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/*******************************************************************************
* Copyright 2019-2022 Intel Corporation
*
* 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
*
* http://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.
*******************************************************************************/
#ifndef EXAMPLE_UTILS_H
#define EXAMPLE_UTILS_H
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dnnl.h"
#include "dnnl_debug.h"
#if DNNL_GPU_RUNTIME == DNNL_RUNTIME_OCL
#include "dnnl_ocl.h"
#endif
#define COMPLAIN_DNNL_ERROR_AND_EXIT(what, status) \
do { \
printf("[%s:%d] `%s` returns oneDNN error: %s.\n", __FILE__, __LINE__, \
what, dnnl_status2str(status)); \
printf("Example failed.\n"); \
exit(1); \
} while (0)
#define COMPLAIN_EXAMPLE_ERROR_AND_EXIT(complain_fmt, ...) \
do { \
printf("[%s:%d] Error in the example: " complain_fmt ".\n", __FILE__, \
__LINE__, __VA_ARGS__); \
printf("Example failed.\n"); \
exit(2); \
} while (0)
static dnnl_engine_kind_t validate_engine_kind(dnnl_engine_kind_t akind) {
// Checking if a GPU exists on the machine
if (akind == dnnl_gpu) {
if (!dnnl_engine_get_count(dnnl_gpu)) {
printf("Application couldn't find GPU, please run with CPU "
"instead.\n");
exit(0);
}
}
return akind;
}
#define CHECK(f) \
do { \
dnnl_status_t s_ = f; \
if (s_ != dnnl_success) COMPLAIN_DNNL_ERROR_AND_EXIT(#f, s_); \
} while (0)
static inline dnnl_engine_kind_t parse_engine_kind(int argc, char **argv) {
// Returns default engine kind, i.e. CPU, if none given
if (argc == 1) {
return validate_engine_kind(dnnl_cpu);
} else if (argc == 2) {
// Checking the engine type, i.e. CPU or GPU
char *engine_kind_str = argv[1];
if (!strcmp(engine_kind_str, "cpu")) {
return validate_engine_kind(dnnl_cpu);
} else if (!strcmp(engine_kind_str, "gpu")) {
return validate_engine_kind(dnnl_gpu);
}
}
// If all above fails, the example should be run properly
COMPLAIN_EXAMPLE_ERROR_AND_EXIT(
"inappropriate engine kind.\n"
"Please run the example like this: %s [cpu|gpu].",
argv[0]);
}
static inline const char *engine_kind2str_upper(dnnl_engine_kind_t kind) {
if (kind == dnnl_cpu) return "CPU";
if (kind == dnnl_gpu) return "GPU";
return "<Unknown engine>";
}
// Read from memory, write to handle
static inline void read_from_dnnl_memory(void *handle, dnnl_memory_t mem) {
dnnl_engine_t eng;
dnnl_engine_kind_t eng_kind;
const_dnnl_memory_desc_t md;
if (!handle) COMPLAIN_EXAMPLE_ERROR_AND_EXIT("%s", "handle is NULL.");
CHECK(dnnl_memory_get_engine(mem, &eng));
CHECK(dnnl_engine_get_kind(eng, &eng_kind));
CHECK(dnnl_memory_get_memory_desc(mem, &md));
size_t bytes = dnnl_memory_desc_get_size(md);
bool is_cpu_sycl
= (DNNL_CPU_RUNTIME == DNNL_RUNTIME_SYCL && eng_kind == dnnl_cpu);
if (eng_kind == dnnl_gpu || is_cpu_sycl) {
void *mapped_ptr = NULL;
CHECK(dnnl_memory_map_data(mem, &mapped_ptr));
if (mapped_ptr) memcpy(handle, mapped_ptr, bytes);
CHECK(dnnl_memory_unmap_data(mem, mapped_ptr));
return;
}
if (eng_kind == dnnl_cpu) {
void *ptr = NULL;
CHECK(dnnl_memory_get_data_handle(mem, &ptr));
if (ptr) {
for (size_t i = 0; i < bytes; ++i) {
((char *)handle)[i] = ((char *)ptr)[i];
}
}
return;
}
assert(!"not expected");
}
// Read from handle, write to memory
static inline void write_to_dnnl_memory(void *handle, dnnl_memory_t mem) {
dnnl_engine_t eng;
dnnl_engine_kind_t eng_kind;
const_dnnl_memory_desc_t md;
if (!handle) COMPLAIN_EXAMPLE_ERROR_AND_EXIT("%s", "handle is NULL.");
CHECK(dnnl_memory_get_engine(mem, &eng));
CHECK(dnnl_engine_get_kind(eng, &eng_kind));
CHECK(dnnl_memory_get_memory_desc(mem, &md));
size_t bytes = dnnl_memory_desc_get_size(md);
#ifdef DNNL_WITH_SYCL
bool is_cpu_sycl
= (DNNL_CPU_RUNTIME == DNNL_RUNTIME_SYCL && eng_kind == dnnl_cpu);
bool is_gpu_sycl
= (DNNL_GPU_RUNTIME == DNNL_RUNTIME_SYCL && eng_kind == dnnl_gpu);
if (is_cpu_sycl || is_gpu_sycl) {
void *mapped_ptr = NULL;
CHECK(dnnl_memory_map_data(mem, &mapped_ptr));
if (mapped_ptr) {
for (size_t i = 0; i < bytes; ++i) {
((char *)mapped_ptr)[i] = ((char *)handle)[i];
}
}
CHECK(dnnl_memory_unmap_data(mem, mapped_ptr));
return;
}
#endif
#if DNNL_GPU_RUNTIME == DNNL_RUNTIME_OCL
if (eng_kind == dnnl_gpu) {
void *mapped_ptr = NULL;
CHECK(dnnl_memory_map_data(mem, &mapped_ptr));
if (mapped_ptr) memcpy(mapped_ptr, handle, bytes);
CHECK(dnnl_memory_unmap_data(mem, mapped_ptr));
return;
}
#endif
if (eng_kind == dnnl_cpu) {
void *ptr = NULL;
CHECK(dnnl_memory_get_data_handle(mem, &ptr));
if (ptr) {
for (size_t i = 0; i < bytes; ++i) {
((char *)ptr)[i] = ((char *)handle)[i];
}
}
return;
}
assert(!"not expected");
}
#endif
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