This commit is contained in:
Jay D Dee
2025-06-20 20:31:41 -04:00
parent dd99580a4c
commit 66191db93c
86 changed files with 2701 additions and 4322 deletions

View File

@@ -17,7 +17,6 @@
#elif defined (__SSE2__) || defined(__ARM_NEON)
#define SHA256DT_4X32 1
#endif
// else ref, should never happen
static const uint32_t sha256dt_iv[8] __attribute__ ((aligned (32))) =
{
@@ -205,8 +204,6 @@ int scanhash_sha256dt_16x32( 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, sha256dt_iv );
@@ -258,8 +255,7 @@ int scanhash_sha256dt_16x32( struct work *work, const uint32_t max_nonce,
for ( int lane = 0; lane < 16; lane++ )
{
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;
@@ -298,8 +294,6 @@ int scanhash_sha256dt_8x32( 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( v128_set64(
0x0c0d0e0f08090a0b, 0x0405060700010203 ) );
for ( int i = 0; i < 19; i++ )
vdata[i] = v256_32( pdata[i] );
@@ -339,7 +333,7 @@ int scanhash_sha256dt_8x32( struct work *work, const uint32_t max_nonce,
{
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;
@@ -406,7 +400,6 @@ int scanhash_sha256dt_4x32( struct work *work, const uint32_t max_nonce,
do
{
sha256_4x32_final_rounds( block, vdata+16, mhash1, mhash2, mexp_pre );
// sha256_4x32_transform_le( block, vdata+16, mhash1 );
sha256_4x32_transform_le( hash32, block, iv );
for ( int lane = 0; lane < 4; lane++ )