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v25.4

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Jay D Dee
2025-06-20 20:31:41 -04:00
parent dd99580a4c
commit 66191db93c
86 changed files with 2701 additions and 4322 deletions
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31
algo/sha/sha256t-4way.c
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@@ -35,8 +35,6 @@ int scanhash_sha256t_16way( struct work *work, const uint32_t max_nonce,
const int thr_id = mythr->id;
const __m512i sixteen = v512_32( 16 );
const bool bench = opt_benchmark;
const __m256i bswap_shuf = mm256_bcast_m128( v128_set64(
0x0c0d0e0f08090a0b, 0x0405060700010203 ) );
// prehash first block directly from pdata
sha256_transform_le( phash, pdata, sha256_iv );
@@ -62,7 +60,7 @@ int scanhash_sha256t_16way( struct work *work, const uint32_t max_nonce,
buf[15] = v512_32( 80*8 ); // bit count
// partially pre-expand & prehash second message block, avoiding the nonces
sha256_16way_prehash_3rounds( mstate2, mexp_pre, buf, mstate1 );
sha256_16x32_prehash_3rounds( mstate2, mexp_pre, buf, mstate1 );
// vectorize IV for 2nd & 3rd sha256
istate[0] = v512_32( sha256_iv[0] );
@@ -81,18 +79,17 @@ int scanhash_sha256t_16way( struct work *work, const uint32_t max_nonce,
do
{
sha256_16way_final_rounds( block, buf, mstate1, mstate2, mexp_pre );
sha256_16x32_final_rounds( block, buf, mstate1, mstate2, mexp_pre );
sha256_16way_transform_le( block, block, istate );
sha256_16x32_transform_le( block, block, istate );
if ( sha256_16way_transform_le_short( hash32, block, istate, ptarget ) )
if ( sha256_16x32_transform_le_short( hash32, block, istate, ptarget ) )
{
for ( int lane = 0; lane < 16; lane++ )
if ( bswap_32( hash32_d7[ lane ] ) <= targ32_d7 )
{
extr_lane_16x32( phash, hash32, lane, 256 );
casti_m256i( phash, 0 ) =
_mm256_shuffle_epi8( casti_m256i( phash, 0 ), bswap_shuf );
casti_m256i( phash, 0 ) = mm256_bswap_32( casti_m256i( phash, 0 ) );
if ( likely( valid_hash( phash, ptarget ) && !bench ) )
{
pdata[19] = n + lane;
@@ -301,8 +298,6 @@ int scanhash_sha256t_8way( struct work *work, const uint32_t max_nonce,
const bool bench = opt_benchmark;
const __m256i last_byte = v256_32( 0x80000000 );
const __m256i eight = v256_32( 8 );
const __m256i bswap_shuf = mm256_bcast_m128( _mm_set_epi64x(
0x0c0d0e0f08090a0b, 0x0405060700010203 ) );
for ( int i = 0; i < 19; i++ )
vdata[i] = v256_32( pdata[i] );
@@ -327,29 +322,29 @@ int scanhash_sha256t_8way( struct work *work, const uint32_t max_nonce,
istate[6] = v256_32( sha256_iv[6] );
istate[7] = v256_32( sha256_iv[7] );
sha256_8way_transform_le( mstate1, vdata, istate );
sha256_8x32_transform_le( mstate1, vdata, istate );
// Do 3 rounds on the first 12 bytes of the next block
sha256_8way_prehash_3rounds( mstate2, mexp_pre, vdata + 16, mstate1 );
sha256_8x32_prehash_3rounds( mstate2, mexp_pre, vdata + 16, mstate1 );
do
{
// 1. final 16 bytes of data, with padding
sha256_8way_final_rounds( block, vdata+16, mstate1, mstate2,
sha256_8x32_final_rounds( block, vdata+16, mstate1, mstate2,
mexp_pre );
// 2. 32 byte hash from 1.
sha256_8way_transform_le( block, block, istate );
sha256_8x32_transform_le( block, block, istate );
// 3. 32 byte hash from 2.
if ( unlikely( sha256_8way_transform_le_short(
if ( unlikely( sha256_8x32_transform_le_short(
hash32, block, istate, ptarget ) ) )
{
for ( int lane = 0; lane < 8; lane++ )
{
extr_lane_8x32( lane_hash, hash32, lane, 256 );
casti_m256i( lane_hash, 0 ) =
_mm256_shuffle_epi8( casti_m256i( lane_hash, 0 ), bswap_shuf );
mm256_bswap_32( casti_m256i( lane_hash, 0 ) );
if ( likely( valid_hash( lane_hash, ptarget ) && !bench ) )
{
pdata[19] = n + lane;
@@ -419,8 +414,8 @@ int scanhash_sha256t_4way( struct work *work, const uint32_t max_nonce,
do
{
sha256_4x32_final_rounds( block, vdata+16, mhash1, mhash2, mexp_pre );
sha256_4way_transform_le( block, block, iv );
sha256_4way_transform_le( hash32, block, iv );
sha256_4x32_transform_le( block, block, iv );
sha256_4x32_transform_le( hash32, block, iv );
for ( int lane = 0; lane < 4; lane++ )
{