| // Copyright 2019 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| $assert CHANNEL_TILE % 4 == 0 |
| $assert CHANNEL_TILE >= 4 |
| $assert PIXEL_TILE == 1 |
| $ABC = "0123456789ABCDEFGHIJKLMN" |
| #include <assert.h> |
| |
| #include <psimd.h> |
| |
| #include <xnnpack/bilinear.h> |
| |
| |
| void xnn_f32_bilinear_ukernel__psimd_c${CHANNEL_TILE}${"" if PIXEL_TILE == 1 else "x%d" % PIXEL_TILE}( |
| size_t output_pixels, |
| size_t channels, |
| const float**restrict input, |
| size_t input_offset, |
| const float*restrict weights, |
| float*restrict output, |
| size_t output_increment) |
| { |
| assert(output_pixels != 0); |
| assert(channels != 0); |
| assert(channels % sizeof(float) == 0); |
| |
| do { |
| const float* i0 = (const float*) ((uintptr_t) input[0] + input_offset); |
| const float* i1 = (const float*) ((uintptr_t) input[1] + input_offset); |
| const float* i2 = (const float*) ((uintptr_t) input[2] + input_offset); |
| const float* i3 = (const float*) ((uintptr_t) input[3] + input_offset); |
| input += 4; |
| |
| const psimd_f32 valphah = psimd_load_splat_f32(weights); |
| const psimd_f32 valphav = psimd_load_splat_f32(weights + 1); |
| weights += 2; |
| |
| size_t c = channels; |
| for (; c >= ${CHANNEL_TILE} * sizeof(float); c -= ${CHANNEL_TILE} * sizeof(float)) { |
| const psimd_f32 vtl${ABC[0:4]} = psimd_load_f32(i0); |
| const psimd_f32 vtr${ABC[0:4]} = psimd_load_f32(i1); |
| const psimd_f32 vbl${ABC[0:4]} = psimd_load_f32(i2); |
| const psimd_f32 vbr${ABC[0:4]} = psimd_load_f32(i3); |
| $for C in range(4, CHANNEL_TILE, 4): |
| const psimd_f32 vtl${ABC[C:C+4]} = psimd_load_f32(i0 + ${C}); |
| const psimd_f32 vtr${ABC[C:C+4]} = psimd_load_f32(i1 + ${C}); |
| const psimd_f32 vbl${ABC[C:C+4]} = psimd_load_f32(i2 + ${C}); |
| const psimd_f32 vbr${ABC[C:C+4]} = psimd_load_f32(i3 + ${C}); |
| i0 += ${CHANNEL_TILE}; |
| i1 += ${CHANNEL_TILE}; |
| i2 += ${CHANNEL_TILE}; |
| i3 += ${CHANNEL_TILE}; |
| |
| $for C in range(0, CHANNEL_TILE, 4): |
| const psimd_f32 vtd${ABC[C:C+4]} = psimd_sub_f32(vtr${ABC[C:C+4]}, vtl${ABC[C:C+4]}); |
| const psimd_f32 vbd${ABC[C:C+4]} = psimd_sub_f32(vbr${ABC[C:C+4]}, vbl${ABC[C:C+4]}); |
| |
| $for C in range(0, CHANNEL_TILE, 4): |
| const psimd_f32 vt${ABC[C:C+4]} = psimd_qfma_f32(vtl${ABC[C:C+4]}, vtd${ABC[C:C+4]}, valphah); |
| const psimd_f32 vb${ABC[C:C+4]} = psimd_qfma_f32(vbl${ABC[C:C+4]}, vbd${ABC[C:C+4]}, valphah); |
| |
| $for C in range(0, CHANNEL_TILE, 4): |
| const psimd_f32 vd${ABC[C:C+4]} = psimd_sub_f32(vb${ABC[C:C+4]}, vt${ABC[C:C+4]}); |
| |
| $for C in range(0, CHANNEL_TILE, 4): |
| const psimd_f32 vo${ABC[C:C+4]} = psimd_qfma_f32(vt${ABC[C:C+4]}, vd${ABC[C:C+4]}, valphav); |
| |
| psimd_store_f32(output, vo${ABC[0:4]}); |
| $for C in range(4, CHANNEL_TILE, 4): |
| psimd_store_f32(output + ${C}, vo${ABC[C:C+4]}); |
| output += ${CHANNEL_TILE}; |
| } |
| $if CHANNEL_TILE > 4: |
| for (; c >= 4 * sizeof(float); c -= 4 * sizeof(float)) { |
| const psimd_f32 vtl0123 = psimd_load_f32(i0); |
| const psimd_f32 vtr0123 = psimd_load_f32(i1); |
| const psimd_f32 vbl0123 = psimd_load_f32(i2); |
| const psimd_f32 vbr0123 = psimd_load_f32(i3); |
| i0 += 4; |
| i1 += 4; |
| i2 += 4; |
| i3 += 4; |
| |
| const psimd_f32 vtd0123 = psimd_sub_f32(vtr0123, vtl0123); |
| const psimd_f32 vbd0123 = psimd_sub_f32(vbr0123, vbl0123); |
| |
| const psimd_f32 vt0123 = psimd_qfma_f32(vtl0123, vtd0123, valphah); |
| const psimd_f32 vb0123 = psimd_qfma_f32(vbl0123, vbd0123, valphah); |
| |
| const psimd_f32 vd0123 = psimd_sub_f32(vb0123, vt0123); |
| |
| const psimd_f32 vo0123 = psimd_qfma_f32(vt0123, vd0123, valphav); |
| |
| psimd_store_f32(output, vo0123); |
| output += 4; |
| } |
| if XNN_UNLIKELY(c != 0) { |
| const psimd_f32 vtl0123 = psimd_load_f32(i0); |
| const psimd_f32 vtr0123 = psimd_load_f32(i1); |
| const psimd_f32 vbl0123 = psimd_load_f32(i2); |
| const psimd_f32 vbr0123 = psimd_load_f32(i3); |
| |
| const psimd_f32 vtd0123 = psimd_sub_f32(vtr0123, vtl0123); |
| const psimd_f32 vbd0123 = psimd_sub_f32(vbr0123, vbl0123); |
| |
| const psimd_f32 vt0123 = psimd_qfma_f32(vtl0123, vtd0123, valphah); |
| const psimd_f32 vb0123 = psimd_qfma_f32(vbl0123, vbd0123, valphah); |
| |
| const psimd_f32 vd0123 = psimd_sub_f32(vb0123, vt0123); |
| |
| psimd_f32 vo0123 = psimd_qfma_f32(vt0123, vd0123, valphav); |
| |
| if (c & (2 * sizeof(float))) { |
| psimd_store2_f32(output, vo0123); |
| vo0123 = psimd_concat_hi_f32(vo0123, vo0123); |
| output += 2; |
| } |
| if (c & (1 * sizeof(float))) { |
| psimd_store1_f32(output, vo0123); |
| output += 1; |
| } |
| } |
| |
| output = (float*) ((uintptr_t) output + output_increment); |
| } while (--output_pixels != 0); |
| } |