wehub-resource-sync
170 lines
3.8 KiB
ArmAsm
170 lines
3.8 KiB
ArmAsm
//
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// MNNLocalMinMaxFP16_Pack4.S
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//
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// Created by MNN on 2023/10/31.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifdef __aarch64__
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#include "MNNAsmGlobal.h"
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.text
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.align 5
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.macro Max4 d0, d1, d2, d3, z0, z1, z2, z3
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fmax \d0\().4h, \d0\().4h, \z0\().4h
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fmax \d1\().4h, \d1\().4h, \z1\().4h
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fmax \d2\().4h, \d2\().4h, \z2\().4h
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fmax \d3\().4h, \d3\().4h, \z3\().4h
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.endm
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.macro Min4 d0, d1, d2, d3, z0, z1, z2, z3
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fmin \d0\().4h, \d0\().4h, \z0\().4h
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fmin \d1\().4h, \d1\().4h, \z1\().4h
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fmin \d2\().4h, \d2\().4h, \z2\().4h
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fmin \d3\().4h, \d3\().4h, \z3\().4h
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.endm
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.macro ReduceMax s0, s1, s2, s3, z0
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fmaxp \s0\().4h, \s0\().4h, \s1\().4h // 0 0 1 1
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fmaxp \s2\().4h, \s2\().4h, \s3\().4h // 2 2 3 3
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fmaxp \z0\().4h, \s0\().4h, \s2\().4h // 0 1 2 3
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.endm
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.macro ReduceMin s0, s1, s2, s3, z0
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fminp \s0\().4h, \s0\().4h, \s1\().4h // 0 0 1 1
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fminp \s2\().4h, \s2\().4h, \s3\().4h // 2 2 3 3
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fminp \z0\().4h, \s0\().4h, \s2\().4h // 0 1 2 3
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.endm
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.macro L4Copy s0, s1, s2, s3, z0, z1, z2, z3
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mov \s0\().8b, \z0\().8b
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mov \s1\().8b, \z1\().8b
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mov \s2\().8b, \z2\().8b
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mov \s3\().8b, \z3\().8b
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.endm
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//void MNNLocalMinMaxFP16_Pack4(float* dstMin, float* dstMax, const float* source, size_t blockNum, size_t blockLU, size_t EP, size_t LP, size_t loadDstBuffer)
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asm_function MNNLocalMinMaxFP16_Pack4
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// x0: dstMin, x1:dstMax, x2:source, x3:blockNum, x4: blockLU, x5: EP, x6: LP=4, x7: loadDstBuffer
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// input shape: [blocknum, blockLU, EP, LP]
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stp d14, d15, [sp, #(-16 * 4)]!
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stp d12, d13, [sp, #(16 * 1)]
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stp d10, d11, [sp, #(16 * 2)]
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stp d8, d9, [sp, #(16 * 3)]
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lsl x6, x5, #3 // src_step = batch * 4 * sizeof(float16_t) = batch << 3
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mul x13, x5, x4 // blockLU * EP * LP * sizeof(float16_t)
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lsl x13, x13, #3
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mov x9, x5
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mov x10, x4
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Loop_BlockNum:
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sub x3, x3, #1 // blocknum--
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mov x5, x9 // EP
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mov x12, x2 // block's source
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TILE_8:
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cmp x5, #8
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blt TILE_1
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mov x4, x10 // blockLU
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mov x11, x2 // src
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sub x8, x6, #32 // src_step
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ld1 {v0.4h, v1.4h, v2.4h, v3.4h}, [x11], #32
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ld1 {v4.4h, v5.4h, v6.4h, v7.4h}, [x11], x8
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L4Copy v8, v9, v10, v11, v0, v1, v2, v3
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L4Copy v12, v13, v14, v15, v4, v5, v6, v7
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subs x4, x4, #1
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beq Tile8End
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LoopSz_8:
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ld1 {v16.4h, v17.4h, v18.4h, v19.4h}, [x11], #32
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ld1 {v20.4h, v21.4h, v22.4h, v23.4h}, [x11], x8
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Max4 v0, v1, v2, v3, v16, v17, v18, v19
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Max4 v4, v5, v6, v7, v20, v21, v22, v23
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Min4 v8, v9, v10, v11, v16, v17, v18, v19
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Min4 v12, v13, v14, v15, v20, v21, v22, v23
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subs x4, x4, #1
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bne LoopSz_8
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Tile8End:
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ReduceMax v0, v1, v2, v3, v16
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ReduceMax v4, v5, v6, v7, v17
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ReduceMin v8, v9, v10, v11, v18
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ReduceMin v12, v13, v14, v15, v19
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cbz x7, TILE_8_Store
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ld1 {v4.4h, v5.4h}, [x0] // dstMin
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ld1 {v6.4h, v7.4h}, [x1] // dstMax
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fmax v16.4h, v16.4h, v6.4h
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fmax v17.4h, v17.4h, v7.4h
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fmin v18.4h, v18.4h, v4.4h
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fmin v19.4h, v19.4h, v5.4h
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TILE_8_Store:
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st1 {v16.4h, v17.4h}, [x1], #16
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st1 {v18.4h, v19.4h}, [x0], #16
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sub x5, x5, #8
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add x2, x2, #64 // src += 8 * 4 * sizeof(float16_t)
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b TILE_8
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TILE_1:
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cbz x5, Loop_Block_End
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mov x4, x10 // src_depth_quad
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mov x11, x2 // src
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ld1 {v8.4h}, [x11], x6
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mov v9.8b, v8.8b
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subs x4, x4, #1
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beq Tile1End
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LoopSz_1:
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ld1 {v16.4h}, [x11], x6
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fmax v8.4h, v8.4h, v16.4h
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fmin v9.4h, v9.4h, v16.4h
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subs x4, x4, #1
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bne LoopSz_1
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Tile1End:
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// reduce max/min
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fmaxp v8.4h, v8.4h, v8.4h
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fminp v9.4h, v9.4h, v9.4h
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fmaxp v8.4h, v8.4h, v8.4h
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fminp v9.4h, v9.4h, v9.4h
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cbz x7, TILE_1_Store
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ld1 {v10.h}[0], [x1]
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ld1 {v11.h}[0], [x0]
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fmax v8.4h, v8.4h, v10.4h
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fmin v9.4h, v9.4h, v11.4h
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TILE_1_Store:
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st1 {v8.h}[0], [x1], #2
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st1 {v9.h}[0], [x0], #2
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subs x5, x5, #1
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add x2, x2, #8 // src += 1 * 4(pack) * 2(sizeof(float16_t))
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bne TILE_1
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Loop_Block_End:
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add x2, x12, x13
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cbnz x3, Loop_BlockNum
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End:
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ldp d8, d9, [sp, #(16 * 3)]
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ldp d10, d11, [sp, #(16 * 2)]
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ldp d12, d13, [sp, #(16 * 1)]
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ldp d14, d15, [sp], #(16 * 4)
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ret
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#endif
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