forked from huawei/mindspore2022
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/**
|
|
* Copyright 2020 Huawei Technologies Co., Ltd
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
|
|
#include <jni.h>
|
|
#include "common/ms_log.h"
|
|
#include "include/context.h"
|
|
|
|
extern "C" JNIEXPORT jlong JNICALL Java_com_mindspore_lite_context_Context_createContext(JNIEnv *env, jobject thiz,
|
|
jint device_type,
|
|
jint thread_num,
|
|
jint cpu_bind_mode) {
|
|
auto *context = new (std::nothrow) mindspore::lite::Context();
|
|
if (context == nullptr) {
|
|
MS_LOGE("new Context fail!");
|
|
return (jlong)context;
|
|
}
|
|
switch (device_type) {
|
|
case 0:
|
|
context->device_ctx_.type = mindspore::lite::DT_CPU;
|
|
break;
|
|
case 1:
|
|
context->device_ctx_.type = mindspore::lite::DT_GPU;
|
|
break;
|
|
case 2:
|
|
context->device_ctx_.type = mindspore::lite::DT_NPU;
|
|
break;
|
|
default:
|
|
MS_LOGE("Invalid device_type : %d", device_type);
|
|
return (jlong)context;
|
|
}
|
|
switch (cpu_bind_mode) {
|
|
case -1:
|
|
context->cpu_bind_mode_ = mindspore::lite::MID_CPU;
|
|
break;
|
|
case 0:
|
|
context->cpu_bind_mode_ = mindspore::lite::NO_BIND;
|
|
break;
|
|
case 1:
|
|
context->cpu_bind_mode_ = mindspore::lite::HIGHER_CPU;
|
|
break;
|
|
default:
|
|
MS_LOGE("Invalid cpu_bind_mode : %d", cpu_bind_mode);
|
|
return (jlong)context;
|
|
}
|
|
context->thread_num_ = thread_num;
|
|
return (jlong)context;
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_com_mindspore_lite_context_Context_free(JNIEnv *env, jobject thiz,
|
|
jlong context_ptr) {
|
|
auto *pointer = reinterpret_cast<void *>(context_ptr);
|
|
if (pointer == nullptr) {
|
|
MS_LOGE("Context pointer from java is nullptr");
|
|
return;
|
|
}
|
|
auto *lite_context_ptr = static_cast<mindspore::lite::Context *>(pointer);
|
|
delete (lite_context_ptr);
|
|
}
|