mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
#include <memory.h>
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#include <mm_malloc.h>
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#include "lyra2-gate.h"
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#if !( defined(LYRA2Z_16WAY) || defined(LYRA2Z_8WAY) || defined(LYRA2Z_4WAY) )
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#include "lyra2.h"
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#include "algo/blake/sph_blake.h"
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#include "simd-utils.h"
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__thread uint64_t* lyra2z_matrix;
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bool lyra2z_thread_init()
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{
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// const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * 8; // nCols
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// const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
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// int i = (int64_t)ROW_LEN_BYTES * 8; // nRows;
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const int i = BLOCK_LEN_INT64 * 8 * 8 * 8;
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lyra2z_matrix = _mm_malloc( i, 64 );
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return lyra2z_matrix;
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}
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static __thread sph_blake256_context lyra2z_blake_mid;
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void lyra2z_midstate( const void* input )
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{
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sph_blake256_init( &lyra2z_blake_mid );
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sph_blake256( &lyra2z_blake_mid, input, 64 );
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}
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// block 2050 new algo, blake plus new lyra parms. new input
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// is power of 2 so normal lyra can be used
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//void zcoin_hash(void *state, const void *input, uint32_t height)
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void lyra2z_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_blake256_context ctx_blake __attribute__ ((aligned (64)));
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memcpy( &ctx_blake, &lyra2z_blake_mid, sizeof lyra2z_blake_mid );
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sph_blake256( &ctx_blake, input + 64, 16 );
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sph_blake256_close( &ctx_blake, hash );
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LYRA2Z( lyra2z_matrix, hash, 32, hash, 32, hash, 32, 8, 8, 8);
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memcpy(state, hash, 32);
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}
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int scanhash_lyra2z( struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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uint32_t _ALIGN(64) hash[8];
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uint32_t _ALIGN(64) endiandata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t Htarg = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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int thr_id = mythr->id;
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if (opt_benchmark)
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ptarget[7] = 0x0000ff;
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for (int i=0; i < 19; i++) {
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be32enc(&endiandata[i], pdata[i]);
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}
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lyra2z_midstate( endiandata );
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do {
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be32enc(&endiandata[19], nonce);
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lyra2z_hash( hash, endiandata );
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if ( valid_hash( hash, ptarget ) && !opt_benchmark )
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{
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pdata[19] = nonce;
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submit_solution( work, hash, mythr );
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}
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nonce++;
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} while ( nonce < max_nonce && !work_restart[thr_id].restart );
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce + 1;
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return 0;
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}
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#endif
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