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which could be extracted from json too replace a satcoin by another one ;) Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>master
Tanguy Pruvot
9 years ago
10 changed files with 562 additions and 12 deletions
@ -0,0 +1,101 @@
@@ -0,0 +1,101 @@
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/** |
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* bmw-256 MDT |
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* tpruvot - 2015 |
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*/ |
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extern "C" { |
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#include "sph/sph_bmw.h" |
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} |
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#include "miner.h" |
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#include "cuda_helper.h" |
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static uint32_t *d_hash[MAX_GPUS]; |
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extern void bmw256_midstate_init(int thr_id, uint32_t threads); |
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extern void bmw256_setBlock_80(int thr_id, void *pdata); |
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extern void bmw256_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_outputHash, int swap); |
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extern uint32_t cuda_check_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_inputHash); |
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// CPU Hash |
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extern "C" void bmw_hash(void *state, const void *input) |
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{ |
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uint32_t _ALIGN(64) hash[16]; |
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sph_bmw256_context ctx; |
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sph_bmw256_init(&ctx); |
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sph_bmw256(&ctx, input, 80); |
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sph_bmw256_close(&ctx, (void*) hash); |
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memcpy(state, hash, 32); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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static __inline uint32_t swab32_if(uint32_t val, bool iftrue) { |
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return iftrue ? swab32(val) : val; |
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} |
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extern "C" int scanhash_bmw(int thr_id, uint32_t *pdata, const uint32_t *ptarget, |
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uint32_t max_nonce, unsigned long *hashes_done) |
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{ |
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const uint32_t first_nonce = pdata[19]; |
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bool swapnonce = true; |
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uint32_t throughput = device_intensity(thr_id, __func__, 1U << 21); |
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throughput = min(throughput, max_nonce - first_nonce); |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x0005; |
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if (!init[thr_id]) { |
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cudaSetDevice(device_map[thr_id]); |
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cuda_check_cpu_init(thr_id, throughput); |
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bmw256_midstate_init(thr_id, throughput); |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t)32 * throughput)); |
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init[thr_id] = true; |
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} |
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uint32_t endiandata[20]; |
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for (int k=0; k < 20; k++) { |
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be32enc(&endiandata[k], ((uint32_t*)pdata)[k]); |
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} |
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bmw256_setBlock_80(thr_id, (void*)endiandata); |
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cuda_check_cpu_setTarget(ptarget); |
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do { |
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bmw256_cpu_hash_80(thr_id, (int) throughput, pdata[19], d_hash[thr_id], (int) swapnonce); |
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uint32_t foundNonce = cuda_check_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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if (foundNonce != UINT32_MAX) |
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{ |
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uint32_t _ALIGN(64) vhash64[8]; |
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endiandata[19] = swab32_if(foundNonce, swapnonce); |
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bmw_hash(vhash64, endiandata); |
