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author | Gian Marco <gianmarco.iodice@arm.com> | 2017-11-08 12:24:09 +0000 |
---|---|---|
committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | e75a02b60736f37c34388c23c0ccee230f65da59 (patch) | |
tree | f8e9423e40589e99bd8be6c1e740b17792e2058e /src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp | |
parent | 6c0348f4cbf6e30a715780f50aebf6dd0a2a8fc3 (diff) | |
download | ComputeLibrary-e75a02b60736f37c34388c23c0ccee230f65da59.tar.gz |
COMPMID-675 - Reworked NEGEMMLowp interface/function
The new interface makes NEGEMMLowp able to work with ASYMM8 data types.
Implemented 2 new functions:
- NEGEMMLowpMatrixMultiplyCore
- NEGEMMLowpOutputStage
These functions should make the integration in android NN doable
For more information about GEMMLowp:
https://github.com/google/gemmlowp/blob/master/doc/low-precision.md
Change-Id: Ie2c775f45234f68ca53dba644b3a912b997fd890
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/95504
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Diffstat (limited to 'src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp')
-rw-r--r-- | src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp index 4b9c9f3e64..1352f34e3c 100644 --- a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp +++ b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp @@ -52,7 +52,7 @@ NEGEMMLowpMatrixMultiplyKernel::NEGEMMLowpMatrixMultiplyKernel() void NEGEMMLowpMatrixMultiplyKernel::configure(const ITensor *input0, const ITensor *input1, ITensor *output) { - ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::S8); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::QASYMM8); ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1); ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S32); @@ -127,115 +127,115 @@ void NEGEMMLowpMatrixMultiplyKernel::run(const Window &window, const ThreadInfo // All the values needed for computing a single 4x4 block will be read from consecutive memory positions execute_window_loop(window, [&](const Coordinates & id) { - auto *mtx_a0 = reinterpret_cast<const int8_t *>(ina.ptr()); - auto *mtx_b0 = reinterpret_cast<const int8_t *>(inb.ptr()); + const uint8_t *mtx_a0 = ina.ptr(); + const uint8_t *mtx_b0 = inb.ptr(); // Note: Since the input are all positives, we can use uint32_t // Accumulators for the block 0 - int32x4x4_t c0 = + uint32x4x4_t c0 = { { - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0) + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0) } }; // Accumulators for the block 1 - int32x4x4_t c1 = + uint32x4x4_t c1 = { { - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0) + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0) } }; // Accumulators for the block 2 - int32x4x4_t c2 = + uint32x4x4_t c2 = { { - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0) + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0) } }; // Accumulators for the block 3 - int32x4x4_t c3 = + uint32x4x4_t c3 = { { - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0), - vdupq_n_s32(0) + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0), + vdupq_n_u32(0) } }; for(int k = 0; k < width_b; k += 16, mtx_a0 += 4, mtx_b0 += 16) { - const int8x8_t a00_s8 = vld1_s8(mtx_a0); - const int8x16_t b00_s8 = vld1q_s8(mtx_b0); + const uint8x8_t a00_u8 = vld1_u8(mtx_a0); + const uint8x16_t b00_u8 = vld1q_u8(mtx_b0); // Convert a00_s8 to uint16_t and get the lower part - const int16x4_t a00_s16 = vget_low_s16(vmovl_s8(a00_s8)); + const uint16x4_t a00_u16 = vget_low_u16(vmovl_u8(a00_u8)); - // Convert b00_s8 to int16_t - const int16x4x4_t b00_s16 = + // Convert b00_s8 to uint16_t + const uint16x4x4_t b00_u16 = { { - vget_low_s16(vmovl_s8(vget_low_s8(b00_s8))), - vget_high_s16(vmovl_s8(vget_low_s8(b00_s8))), - vget_low_s16(vmovl_s8(vget_high_s8(b00_s8))), - vget_high_s16(vmovl_s8(vget_high_s8(b00_s8))) + vget_low_u16(vmovl_u8(vget_low_u8(b00_u8))), + vget_high_u16(vmovl_u8(vget_low_u8(b00_u8))), + vget_low_u16(vmovl_u8(vget_high_u8(b00_u8))), + vget_high_u16(vmovl_u8(vget_high_u8(b00_u8))) } }; // 4x4 block 0 - c0.val[0] = vmlal_lane_s16(c0.val[0], b00_s16.val[0], a00_s16, 0); - c0.val[1] = vmlal_lane_s16(c0.val[1], b00_s16.val[1], a00_s16, 0); - c0.val[2] = vmlal_lane_s16(c0.val[2], b00_s16.val[2], a00_s16, 