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[SYCL][ESIMD] - change in barrier and linear example #142

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Feb 15, 2021
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[SYCL][ESIMD] - change in barrier and linear example #142

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2 changes: 0 additions & 2 deletions SYCL/ESIMD/histogram_256_slm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,6 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
slm_offset *= sizeof(int);
simd<uint, 16> slm_data = 0;
slm_store<uint, 16>(slm_data, slm_offset);
esimd_fence(ESIMD_GLOBAL_COHERENT_FENCE);
esimd_barrier();

// Each thread handles NUM_BLOCKSxBLOCK_WIDTH pixel blocks
Expand All @@ -56,7 +55,6 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
}
start_off += BLOCK_WIDTH;
}
esimd_fence(ESIMD_GLOBAL_COHERENT_FENCE);
esimd_barrier();

// Update global sum by atomically adding each local histogram
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2 changes: 0 additions & 2 deletions SYCL/ESIMD/histogram_256_slm_spec.cpp
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Expand Up @@ -38,7 +38,6 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
slm_offset *= sizeof(int);
simd<uint, 16> slm_data = 0;
slm_store<uint, 16>(slm_data, slm_offset);
esimd_fence(ESIMD_GLOBAL_COHERENT_FENCE);
esimd_barrier();

// Each thread handles NUM_BLOCKSxBLOCK_WIDTH pixel blocks
Expand All @@ -57,7 +56,6 @@ ESIMD_INLINE void histogram_atomic(const uint32_t *input_ptr, uint32_t *output,
}
start_off += BLOCK_WIDTH;
}
esimd_fence(ESIMD_GLOBAL_COHERENT_FENCE);
esimd_barrier();

// Update global sum by atomically adding each local histogram
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20 changes: 9 additions & 11 deletions SYCL/ESIMD/linear/linear.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -104,17 +104,15 @@ int main(int argc, char *argv[]) {
in = media_block_load<unsigned char, 8, 32>(accInput, h_pos * 24,
v_pos * 6);

simd<float, 8 * 32> vin_float = vin;
auto in_float = vin_float.format<float, 8, 32>();
m = in_float.select<6, 1, 24, 1>(1, 3);
m += in_float.select<6, 1, 24, 1>(0, 0);
m += in_float.select<6, 1, 24, 1>(0, 3);
m += in_float.select<6, 1, 24, 1>(0, 6);
m += in_float.select<6, 1, 24, 1>(1, 0);
m += in_float.select<6, 1, 24, 1>(1, 6);
m += in_float.select<6, 1, 24, 1>(2, 0);
m += in_float.select<6, 1, 24, 1>(2, 3);
m += in_float.select<6, 1, 24, 1>(2, 6);
m = in.select<6, 1, 24, 1>(1, 3);
m += in.select<6, 1, 24, 1>(0, 0);
m += in.select<6, 1, 24, 1>(0, 3);
m += in.select<6, 1, 24, 1>(0, 6);
m += in.select<6, 1, 24, 1>(1, 0);
m += in.select<6, 1, 24, 1>(1, 6);
m += in.select<6, 1, 24, 1>(2, 0);
m += in.select<6, 1, 24, 1>(2, 3);
m += in.select<6, 1, 24, 1>(2, 6);
m = m * 0.111f;

vout = vm;
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1 change: 0 additions & 1 deletion SYCL/ESIMD/slm_barrier.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,6 @@ void load_to_slm(uint grpSize, uint localId, uint slmOffset, char *addr,
vOffsets += (grpSize * 256);
}

esimd_fence(ESIMD_GLOBAL_COHERENT_FENCE);
esimd_barrier();
}

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