mirror of
https://github.com/JayDDee/cpuminer-opt.git
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133 lines
4.4 KiB
C
133 lines
4.4 KiB
C
#include "skunk-gate.h"
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#if defined(SKUNK_4WAY)
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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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#include "algo/skein/skein-hash-4way.h"
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#include "algo/gost/sph_gost.h"
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#include "algo/fugue/sph_fugue.h"
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#include "algo/cubehash/sse2/cubehash_sse2.h"
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typedef struct {
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skein512_4way_context skein;
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cubehashParam cube;
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sph_fugue512_context fugue;
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sph_gost512_context gost;
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} skunk_4way_ctx_holder;
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static __thread skunk_4way_ctx_holder skunk_4way_ctx;
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void skunk_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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skunk_4way_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &skunk_4way_ctx, sizeof(skunk_4way_ctx) );
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skein512_4way( &ctx.skein, input, 80 );
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skein512_4way_close( &ctx.skein, vhash );
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mm256_deinterleave_4x64( hash0, hash1, hash2, hash3, vhash, 512 );
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cubehashUpdateDigest( &ctx.cube, (byte*) hash0, (const byte*)hash0, 64 );
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memcpy( &ctx.cube, &skunk_4way_ctx.cube, sizeof(cubehashParam) );
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cubehashUpdateDigest( &ctx.cube, (byte*)hash1, (const byte*) hash1, 64 );
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memcpy( &ctx.cube, &skunk_4way_ctx.cube, sizeof(cubehashParam) );
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cubehashUpdateDigest( &ctx.cube, (byte*)hash2, (const byte*) hash2, 64 );
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memcpy( &ctx.cube, &skunk_4way_ctx.cube, sizeof(cubehashParam) );
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cubehashUpdateDigest( &ctx.cube, (byte*)hash3, (const byte*) hash3, 64 );
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sph_fugue512( &ctx.fugue, hash0, 64 );
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sph_fugue512_close( &ctx.fugue, hash0 );
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sph_fugue512_init( &ctx.fugue );
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sph_fugue512( &ctx.fugue, hash1, 64 );
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sph_fugue512_close( &ctx.fugue, hash1 );
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sph_fugue512_init( &ctx.fugue );
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sph_fugue512( &ctx.fugue, hash2, 64 );
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sph_fugue512_close( &ctx.fugue, hash2 );
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sph_fugue512_init( &ctx.fugue );
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sph_fugue512( &ctx.fugue, hash3, 64 );
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sph_fugue512_close( &ctx.fugue, hash3 );
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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_skunk_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[4*8] __attribute__ ((aligned (64)));
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uint32_t vdata[24*4] __attribute__ ((aligned (64)));
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uint32_t endiandata[20] __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 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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int num_found = 0;
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uint32_t *noncep = vdata + 73; // 9*8 + 1
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const uint32_t Htarg = ptarget[7];
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volatile uint8_t *restart = &(work_restart[thr_id].restart);
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if ( opt_benchmark )
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((uint32_t*)ptarget)[7] = 0x0cff;
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for ( int k = 0; k < 19; k++ )
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be32enc( &endiandata[k], pdata[k] );
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uint64_t *edata = (uint64_t*)endiandata;
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mm256_interleave_4x64( (uint64_t*)vdata, edata, edata, edata, edata, 640 );
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do
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{
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be32enc( noncep, n );
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be32enc( noncep+2, n+1 );
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be32enc( noncep+4, n+2 );
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be32enc( noncep+6, n+3 );
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skunk_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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nonces[ num_found++ ] = n+i;
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work_set_target_ratio( work, hash+(i<<3) );
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}
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n +=4;
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} while ( ( num_found == 0 ) && ( n < max_nonce ) && !(*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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bool skunk_4way_thread_init()
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{
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skein512_4way_init( &skunk_4way_ctx.skein );
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cubehashInit( &skunk_4way_ctx.cube, 512, 16, 32 );
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sph_fugue512_init( &skunk_4way_ctx.fugue );
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sph_gost512_init( &skunk_4way_ctx.gost );
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return true;
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}
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#endif
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