0); - c0.val[3] = vmlal_lane_s16(c0.val[3], b00_s16.val[3], a00_s16, 0); + c0.val[0] = vmlal_lane_u16(c0.val[0], b00_u16.val[0], a00_u16, 0); + c0.val[1] = vmlal_lane_u16(c0.val[1], b00_u16.val[1], a00_u16, 0); + c0.val[2] = vmlal_lane_u16(c0.val[2], b00_u16.val[2], a00_u16, 0); + c0.val[3] = vmlal_lane_u16(c0.val[3], b00_u16.val[3], a00_u16, 0); // 4x4 block 1 - c1.val[0] = vmlal_lane_s16(c1.val[0], b00_s16.val[0], a00_s16, 1); - c1.val[1] = vmlal_lane_s16(c1.val[1], b00_s16.val[1], a00_s16, 1); - c1.val[2] = vmlal_lane_s16(c1.val[2], b00_s16.val[2], a00_s16, 1); - c1.val[3] = vmlal_lane_s16(c1.val[3], b00_s16.val[3], a00_s16, 1); + c1.val[0] = vmlal_lane_u16(c1.val[0], b00_u16.val[0], a00_u16, 1); + c1.val[1] = vmlal_lane_u16(c1.val[1], b00_u16.val[1], a00_u16, 1); + c1.val[2] = vmlal_lane_u16(c1.val[2], b00_u16.val[2], a00_u16, 1); + c1.val[3] = vmlal_lane_u16(c1.val[3], b00_u16.val[3], a00_u16, 1); // 4x4 block 2 - c2.val[0] = vmlal_lane_s16(c2.val[0], b00_s16.val[0], a00_s16, 2); - c2.val[1] = vmlal_lane_s16(c2.val[1], b00_s16.val[1], a00_s16, 2); - c2.val[2] = vmlal_lane_s16(c2.val[2], b00_s16.val[2], a00_s16, 2); - c2.val[3] = vmlal_lane_s16(c2.val[3], b00_s16.val[3], a00_s16, 2); + c2.val[0] = vmlal_lane_u16(c2.val[0], b00_u16.val[0], a00_u16, 2); + c2.val[1] = vmlal_lane_u16(c2.val[1], b00_u16.val[1], a00_u16, 2); + c2.val[2] = vmlal_lane_u16(c2.val[2], b00_u16.val[2], a00_u16, 2); + c2.val[3] = vmlal_lane_u16(c2.val[3], b00_u16.val[3], a00_u16, 2); // 4x4 block 3 - c3.val[0] = vmlal_lane_s16(c3.val[0], b00_s16.val[0], a00_s16, 3); - c3.val[1] = vmlal_lane_s16(c3.val[1], b00_s16.val[1], a00_s16, 3); - c3.val[2] = vmlal_lane_s16(c3.val[2], b00_s16.val[2], a00_s16, 3); - c3.val[3] = vmlal_lane_s16(c3.val[3], b00_s16.val[3], a00_s16, 3); + c3.val[0] = vmlal_lane_u16(c3.val[0], b00_u16.val[0], a00_u16, 3); + c3.val[1] = vmlal_lane_u16(c3.val[1], b00_u16.val[1], a00_u16, 3); + c3.val[2] = vmlal_lane_u16(c3.val[2], b00_u16.val[2], a00_u16, 3); + c3.val[3] = vmlal_lane_u16(c3.val[3], b00_u16.val[3], a00_u16, 3); } auto mtx_out = reinterpret_cast<int32_t *>(out.ptr()); - vst1q_s32(mtx_out + 0 * out_stride + 0, c0.val[0]); - vst1q_s32(mtx_out + 0 * out_stride + 4, c0.val[1]); - vst1q_s32(mtx_out + 0 * out_stride + 8, c0.val[2]); - vst1q_s32(mtx_out + 0 * out_stride + 12, c0.val[3]); - vst1q_s32(mtx_out + 1 * out_stride + 0, c1.val[0]); - vst1q_s32(mtx_out + 1 * out_stride + 4, c1.val[1]); - vst1q_s32(mtx_out + 1 * out_stride + 8, c1.val[2]); - vst1q_s32(mtx_out + 1 * out_stride + 12, c1.val[3]); - vst1q_s32(mtx_out + 2 * out_stride + 0, c2.val[0]); - vst1q_s32(mtx_out + 2 * out_stride + 4, c2.val[1]); - vst1q_s32(mtx_out + 2 * out_stride + 8, c2.val[2]); - vst1q_s32(mtx_out + 2 * out_stride + 12, c2.val[3]); - vst1q_s32(mtx_out + 3 * out_stride + 0, c3.val[0]); - vst1q_s32(mtx_out + 3 * out_stride + 4, c3.val[1]); - vst1q_s32(mtx_out + 3 * out_stride + 8, c3.val[2]); - vst1q_s32(mtx_out + 3 * out_stride + 12, c3.val[3]); + vst1q_s32(mtx_out + 0 * out_stride + 0, vreinterpretq_s32_u32(c0.val[0])); + vst1q_s32(mtx_out + 0 * out_stride + 4, vreinterpretq_s32_u32(c0.val[1])); + vst1q_s32(mtx_out + 0 * out_stride + 8, vreinterpretq_s32_u32(c0.val[2])); + vst1q_s32(mtx_out + 0 * out_stride + 12, vreinterpretq_s32_u32(c0.val[3])); + vst1q_s32(mtx_out + 1 * out_stride + 0, vreinterpretq_s32_u32(c1.val[0])); + vst1q_s32(mtx_out + 1 * out_stride + 4, vreinterpretq_s32_u32(c1.val[1])); + vst1q_s32(mtx_out + 1 * out_stride + 8, vreinterpretq_s32_u32(c1.val[2])); + vst1q_s32(mtx_out + 1 * out_stride + 12, vreinterpretq_s32_u32(c1.val[3])); + vst1q_s32(mtx_out + 2 * out_stride + 0, vreinterpretq_s32_u32(c2.val[0])); + vst1q_s32(mtx_out + 2 * out_stride + 4, vreinterpretq_s32_u32(c2.val[1])); + vst1q_s32(mtx_out + 2 * out_stride + 8, vreinterpretq_s32_u32(c2.val[2])); + vst1q_s32(mtx_out + 2 * out_stride + 12, vreinterpretq_s32_u32(c2.val[3])); + vst1q_s32(mtx_out + 3 * out_stride + 0, vreinterpretq_s32_u32(c3.val[0])); + vst1q_s32(mtx_out + 3 * out_stride + 4, vreinterpretq_s32_u32(c3.val[1])); + vst1q_s32(mtx_out + 3 * out_stride + 8, vreinterpretq_s32_u32(c3.val[2])); + vst1q_s32(mtx_out + 3 * out_stride + 12, vreinterpretq_s32_u32(c3.val[3])); }, ina, inb, out); } |