src/qu8-avgpool/9p8x-minmax-scalar-c1.c - platform/external/XNNPACK - Git at Google

 // Copyright (c) Facebook, Inc. and its affiliates.
 // All rights reserved.
 //
 // 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.

 #include <assert.h>

 #include <xnnpack/avgpool.h>
 #include <xnnpack/math.h>


 void xnn_qu8_avgpool_minmax_ukernel_9p8x__scalar_c1(
     size_t output_pixels,
     size_t kernel_elements,
     size_t channels,
     const uint8_t** input,
     size_t input_offset,
     const uint8_t* zero,
     int32_t* buffer,
     uint8_t* output,
     size_t input_increment,
     size_t output_increment,
     const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
 {
   assert(output_pixels != 0);
   assert(kernel_elements > 9);
   assert(channels != 0);

   const int32_t vbias = params->scalar.bias;
   const int32_t vmultiplier = params->scalar.multiplier;
   const int64_t vrounding = params->scalar.rounding;
   const uint32_t vshift = params->scalar.right_shift;
   const int32_t voutput_min = params->scalar.output_min_less_zero_point;
   const int32_t voutput_max = params->scalar.output_max_less_zero_point;
   const int32_t voutput_zero_point = params->scalar.output_zero_point;
   do {
     // First pass.
     {
       const uint8_t* i0 = *input++;
       assert(i0 != NULL);
       if XNN_UNPREDICTABLE(i0 != zero) {
         i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
       }
       const uint8_t* i1 = *input++;
       assert(i1 != NULL);
       if XNN_UNPREDICTABLE(i1 != zero) {
         i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
       }
       const uint8_t* i2 = *input++;
       assert(i2 != NULL);
       if XNN_UNPREDICTABLE(i2 != zero) {
         i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
       }
       const uint8_t* i3 = *input++;
       assert(i3 != NULL);
       if XNN_UNPREDICTABLE(i3 != zero) {
         i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
       }
       const uint8_t* i4 = *input++;
       assert(i4 != NULL);
       if XNN_UNPREDICTABLE(i4 != zero) {
         i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
       }
       const uint8_t* i5 = *input++;
       assert(i5 != NULL);
       if XNN_UNPREDICTABLE(i5 != zero) {
         i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
       }
       const uint8_t* i6 = *input++;
       assert(i6 != NULL);
       if XNN_UNPREDICTABLE(i6 != zero) {
         i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
       }
       const uint8_t* i7 = *input++;
       assert(i7 != NULL);
       if XNN_UNPREDICTABLE(i7 != zero) {
         i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
       }
       const uint8_t* i8 = *input++;
       assert(i8 != NULL);
       if XNN_UNPREDICTABLE(i8 != zero) {
         i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset);
       }

       int32_t* b = buffer;
       size_t c = channels;
       do {
         const uint32_t vi0 = (uint32_t) *i0++;
         const uint32_t vi1 = (uint32_t) *i1++;
         const uint32_t vi2 = (uint32_t) *i2++;
         const uint32_t vi3 = (uint32_t) *i3++;
         const uint32_t vi4 = (uint32_t) *i4++;
         const uint32_t vi5 = (uint32_t) *i5++;
         const uint32_t vi6 = (uint32_t) *i6++;
         const uint32_t vi7 = (uint32_t) *i7++;
         const uint32_t vi8 = (uint32_t) *i8++;

         const uint32_t vsum01 = vi0 + vi1;
         const uint32_t vsum23 = vi2 + vi3;
         const uint32_t vsum45 = vi4 + vi5;
         const uint32_t vsum67 = vi6 + vi7;
         const uint32_t vsum018 = vsum01 + vi8;
         const uint32_t vsum2345 = vsum23 + vsum45;
         const uint32_t vsum01678 = vsum018 + vsum67;
         int32_t vacc = vbias + (int32_t) vsum2345;
         vacc += (int32_t) vsum01678;
         *b++ = vacc;
       } while (--c != 0);
     }

