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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 <tvm/runtime/c_runtime_api.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
|
|
||
| /*! \brief macro to do C API call */ | ||
| #define TVM_CCALL(func) \ | ||
| do { \ | ||
| int ret = (func); \ | ||
| if (ret != 0) { \ | ||
| fprintf(stderr, "%s: %d: error: %s\n", __FILE__, __LINE__, TVMGetLastError()); \ | ||
| exit(ret); \ | ||
| } \ | ||
| } while (0) | ||
|
|
||
| TVM_DLL void * tvm_runtime_create(const char * json_data, | ||
| const char * params_data, | ||
| const uint64_t params_size) { | ||
| int64_t device_type = kDLCPU; | ||
| int64_t device_id = 0; | ||
|
|
||
| TVMByteArray params; | ||
| params.data = params_data; | ||
| params.size = params_size; | ||
|
|
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| TVMContext ctx; | ||
| ctx.device_type = (DLDeviceType)device_type; | ||
| ctx.device_id = device_id; | ||
|
|
||
| // declare pointers | ||
| TVMModuleHandle (*SystemLibraryCreate)(); | ||
| TVMModuleHandle (*TVMGraphRuntimeCreate)(const char *, const TVMModuleHandle, const TVMContext *); | ||
| int (*TVMGraphRuntime_LoadParams)(TVMModuleHandle, const char *, const uint32_t); | ||
|
|
||
| // get pointers | ||
| TVM_CCALL(TVMFuncGetGlobal("runtime.SystemLib", (TVMFunctionHandle*)&SystemLibraryCreate)); | ||
| TVM_CCALL(TVMFuncGetGlobal("tvm.graph_runtime.create", (TVMFunctionHandle*)&TVMGraphRuntimeCreate)); | ||
|
|
||
| // run modules | ||
| TVMModuleHandle mod_syslib = SystemLibraryCreate(); | ||
| TVMModuleHandle mod = TVMGraphRuntimeCreate(json_data, mod_syslib, &ctx); | ||
| TVM_CCALL(TVMModGetFunction(mod, "load_params", 0, (TVMFunctionHandle*)&TVMGraphRuntime_LoadParams)); | ||
| TVMGraphRuntime_LoadParams(mod, params.data, params.size); | ||
|
|
||
| return mod; | ||
| } | ||
|
|
||
| TVM_DLL void tvm_runtime_destroy(void * runtime) { | ||
| void (*TVMGraphRuntimeRelease)(TVMModuleHandle *); | ||
| TVM_CCALL(TVMFuncGetGlobal("tvm.graph_runtime.release", (TVMFunctionHandle*)&TVMGraphRuntimeRelease)); | ||
| TVMGraphRuntimeRelease(&runtime); | ||
| } | ||
|
|
||
| TVM_DLL void tvm_runtime_set_input(void * runtime, const char * name, DLTensor * tensor) { | ||
| void (*TVMGraphRuntime_SetInput)(TVMModuleHandle, const char *, DLTensor*); | ||
| TVM_CCALL(TVMFuncGetGlobal("tvm.graph_runtime.set_input", (TVMFunctionHandle*)&TVMGraphRuntime_SetInput)); | ||
| TVMGraphRuntime_SetInput(runtime, name, tensor); | ||
| } | ||
|
|
||
| TVM_DLL void tvm_runtime_run(void * runtime) { | ||
| void (*TVMGraphRuntime_Run)(TVMModuleHandle runtime); | ||
| TVM_CCALL(TVMFuncGetGlobal("tvm.graph_runtime.run", (TVMFunctionHandle*)&TVMGraphRuntime_Run)); | ||
| TVMGraphRuntime_Run(runtime); | ||
| } | ||
|
|
||
| TVM_DLL void tvm_runtime_get_output(void * runtime, int32_t index, DLTensor * tensor) { | ||
| int (*TVMGraphRuntime_GetOutput)(TVMModuleHandle, const int32_t, DLTensor *); | ||
| TVM_CCALL(TVMFuncGetGlobal("tvm.graph_runtime.get_output", (TVMFunctionHandle*)&TVMGraphRuntime_GetOutput)); | ||
| TVMGraphRuntime_GetOutput(runtime, index, tensor); | ||
| } | ||
|
|
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