| // 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 <math.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #include <xnnpack.h> |
| #include <xnnpack/allocator.h> |
| #include <xnnpack/log.h> |
| #include <xnnpack/operator.h> |
| #include <xnnpack/params-init.h> |
| #include <xnnpack/params.h> |
| |
| |
| enum xnn_status xnn_create_clamp_nc_u8( |
| size_t channels, |
| size_t input_stride, |
| size_t output_stride, |
| uint8_t output_min, |
| uint8_t output_max, |
| uint32_t flags, |
| xnn_operator_t* clamp_op_out) |
| { |
| xnn_operator_t clamp_op = NULL; |
| enum xnn_status status = xnn_status_uninitialized; |
| |
| if (!xnn_params.initialized) { |
| xnn_log_error("failed to create %s operator: XNNPACK is not initialized", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8)); |
| goto error; |
| } |
| |
| status = xnn_status_invalid_parameter; |
| |
| if (channels == 0) { |
| xnn_log_error( |
| "failed to create %s operator with %zu channels: number of channels must be non-zero", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8), channels); |
| goto error; |
| } |
| |
| if (input_stride < channels) { |
| xnn_log_error( |
| "failed to create %s operator with input element stride of %zu: " |
| "stride must be at least as large as the number of channels (%zu)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8), input_stride, channels); |
| goto error; |
| } |
| |
| if (output_stride < channels) { |
| xnn_log_error( |
| "failed to create %s operator with output element stride of %zu: " |
| "stride must be at least as large as the number of channels (%zu)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8), output_stride, channels); |
| goto error; |
| } |
| |
| if (output_min >= output_max) { |
| xnn_log_error( |
| "failed to create %s operator with [%" PRIu8 ", %" PRIu8 "] output range: range min must be below range max", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8), output_min, output_max); |
| goto error; |
| } |
| |
| status = xnn_status_out_of_memory; |
| |
| clamp_op = xnn_allocate_zero_simd_memory(sizeof(struct xnn_operator)); |
| if (clamp_op == NULL) { |
| xnn_log_error( |
| "failed to allocate %zu bytes for %s operator descriptor", |
| sizeof(struct xnn_operator), xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8)); |
| goto error; |
| } |
| |
| clamp_op->channels = channels; |
| clamp_op->input_pixel_stride = input_stride; |
| clamp_op->output_pixel_stride = output_stride; |
| clamp_op->u8_minmax_params = xnn_init_u8_minmax_params(output_min, output_max); |
| |
| clamp_op->type = xnn_operator_type_clamp_nc_u8; |
| clamp_op->ukernel.type = xnn_ukernel_type_clamp; |
| |
| clamp_op->state = xnn_run_state_invalid; |
| |
| *clamp_op_out = clamp_op; |
| return xnn_status_success; |
| |
| error: |
| xnn_delete_operator(clamp_op); |
| return status; |
| } |
| |
| enum xnn_status xnn_create_clamp_nc_f32( |
| size_t channels, |
| size_t input_stride, |
| size_t output_stride, |
| float output_min, |
| float output_max, |
| uint32_t flags, |
| xnn_operator_t* clamp_op_out) |
| { |
| xnn_operator_t clamp_op = NULL; |
| enum xnn_status status = xnn_status_uninitialized; |
| |
| if (!xnn_params.initialized) { |
| xnn_log_error("failed to create %s operator: XNNPACK is not initialized", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32)); |
| goto error; |
| } |
| |
| status = xnn_status_invalid_parameter; |
| |
| if (channels == 0) { |
| xnn_log_error( |
| "failed to create %s operator with %zu channels: number of channels must be non-zero", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32), channels); |
| goto error; |
| } |
| |
| if (input_stride < channels) { |
| xnn_log_error( |
| "failed to create %s operator with input element stride of %zu: " |
| "stride must be at least as large as the number of channels (%zu)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32), input_stride, channels); |
| goto error; |
| } |
| |
| if (output_stride < channels) { |
| xnn_log_error( |
| "failed to create %s operator with output element stride of %zu: " |
| "stride must be at least as large as the number of channels (%zu)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32), output_stride, channels); |
| goto error; |
| } |
| |
| if (isnan(output_min)) { |
| xnn_log_error( |
| "failed to create %s operator with NaN output lower bound: lower bound must be non-NaN", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32)); |
| goto error; |
| } |
| |
| if (isnan(output_max)) { |
| xnn_log_error( |
| "failed to create %s operator with NaN output upper bound: upper bound must be non-NaN", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32)); |
| goto error; |
| } |
| |
| if (output_min >= output_max) { |
| xnn_log_error( |