     size_t k = kernel_elements;
     // Intermediate passes.
     for (k -= 9; k > 8; k -= 8) {
       const uint8_t* i0 = *input++;
       assert(i0 != NULL);
       if XNN_UNPREDICTABLE(i0 != zero) {
         i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
       }
       const uint8_t* i1 = *input++;
       assert(i1 != NULL);
       if XNN_UNPREDICTABLE(i1 != zero) {
         i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
       }
       const uint8_t* i2 = *input++;
       assert(i2 != NULL);
       if XNN_UNPREDICTABLE(i2 != zero) {
         i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
       }
       const uint8_t* i3 = *input++;
       assert(i3 != NULL);
       if XNN_UNPREDICTABLE(i3 != zero) {
         i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
       }
       const uint8_t* i4 = *input++;
       assert(i4 != NULL);
       if XNN_UNPREDICTABLE(i4 != zero) {
         i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
       }
       const uint8_t* i5 = *input++;
       assert(i5 != NULL);
       if XNN_UNPREDICTABLE(i5 != zero) {
         i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
       }
       const uint8_t* i6 = *input++;
       assert(i6 != NULL);
       if XNN_UNPREDICTABLE(i6 != zero) {
         i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
       }
       const uint8_t* i7 = *input++;
       assert(i7 != NULL);
       if XNN_UNPREDICTABLE(i7 != zero) {
         i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
       }

       int32_t* b = buffer;
       size_t c = channels;
       do {
         int32_t vacc = *b;

         const uint32_t vi0 = (uint32_t) *i0++;
         const uint32_t vi1 = (uint32_t) *i1++;
         const uint32_t vi2 = (uint32_t) *i2++;
         const uint32_t vi3 = (uint32_t) *i3++;
         const uint32_t vi4 = (uint32_t) *i4++;
         const uint32_t vi5 = (uint32_t) *i5++;
         const uint32_t vi6 = (uint32_t) *i6++;
         const uint32_t vi7 = (uint32_t) *i7++;

         const uint32_t vsum01 = vi0 + vi1;
         const uint32_t vsum23 = vi2 + vi3;
         const uint32_t vsum45 = vi4 + vi5;
         const uint32_t vsum67 = vi6 + vi7;
         const uint32_t vsum0123 = vsum01 + vsum23;
         const uint32_t vsum4567 = vsum45 + vsum67;
         vacc += (int32_t) vsum0123;
         vacc += (int32_t) vsum4567;

         *b++ = vacc;
       } while (--c != 0);
     }

     // Last pass.
     {
       const uint8_t* i0 = input[0];
       assert(i0 != NULL);
       const uint8_t* i1 = input[1];
       const uint8_t* i2 = input[2];
       const uint8_t* i3 = input[3];
       const uint8_t* i4 = input[4];
       const uint8_t* i5 = input[5];
       const uint8_t* i6 = input[6];
       const uint8_t* i7 = input[7];
       input = (const uint8_t**) ((uintptr_t) input + input_increment);
       if (k < 2) {
         i1 = zero;
       }
       assert(i1 != NULL);
       if (k <= 2) {
         i2 = zero;
       }
       assert(i2 != NULL);
       if (k < 4) {
         i3 = zero;
       }
       assert(i3 != NULL);
       if (k <= 4) {
         i4 = zero;
       }
       assert(i4 != NULL);
       if (k < 6) {
         i5 = zero;
       }
       assert(i5 != NULL);
       if (k <= 6) {
         i6 = zero;
       }
       assert(i6 != NULL);
       if (k < 8) {
         i7 = zero;
       }
       assert(i7 != NULL);
       if XNN_UNPREDICTABLE(i0 != zero) {
         i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
       }
       if XNN_UNPREDICTABLE(i1 != zero) {
         i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
       }
       if XNN_UNPREDICTABLE(i2 != zero) {
         i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
       }
       if XNN_UNPREDICTABLE(i3 != zero) {
         i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
       }
       if XNN_UNPREDICTABLE(i4 != zero) {
         i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
       }
       if XNN_UNPREDICTABLE(i5 != zero) {
         i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
       }
       if XNN_UNPREDICTABLE(i6 != zero) {
         i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
       }
       if XNN_UNPREDICTABLE(i7 != zero) {
         i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
       }

