From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../arm_depthwise_separable_conv_HWC_q7.c | 418 +++++++++++++++++++++ 1 file changed, 418 insertions(+) create mode 100644 fw/midi-dials/Drivers/CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c (limited to 'fw/midi-dials/Drivers/CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c') diff --git a/fw/midi-dials/Drivers/CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c b/fw/midi-dials/Drivers/CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c new file mode 100644 index 0000000..705fa6a --- /dev/null +++ b/fw/midi-dials/Drivers/CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c @@ -0,0 +1,418 @@ +/* + * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* ---------------------------------------------------------------------- + * Project: CMSIS NN Library + * Title: arm_depthwise_separable_conv_HWC_q7.c + * Description: Q7 depthwise separable convolution function + * + * $Date: 17. January 2018 + * $Revision: V.1.0.0 + * + * Target Processor: Cortex-M cores + * + * -------------------------------------------------------------------- */ + +#include "arm_math.h" +#include "arm_nnfunctions.h" + +/** + * @ingroup groupNN + */ + +/** + * @addtogroup NNConv + * @{ + */ + +/** + * @brief Q7 depthwise separable convolution function + * @param[in] Im_in pointer to input tensor + * @param[in] dim_im_in input tensor dimention + * @param[in] ch_im_in number of input tensor channels + * @param[in] wt pointer to kernel weights + * @param[in] ch_im_out number of filters, i.e., output tensor channels + * @param[in] dim_kernel filter kernel size + * @param[in] padding padding sizes + * @param[in] stride convolution stride + * @param[in] bias pointer to bias + * @param[in] bias_shift amount of left-shift for bias + * @param[in] out_shift amount of right-shift for output + * @param[in,out] Im_out pointer to output tensor + * @param[in] dim_im_out output tensor dimension + * @param[in,out] bufferA pointer to buffer space for input + * @param[in,out] bufferB pointer to buffer space for output + * @return The function returns either + * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking. + * + * @details + * + * Buffer size: + * + * bufferA size: 2*ch_im_in*dim_kernel*dim_kernel + * + * bufferB size: 0 + * + * Input dimension constraints: + * + * ch_im_in equals ch_im_out + * + * Implementation: + * There are 3 nested loop here: + * Inner loop: calculate each output value with MAC instruction over an accumulator + * Mid loop: loop over different output channel + * Outer loop: loop over different output (x, y) + */ + +arm_status arm_depthwise_separable_conv_HWC_q7(const q7_t * Im_in, + const uint16_t dim_im_in, + const uint16_t ch_im_in, + const q7_t * wt, + const uint16_t ch_im_out, + const