mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
256 lines
9.0 KiB
C
256 lines
9.0 KiB
C
#include "sha256t-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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#include "sha-hash-4way.h"
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#if defined(SHA256D_16WAY)
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int scanhash_sha256d_16way( struct work *work, const uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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__m512i block[16] __attribute__ ((aligned (64)));
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__m512i hash32[8] __attribute__ ((aligned (32)));
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__m512i initstate[8] __attribute__ ((aligned (32)));
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__m512i midstate[8] __attribute__ ((aligned (32)));
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__m512i midstate2[8] __attribute__ ((aligned (32)));
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uint32_t lane_hash[8] __attribute__ ((aligned (32)));
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__m512i vdata[20] __attribute__ ((aligned (32)));
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uint32_t *hash32_d7 = (uint32_t*)&( hash32[7] );
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uint32_t *pdata = work->data;
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const uint32_t *ptarget = work->target;
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const uint32_t targ32_d7 = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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const uint32_t last_nonce = max_nonce - 16;
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uint32_t n = first_nonce;
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__m512i *noncev = vdata + 19;
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const int thr_id = mythr->id;
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const bool bench = opt_benchmark;
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const __m512i last_byte = m512_const1_32( 0x80000000 );
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const __m512i sixteen = m512_const1_32( 16 );
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for ( int i = 0; i < 19; i++ )
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vdata[i] = m512_const1_32( pdata[i] );
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*noncev = _mm512_set_epi32( n+15, n+14, n+13, n+12, n+11, n+10, n+9, n+8,
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n+ 7, n+ 6, n+ 5, n+ 4, n+ 3, n+ 2, n+1, n );
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// initialize state
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initstate[0] = m512_const1_64( 0x6A09E6676A09E667 );
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initstate[1] = m512_const1_64( 0xBB67AE85BB67AE85 );
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initstate[2] = m512_const1_64( 0x3C6EF3723C6EF372 );
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initstate[3] = m512_const1_64( 0xA54FF53AA54FF53A );
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initstate[4] = m512_const1_64( 0x510E527F510E527F );
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initstate[5] = m512_const1_64( 0x9B05688C9B05688C );
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initstate[6] = m512_const1_64( 0x1F83D9AB1F83D9AB );
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initstate[7] = m512_const1_64( 0x5BE0CD195BE0CD19 );
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// hash first 64 byte block of data
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sha256_16way_transform_le( midstate, vdata, initstate );
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// Do 3 rounds on the first 12 bytes of the next block
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sha256_16way_prehash_3rounds( midstate2, vdata + 16, midstate );
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do
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{
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// 1. final 16 bytes of data, with padding
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memcpy_512( block, vdata + 16, 4 );
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block[ 4] = last_byte;
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memset_zero_512( block + 5, 10 );
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block[15] = m512_const1_32( 80*8 ); // bit count
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sha256_16way_final_rounds( hash32, block, midstate, midstate2 );
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// 2. 32 byte hash from 1.
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memcpy_512( block, hash32, 8 );
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block[ 8] = last_byte;
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memset_zero_512( block + 9, 6 );
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block[15] = m512_const1_32( 32*8 ); // bit count
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sha256_16way_transform_le( hash32, block, initstate );
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// byte swap final hash for testing
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mm512_block_bswap_32( hash32, hash32 );
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for ( int lane = 0; lane < 16; lane++ )
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if ( unlikely( hash32_d7[ lane ] <= targ32_d7 ) )
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{
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extr_lane_16x32( lane_hash, hash32, lane, 256 );
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if ( likely( valid_hash( lane_hash, ptarget ) && !bench ) )
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{
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pdata[19] = n + lane;
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submit_solution( work, lane_hash, mythr );
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}
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}
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*noncev = _mm512_add_epi32( *noncev, sixteen );
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n += 16;
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} while ( (n < last_nonce) && !work_restart[thr_id].restart );
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pdata[19] = n;
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*hashes_done = n - first_nonce;
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return 0;
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}
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#endif
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#if defined(SHA256D_8WAY)
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int scanhash_sha256d_8way( struct work *work, const uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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__m256i block[16] __attribute__ ((aligned (64)));
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__m256i hash32[8] __attribute__ ((aligned (32)));
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__m256i initstate[8] __attribute__ ((aligned (32)));
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__m256i midstate[8] __attribute__ ((aligned (32)));
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uint32_t lane_hash[8] __attribute__ ((aligned (32)));
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__m256i vdata[20] __attribute__ ((aligned (32)));
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uint32_t *hash32_d7 = (uint32_t*)&( hash32[7] );
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uint32_t *pdata = work->data;
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const uint32_t *ptarget = work->target;
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const uint32_t targ32_d7 = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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const uint32_t last_nonce = max_nonce - 8;
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uint32_t n = first_nonce;
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__m256i *noncev = vdata + 19;
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const int thr_id = mythr->id;
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const bool bench = opt_benchmark;
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const __m256i last_byte = m256_const1_32( 0x80000000 );
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const __m256i eight = m256_const1_32( 8 );
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for ( int i = 0; i < 19; i++ )
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vdata[i] = m256_const1_32( pdata[i] );
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*noncev = _mm256_set_epi32( n+ 7, n+ 6, n+ 5, n+ 4, n+ 3, n+ 2, n+1, n );
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// initialize state
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initstate[0] = m256_const1_64( 0x6A09E6676A09E667 );
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initstate[1] = m256_const1_64( 0xBB67AE85BB67AE85 );
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initstate[2] = m256_const1_64( 0x3C6EF3723C6EF372 );
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initstate[3] = m256_const1_64( 0xA54FF53AA54FF53A );
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initstate[4] = m256_const1_64( 0x510E527F510E527F );
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initstate[5] = m256_const1_64( 0x9B05688C9B05688C );
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initstate[6] = m256_const1_64( 0x1F83D9AB1F83D9AB );
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initstate[7] = m256_const1_64( 0x5BE0CD195BE0CD19 );
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// hash first 64 bytes of data
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sha256_8way_transform_le( midstate, vdata, initstate );
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do
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{
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// 1. final 16 bytes of data, with padding
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memcpy_256( block, vdata + 16, 4 );
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block[ 4] = last_byte;
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memset_zero_256( block + 5, 10 );
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block[15] = m256_const1_32( 80*8 ); // bit count
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sha256_8way_transform_le( hash32, block, midstate );
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// 2. 32 byte hash from 1.
