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https://github.com/JayDDee/cpuminer-opt.git
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120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
#include "veltor-gate.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#if defined(__AVX2__) && defined(__AES__)
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#include "algo/skein/skein-hash-4way.h"
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#include "algo/shavite/sph_shavite.h"
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#include "algo/shabal/shabal-hash-4way.h"
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#include "algo/gost/sph_gost.h"
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typedef struct {
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skein512_4way_context skein;
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sph_shavite512_context shavite;
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shabal512_4way_context shabal;
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sph_gost512_context gost;
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} veltor_4way_ctx_holder;
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veltor_4way_ctx_holder veltor_4way_ctx __attribute__ ((aligned (64)));
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void init_veltor_4way_ctx()
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{
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skein512_4way_init( &veltor_4way_ctx.skein );
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sph_shavite512_init( &veltor_4way_ctx.shavite );
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shabal512_4way_init( &veltor_4way_ctx.shabal );
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sph_gost512_init( &veltor_4way_ctx.gost );
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}
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void veltor_4way_hash( void *output, const void *input )
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{
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uint64_t hash0[8] __attribute__ ((aligned (64)));
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uint64_t hash1[8] __attribute__ ((aligned (64)));
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uint64_t hash2[8] __attribute__ ((aligned (64)));
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uint64_t hash3[8] __attribute__ ((aligned (64)));
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uint64_t vhash[8*4] __attribute__ ((aligned (64)));
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veltor_4way_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &veltor_4way_ctx, sizeof(veltor_4way_ctx) );
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skein512_4way_update( &ctx.skein, input, 80 );
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skein512_4way_close( &ctx.skein, vhash );
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dintrlv_4x64( hash0, hash1, hash2, hash3, vhash, 512 );
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sph_shavite512( &ctx.shavite, hash0, 64 );
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sph_shavite512_close( &ctx.shavite, hash0 );
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sph_shavite512_init( &ctx.shavite );
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sph_shavite512( &ctx.shavite, hash1, 64 );
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sph_shavite512_close( &ctx.shavite, hash1 );
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sph_shavite512_init( &ctx.shavite );
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sph_shavite512( &ctx.shavite, hash2, 64 );
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sph_shavite512_close( &ctx.shavite, hash2 );
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sph_shavite512_init( &ctx.shavite );
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sph_shavite512( &ctx.shavite, hash3, 64 );
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sph_shavite512_close( &ctx.shavite, hash3 );
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intrlv_4x32( vhash, hash0, hash1, hash2, hash3, 512 );
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shabal512_4way_update( &ctx.shabal, vhash, 64 );
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shabal512_4way_close( &ctx.shabal, vhash );
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dintrlv_4x32( hash0, hash1, hash2, hash3, vhash, 512 );
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sph_gost512( &ctx.gost, hash0, 64 );
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sph_gost512_close( &ctx.gost, hash0 );
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sph_gost512_init( &ctx.gost );
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sph_gost512( &ctx.gost, hash1, 64 );
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sph_gost512_close( &ctx.gost, hash1 );
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sph_gost512_init( &ctx.gost );
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sph_gost512( &ctx.gost, hash2, 64 );
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sph_gost512_close( &ctx.gost, hash2 );
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sph_gost512_init( &ctx.gost );
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sph_gost512( &ctx.gost, hash3, 64 );
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sph_gost512_close( &ctx.gost, hash3 );
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memcpy( output, hash0, 32 );
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memcpy( output+32, hash1, 32 );
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memcpy( output+64, hash2, 32 );
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memcpy( output+96, hash3, 32 );
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}
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int scanhash_veltor_4way( 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 hash[4*8] __attribute__ ((aligned (64)));
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uint32_t vdata[24*4] __attribute__ ((aligned (64)));
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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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__m256i *noncev = (__m256i*)vdata + 9; // aligned
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int thr_id = mythr->id; // thr_id arg is deprecated
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volatile uint8_t *restart = &(work_restart[thr_id].restart);
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if ( opt_benchmark )
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ptarget[7] = 0x0cff;
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mm256_bswap32_intrlv80_4x64( vdata, pdata );
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do
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{
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*noncev = mm256_intrlv_blend_32( mm256_bswap_32(
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_mm256_set_epi32( n+3, 0, n+2, 0, n+1, 0, n, 0 ) ), *noncev );
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veltor_4way_hash( hash, vdata );
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pdata[19] = n;
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for ( int i = 0; i < 4; i++ )
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if ( (hash+(i<<3))[7] <= Htarg && fulltest( hash+(i<<3), ptarget ) )
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{
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pdata[19] = n+i;
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submit_lane_solution( work, hash+(i<<3), mythr, i );
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}
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n += 4;
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} while ( ( n < max_nonce ) && !(*restart) );
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*hashes_done = n - first_nonce + 1;
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return 0;
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}
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#endif
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