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#include <assert.h> |
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#include <arm_neon.h> |
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#include <xnnpack/argmaxpool.h> |
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void xnn_f32_argmaxpool_ukernel_9x__neon_c4( |
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size_t output_pixels, |
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size_t pooling_elements, |
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size_t channels, |
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const float** input, |
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size_t input_offset, |
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float* output, |
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uint32_t* index, |
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size_t input_increment, |
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size_t output_increment) XNN_OOB_READS |
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{ |
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assert(output_pixels != 0); |
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assert(pooling_elements != 0); |
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assert(pooling_elements <= 9); |
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assert(channels != 0); |
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do { |
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const float* i0 = input[0]; |
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const float* i1 = input[1]; |
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const float* i2 = input[2]; |
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const float* i3 = input[3]; |
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const float* i4 = input[4]; |
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const float* i5 = input[5]; |
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const float* i6 = input[6]; |
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const float* i7 = input[7]; |
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const float* i8 = input[8]; |
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i0 = (const float*) ((uintptr_t) i0 + input_offset); |
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i1 = (const float*) ((uintptr_t) i1 + input_offset); |
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i2 = (const float*) ((uintptr_t) i2 + input_offset); |
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i3 = (const float*) ((uintptr_t) i3 + input_offset); |
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i4 = (const float*) ((uintptr_t) i4 + input_offset); |
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i5 = (const float*) ((uintptr_t) i5 + input_offset); |
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i6 = (const float*) ((uintptr_t) i6 + input_offset); |
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i7 = (const float*) ((uintptr_t) i7 + input_offset); |
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i8 = (const float*) ((uintptr_t) i8 + input_offset); |
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if (pooling_elements < 2) { |
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i1 = i0; |
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} |
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if (pooling_elements <= 2) { |
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i2 = i0; |
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} |
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if (pooling_elements < 4) { |
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i3 = i0; |
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} |
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if (pooling_elements <= 4) { |
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i4 = i0; |
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} |
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if (pooling_elements < 6) { |
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i5 = i0; |
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} |
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if (pooling_elements <= 6) { |
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i6 = i0; |
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} |
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if (pooling_elements < 8) { |
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i7 = i0; |
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} |
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if (pooling_elements <= 8) { |
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i8 = i0; |
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} |
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size_t c = channels; |
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for (; c >= 4; c -= 4) { |
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const float32x4_t vi0 = vld1q_f32(i0); i0 += 4; |
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const float32x4_t vi1 = vld1q_f32(i1); i1 += 4; |
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const float32x4_t vi2 = vld1q_f32(i2); i2 += 4; |
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const float32x4_t vi3 = vld1q_f32(i3); i3 += 4; |
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const float32x4_t vi4 = vld1q_f32(i4); i4 += 4; |
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const float32x4_t vi5 = vld1q_f32(i5); i5 += 4; |
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const float32x4_t vi6 = vld1q_f32(i6); i6 += 4; |
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const float32x4_t vi7 = vld1q_f32(i7); i7 += 4; |
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const float32x4_t vi8 = vld1q_f32(i8); i8 += 4; |
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float32x4_t vmax = vi0; |
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uint32x4_t vidx = vmovq_n_u32(0); |
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const uint32x4_t vm1 = vcgtq_f32(vi1, vmax); |
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vmax = vbslq_f32(vm1, vi1, vmax); |
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vidx = vbslq_u32(vm1, vmovq_n_u32(1), vidx); |
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const uint32x4_t vm2 = vcgtq_f32(vi2, vmax); |
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vmax = vbslq_f32(vm2, vi2, vmax); |
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vidx = vbslq_u32(vm2, vmovq_n_u32(2), vidx); |
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const uint32x4_t vm3 = vcgtq_f32(vi3, vmax); |
