// Each thread starts here and performs 16 hashes simultaneously. With four
// threads, there are 64 hashes in flight at a time. Each thread repeats this
// four times. The total number of hashes performed is 256.
int main()
{
__builtin_nyuzi_write_control_reg(30, 0xffffffff); // Start other threads
const int kSourceBlockSize = 128;
const int kHashSize = 32;
const int kNumBuffers = 2;
const int kNumLanes = 16;
unsigned int basePtr = 0x100000 + __builtin_nyuzi_read_control_reg(0) * (kHashSize * kNumLanes * kNumBuffers)
+ (kSourceBlockSize * kNumLanes);
const vecu16_t kStepVector = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
vecu16_t inputPtr = __builtin_nyuzi_makevectori(basePtr) + (kStepVector * __builtin_nyuzi_makevectori(kHashSize));
vecu16_t tmpPtr = inputPtr + __builtin_nyuzi_makevectori(kSourceBlockSize * kNumLanes);
vecu16_t outputPtr = tmpPtr + __builtin_nyuzi_makevectori(kHashSize * kNumLanes);
for (int i = 0; i < 4; i++)
{
// Double sha-2 hash
sha2Hash(inputPtr, kSourceBlockSize / kHashSize, outputPtr);
sha2Hash(tmpPtr, 1, outputPtr);
}
return 0;
}
// Each thread starts here and performs 16 hashes simultaneously. With four threads, there are
// 64 hashes in flight at a time. Each thread repeats this four times. The total number of hashes
// performed is 256.
int main()
{
const int kSourceBlockSize = 128;
const int kHashSize = 32;
const int kNumBuffers = 2;
const int kNumLanes = 16;
unsigned int basePtr = 0x100000 + __builtin_vp_get_current_strand() * (kHashSize * kNumLanes * kNumBuffers)
+ (kSourceBlockSize * kNumLanes);
const vecu16 kStepVector = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
vecu16 inputPtr = __builtin_vp_makevectori(basePtr) + (kStepVector * __builtin_vp_makevectori(kHashSize));
vecu16 tmpPtr = inputPtr + __builtin_vp_makevectori(kSourceBlockSize * kNumLanes);
vecu16 outputPtr = tmpPtr + __builtin_vp_makevectori(kHashSize * kNumLanes);
for (int i = 0; i < 4; i++)
{
// Double sha-2 hash
sha2Hash(inputPtr, kSourceBlockSize / kHashSize, outputPtr);
sha2Hash(tmpPtr, 1, outputPtr);
}
return 0;
}
