mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
#include "lyra2z-gate.h"
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#ifdef LYRA2Z_4WAY
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#include <memory.h>
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#include <mm_malloc.h>
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#include "lyra2.h"
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#include "algo/blake/sph_blake.h"
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#include "algo/blake/blake-hash-4way.h"
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__thread uint64_t* lyra2z_4way_matrix;
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bool lyra2z_4way_thread_init()
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{
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return ( lyra2z_4way_matrix = _mm_malloc( LYRA2Z_MATRIX_SIZE, 64 ) );
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}
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static __thread blake256_4way_context l2z_4way_blake_mid;
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void lyra2z_4way_midstate( const void* input )
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{
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blake256_4way_init( &l2z_4way_blake_mid );
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blake256_4way( &l2z_4way_blake_mid, input, 64 );
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}
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void lyra2z_4way_hash( void *state, const void *input )
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{
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uint32_t hash0[8] __attribute__ ((aligned (64)));
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uint32_t hash1[8] __attribute__ ((aligned (64)));
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uint32_t hash2[8] __attribute__ ((aligned (64)));
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uint32_t hash3[8] __attribute__ ((aligned (64)));
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uint32_t vhash[8*4] __attribute__ ((aligned (64)));
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blake256_4way_context ctx_blake __attribute__ ((aligned (64)));
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memcpy( &ctx_blake, &l2z_4way_blake_mid, sizeof l2z_4way_blake_mid );
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blake256_4way( &ctx_blake, input + (64*4), 16 );
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blake256_4way_close( &ctx_blake, vhash );
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mm_deinterleave_4x32( hash0, hash1, hash2, hash3, vhash, 256 );
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LYRA2Z( lyra2z_4way_matrix, hash0, 32, hash0, 32, hash0, 32, 8, 8, 8 );
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LYRA2Z( lyra2z_4way_matrix, hash1, 32, hash1, 32, hash1, 32, 8, 8, 8 );
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LYRA2Z( lyra2z_4way_matrix, hash2, 32, hash2, 32, hash2, 32, 8, 8, 8 );
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LYRA2Z( lyra2z_4way_matrix, hash3, 32, hash3, 32, hash3, 32, 8, 8, 8 );
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memcpy( state, hash0, 32 );
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memcpy( state+32, hash1, 32 );
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memcpy( state+64, hash2, 32 );
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memcpy( state+96, hash3, 32 );
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}
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int scanhash_lyra2z_4way( int thr_id, struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done )
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{
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uint32_t hash[8*4] __attribute__ ((aligned (64)));
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uint32_t vdata[20*4] __attribute__ ((aligned (64)));
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uint32_t _ALIGN(64) edata[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 n = first_nonce;
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uint32_t *nonces = work->nonces;
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bool *found = work->nfound;
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int num_found = 0;
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uint32_t *noncep0 = vdata + 76; // 19*4
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uint32_t *noncep1 = vdata + 77;
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uint32_t *noncep2 = vdata + 78;
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uint32_t *noncep3 = vdata + 79;
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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( &edata[i], pdata[i] );
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mm_interleave_4x32( vdata, edata, edata, edata, edata, 640 );
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lyra2z_4way_midstate( vdata );
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do {
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found[0] = found[1] = found[2] = found[3] = false;
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be32enc( noncep0, n );
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be32enc( noncep1, n+1 );
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be32enc( noncep2, n+2 );
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be32enc( noncep3, n+3 );
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lyra2z_4way_hash( hash, vdata );
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pdata[19] = n;
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if ( hash[7] <= Htarg && fulltest( hash, ptarget ) )
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{
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found[0] = true;
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num_found++;
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nonces[0] = pdata[19] = n;
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work_set_target_ratio( work, hash );
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}
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if ( (hash+8)[7] <= Htarg && fulltest( hash+8, ptarget ) )
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{
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found[1] = true;
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num_found++;
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nonces[1] = n+1;
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work_set_target_ratio( work, hash+8 );
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}
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if ( (hash+16)[7] <= Htarg && fulltest( hash+16, ptarget ) )
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{
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found[2] = true;
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num_found++;
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nonces[2] = n+2;
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work_set_target_ratio( work, hash+16 );
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}
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if ( (hash+24)[7] <= Htarg && fulltest( hash+24, ptarget ) )
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{
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found[3] = true;
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num_found++;
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nonces[3] = n+3;
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work_set_target_ratio( work, hash+24 );
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}
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n += 4;
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} while ( (num_found == 0) && (n < max_nonce-4)
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&& !work_restart[thr_id].restart);
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*hashes_done = n - first_nonce + 1;
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return num_found;
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}
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#endif
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