#define Z97 5 |
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#define Z98 F |
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#define Z99 B |
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#define Z9A 9 |
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#define Z9B E |
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#define Z9C 3 |
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#define Z9D C |
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#define Z9E D |
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#define Z9F 0 |
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#define Mx(r, i) Mx_(Z ## r ## i) |
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#define Mx_(n) Mx__(n) |
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#define Mx__(n) M ## n |
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#define CSx(r, i) CSx_(Z ## r ## i) |
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#define CSx_(n) CSx__(n) |
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#define CSx__(n) CS ## n |
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#define CS0 SPH_C32(0x243F6A88) |
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#define CS1 SPH_C32(0x85A308D3) |
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#define CS2 SPH_C32(0x13198A2E) |
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#define CS3 SPH_C32(0x03707344) |
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#define CS4 SPH_C32(0xA4093822) |
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#define CS5 SPH_C32(0x299F31D0) |
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#define CS6 SPH_C32(0x082EFA98) |
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#define CS7 SPH_C32(0xEC4E6C89) |
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#define CS8 SPH_C32(0x452821E6) |
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#define CS9 SPH_C32(0x38D01377) |
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#define CSA SPH_C32(0xBE5466CF) |
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#define CSB SPH_C32(0x34E90C6C) |
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#define CSC SPH_C32(0xC0AC29B7) |
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#define CSD SPH_C32(0xC97C50DD) |
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#define CSE SPH_C32(0x3F84D5B5) |
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#define CSF SPH_C32(0xB5470917) |
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#define GS(m0, m1, c0, c1, a, b, c, d) do { \ |
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a = SPH_T32(a + b + (m0 ^ c1)); \ |
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d = SPH_ROTR32(d ^ a, 16); \ |
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c = SPH_T32(c + d); \ |
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b = SPH_ROTR32(b ^ c, 12); \ |
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a = SPH_T32(a + b + (m1 ^ c0)); \ |
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d = SPH_ROTR32(d ^ a, 8); \ |
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c = SPH_T32(c + d); \ |
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b = SPH_ROTR32(b ^ c, 7); \ |
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} while (0) |
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#define ROUND_S(r) do { \ |
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GS(Mx(r, 0), Mx(r, 1), CSx(r, 0), CSx(r, 1), V0, V4, V8, VC); \ |
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GS(Mx(r, 2), Mx(r, 3), CSx(r, 2), CSx(r, 3), V1, V5, V9, VD); \ |
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GS(Mx(r, 4), Mx(r, 5), CSx(r, 4), CSx(r, 5), V2, V6, VA, VE); \ |
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GS(Mx(r, 6), Mx(r, 7), CSx(r, 6), CSx(r, 7), V3, V7, VB, VF); \ |
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GS(Mx(r, 8), Mx(r, 9), CSx(r, 8), CSx(r, 9), V0, V5, VA, VF); \ |
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GS(Mx(r, A), Mx(r, B), CSx(r, A), CSx(r, B), V1, V6, VB, VC); \ |
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GS(Mx(r, C), Mx(r, D), CSx(r, C), CSx(r, D), V2, V7, V8, VD); \ |
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GS(Mx(r, E), Mx(r, F), CSx(r, E), CSx(r, F), V3, V4, V9, VE); \ |
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} while (0) |
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#define COMPRESS32 do { \ |
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sph_u32 M0, M1, M2, M3, M4, M5, M6, M7; \ |
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sph_u32 M8, M9, MA, MB, MC, MD, ME, MF; \ |
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sph_u32 V0, V1, V2, V3, V4, V5, V6, V7; \ |
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sph_u32 V8, V9, VA, VB, VC, VD, VE, VF; \ |
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V0 = H0; \ |
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V1 = H1; \ |
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V2 = H2; \ |
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V3 = H3; \ |
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V4 = H4; \ |
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V5 = H5; \ |
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V6 = H6; \ |
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V7 = H7; \ |
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V8 = S0 ^ CS0; \ |
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V9 = S1 ^ CS1; \ |
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VA = S2 ^ CS2; \ |
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VB = S3 ^ CS3; \ |
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VC = T0 ^ CS4; \ |
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VD = T0 ^ CS5; \ |
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VE = T1 ^ CS6; \ |
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VF = T1 ^ CS7; \ |
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M0 = input[0]; \ |
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M1 = input[1]; \ |
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M2 = input[2]; \ |
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M3 = input[3]; \ |
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M4 = input[4]; \ |
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M5 = input[5]; \ |
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M6 = input[6]; \ |
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M7 = input[7]; \ |
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M8 = input[8]; \ |
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M9 = input[9]; \ |
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MA = input[10]; \ |
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MB = input[11]; \ |
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MC = input[12]; \ |
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MD = input[13]; \ |
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ME = input[14]; \ |
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MF = input[15]; \ |
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ROUND_S(0); \ |
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ROUND_S(1); \ |
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ROUND_S(2); \ |
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ROUND_S(3); \ |
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ROUND_S(4); \ |
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ROUND_S(5); \ |
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ROUND_S(6); \ |
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ROUND_S(7); \ |
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H0 ^= S0 ^ V0 ^ V8; \ |
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H1 ^= S1 ^ V1 ^ V9; \ |
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H2 ^= S2 ^ V2 ^ VA; \ |
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H3 ^= S3 ^ V3 ^ VB; \ |
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H4 ^= S0 ^ V4 ^ VC; \ |
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H5 ^= S1 ^ V5 ^ VD; \ |
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H6 ^= S2 ^ V6 ^ VE; \ |
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H7 ^= S3 ^ V7 ^ VF; \ |
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} while (0) |
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__global__ |
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void cuda_blake256_hash( uint64_t *g_out, uint32_t nonce, uint32_t *g_good, bool validate ) |
