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117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/**
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* x16r algo implementation
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*
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* Implementation by tpruvot@github Jan 2018
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* Optimized by JayDDee@github Jan 2018
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*/
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#include "x16r-gate.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "algo/sha/sph_sha2.h"
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#include "algo/haval/sph-haval.h"
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#include "algo/tiger/sph_tiger.h"
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#include "algo/gost/sph_gost.h"
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#include "algo/lyra2/lyra2.h"
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#if !defined(X16R_8WAY) && !defined(X16R_4WAY)
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static __thread uint64_t* x21s_matrix;
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union _x21s_context_overlay
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{
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sph_haval256_5_context haval;
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sph_tiger_context tiger;
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sph_gost512_context gost;
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sph_sha256_context sha256;
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};
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typedef union _x21s_context_overlay x21s_context_overlay;
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int x21s_hash( void* output, const void* input, int thrid )
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{
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uint32_t _ALIGN(128) hash[16];
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x21s_context_overlay ctx;
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if ( !x16r_hash_generic( hash, input, thrid ) )
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return 0;
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sph_haval256_5_init( &ctx.haval );
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sph_haval256_5( &ctx.haval, (const void*) hash, 64) ;
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sph_haval256_5_close( &ctx.haval, hash );
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sph_tiger_init( &ctx.tiger );
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sph_tiger ( &ctx.tiger, (const void*) hash, 64 );
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sph_tiger_close( &ctx.tiger, (void*) hash );
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LYRA2REV2( x21s_matrix, (void*) hash, 32, (const void*) hash, 32,
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(const void*) hash, 32, 1, 4, 4);
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sph_gost512_init( &ctx.gost );
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sph_gost512 ( &ctx.gost, (const void*) hash, 64 );
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sph_gost512_close( &ctx.gost, (void*) hash );
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sph_sha256_init( &ctx.sha256 );
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sph_sha256( &ctx.sha256, hash, 64 );
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sph_sha256_close( &ctx.sha256, hash );
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memcpy( output, hash, 32 );
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return 1;
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}
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int scanhash_x21s( 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(128) hash32[8];
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uint32_t _ALIGN(128) 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 first_nonce = pdata[19];
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const int thr_id = mythr->id;
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uint32_t nonce = first_nonce;
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volatile uint8_t *restart = &(work_restart[thr_id].restart);
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const bool bench = opt_benchmark;
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if ( bench ) ptarget[7] = 0x0cff;
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mm128_bswap32_80( edata, pdata );
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static __thread uint32_t s_ntime = UINT32_MAX;
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if ( s_ntime != pdata[17] )
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{
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uint32_t ntime = swab32(pdata[17]);
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x16_r_s_getAlgoString( (const uint8_t*)(&edata[1]), x16r_hash_order );
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s_ntime = ntime;
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if ( opt_debug && !thr_id )
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applog( LOG_INFO, "hash order %s (%08x)", x16r_hash_order, ntime );
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}
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x16r_prehash( edata, pdata );
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do
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{
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edata[19] = nonce;
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if ( x21s_hash( hash32, edata, thr_id ) )
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if ( unlikely( valid_hash( hash32, ptarget ) && !bench ) )
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{
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pdata[19] = bswap_32( nonce );
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submit_solution( work, hash32, mythr );
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}
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nonce++;
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} while ( nonce < max_nonce && !(*restart) );
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce;
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return 0;
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}
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bool x21s_thread_init()
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{
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const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * 4; // nCols
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const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
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const int size = (int64_t)ROW_LEN_BYTES * 4; // nRows;
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x21s_matrix = _mm_malloc( size, 64 );
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return x21s_matrix;
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}
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#endif
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