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if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) { |
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*hashes_done = foundNonce - first_nonce + 1; |
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pdata[19] = swab32_if(foundNonce,!swapnonce); |
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return 1; |
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} |
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else { |
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applog(LOG_DEBUG, "GPU #%d: result for nounce %08x does not validate on CPU!", thr_id, foundNonce); |
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} |
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} |
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if ((uint64_t) throughput + pdata[19] > max_nonce) { |
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pdata[19] = max_nonce; |
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break; |
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} |
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pdata[19] += throughput; |
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} while (!work_restart[thr_id].restart); |
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*hashes_done = pdata[19] - first_nonce; |
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return 0; |
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} |
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@ -0,0 +1,374 @@
@@ -0,0 +1,374 @@
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/** |
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* BMW-256 CUDA Implementation - tpruvot 2015 |
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* |
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* Not optimal but close to the sph version and easier to adapt. |
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*/ |
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#include <stdio.h> |
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#include <memory.h> |
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#define SPH_64 1 |
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#define USE_MIDSTATE |
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extern "C" { |
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#include "sph/sph_bmw.h" |
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} |
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#include "cuda_helper.h" |
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__constant__ uint64_t c_PaddedMessage80[16]; // padded message (80 bytes + padding) |
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#ifndef USE_MIDSTATE |
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__constant__ static sph_u32 IV256[16] = { |
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0x40414243, 0x44454647, 0x48494A4B, 0x4C4D4E4F, |
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0x50515253, 0x54555657, 0x58595A5B, 0x5C5D5E5F, |
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0x60616263, 0x64656667, 0x68696A6B, 0x6C6D6E6F, |
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0x70717273, 0x74757677, 0x78797A7B, 0x7C7D7E7F |
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}; |
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#endif |
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__constant__ static sph_u32 final_s[16] = { |
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0xaaaaaaa0, 0xaaaaaaa1, 0xaaaaaaa2, 0xaaaaaaa3, |
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0xaaaaaaa4, 0xaaaaaaa5, 0xaaaaaaa6, 0xaaaaaaa7, |
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0xaaaaaaa8, 0xaaaaaaa9, 0xaaaaaaaa, 0xaaaaaaab, |
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0xaaaaaaac, 0xaaaaaaad, 0xaaaaaaae, 0xaaaaaaaf |
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}; |
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static sph_bmw_small_context* d_midstate[MAX_GPUS]; |
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#define I16_16 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
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#define I16_17 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 |
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#define I16_18 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 |
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#define I16_19 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 |
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#define I16_20 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 |
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#define I16_21 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 |
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#define I16_22 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 |
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#define I16_23 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 |
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#define I16_24 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 |