       size_t c = channels;
       int32_t* b = buffer;
       do {
         int32_t vacc = *b++;

         const uint32_t vi0 = (uint32_t) *i0++;
         const uint32_t vi1 = (uint32_t) *i1++;
         const uint32_t vi2 = (uint32_t) *i2++;
         const uint32_t vi3 = (uint32_t) *i3++;
         const uint32_t vi4 = (uint32_t) *i4++;
         const uint32_t vi5 = (uint32_t) *i5++;
         const uint32_t vi6 = (uint32_t) *i6++;
         const uint32_t vi7 = (uint32_t) *i7++;

         const uint32_t vsum01 = vi0 + vi1;
         const uint32_t vsum23 = vi2 + vi3;
         const uint32_t vsum45 = vi4 + vi5;
         const uint32_t vsum67 = vi6 + vi7;
         const uint32_t vsum0123 = vsum01 + vsum23;
         const uint32_t vsum4567 = vsum45 + vsum67;
         vacc += (int32_t) vsum0123;
         vacc += (int32_t) vsum4567;

         const int64_t vproduct = (int64_t) vacc * (int64_t) vmultiplier;
         const int64_t vadjusted_product = vproduct - (int64_t) (vacc < 0);
         int32_t vout = (int32_t) math_asr_s64(vadjusted_product + vrounding, vshift);
         vout = vout < voutput_min ? voutput_min : vout;
         vout = vout > voutput_max ? voutput_max : vout;
         vout += voutput_zero_point;

         *output++ = (uint8_t) vout;
       } while (--c != 0);
     }
     output = (uint8_t*) ((uintptr_t) output + output_increment);
   } while (--output_pixels != 0);
 }
	// Copyright (c) Facebook, Inc. and its affiliates.
	// All rights reserved.
	//
	// 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.

	#include <assert.h>

	#include <xnnpack/avgpool.h>
	#include <xnnpack/math.h>


	void xnn_qu8_avgpool_minmax_ukernel_9p8x__scalar_c1(
	size_t output_pixels,
	size_t kernel_elements,
	size_t channels,
	const uint8_t** input,
	size_t input_offset,
	const uint8_t* zero,
	int32_t* buffer,
	uint8_t* output,
	size_t input_increment,
	size_t output_increment,
	const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
	{
	assert(output_pixels != 0);
	assert(kernel_elements > 9);
	assert(channels != 0);

	const int32_t vbias = params->scalar.bias;
	const int32_t vmultiplier = params->scalar.multiplier;
	const int64_t vrounding = params->scalar.rounding;
	const uint32_t vshift = params->scalar.right_shift;
	const int32_t voutput_min = params->scalar.output_min_less_zero_point;
	const int32_t voutput_max = params->scalar.output_max_less_zero_point;
	const int32_t voutput_zero_point = params->scalar.output_zero_point;
	do {
	// First pass.
	{
	const uint8_t* i0 = *input++;
	assert(i0 != NULL);
	if XNN_UNPREDICTABLE(i0 != zero) {
	i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
	}
	const uint8_t* i1 = *input++;
	assert(i1 != NULL);
	if XNN_UNPREDICTABLE(i1 != zero) {
	i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
	}
	const uint8_t* i2 = *input++;
	assert(i2 != NULL);
	if XNN_UNPREDICTABLE(i2 != zero) {
	i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
	}
	const uint8_t* i3 = *input++;
	assert(i3 != NULL);
	if XNN_UNPREDICTABLE(i3 != zero) {
	i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
	}
	const uint8_t* i4 = *input++;
	assert(i4 != NULL);
	if XNN_UNPREDICTABLE(i4 != zero) {
	i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
	}
	const uint8_t* i5 = *input++;
	assert(i5 != NULL);
	if XNN_UNPREDICTABLE(i5 != zero) {
	i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
	}
	const uint8_t* i6 = *input++;
	assert(i6 != NULL);
	if XNN_UNPREDICTABLE(i6 != zero) {
	i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
	}
	const uint8_t* i7 = *input++;
	assert(i7 != NULL);
	if XNN_UNPREDICTABLE(i7 != zero) {
	i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
	}
	const uint8_t* i8 = *input++;
	assert(i8 != NULL);
	if XNN_UNPREDICTABLE(i8 != zero) {
	i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset);
	}