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vmax = vbslq_f32(vm3, vi3, vmax); |
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vidx = vbslq_u32(vm3, vmovq_n_u32(3), vidx); |
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const uint32x4_t vm4 = vcgtq_f32(vi4, vmax); |
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vmax = vbslq_f32(vm4, vi4, vmax); |
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vidx = vbslq_u32(vm4, vmovq_n_u32(4), vidx); |
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const uint32x4_t vm5 = vcgtq_f32(vi5, vmax); |
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vmax = vbslq_f32(vm5, vi5, vmax); |
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vidx = vbslq_u32(vm5, vmovq_n_u32(5), vidx); |
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const uint32x4_t vm6 = vcgtq_f32(vi6, vmax); |
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vmax = vbslq_f32(vm6, vi6, vmax); |
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vidx = vbslq_u32(vm6, vmovq_n_u32(6), vidx); |
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const uint32x4_t vm7 = vcgtq_f32(vi7, vmax); |
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vmax = vbslq_f32(vm7, vi7, vmax); |
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vidx = vbslq_u32(vm7, vmovq_n_u32(7), vidx); |
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const uint32x4_t vm8 = vcgtq_f32(vi8, vmax); |
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vmax = vbslq_f32(vm8, vi8, vmax); |
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vidx = vbslq_u32(vm8, vmovq_n_u32(8), vidx); |
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vst1q_f32(output, vmax); output += 4; |
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vst1q_u32(index, vidx); index += 4; |
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} |
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if (c != 0) { |
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const float32x4_t vi0 = vld1q_f32(i0); |
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const float32x4_t vi1 = vld1q_f32(i1); |
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const float32x4_t vi2 = vld1q_f32(i2); |
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const float32x4_t vi3 = vld1q_f32(i3); |
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const float32x4_t vi4 = vld1q_f32(i4); |
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const float32x4_t vi5 = vld1q_f32(i5); |
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const float32x4_t vi6 = vld1q_f32(i6); |
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const float32x4_t vi7 = vld1q_f32(i7); |
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const float32x4_t vi8 = vld1q_f32(i8); |
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float32x4_t vmax = vi0; |
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uint32x4_t vidx = vmovq_n_u32(0); |
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const uint32x4_t vm1 = vcgtq_f32(vi1, vmax); |
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vmax = vbslq_f32(vm1, vi1, vmax); |
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vidx = vbslq_u32(vm1, vmovq_n_u32(1), vidx); |
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const uint32x4_t vm2 = vcgtq_f32(vi2, vmax); |
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vmax = vbslq_f32(vm2, vi2, vmax); |
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vidx = vbslq_u32(vm2, vmovq_n_u32(2), vidx); |
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const uint32x4_t vm3 = vcgtq_f32(vi3, vmax); |
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vmax = vbslq_f32(vm3, vi3, vmax); |
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vidx = vbslq_u32(vm3, vmovq_n_u32(3), vidx); |
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const uint32x4_t vm4 = vcgtq_f32(vi4, vmax); |
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vmax = vbslq_f32(vm4, vi4, vmax); |
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vidx = vbslq_u32(vm4, vmovq_n_u32(4), vidx); |
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const uint32x4_t vm5 = vcgtq_f32(vi5, vmax); |
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vmax = vbslq_f32(vm5, vi5, vmax); |
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vidx = vbslq_u32(vm5, vmovq_n_u32(5), vidx); |
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const uint32x4_t vm6 = vcgtq_f32(vi6, vmax); |
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vmax = vbslq_f32(vm6, vi6, vmax); |
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vidx = vbslq_u32(vm6, vmovq_n_u32(6), vidx); |
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const uint32x4_t vm7 = vcgtq_f32(vi7, vmax); |
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vmax = vbslq_f32(vm7, vi7, vmax); |
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vidx = vbslq_u32(vm7, vmovq_n_u32(7), vidx); |
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const uint32x4_t vm8 = vcgtq_f32(vi8, vmax); |
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vmax = vbslq_f32(vm8, vi8, vmax); |
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vidx = vbslq_u32(vm8, vmovq_n_u32(8), vidx); |
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float32x2_t vmax_lo = vget_low_f32(vmax); |
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uint32x2_t vidx_lo = vget_low_u32(vidx); |
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if (c & 2) { |
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vst1_f32(output, vmax_lo); output += 2; |
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vst1_u32(index, vidx_lo); index += 2; |
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vmax_lo = vget_high_f32(vmax); |
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vidx_lo = vget_high_u32(vidx); |
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} |
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if (c & 1) { |
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vst1_lane_f32(output, vmax_lo, 0); output += 1; |
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vst1_lane_u32(index, vidx_lo, 0); index += 1; |
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} |
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} |
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input = (const float**) ((uintptr_t) input + input_increment); |
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output = (float*) ((uintptr_t) output + output_increment); |
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} while (--output_pixels != 0); |
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} |
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