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#define I16_25 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
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#define I16_26 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 |
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#define I16_27 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 |
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#define I16_28 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 |
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#define I16_29 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 |
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#define I16_30 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 |
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#define I16_31 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 |
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//#define M16_16 0, 1, 3, 4, 7, 10, 11 |
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//#define M16_17 1, 2, 4, 5, 8, 11, 12 |
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#define M16_18 2, 3, 5, 6, 9, 12, 13 |
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#define M16_19 3, 4, 6, 7, 10, 13, 14 |
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#define M16_20 4, 5, 7, 8, 11, 14, 15 |
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#define M16_21 5, 6, 8, 9, 12, 15, 16 |
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#define M16_22 6, 7, 9, 10, 13, 0, 1 |
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#define M16_23 7, 8, 10, 11, 14, 1, 2 |
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#define M16_24 8, 9, 11, 12, 15, 2, 3 |
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#define M16_25 9, 10, 12, 13, 0, 3, 4 |
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#define M16_26 10, 11, 13, 14, 1, 4, 5 |
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#define M16_27 11, 12, 14, 15, 2, 5, 6 |
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#define M16_28 12, 13, 15, 16, 3, 6, 7 |
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#define M16_29 13, 14, 0, 1, 4, 7, 8 |
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#define M16_30 14, 15, 1, 2, 5, 8, 9 |
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#define M16_31 15, 16, 2, 3, 6, 9, 10 |
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#define ss0(x) (((x) >> 1) ^ ((x) << 3) ^ ROTL32(x, 4) ^ ROTL32(x, 19)) |
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#define ss1(x) (((x) >> 1) ^ ((x) << 2) ^ ROTL32(x, 8) ^ ROTL32(x, 23)) |
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#define ss2(x) (((x) >> 2) ^ ((x) << 1) ^ ROTL32(x, 12) ^ ROTL32(x, 25)) |
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#define ss3(x) (((x) >> 2) ^ ((x) << 2) ^ ROTL32(x, 15) ^ ROTL32(x, 29)) |
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#define ss4(x) (((x) >> 1) ^ (x)) |
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#define ss5(x) (((x) >> 2) ^ (x)) |
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#define rs1(x) ROTL32(x, 3) |
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#define rs2(x) ROTL32(x, 7) |
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#define rs3(x) ROTL32(x, 13) |
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#define rs4(x) ROTL32(x, 16) |
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#define rs5(x) ROTL32(x, 19) |
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#define rs6(x) ROTL32(x, 23) |
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#define rs7(x) ROTL32(x, 27) |
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#define MAKE_W(tt, i0, op01, i1, op12, i2, op23, i3, op34, i4) \ |
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tt((data[i0] ^ h[i0]) op01 (data[i1] ^ h[i1]) op12 (data[i2] ^ h[i2]) op23 (data[i3] ^ h[i3]) op34 (data[i4] ^ h[i4])) |
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//#define Ws0 MAKE_W(SPH_T32, 5, -, 7, +, 10, +, 13, +, 14) |
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//#define Ws1 MAKE_W(SPH_T32, 6, -, 8, +, 11, +, 14, -, 15) |
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//#define Ws2 MAKE_W(SPH_T32, 0, +, 7, +, 9, -, 12, +, 15) |
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//#define Ws3 MAKE_W(SPH_T32, 0, -, 1, +, 8, -, 10, +, 13) |
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//#define Ws4 MAKE_W(SPH_T32, 1, +, 2, +, 9, -, 11, -, 14) |
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//#define Ws5 MAKE_W(SPH_T32, 3, -, 2, +, 10, -, 12, +, 15) |
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//#define Ws6 MAKE_W(SPH_T32, 4, -, 0, -, 3, -, 11, +, 13) |
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//#define Ws7 MAKE_W(SPH_T32, 1, -, 4, -, 5, -, 12, -, 14) |
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//#define Ws8 MAKE_W(SPH_T32, 2, -, 5, -, 6, +, 13, -, 15) |
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//#define Ws9 MAKE_W(SPH_T32, 0, -, 3, +, 6, -, 7, +, 14) |
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//#define Ws10 MAKE_W(SPH_T32, 8, -, 1, -, 4, -, 7, +, 15) |
