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Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp')
| -rw-r--r-- | src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp new file mode 100644 index 0000000000..47e4fa2608 --- /dev/null +++ b/src/core/NEON/kernels/arm_gemm/transforms/a64_interleave_8way_32bit.hpp @@ -0,0 +1,175 @@ +/* + * Copyright (c) 2017-2018 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#pragma once + +#ifdef __aarch64__ + +#include <arm_neon.h> + +#include "../asmlib.hpp" + +template <> +template <typename T> +inline void TransformImpl<8, 1, false, 4, 4>::Transform(T *out, const T *in, int ldin, int y0, int ymax, int k0, int kmax) +{ + uint32_t *outptr = (uint32_t *)out; + const uint32_t *inptr = (uint32_t *)in; + + uint32_t zerobuff[8]; + + for(int y = y0; y < ymax; y += 8) + { + const uint32_t *inptr0 = inptr + y * ldin + k0; + const uint32_t *inptr1 = inptr0 + ldin; + const uint32_t *inptr2 = inptr1 + ldin; + const uint32_t *inptr3 = inptr2 + ldin; + const uint32_t *inptr4 = inptr3 + ldin; + const uint32_t *inptr5 = inptr4 + ldin; + const uint32_t *inptr6 = inptr5 + ldin; + const uint32_t *inptr7 = inptr6 + ldin; + + prefetch_2x(inptr0); + prefetch_2x(inptr1); + prefetch_2x(inptr2); + prefetch_2x(inptr3); + prefetch_2x(inptr4); + prefetch_2x(inptr5); + prefetch_2x(inptr6); + prefetch_2x(inptr7); + + int x = (kmax - k0); + for(; x > 7; x -= 8) + { + /* Cope with ragged cases by copying from a buffer of zeroes instead */ + if((y + 7) >= ymax) + { + switch((y + 7) - ymax) + { + /* Everything falls through in here */ + case 6: + inptr1 = zerobuff; + case 5: + inptr2 = zerobuff; + case 4: + inptr3 = zerobuff; + case 3: + inptr4 = zerobuff; + case 2: + inptr5 = zerobuff; + case 1: + inptr6 = zerobuff; + case 0: + inptr7 = zerobuff; + break; + + default: + UNREACHABLE("Impossible."); + } + } + + __asm __volatile( + // Load up 8 elements (2 vectors) from each of 8 sources. + "LDP q0, q1, [%[inptr0]], #32\n" // q0=A0A1A2A3 + "LDP q2, q3, [%[inptr1]], #32\n" // q2=B0B1B2B3 + "LDP q4, q5, [%[inptr2]], #32\n" // q4=C0C1C2C3 + "ZIP1 v16.4s, v0.4s, v4.4s\n" // q16=A0C0A1C1 + ASM_PREFETCH("[%[inptr0], #128]") + "LDP q6, q7, [%[inptr3]], #32\n" // q6=D0D1D2D3 + "ZIP1 v17.4s, v2.4s, v6.4s\n" // q17=B0D0B1D1 + "LDP q8, q9, [%[inptr4]], #32\n" + "LDP q10, q11, [%[inptr5]], #32\n" + "LDP q12, q13, [%[inptr6]], #32\n" + "ZIP1 v18.4s, v8.4s, v12.4s\n" ASM_PREFETCH("[%[inptr1], #128]") + "LDP q14, q15, [%[inptr7]], #32\n" + "ZIP1 v19.4s, v10.4s, v14.4s\n" + + "ZIP1 v20.4s, v16.4s, v17.4s\n" // q20=A0B0C0D0 + ASM_PREFETCH("[%[inptr2], #128]") + "ZIP1 v21.4s, v18.4s, v19.4s\n" + "ZIP2 v22.4s, v16.4s, v17.4s\n" + "ZIP2 v23.4s, v18.4s, v19.4s\n" + + "ZIP2 v16.4s, v0.4s, v4.4s\n" ASM_PREFETCH("[%[inptr3], #128]") + "ZIP2 v17.4s, v2.4s, v6.4s\n" + "STP q20, q21, [%[outptr]], #32\n" // Write back the first element of each source + + "ZIP2 v18.4s, v8.4s, v12.4s\n" + "ZIP2 v19.4s, v10.4s, v14.4s\n" + "STP q22, q23, [%[outptr]], #32\n" // Write back the second element of each source + + "ZIP1 v20.4s, v16.4s, v17.4s\n" ASM_PREFETCH("[%[inptr4], #128]") + "ZIP1 v21.4s, v18.4s, v19.4s\n" + "ZIP2 v22.4s, v16.4s, v17.4s\n" + "ZIP2 v23.4s, v18.4s, v19.4s\n" + + "ZIP1 v16.4s, v1.4s, v5.4s\n" ASM_PREFETCH("[%[inptr5], #128]") + "ZIP1 v17.4s, v3.4s, v7.4s\n" + "STP q20, q21, [%[outptr]], #32\n" // Third element + + "ZIP1 v18.4s, v9.4s, v13.4s\n" + "ZIP1 v19.4s, v11.4s, v15.4s\n" + "STP q22, q23, [%[outptr]], #32\n" // Fourth element + + "ZIP1 v20.4s, v16.4s, v17.4s\n" + "ZIP1 v21.4s, v18.4s, v19.4s\n" + "ZIP2 v22.4s, v16.4s, v17.4s\n" ASM_PREFETCH("[%[inptr6], #128]") + "ZIP2 v23.4s, v18.4s, v19.4s\n" + + "ZIP2 v16.4s, v1.4s, v5.4s\n" + "ZIP2 v17.4s, v3.4s, v7.4s\n" + "STP q20, q21, [%[outptr]], #32\n" // Fifth element + + "ZIP2 v18.4s, v9.4s, v13.4s\n" ASM_PREFETCH("[%[inptr7], #128]") + "ZIP2 v19.4s, v11.4s, v15.4s\n" + "STP q22, q23, [%[outptr]], #32\n" // Sixth element + + "ZIP1 v20.4s, v16.4s, v17.4s\n" + "ZIP1 v21.4s, v18.4s, v19.4s\n" + "STP q20, q21, [%[outptr]], #32\n" // Seventh element + + "ZIP2 v22.4s, v16.4s, v17.4s\n" + "ZIP2 v23.4s, v18.4s, v19.4s\n" + "STP q22, q23, [%[outptr]], #32\n" // Eighth element + : [inptr0] "+r"(inptr0), [inptr1] "+r"(inptr1), [inptr2] "+r"(inptr2), [inptr3] "+r"(inptr3), + [inptr4] "+r"(inptr4), [inptr5] "+r"(inptr5), [inptr6] "+r"(inptr6), [inptr7] "+r"(inptr7), [outptr] "+r"(outptr) + : + : "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12", + "v13", "v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23"); + } + + for(; x > 0; x--) + { + *outptr++ = *inptr0++; + *outptr++ = *inptr1++; + *outptr++ = *inptr2++; + *outptr++ = *inptr3++; + *outptr++ = *inptr4++; + *outptr++ = *inptr5++; + *outptr++ = *inptr6++; + *outptr++ = *inptr7++; + } + } +} + +#endif // __aarch64__ |