// 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 $ABC = "0123456789ABCDEFGHIJKLMN" #include #include #include void xnn_f32_bilinear_ukernel__psimd_c${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); }