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//#define Ws11 MAKE_W(SPH_T32, 8, -, 0, -, 2, -, 5, +, 9) |
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//#define Ws12 MAKE_W(SPH_T32, 1, +, 3, -, 6, -, 9, +, 10) |
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//#define Ws13 MAKE_W(SPH_T32, 2, +, 4, +, 7, +, 10, +, 11) |
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//#define Ws14 MAKE_W(SPH_T32, 3, -, 5, +, 8, -, 11, -, 12) |
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//#define Ws15 MAKE_W(SPH_T32, 12, -, 4, -, 6, -, 9, +, 13) |
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__device__ |
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static void gpu_compress_small(const sph_u32 *data, const sph_u32 h[16], sph_u32 dh[16]) |
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{ |
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// FOLD MAKE_Qas; |
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sph_u32 dx[16]; |
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for (int i=0; i<16; i++) |
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dx[i] = data[i] ^ h[i]; |
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sph_u32 qt[32]; |
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qt[ 0] = dx[ 5] - dx[7] + dx[10] + dx[13] + dx[14]; // Ws0 |
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qt[ 1] = dx[ 6] - dx[8] + dx[11] + dx[14] - dx[15]; // Ws1 |
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qt[ 2] = dx[ 0] + dx[7] + dx[ 9] - dx[12] + dx[15]; // Ws2 |
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qt[ 3] = dx[ 0] - dx[1] + dx[ 8] - dx[10] + dx[13]; // Ws3 |
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qt[ 4] = dx[ 1] + dx[2] + dx[ 9] - dx[11] - dx[14]; // Ws4; |
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qt[ 5] = dx[ 3] - dx[2] + dx[10] - dx[12] + dx[15]; // Ws5; |
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qt[ 6] = dx[ 4] - dx[0] - dx[ 3] - dx[11] + dx[13]; // Ws6; |
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qt[ 7] = dx[ 1] - dx[4] - dx[ 5] - dx[12] - dx[14]; // Ws7; |
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qt[ 8] = dx[ 2] - dx[5] - dx[ 6] + dx[13] - dx[15]; // Ws8; |
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qt[ 9] = dx[ 0] - dx[3] + dx[ 6] - dx[ 7] + dx[14]; // Ws9; |
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qt[10] = dx[ 8] - dx[1] - dx[ 4] - dx[ 7] + dx[15]; // Ws10; |
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qt[11] = dx[ 8] - dx[0] - dx[ 2] - dx[ 5] + dx[ 9]; // Ws11; |
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qt[12] = dx[ 1] + dx[3] - dx[ 6] - dx[ 9] + dx[10]; // Ws12; |
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qt[13] = dx[ 2] + dx[4] + dx[ 7] + dx[10] + dx[11]; // Ws13; |
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qt[14] = dx[ 3] - dx[5] + dx[ 8] - dx[11] - dx[12]; // Ws14; |
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qt[15] = dx[12] - dx[4] - dx[ 6] - dx[ 9] + dx[13]; // Ws15; |
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qt[ 0] = ss0(qt[ 0]) + h[ 1]; |
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qt[ 1] = ss1(qt[ 1]) + h[ 2]; |
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qt[ 2] = ss2(qt[ 2]) + h[ 3]; |
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qt[ 3] = ss3(qt[ 3]) + h[ 4]; |
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qt[ 4] = ss4(qt[ 4]) + h[ 5]; |
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qt[ 5] = ss0(qt[ 5]) + h[ 6]; |
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qt[ 6] = ss1(qt[ 6]) + h[ 7]; |
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qt[ 7] = ss2(qt[ 7]) + h[ 8]; |
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qt[ 8] = ss3(qt[ 8]) + h[ 9]; |
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qt[ 9] = ss4(qt[ 9]) + h[10]; |
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qt[10] = ss0(qt[10]) + h[11]; |
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qt[11] = ss1(qt[11]) + h[12]; |
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qt[12] = ss2(qt[12]) + h[13]; |
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qt[13] = ss3(qt[13]) + h[14]; |
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qt[14] = ss4(qt[14]) + h[15]; |
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qt[15] = ss0(qt[15]) + h[ 0]; |
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//MAKE_Qbs; |
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#define Ks(j) ((sph_u32)(0x05555555UL * j)) |
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#define Qs(j) (qt[j]) |
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#define expand1s_in(i16, \ |
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i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12, i13, i14, i15, \ |
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i0m, i1m, i3m, i4m, i7m, i10m, i11m) \ |
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(ss1(qt[i0]) + ss2(qt[i1]) + ss3(qt[i2]) + ss0(qt[i3]) + ss1(qt[i4]) + ss2(qt[i5]) + ss3(qt[i6]) + ss0(qt[i7]) \ |