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memcpy_256( block, hash32, 8 );
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block[ 8] = last_byte;
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memset_zero_256( block + 9, 6 );
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block[15] = m256_const1_32( 32*8 ); // bit count
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sha256_8way_transform_le( hash32, block, initstate );
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// byte swap final hash for testing
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mm256_block_bswap_32( hash32, hash32 );
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for ( int lane = 0; lane < 8; lane++ )
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if ( unlikely( hash32_d7[ lane ] <= targ32_d7 ) )
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{
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extr_lane_8x32( lane_hash, hash32, lane, 256 );
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if ( likely( valid_hash( lane_hash, ptarget ) && !bench ) )
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{
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pdata[19] = n + lane;
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submit_solution( work, lane_hash, mythr );
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}
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}
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*noncev = _mm256_add_epi32( *noncev, eight );
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n += 8;
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} while ( (n < last_nonce) && !work_restart[thr_id].restart );
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pdata[19] = n;
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*hashes_done = n - first_nonce;
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return 0;
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}
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#endif
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#if defined(SHA256D_4WAY)
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int scanhash_sha256d_4way( struct work *work, const uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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__m128i block[16] __attribute__ ((aligned (64)));
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__m128i hash32[8] __attribute__ ((aligned (32)));
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__m128i initstate[8] __attribute__ ((aligned (32)));
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__m128i midstate[8] __attribute__ ((aligned (32)));
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uint32_t lane_hash[8] __attribute__ ((aligned (32)));
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__m128i vdata[20] __attribute__ ((aligned (32)));
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uint32_t *hash32_d7 = (uint32_t*)&( hash32[7] );
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uint32_t *pdata = work->data;
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const uint32_t *ptarget = work->target;
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const uint32_t targ32_d7 = ptarget[7];
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const uint32_t first_nonce = pdata[19];
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const uint32_t last_nonce = max_nonce - 4;
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uint32_t n = first_nonce;
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__m128i *noncev = vdata + 19;
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const int thr_id = mythr->id;
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const bool bench = opt_benchmark;
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const __m128i last_byte = m128_const1_32( 0x80000000 );
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const __m128i four = m128_const1_32( 4 );
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for ( int i = 0; i < 19; i++ )
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vdata[i] = m128_const1_32( pdata[i] );
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*noncev = _mm_set_epi32( n+ 3, n+ 2, n+1, n );
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// initialize state
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initstate[0] = m128_const1_64( 0x6A09E6676A09E667 );
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initstate[1] = m128_const1_64( 0xBB67AE85BB67AE85 );
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initstate[2] = m128_const1_64( 0x3C6EF3723C6EF372 );
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initstate[3] = m128_const1_64( 0xA54FF53AA54FF53A );
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initstate[4] = m128_const1_64( 0x510E527F510E527F );
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initstate[5] = m128_const1_64( 0x9B05688C9B05688C );
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initstate[6] = m128_const1_64( 0x1F83D9AB1F83D9AB );
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initstate[7] = m128_const1_64( 0x5BE0CD195BE0CD19 );
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// hash first 64 bytes of data
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sha256_4way_transform_le( midstate, vdata, initstate );
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do
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{
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// 1. final 16 bytes of data, with padding
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memcpy_128( block, vdata + 16, 4 );
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block[ 4] = last_byte;
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memset_zero_128( block + 5, 10 );
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block[15] = m128_const1_32( 80*8 ); // bit count
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sha256_4way_transform_le( hash32, block, midstate );
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// 2. 32 byte hash from 1.
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memcpy_128( block, hash32, 8 );
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block[ 8] = last_byte;
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memset_zero_128( block + 9, 6 );
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block[15] = m128_const1_32( 32*8 ); // bit count
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sha256_4way_transform_le( hash32, block, initstate );
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// byte swap final hash for testing
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mm128_block_bswap_32( hash32, hash32 );
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for ( int lane = 0; lane < 4; lane++ )
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if ( unlikely( hash32_d7[ lane ] <= targ32_d7 ) )
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{
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extr_lane_4x32( lane_hash, hash32, lane, 256 );
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if ( likely( valid_hash( lane_hash, ptarget ) && !bench ) )
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{
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pdata[19] = n + lane;
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submit_solution( work, lane_hash, mythr );
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}
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}
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*noncev = _mm_add_epi32( *noncev, four );
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n += 4;
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} while ( (n < last_nonce) && !work_restart[thr_id].restart );
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pdata[19] = n;
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*hashes_done = n - first_nonce;
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return 0;
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}
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#endif
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