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{ |
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uint32_t input[16]; |
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uint64_t output[4]; |
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#pragma unroll |
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for (int i=0; i < 16; ++i) input[i] = pdata[i]; |
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sph_u32 H0 = 0x6A09E667; |
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sph_u32 H1 = 0xBB67AE85; |
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sph_u32 H2 = 0x3C6EF372; |
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sph_u32 H3 = 0xA54FF53A; |
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sph_u32 H4 = 0x510E527F; |
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sph_u32 H5 = 0x9B05688C; |
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sph_u32 H6 = 0x1F83D9AB; |
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sph_u32 H7 = 0x5BE0CD19; |
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sph_u32 S0 = 0; |
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sph_u32 S1 = 0; |
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sph_u32 S2 = 0; |
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sph_u32 S3 = 0; |
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sph_u32 T0 = 0; |
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sph_u32 T1 = 0; |
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T0 = SPH_T32(T0 + 512); |
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COMPRESS32; |
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#pragma unroll |
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for (int i=0; i < 3; ++i) input[i] = pdata[16+i]; |
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input[3] = nonce + ((blockIdx.x * blockDim.x) + threadIdx.x); |
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input[4] = 0x80000000; |
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#pragma unroll 8 |
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for (int i=5; i < 13; ++i) input[i] = 0; |
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input[13] = 0x00000001; |
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input[14] = T1; |
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input[15] = T0 + 128; |
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T0 = SPH_T32(T0 + 128); |
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COMPRESS32; |
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cuda_sph_enc32be((unsigned char*)output + 4*6, H6); |
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cuda_sph_enc32be((unsigned char*)output + 4*7, H7); |
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if (validate || output[3] <= ptarget64[3]) |
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{ |
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// this data is only needed when we actually need to save the hashes |
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cuda_sph_enc32be((unsigned char*)output + 4*0, H0); |
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cuda_sph_enc32be((unsigned char*)output + 4*1, H1); |
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cuda_sph_enc32be((unsigned char*)output + 4*2, H2); |
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cuda_sph_enc32be((unsigned char*)output + 4*3, H3); |
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cuda_sph_enc32be((unsigned char*)output + 4*4, H4); |
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cuda_sph_enc32be((unsigned char*)output + 4*5, H5); |
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} |
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if (validate) |
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{ |
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g_out += 4 * ((blockIdx.x * blockDim.x) + threadIdx.x); |
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#pragma unroll |
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for (int i=0; i < 4; ++i) g_out[i] = output[i]; |
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} |
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if (output[3] <= ptarget64[3]) { |
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uint64_t *g_good64 = (uint64_t*)g_good; |
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if (output[3] < g_good64[3]) { |
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g_good64[3] = output[3]; |
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g_good64[2] = output[2]; |
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g_good64[1] = output[1]; |
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g_good64[0] = output[0]; |
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g_good[8] = nonce + ((blockIdx.x * blockDim.x) + threadIdx.x); |
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} |
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} |
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} |
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static std::map<int, uint32_t *> context_good[2]; |
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bool default_prepare_blake256(int thr_id, const uint32_t host_pdata[20], const uint32_t host_ptarget[8]) |
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{ |
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static bool init[MAX_GPUS] = { 0 }; |
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if (!init[thr_id]) |
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{ |
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// allocate pinned host memory for good hashes |
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uint32_t *tmp; |
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checkCudaErrors(cudaMalloc((void **) &tmp, 9*sizeof(uint32_t))); context_good[0][thr_id] = tmp; |
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checkCudaErrors(cudaMalloc((void **) &tmp, 9*sizeof(uint32_t))); context_good[1][thr_id] = tmp; |
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init[thr_id] = true; |
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} |
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checkCudaErrors(cudaMemcpyToSymbol(pdata, host_pdata, 80, 0, cudaMemcpyHostToDevice)); |
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checkCudaErrors(cudaMemcpyToSymbol(ptarget64, host_ptarget, 32, 0, cudaMemcpyHostToDevice)); |
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return context_good[0][thr_id] && context_good[1][thr_id]; |
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} |
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void default_do_blake256(dim3 grid, dim3 threads, int thr_id, int stream, uint32_t *hash, uint32_t nonce, int throughput, bool do_d2h) |
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{ |
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checkCudaErrors(cudaMemsetAsync(context_good[stream][thr_id], 0xff, 9 * sizeof(uint32_t), context_streams[stream][thr_id])); |
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cuda_blake256_hash<<<grid, threads, 0, context_streams[stream][thr_id]>>>((uint64_t*)context_hash[stream][thr_id], nonce, context_good[stream][thr_id], do_d2h); |
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// copy hashes from device memory to host (ALL hashes, lots of data...) |
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if (do_d2h && hash != NULL) { |
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size_t mem_size = throughput * sizeof(uint32_t) * 8; |
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checkCudaErrors(cudaMemcpyAsync(hash, context_hash[stream][thr_id], mem_size, |
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cudaMemcpyDeviceToHost, context_streams[stream][thr_id])); |
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} |
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else if (hash != NULL) { |
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// asynchronous copy of winning nonce (just 4 bytes...) |
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checkCudaErrors(cudaMemcpyAsync(hash, context_good[stream][thr_id]+8, sizeof(uint32_t), |
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cudaMemcpyDeviceToHost, context_streams[stream][thr_id])); |
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} |
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}
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