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+ ss1(qt[i8]) + ss2(qt[i9]) + ss3(qt[i10]) + ss0(qt[i11]) + ss1(qt[i12]) + ss2(qt[i13]) + ss3(qt[i14]) + ss0(qt[i15]) \ |
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+ ((ROTL32(data[i0m], i1m) + ROTL32(data[i3m], i4m) - ROTL32(data[i10m], i11m) + Ks(i16)) ^ h[i7m])) |
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qt[16] = expand1s_in(16, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 3, 4, 7, 10, 11); |
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qt[17] = expand1s_in(17, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 1, 2, 4, 5, 8, 11, 12); |
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#define expand2s_inner(qf, i16, \ |
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i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12, i13, i14, i15, \ |
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i0m, i1m, i3m, i4m, i7m, i10m, i11m) \ |
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(qf(i0) + rs1(qf(i1)) + qf(i2) + rs2(qf(i3)) \ |
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+ qf(i4) + rs3(qf(i5)) + qf(i6) + rs4(qf(i7)) + qf(i8) + rs5(qf(i9)) + qf(i10) + rs6(qf(i11)) \ |
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+ qf(i12) + rs7(qf(i13)) + ss4(qf(i14)) + ss5(qf(i15)) \ |
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+ ((ROTL32(data[i0m], i1m) + ROTL32(data[i3m], i4m) - ROTL32(data[i10m], i11m) + Ks(i16)) ^ h[i7m])) |
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#ifdef _MSC_VER |
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#define LPAR ( |
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#define expand2s(i16) \ |
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expand2s_(Qs, i16, I16_ ## i16, M16_ ## i16) |
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#define expand2s_(qf, i16, ix, iy) \ |
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expand2s_inner LPAR qf, i16, ix, iy) |
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#else |
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#define expand2s_(i16, ix, iy) \ |
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expand2s_inner(Qs, i16, ix, iy) |
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#define expand2s(i16) \ |
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expand2s_(i16, I16_ ## i16, M16_ ## i16) |
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#endif |
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qt[18] = expand2s(18); |
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qt[19] = expand2s(19); |
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qt[20] = expand2s(20); |
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qt[21] = expand2s(21); |
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qt[22] = expand2s(22); |
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qt[23] = expand2s(23); |
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qt[24] = expand2s(24); |
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qt[25] = expand2s(25); |
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qt[26] = expand2s(26); |
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qt[27] = expand2s(27); |
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qt[28] = expand2s(28); |
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qt[29] = expand2s(29); |
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qt[30] = expand2s(30); |
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qt[31] = expand2s(31); |
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sph_u32 xl, xh; |
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xl = Qs(16) ^ Qs(17) ^ Qs(18) ^ Qs(19) ^ Qs(20) ^ Qs(21) ^ Qs(22) ^ Qs(23); |
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xh = xl ^ Qs(24) ^ Qs(25) ^ Qs(26) ^ Qs(27) ^ Qs(28) ^ Qs(29) ^ Qs(30) ^ Qs(31); |
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dh[ 0] = ((xh << 5) ^ (Qs(16) >> 5) ^ data[ 0]) + (xl ^ Qs(24) ^ Qs(0)); |
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dh[ 1] = ((xh >> 7) ^ (Qs(17) << 8) ^ data[ 1]) + (xl ^ Qs(25) ^ Qs(1)); |
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dh[ 2] = ((xh >> 5) ^ (Qs(18) << 5) ^ data[ 2]) + (xl ^ Qs(26) ^ Qs(2)); |
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dh[ 3] = ((xh >> 1) ^ (Qs(19) << 5) ^ data[ 3]) + (xl ^ Qs(27) ^ Qs(3)); |
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dh[ 4] = ((xh >> 3) ^ (Qs(20) << 0) ^ data[ 4]) + (xl ^ Qs(28) ^ Qs(4)); |
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dh[ 5] = ((xh << 6) ^ (Qs(21) >> 6) ^ data[ 5]) + (xl ^ Qs(29) ^ Qs(5)); |
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dh[ 6] = ((xh >> 4) ^ (Qs(22) << 6) ^ data[ 6]) + (xl ^ Qs(30) ^ Qs(6)); |
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dh[ 7] = ((xh >> 11) ^ (Qs(23) << 2) ^ data[ 7]) + (xl ^ Qs(31) ^ Qs(7)); |
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dh[ 8] = ROTL32(dh[4], 9) + (xh ^ Qs(24) ^ data[ 8]) + ((xl << 8) ^ Qs(23) ^ Qs( 8)); |
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dh[ 9] = ROTL32(dh[5], 10) + (xh ^ Qs(25) ^ data[ 9]) + ((xl >> 6) ^ Qs(16) ^ Qs( 9)); |
