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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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75
algo/skein/skein2-4way.c
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@@ -5,19 +5,6 @@
#if defined(SKEIN_8WAY)
static __thread skein512_8way_context skein512_8way_ctx
__attribute__ ((aligned (64)));
void skein2hash_8way( void *output, const void *input )
{
uint64_t hash[16*8] __attribute__ ((aligned (128)));
skein512_8way_context ctx;
memcpy( &ctx, &skein512_8way_ctx, sizeof( ctx ) );
skein512_8way_final16( &ctx, hash, input + (64*8) );
skein512_8way_full( &ctx, output, hash, 64 );
}
int scanhash_skein2_8way( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
@@ -68,19 +55,6 @@ int scanhash_skein2_8way( struct work *work, uint32_t max_nonce,
#elif defined(SKEIN_4WAY)
static __thread skein512_4way_context skein512_4way_ctx
__attribute__ ((aligned (64)));
void skein2hash_4way( void *output, const void *input )
{
skein512_4way_context ctx;
memcpy( &ctx, &skein512_4way_ctx, sizeof( ctx ) );
uint64_t hash[16*4] __attribute__ ((aligned (64)));
skein512_4way_final16( &ctx, hash, input + (64*4) );
skein512_4way_full( &ctx, output, hash, 64 );
}
int scanhash_skein2_4way( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
@@ -128,4 +102,53 @@ int scanhash_skein2_4way( struct work *work, uint32_t max_nonce,
return 0;
}
#elif defined(SKEIN_2WAY)
int scanhash_skein2_2x64( struct work *work, uint32_t max_nonce,
uint64_t *hashes_done, struct thr_info *mythr )
{
uint64_t hash[8*2] __attribute__ ((aligned (64)));
uint32_t vdata[20*2] __attribute__ ((aligned (64)));
skein512_2x64_context ctx;
uint32_t lane_hash[8] __attribute__ ((aligned (32)));
uint64_t *hash_q3 = &(hash[3*2]);
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint64_t targ_q3 = ((uint64_t*)ptarget)[3];
const uint32_t first_nonce = pdata[19];
const uint32_t last_nonce = max_nonce - 4;
uint32_t n = first_nonce;
v128u64_t *noncev = (v128u64_t*)vdata + 9;
const int thr_id = mythr->id;
const bool bench = opt_benchmark;
const v128u64_t two = v128_64( 0x0000000200000000 );
v128_bswap32_intrlv80_2x64( vdata, pdata );
skein512_2x64_prehash64( &ctx, vdata );
*noncev = v128_intrlv_blend_32( v128_set32( n+1, 0, n, 0 ), *noncev );
do
{
skein512_2x64_final16( &ctx, hash, vdata + (16*2) );
skein512_2x64_full( &ctx, hash, hash, 64 );
for ( int lane = 0; lane < 2; lane++ )
if ( hash_q3[ lane ] <= targ_q3 )
{
extr_lane_2x64( lane_hash, hash, lane, 256 );
if ( valid_hash( lane_hash, ptarget ) && !bench )
{
pdata[19] = bswap_32( n + lane );
submit_solution( work, lane_hash, mythr );
}
}
*noncev = v128_add32( *noncev, two );
n += 2;
} while ( (n < last_nonce) && !work_restart[thr_id].restart );
pdata[19] = n;
*hashes_done = n - first_nonce;
return 0;
}
#endif