uint16_t dim_kernel, + const uint16_t padding, + const uint16_t stride, + const q7_t * bias, + const uint16_t bias_shift, + const uint16_t out_shift, + q7_t * Im_out, + const uint16_t dim_im_out, + q15_t * bufferA, + q7_t * bufferB) +{ + +#if defined (ARM_MATH_DSP) + /* Run the following code for Cortex-M4 and Cortex-M7 */ + + int16_t i_out_y, i_out_x; + int16_t i_ker_y, i_ker_x; + q7_t *colBuffer = (q7_t *) bufferA; + q7_t *pBuffer = colBuffer; + const q7_t *pBias = bias; + q7_t *pOut = Im_out; + uint16_t rowCnt; + uint16_t row_shift; + + /* do some checking here, basically ch_im_in == ch_im_out */ + if (ch_im_in != ch_im_out) + { + return ARM_MATH_SIZE_MISMATCH; + } + + for (i_out_y = 0; i_out_y < dim_im_out; i_out_y++) + { + for (i_out_x = 0; i_out_x < dim_im_out; i_out_x++) + { + /* we first do im2col here */ + for (i_ker_y = i_out_y * stride - padding; i_ker_y < i_out_y * stride - padding + dim_kernel; i_ker_y++) + { + for (i_ker_x = i_out_x * stride - padding; i_ker_x < i_out_x * stride - padding + dim_kernel; i_ker_x++) + { + if (i_ker_y < 0 || i_ker_y >= dim_im_in || i_ker_x < 0 || i_ker_x >= dim_im_in) + { + /* arm_fill_q7(0, pBuffer, ch_im_in); */ + memset(pBuffer, 0, ch_im_in); + } else + { + /* arm_copy_q7((q7_t *) Im_in + (i_ker_y * dim_im_in + i_ker_x) * ch_im_in, pBuffer, ch_im_in); */ + memcpy(pBuffer, (q7_t *) Im_in + (i_ker_y * dim_im_in + i_ker_x) * ch_im_in, ch_im_in); + } + pBuffer += ch_im_in; + } + } + + /* we will do the computation here for each channel */ + rowCnt = ch_im_out >> 2; + row_shift = 0; + pBias = bias; + + while (rowCnt) + { + q31_t sum = ((q31_t)(*pBias++) << bias_shift) + NN_ROUND(out_shift); + q31_t sum2 = ((q31_t)(*pBias++) << bias_shift) + NN_ROUND(out_shift); + q31_t sum3 = ((q31_t)(*pBias++) << bias_shift) + NN_ROUND(out_shift); + q31_t sum4 = ((q31_t)(*pBias++) << bias_shift) + NN_ROUND(out_shift); + + uint16_t colCnt = (dim_kernel * dim_kernel) >> 1; + q7_t *pB = colBuffer + row_shift; + const q7_t *pA = wt + row_shift; + row_shift += 4; + +#ifdef USE_INTRINSIC + +#ifndef ARM_MATH_BIG_ENDIAN + + while (colCnt) + { + q31_t inA1, inA2, inB1, inB2, opA, opB; + + inB1 = *__SIMD32(pB); + pB += ch_im_in; + opB = *__SIMD32(pB); + pB += ch_im_in; + inB2 = __PKHTB(opB, inB1, 16); + inB1 = __PKHBT(inB1, opB, 16); + inA1 = *__SIMD32(pA); + pA += ch_im_in; + opB = *__SIMD32(pA); + pA += ch_im_in; + inA2 = __PKHTB(opB, inA1, 16); + inA1 = __PKHBT(inA1, opB, 16); + opA = __SXTB16(inA1); + opB = __SXTB16(inB1); + sum = __SMLAD(opA, opB, sum); + opA = __SXTB16(__ROR(inA1, 8)); + opB = __SXTB16(__ROR(inB1, 8)); + sum2 = __SMLAD(opA, opB, sum2); + opA = __SXTB16(inA2); + opB = __SXTB16(inB2); + sum3 = __SMLAD(opA, opB, sum3); + opA = __SXTB16(__ROR(inA2, 8)); + opB = __SXTB16(__ROR(inB2, 8)); + sum4 = __SMLAD(opA, opB, sum4); + colCnt--; + } +#else + + while (colCnt) + { + q31_t inA1, inA2, inB1, inB2, opA, opB; + + inB1 = *__SIMD32(pB); + pB += ch_im_in; + opB = *__SIMD32(pB); + pB += ch_im_in; + inB2 = __PKHBT(opB, inB1, 16); + inB1 = __PKHTB(inB1, opB, 16); + inA1 = *__SIMD32(pA); + pA += ch_im_in; + opB = *__SIMD32(pA); + pA += ch_im_in; + inA2 = __PKHBT(opB, inA1, 16); + inA1 = __PKHTB(inA1, opB, 16); + opA = __SXTB16(inA1); + opB = __SXTB16(inB1); + sum2 = __SMLAD(opA, opB, sum2); + opA = __SXTB16(__ROR(inA1, 8)); + opB = __SXTB16(__ROR(inB1, 8)); + sum = __SMLAD(opA, opB, sum); + opA = __SXTB16(inA2); + opB = __SXTB16(inB2); + sum4 = __SMLAD(opA, opB, sum4); + opA = __SXTB16(__ROR(inA2, 8)); + opB = __SXTB16(__ROR(inB2, 8)); + sum3 = __SMLAD(opA, opB, sum3); + colCnt--; + } + +#endif /* ARM_MATH_BIG_ENDIAN */ + +#else + +#ifndef ARM_MATH_BIG_ENDIAN + /* + * r0 r1 r2 r3 r4 r5 + * inA1, inA2, inB1, inB2, opA, opB + */ + + asm volatile ("COL_LOOP_%=:\n" + "ldr.w r2, [%[pB], #0]\n" + "add.w %[pB], %[pB], %[ch_im_in]\n" + "ldr.w r5, [%[pB], #0]\n" + "add.w %[pB], %[pB], %[ch_im_in]\n" + "pkhtb r3, r5, r2, ASR #16\n" + "pkhbt r2, r2, r5, LSL #16\n" + "ldr.w r0, [%[pA], #0]\n" + "add.w %[pA], %[pA], %[ch_im_in]\n" + "ldr.w r5, [%[pA], #0]\n" + "add.w %[pA], %[pA], %[ch_im_in]\n" + "pkhtb r1, r5, r0, ASR #16\n" + "pkhbt r0, r0, r5, LSL #16\n" + "sxtb16 r4, r0\n" + "sxtb16 r5, r2\n" + "smlad %[sum], r4, r5, %[sum]\n" + "mov.w r4, r0, ror #8\n" + "mov.w r5, r2, ror #8\n" + "sxtb16 r4, r4\n" + "sxtb16 r5, r5\n" + "smlad %[sum2], r4, r5, %[sum2]\n" + "sxtb16 r4, r1\n" + "sxtb16 r5, r3\n" + "smlad %[sum3], r4, r5, %[sum3]\n" + "mov.w r4, r1, ror #8\n" + "mov.w r5, r3, ror #8\n" + "sxtb16 r4, r4\n" + "sxtb16 r5, r5\n" + "smlad %[sum4], r4, r5, %[sum4]\n" + "subs %[colCnt], #1\n" + "bne COL_LOOP_%=\n":[sum] + "+r"(sum),[sum2] "+r"(sum2), + [sum3] "+r"(sum3), + [sum4] "+r"(sum4),[pB] "+r"(pB), + [pA] "+r"(pA):[colCnt] + "r"(colCnt),[ch_im_in] "r"(ch_im_in):"r0", "r1", "r2", "r3", "r4", "r5"); +#else + /* + * r0 r1 r2 r3 r4 r5 + * inA1, inA2, inB1, inB2, opA, opB + */ + asm volatile ("COL_LOOP_%=:\n" + "ldr.w r2, [%[pB], #0]\n" + "add.w %[pB], %[pB], %[ch_im_in]\n" + "ldr.w r5, [%[pB], #0]\n" + "add.w %[pB], %[pB], %[ch_im_in]\n" + "pkhbt r3, r5, r2, LSL #16\n" + "pkhtb r2, r2, r5, ASR #16\n" + "ldr.w r0, [%[pA], #0]\n" + "add.w %[pA], %[pA], %[ch_im_in]\n" + "ldr.w r5, [%[pA], #0]\n" + "add.w %[pA], %[pA], %[ch_im_in]\n" + "pkhbt r1, r5, r0, LSL #16\n" + "pkhtb r0, r0, r5, ASR #16\n" + "sxtb16 r4, r0\n" + "sxtb16 r5, r2\n" + "smlad %[sum2], r4, r5, %[sum2]\n" + "mov.w r4, r0, ror #8\n" + "mov.w r5, r2, ror #8\n" + "sxtb16 r4, r4\n" + "sxtb16 r5, r5\n" + "smlad %[sum], r4, r5, %[sum]\n" + "sxtb16 r4, r1\n" + "sxtb16 r5, r3\n" + "smlad %[sum4], r4, r5, %[sum4]\n" + "mov.w r4, r1, ror #8\n" + "mov.w