	int32_t* b = buffer;
	size_t c = channels;
	do {
	const uint32_t vi0 = (uint32_t) *i0++;
	const uint32_t vi1 = (uint32_t) *i1++;
	const uint32_t vi2 = (uint32_t) *i2++;
	const uint32_t vi3 = (uint32_t) *i3++;
	const uint32_t vi4 = (uint32_t) *i4++;
	const uint32_t vi5 = (uint32_t) *i5++;
	const uint32_t vi6 = (uint32_t) *i6++;
	const uint32_t vi7 = (uint32_t) *i7++;
	const uint32_t vi8 = (uint32_t) *i8++;

	const uint32_t vsum01 = vi0 + vi1;
	const uint32_t vsum23 = vi2 + vi3;
	const uint32_t vsum45 = vi4 + vi5;
	const uint32_t vsum67 = vi6 + vi7;
	const uint32_t vsum018 = vsum01 + vi8;
	const uint32_t vsum2345 = vsum23 + vsum45;
	const uint32_t vsum01678 = vsum018 + vsum67;
	int32_t vacc = vbias + (int32_t) vsum2345;
	vacc += (int32_t) vsum01678;
	*b++ = vacc;
	} while (--c != 0);
	}

	size_t k = kernel_elements;
	// Intermediate passes.
	for (k -= 9; k > 8; k -= 8) {
	const uint8_t* i0 = *input++;
	assert(i0 != NULL);
	if XNN_UNPREDICTABLE(i0 != zero) {
	i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
	}
	const uint8_t* i1 = *input++;
	assert(i1 != NULL);
	if XNN_UNPREDICTABLE(i1 != zero) {
	i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
	}
	const uint8_t* i2 = *input++;
	assert(i2 != NULL);
	if XNN_UNPREDICTABLE(i2 != zero) {
	i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
	}
	const uint8_t* i3 = *input++;
	assert(i3 != NULL);
	if XNN_UNPREDICTABLE(i3 != zero) {
	i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
	}
	const uint8_t* i4 = *input++;
	assert(i4 != NULL);
	if XNN_UNPREDICTABLE(i4 != zero) {
	i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
	}
	const uint8_t* i5 = *input++;
	assert(i5 != NULL);
	if XNN_UNPREDICTABLE(i5 != zero) {
	i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
	}
	const uint8_t* i6 = *input++;
	assert(i6 != NULL);
	if XNN_UNPREDICTABLE(i6 != zero) {
	i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
	}
	const uint8_t* i7 = *input++;
	assert(i7 != NULL);
	if XNN_UNPREDICTABLE(i7 != zero) {
	i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
	}

	int32_t* b = buffer;
	size_t c = channels;
	do {
	int32_t vacc = *b;

	const uint32_t vi0 = (uint32_t) *i0++;
	const uint32_t vi1 = (uint32_t) *i1++;
	const uint32_t vi2 = (uint32_t) *i2++;
	const uint32_t vi3 = (uint32_t) *i3++;
	const uint32_t vi4 = (uint32_t) *i4++;
	const uint32_t vi5 = (uint32_t) *i5++;
	const uint32_t vi6 = (uint32_t) *i6++;
	const uint32_t vi7 = (uint32_t) *i7++;

	const uint32_t vsum01 = vi0 + vi1;
	const uint32_t vsum23 = vi2 + vi3;
	const uint32_t vsum45 = vi4 + vi5;
	const uint32_t vsum67 = vi6 + vi7;
	const uint32_t vsum0123 = vsum01 + vsum23;
	const uint32_t vsum4567 = vsum45 + vsum67;
	vacc += (int32_t) vsum0123;
	vacc += (int32_t) vsum4567;