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dh[10] = ROTL32(dh[6], 11) + (xh ^ Qs(26) ^ data[10]) + ((xl << 6) ^ Qs(17) ^ Qs(10)); |
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dh[11] = ROTL32(dh[7], 12) + (xh ^ Qs(27) ^ data[11]) + ((xl << 4) ^ Qs(18) ^ Qs(11)); |
||||
dh[12] = ROTL32(dh[0], 13) + (xh ^ Qs(28) ^ data[12]) + ((xl >> 3) ^ Qs(19) ^ Qs(12)); |
||||
dh[13] = ROTL32(dh[1], 14) + (xh ^ Qs(29) ^ data[13]) + ((xl >> 4) ^ Qs(20) ^ Qs(13)); |
||||
dh[14] = ROTL32(dh[2], 15) + (xh ^ Qs(30) ^ data[14]) + ((xl >> 7) ^ Qs(21) ^ Qs(14)); |
||||
dh[15] = ROTL32(dh[3], 16) + (xh ^ Qs(31) ^ data[15]) + ((xl >> 2) ^ Qs(22) ^ Qs(15)); |
||||
} |
||||
|
||||
#ifndef USE_MIDSTATE |
||||
|
||||
__device__ |
||||
static void gpu_bmw256_init(sph_bmw_small_context *sc) |
||||
{ |
||||
memcpy(sc->H, IV256, sizeof sc->H); |
||||
sc->ptr = 0; |
||||
sc->bit_count = 0; |
||||
} |
||||
|
||||
__device__ |
||||
static void gpu_bmw256(sph_bmw_small_context *sc, const void *data, size_t len) |
||||
{ |
||||
sph_u32 htmp[16]; |
||||
sph_u32 *h1, *h2; |
||||
unsigned char *buf = sc->buf; |
||||
size_t ptr = sc->ptr; |
||||
|
||||
sc->bit_count += (sph_u64)len << 3; |
||||
|
||||
h1 = sc->H; |
||||
h2 = htmp; |
||||
while (len > 0) { |
||||
size_t clen; |
||||
|
||||
clen = (sizeof sc->buf) - ptr; |
||||
if (clen > len) |
||||
clen = len; |
||||
memcpy(buf + ptr, data, clen); |
||||
data = (const unsigned char *)data + clen; |
||||
len -= clen; |
||||
ptr += clen; |
||||
if (ptr == sizeof sc->buf) { |
||||
sph_u32 *ht; |
||||
|
||||
gpu_compress_small((sph_u32 *) buf, h1, h2); |
||||
ht = h1; |
||||
h1 = h2; |
||||
h2 = ht; |
||||
ptr = 0; |
||||
} |
||||
} |
||||
sc->ptr = ptr; |
||||
if (h1 != sc->H) |
||||
memcpy(sc->H, h1, sizeof sc->H); |
||||
} |
||||
|
||||
#endif |
||||
|
||||
#define sph_enc64le(ptr, x) \ |
||||
*((uint64_t*)(ptr)) = x |
||||
#define sph_enc64le_aligned sph_enc64le |
||||
|
||||
__device__ |
||||
static void gpu_bmw256_close(sph_bmw_small_context *sc, uint2 *out) |
||||
{ |
||||
unsigned char *buf = sc->buf; |
||||
size_t ptr = sc->ptr; |
||||
|
||||
buf[ptr ++] = 0x80; |
||||
sph_u32 *h = sc->H; |
||||
|
||||
sph_u32 h1[16]; |
||||
if (ptr > (sizeof sc->buf) - 8) { |
||||
memset(buf + ptr, 0, (sizeof sc->buf) - ptr); |
||||
gpu_compress_small((sph_u32 *) buf, h, h1); |
||||
ptr = 0; |
||||
h = h1; |
||||
} |
||||
memset(buf + ptr, 0, sizeof(sc->buf) - 8 - ptr); |
||||
|
||||
sph_enc64le_aligned(buf + sizeof(sc->buf) - 8, SPH_T64(sc->bit_count)); |
||||
|
||||
sph_u32 h2[16]; |
||||
gpu_compress_small((sph_u32 *) buf, h, h2); |
||||
gpu_compress_small(h2, final_s, h1); |
||||
|
||||
uint64_t* h64 = (uint64_t*) (&h1[8]); |
||||
#pragma unroll |
||||
for (int i = 0; i < 4; i++) { |
||||
out[i] = vectorize(h64[i]); |
||||
} |
||||
} |
||||
|
||||
__global__ /* __launch_bounds__(256, 3) */ |
||||
void bmw256_gpu_hash_80(uint32_t threads, uint32_t startNonce, uint64_t *g_hash, sph_bmw256_context *d_midstate, int swap) |
||||
{ |
||||
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
||||
if (thread < threads) |
||||
{ |
||||
uint32_t nonce = startNonce + thread; |
||||
nonce = swap ? cuda_swab32(nonce): nonce; |
||||
|
||||
#ifndef USE_MIDSTATE |
||||
uint2 hash[10]; |
||||
#pragma unroll |
||||
for(int i=0;i<9;i++) |
||||
hash[i] = vectorize(c_PaddedMessage80[i]); |
||||
hash[9] = make_uint2(c_PaddedMessage80[9], nonce); |
||||
|
||||
sph_bmw256_context ctx; |
||||
gpu_bmw256_init(&ctx); |
||||
gpu_bmw256(&ctx, (void*) hash, 80); |
||||
#else |
||||
sph_bmw256_context ctx; |
||||
ctx.ptr = 16; ctx.bit_count = 640; |
||||
uint2 *buf = (uint2 *) ctx.buf; |
||||
buf[0] = vectorize(c_PaddedMessage80[8]); |
||||
buf[1] = make_uint2(c_PaddedMessage80[9], nonce); |
||||
#pragma unroll |
||||
for(int i=0;i<16;i++) |
||||
ctx.H[i] = d_midstate->H[i]; |
||||
#endif |
||||
gpu_bmw256_close(&ctx, (uint2*) &g_hash[thread << 2]); |
||||
} |
||||
} |
||||
|
||||
__host__ |
||||
void bmw256_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t *d_outputHash, int swap) |
||||
{ |
||||
const uint32_t threadsperblock = 256; |
||||
|
||||
dim3 grid((threads + threadsperblock-1)/threadsperblock); |
||||
dim3 block(threadsperblock); |
||||
|
||||
bmw256_gpu_hash_80<<<grid, block>>>(threads, startNonce, (uint64_t*)d_outputHash, d_midstate[thr_id], swap); |
||||
} |
||||
|
||||
__host__ |
||||
void bmw256_setBlock_80(int thr_id, void *pdata) |
||||
{ |
||||
uint64_t PaddedMessage[16]; |
||||
memcpy(PaddedMessage, pdata, 80); |
||||
memset(&PaddedMessage[10], 0, 48); |
||||
CUDA_SAFE_CALL(cudaMemcpyToSymbol(c_PaddedMessage80, PaddedMessage, sizeof(PaddedMessage), 0, cudaMemcpyHostToDevice)); |
||||
|
||||
sph_bmw256_context ctx; |
||||
sph_bmw256_init(&ctx); |
||||
sph_bmw256(&ctx, (void*) PaddedMessage, 80); |
||||
CUDA_SAFE_CALL(cudaMemcpy(d_midstate[thr_id], &ctx, sizeof(sph_bmw256_context), cudaMemcpyHostToDevice)); |
||||
} |
||||
|
||||
__host__ |
||||
void bmw256_midstate_init(int thr_id, uint32_t threads) |
||||
{ |
||||
cudaMalloc(&d_midstate[thr_id], sizeof(sph_bmw256_context)); |
||||
} |
||||
Loading…
Reference in new issue