r5, r3, ror #8\n" + "sxtb16 r4, r4\n" + "sxtb16 r5, r5\n" + "smlad %[sum3], r4, r5, %[sum3]\n" + "subs %[colCnt], #1\n" + "bne COL_LOOP_%=\n":[sum] + "+r"(sum),[sum2] "+r"(sum2), + [sum3] "+r"(sum3), + [sum4] "+r"(sum4),[pB] "+r"(pB), + [pA] "+r"(pA):[colCnt] + "r"(colCnt),[ch_im_in] "r"(ch_im_in):"r0", "r1", "r2", "r3", "r4", "r5"); + +#endif /* ARM_MATH_BIG_ENDIAN */ + +#endif /* USE_INTRINSIC */ + + colCnt = (dim_kernel * dim_kernel) & 0x1; + while (colCnt) + { + union arm_nnword inA, inB; + inA.word = *__SIMD32(pA); + pA += ch_im_in; + inB.word = *__SIMD32(pB); + pB += ch_im_in; + sum += inA.bytes[0] * inB.bytes[0]; + sum2 += inA.bytes[1] * inB.bytes[1]; + sum3 += inA.bytes[2] * inB.bytes[2]; + sum4 += inA.bytes[3] * inB.bytes[3]; + colCnt--; + } + + *pOut++ = (q7_t) __SSAT((sum >> out_shift), 8); + *pOut++ = (q7_t) __SSAT((sum2 >> out_shift), 8); + *pOut++ = (q7_t) __SSAT((sum3 >> out_shift), 8); + *pOut++ = (q7_t) __SSAT((sum4 >> out_shift), 8); + + rowCnt--; + } + + rowCnt = ch_im_out & 0x3; + while (rowCnt) + { + q7_t *pB = colBuffer + row_shift; + const q7_t *pA = wt + row_shift; + q31_t sum = ((q31_t)(*pBias++) << bias_shift) + NN_ROUND(out_shift); + uint16_t colCnt = (dim_kernel * dim_kernel); + + row_shift += 1; + + while (colCnt) + { + q7_t A1 = *pA; + q7_t B1 = *pB; + pA += ch_im_in; + pB += ch_im_in; + sum += A1 * B1; + + colCnt--; + } + *pOut++ = (q7_t) __SSAT((sum >> out_shift), 8); + rowCnt--; + } + + /* clear counter and pointers */ + pBuffer = colBuffer; + } + } + +#else + /* Run the following code as reference implementation for Cortex-M0 and Cortex-M3 */ + int i_out_y, i_out_x, i_ch_out, i_ker_x, i_ker_y; + int conv_out; + + /* do some checking here, basically ch_im_in == ch_im_out */ + if (ch_im_in != ch_im_out) + { + return ARM_MATH_SIZE_MISMATCH; + } + + for (i_out_y = 0; i_out_y < dim_im_out; i_out_y++) + { + for (i_out_x = 0; i_out_x < dim_im_out; i_out_x++) + { + for (i_ch_out = 0; i_ch_out < ch_im_out; i_ch_out++) + { + // for each output + conv_out = ((q31_t)(bias[i_ch_out]) << bias_shift) + NN_ROUND(out_shift); + for (i_ker_y = 0; i_ker_y < dim_kernel; i_ker_y++) + { + for (i_ker_x = 0; i_ker_x < dim_kernel; i_ker_x++) + { + int in_row = stride * i_out_y + i_ker_y - padding; + int in_col = stride * i_out_x + i_ker_x - padding; + if (in_row >= 0 && in_col >= 0 && in_row < dim_im_in && in_col < dim_im_in) + { + conv_out += + Im_in[(in_row * + dim_im_in + + in_col) * + ch_im_in + + i_ch_out] * wt[(i_ker_y * dim_kernel + i_ker_x) * ch_im_out + i_ch_out]; + } + } + } + Im_out[(i_out_y * dim_im_out + + i_out_x) * ch_im_out + i_ch_out] = (q7_t) __SSAT((conv_out >> out_shift), 8); + } + } + } + +#endif /* ARM_MATH_DSP */ + + /* Return to application */ + return ARM_MATH_SUCCESS; + +} + +/** + * @} end of NNConv group + */ -- cgit