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KawPow: tuned work group size for OpenCL

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This commit is contained in:
SChernykh
2020-05-28 10:58:06 +02:00
parent 22b937cc1c
commit e3d727cdb6
11 changed files with 162 additions and 117 deletions
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5
src/backend/opencl/cl/kawpow/kawpow.cl
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@@ -6,7 +6,7 @@ inline void progPowLoop(const uint32_t loop,
volatile uint32_t mix_arg[PROGPOW_REGS],
__global const dag_t *g_dag,
__local const uint32_t c_dag[PROGPOW_CACHE_WORDS],
__local uint64_t share[GROUP_SHARE],
__local uint32_t share[GROUP_SHARE],
const bool hack_false)
{
dag_t data_dag;
@@ -166,7 +166,6 @@ void fill_mix(local uint32_t* seed, uint32_t lane_id, uint32_t* mix)
typedef struct
{
uint32_t uint32s[PROGPOW_LANES];
uint64_t uint64s[PROGPOW_LANES / 2];
} shuffle_t;
typedef struct
@@ -247,7 +246,7 @@ __kernel void progpow_search(__global dag_t const* g_dag, __global uint* job_blo
#pragma unroll 1
for (uint32_t l = 0; l < PROGPOW_CNT_DAG; l++)
progPowLoop(l, mix, g_dag, c_dag, share[0].uint64s, hack_false);
progPowLoop(l, mix, g_dag, c_dag, share[0].uint32s, hack_false);
// Reduce mix data to a per-lane 32-bit digest
uint32_t mix_hash = FNV_OFFSET_BASIS;