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v23.10

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Jay D Dee
2023-11-15 11:05:41 -05:00
parent 0a78013cbe
commit f3fde95f27
32 changed files with 1074 additions and 1027 deletions
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65
algo/skein/skein-4way.c
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@@ -159,4 +159,69 @@ int scanhash_skein_4way( struct work *work, uint32_t max_nonce,
return 0;
}
#elif defined(SKEIN_2WAY)
static __thread skein512_2x64_context skein512_2x64_ctx
__attribute__ ((aligned (64)));
void skeinhash_2x64( void *state, const void *input )
{
uint64_t vhash64[8*2] __attribute__ ((aligned (32)));
uint32_t hash0[16] __attribute__ ((aligned (32)));
uint32_t hash1[16] __attribute__ ((aligned (32)));
skein512_2x64_context ctx_skein;
memcpy( &ctx_skein, &skein512_2x64_ctx, sizeof( ctx_skein ) );
skein512_2x64_final16( &ctx_skein, vhash64, input + (64*2) );
dintrlv_2x64( hash0, hash1, vhash64, 512 );
sha256_full( hash0, hash0, 64 );
sha256_full( hash1, hash1, 64 );
intrlv_2x32( state, hash0, hash1, 256 );
}
int scanhash_skein_2x64( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint32_t vdata[20*2] __attribute__ ((aligned (32)));
uint32_t hash[8*2] __attribute__ ((aligned (32)));
uint32_t lane_hash[8] __attribute__ ((aligned (32)));
uint32_t *hash_d7 = &(hash[7<<1]);
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t targ_d7 = ptarget[7];
const uint32_t first_nonce = pdata[19];
const uint32_t last_nonce = max_nonce - 2;
uint32_t n = first_nonce;
v128u32_t *noncev = (v128u32_t*)vdata + 9;
const int thr_id = mythr->id;
const bool bench = opt_benchmark;
v128_bswap32_intrlv80_2x64( vdata, pdata );
skein512_2x64_prehash64( &skein512_2x64_ctx, vdata );
*noncev = v128_intrlv_blend_32( v128_set32( n+1, 0, n, 0 ), *noncev );
do
{
skeinhash_2x64( hash, vdata );
for ( int lane = 0; lane < 2; lane++ )
if ( unlikely( ( hash_d7[ lane ] <= targ_d7 ) && !bench ) )
{
extr_lane_2x32( lane_hash, hash, lane, 256 );
if ( valid_hash( lane_hash, ptarget ) )
{
pdata[19] = bswap_32( n + lane );
submit_solution( work, lane_hash, mythr );
}
}
*noncev = v128_add32( *noncev, v128_64( 0x0000000200000000 ) );
n += 2;
} while ( likely( (n < last_nonce) && !work_restart[thr_id].restart ) );
pdata[19] = n;
*hashes_done = n - first_nonce;
return 0;
}
#endif