	*b++ = vacc;
	} while (--c != 0);
	}

	// Last pass.
	{
	const uint8_t* i0 = input[0];
	assert(i0 != NULL);
	const uint8_t* i1 = input[1];
	const uint8_t* i2 = input[2];
	const uint8_t* i3 = input[3];
	const uint8_t* i4 = input[4];
	const uint8_t* i5 = input[5];
	const uint8_t* i6 = input[6];
	const uint8_t* i7 = input[7];
	input = (const uint8_t**) ((uintptr_t) input + input_increment);
	if (k < 2) {
	i1 = zero;
	}
	assert(i1 != NULL);
	if (k <= 2) {
	i2 = zero;
	}
	assert(i2 != NULL);
	if (k < 4) {
	i3 = zero;
	}
	assert(i3 != NULL);
	if (k <= 4) {
	i4 = zero;
	}
	assert(i4 != NULL);
	if (k < 6) {
	i5 = zero;
	}
	assert(i5 != NULL);
	if (k <= 6) {
	i6 = zero;
	}
	assert(i6 != NULL);
	if (k < 8) {
	i7 = zero;
	}
	assert(i7 != NULL);
	if XNN_UNPREDICTABLE(i0 != zero) {
	i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
	}
	if XNN_UNPREDICTABLE(i1 != zero) {
	i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
	}
	if XNN_UNPREDICTABLE(i2 != zero) {
	i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
	}
	if XNN_UNPREDICTABLE(i3 != zero) {
	i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
	}
	if XNN_UNPREDICTABLE(i4 != zero) {
	i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
	}
	if XNN_UNPREDICTABLE(i5 != zero) {
	i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
	}
	if XNN_UNPREDICTABLE(i6 != zero) {
	i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
	}
	if XNN_UNPREDICTABLE(i7 != zero) {
	i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
	}

	size_t c = channels;
	int32_t* b = buffer;
	do {
	int32_t vacc = *b++;

	const uint32_t vi0 = (uint32_t) *i0++;
	const uint32_t vi1 = (uint32_t) *i1++;
	const uint32_t vi2 = (uint32_t) *i2++;
	const uint32_t vi3 = (uint32_t) *i3++;
	const uint32_t vi4 = (uint32_t) *i4++;
	const uint32_t vi5 = (uint32_t) *i5++;
	const uint32_t vi6 = (uint32_t) *i6++;
	const uint32_t vi7 = (uint32_t) *i7++;

	const uint32_t vsum01 = vi0 + vi1;
	const uint32_t vsum23 = vi2 + vi3;
	const uint32_t vsum45 = vi4 + vi5;
	const uint32_t vsum67 = vi6 + vi7;
	const uint32_t vsum0123 = vsum01 + vsum23;
	const uint32_t vsum4567 = vsum45 + vsum67;
	vacc += (int32_t) vsum0123;
	vacc += (int32_t) vsum4567;

	const int64_t vproduct = (int64_t) vacc * (int64_t) vmultiplier;
	const int64_t vadjusted_product = vproduct - (int64_t) (vacc < 0);
	int32_t vout = (int32_t) math_asr_s64(vadjusted_product + vrounding, vshift);
	vout = vout < voutput_min ? voutput_min : vout;
	vout = vout > voutput_max ? voutput_max : vout;
	vout += voutput_zero_point;

	*output++ = (uint8_t) vout;
	} while (--c != 0);
	}
	output = (uint8_t*) ((uintptr_t) output + output_increment);
	} while (--output_pixels != 0);
	}