mirror of
https://github.com/JayDDee/cpuminer-opt.git
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102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
#include "skein-gate.h"
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#include <string.h>
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#include <stdint.h>
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#include "skein-hash-4way.h"
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#if defined(__SHA__)
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#include <openssl/sha.h>
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#else
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#include "algo/sha/sha2-hash-4way.h"
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#endif
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#if defined (SKEIN_4WAY)
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void skeinhash_4way( void *state, const void *input )
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{
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uint64_t vhash64[8*4] __attribute__ ((aligned (64)));
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uint32_t vhash32[16*4] __attribute__ ((aligned (64)));
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skein512_4way_context ctx_skein;
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#if defined(__SHA__)
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uint32_t hash0[16] __attribute__ ((aligned (64)));
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uint32_t hash1[16] __attribute__ ((aligned (64)));
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uint32_t hash2[16] __attribute__ ((aligned (64)));
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uint32_t hash3[16] __attribute__ ((aligned (64)));
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SHA256_CTX ctx_sha256;
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#else
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sha256_4way_context ctx_sha256;
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#endif
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skein512_4way_init( &ctx_skein );
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skein512_4way( &ctx_skein, input, 80 );
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skein512_4way_close( &ctx_skein, vhash64 );
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#if defined(__SHA__)
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mm256_dintrlv_4x64( hash0, hash1, hash2, hash3, vhash64, 512 );
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SHA256_Init( &ctx_sha256 );
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SHA256_Update( &ctx_sha256, (unsigned char*)hash0, 64 );
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SHA256_Final( (unsigned char*)hash0, &ctx_sha256 );
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SHA256_Init( &ctx_sha256 );
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SHA256_Update( &ctx_sha256, (unsigned char*)hash1, 64 );
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SHA256_Final( (unsigned char*)hash1, &ctx_sha256 );
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SHA256_Init( &ctx_sha256 );
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SHA256_Update( &ctx_sha256, (unsigned char*)hash2, 64 );
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SHA256_Final( (unsigned char*)hash2, &ctx_sha256 );
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SHA256_Init( &ctx_sha256 );
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SHA256_Update( &ctx_sha256, (unsigned char*)hash3, 64 );
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SHA256_Final( (unsigned char*)hash3, &ctx_sha256 );
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mm128_intrlv_4x32( state, hash0, hash1, hash2, hash3, 256 );
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#else
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mm256_rintrlv_4x64_4x32( vhash32, vhash64, 512 );
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sha256_4way_init( &ctx_sha256 );
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sha256_4way( &ctx_sha256, vhash32, 64 );
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sha256_4way_close( &ctx_sha256, state );
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#endif
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}
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int scanhash_skein_4way( int thr_id, 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 vdata[20*4] __attribute__ ((aligned (64)));
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uint32_t hash[8*4] __attribute__ ((aligned (64)));
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uint32_t lane_hash[8];
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uint32_t *hash7 = &(hash[7<<2]);
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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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mm256_bswap_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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skeinhash_4way( hash, vdata );
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for ( int lane = 0; lane < 4; lane++ )
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if ( hash7[ lane ] <= Htarg )
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{
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mm128_extract_lane_4x32( lane_hash, hash, lane, 256 );
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if ( fulltest( lane_hash, ptarget ) )
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{
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pdata[19] = n + lane;
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submit_solution( work, lane_hash, mythr, lane );
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}
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}
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n += 4;
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} while ( (n < max_nonce) && !work_restart[thr_id].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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