| "failed to create %s operator with [%.7g, %.7g] output range: lower bound must be below upper bound", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32), output_min, output_max); |
| goto error; |
| } |
| |
| status = xnn_status_out_of_memory; |
| |
| clamp_op = xnn_allocate_zero_simd_memory(sizeof(struct xnn_operator)); |
| if (clamp_op == NULL) { |
| xnn_log_error( |
| "failed to allocate %zu bytes for %s operator descriptor", |
| sizeof(struct xnn_operator), xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32)); |
| goto error; |
| } |
| |
| clamp_op->channels = channels; |
| clamp_op->input_pixel_stride = input_stride; |
| clamp_op->output_pixel_stride = output_stride; |
| clamp_op->f32_minmax_params = xnn_init_f32_minmax_params(output_min, output_max); |
| |
| clamp_op->type = xnn_operator_type_clamp_nc_f32; |
| clamp_op->ukernel.type = xnn_ukernel_type_clamp; |
| |
| clamp_op->state = xnn_run_state_invalid; |
| |
| *clamp_op_out = clamp_op; |
| return xnn_status_success; |
| |
| error: |
| xnn_delete_operator(clamp_op); |
| return status; |
| } |
| |
| static enum xnn_status setup_clamp( |
| xnn_operator_t clamp_op, |
| size_t batch_size, |
| const void* input, |
| void* output, |
| xnn_univector_ukernel_function ukernel, |
| uint32_t log2_element_size, |
| const void* params, |
| size_t params_size) |
| { |
| if (!xnn_params.initialized) { |
| xnn_log_error("failed to setup %s operator: XNNPACK is not initialized", |
| xnn_operator_type_to_string(clamp_op->type)); |
| return xnn_status_uninitialized; |
| } |
| |
| if (batch_size == 0) { |
| clamp_op->state = xnn_run_state_skip; |
| return xnn_status_success; |
| } |
| |
| const size_t channels = clamp_op->channels; |
| const size_t input_stride = clamp_op->input_pixel_stride; |
| const size_t output_stride = clamp_op->output_pixel_stride; |
| if ((((input_stride ^ channels) | (output_stride ^ channels)) == 0) || batch_size == 1) { |
| const size_t block_size = 4096; |
| clamp_op->context.univector_contiguous = (struct univector_contiguous_context) { |
| .x = input, |
| .x_stride = input_stride << log2_element_size, |
| .y = output, |
| .y_stride = output_stride << log2_element_size, |
| .ukernel = ukernel, |
| }; |
| memcpy(&clamp_op->context.univector_contiguous.params, params, params_size); |
| clamp_op->compute.type = xnn_parallelization_type_1d_tile_1d; |
| clamp_op->compute.task_1d_tile_1d = (pthreadpool_task_1d_tile_1d_t) xnn_compute_univector_contiguous; |
| clamp_op->compute.range[0] = (batch_size * channels) << log2_element_size; |
| clamp_op->compute.tile[0] = block_size; |
| } else { |
| clamp_op->context.univector_strided = (struct univector_strided_context) { |
| .n = channels << log2_element_size, |
| .x = input, |
| .x_stride = input_stride << log2_element_size, |
| .y = output, |
| .y_stride = output_stride << log2_element_size, |
| .ukernel = ukernel, |
| }; |
| memcpy(&clamp_op->context.univector_strided.params, params, params_size); |
| clamp_op->compute.type = xnn_parallelization_type_1d_tile_1d; |
| clamp_op->compute.task_1d_tile_1d = (pthreadpool_task_1d_tile_1d_t) xnn_compute_univector_strided; |
| clamp_op->compute.range[0] = batch_size; |
| clamp_op->compute.tile[0] = 1; |
| } |
| clamp_op->state = xnn_run_state_ready; |
| |
| return xnn_status_success; |
| } |
| |
| enum xnn_status xnn_setup_clamp_nc_u8( |
| xnn_operator_t clamp_op, |
| size_t batch_size, |
| const uint8_t* input, |
| uint8_t* output, |
| pthreadpool_t threadpool) |
| { |
| if (clamp_op->type != xnn_operator_type_clamp_nc_u8) { |
| xnn_log_error("failed to setup operator: operator type mismatch (expected %s, got %s)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_u8), |
| xnn_operator_type_to_string(clamp_op->type)); |
| return xnn_status_invalid_parameter; |
| } |
| clamp_op->state = xnn_run_state_invalid; |
| |
| return setup_clamp( |
| clamp_op, |
| batch_size, input, output, |
| xnn_params.u8.clamp, |
| 0 /* log2(sizeof(uint8_t)) */, |
| &clamp_op->u8_minmax_params, |
| sizeof(clamp_op->u8_minmax_params)); |
| } |
| |
| enum xnn_status xnn_setup_clamp_nc_f32( |
| xnn_operator_t clamp_op, |
| size_t batch_size, |
| const float* input, |
| float* output, |
| pthreadpool_t threadpool) |
| { |
| if (clamp_op->type != xnn_operator_type_clamp_nc_f32) { |
| xnn_log_error("failed to setup operator: operator type mismatch (expected %s, got %s)", |
| xnn_operator_type_to_string(xnn_operator_type_clamp_nc_f32), |
| xnn_operator_type_to_string(clamp_op->type)); |
| return xnn_status_invalid_parameter; |
| } |
| clamp_op->state = xnn_run_state_invalid; |
| |
| return setup_clamp( |
| clamp_op, |
| batch_size, input, output, |
| xnn_params.f32.clamp, |
| 2 /* log2(sizeof(float)) */, |
| &clamp_op->f32_minmax_params, |
| sizeof(clamp_op->f32_minmax_params)); |
| } |