| /* |
| * 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 <assert.h> |
| #include <dlfcn.h> //dlopen |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <tvm/runtime/c_runtime_api.h> |
| |
| #include <iostream> |
| #include <random> |
| #include <vector> |
| |
| template <typename F> |
| auto getFunc(void* bundle, const char* name) { |
| dlerror(); |
| auto* f = reinterpret_cast<typename std::add_pointer<F>::type>(dlsym(bundle, name)); |
| assert(!dlerror()); |
| return f; |
| } |
| |
| char* read_all_or_die(const char* name, const char* file_path, size_t* out_size) { |
| struct stat st; |
| if (stat(file_path, &st)) { |
| char err[1024]; |
| snprintf(err, sizeof(err), "%s: statting file", name); |
| perror(err); |
| abort(); |
| } |
| if (st.st_size > 1024 * 1024) { |
| std::cerr << name << ": file is over 1MB limit: " << st.st_size << " bytes" << std::endl; |
| abort(); |
| } |
| |
| if (out_size != nullptr) { |
| *out_size = st.st_size; |
| } |
| |
| char* data = (char*)malloc(st.st_size); |
| FILE* fp = fopen(file_path, "rb"); |
| size_t bytes_to_read = st.st_size; |
| size_t bytes_read = 0; |
| while (bytes_read < bytes_to_read) { |
| size_t this_round = fread(data, 1, st.st_size, fp); |
| if (this_round == 0) { |
| if (ferror(fp)) { |
| char err[1024]; |
| snprintf(err, sizeof(err), "%s: error during read", name); |
| perror(err); |
| } else if (feof(fp)) { |
| std::cerr << name << ": file is shorter than its stat size (" << bytes_read << " v " |
| << st.st_size << ")" << std::endl; |
| } else { |
| std::cerr << name << ": fread stopped returning data" << std::endl; |
| } |
| abort(); |
| } |
| bytes_read += this_round; |
| } |
| |
| fclose(fp); |
| return data; |
| } |
| |
| int main(int argc, char** argv) { |
| assert(argc == 6 && "Usage: test <bundle.so> <data.bin> <output.bin> <graph.json> <params.bin>"); |
| auto* bundle = dlopen(argv[1], RTLD_LAZY | RTLD_LOCAL); |
| assert(bundle); |
| |
| char* json_data; |
| char* params_data; |
| size_t params_size; |
| |
| json_data = read_all_or_die("json_data", argv[4], nullptr); |
| params_data = read_all_or_die("params_data", argv[5], ¶ms_size); |
| |
| struct timeval t0, t1, t2, t3, t4, t5; |
| gettimeofday(&t0, 0); |
| |
| auto* handle = getFunc<void*(char*, char*, int)>(bundle, "tvm_runtime_create")( |
| json_data, params_data, params_size); |
| gettimeofday(&t1, 0); |
| |
| size_t input_storage_size; |
| float* input_storage = |
| reinterpret_cast<float*>(read_all_or_die("input_storage", argv[2], &input_storage_size)); |
| size_t result_storage_size; |
| float* result_storage = |
| reinterpret_cast<float*>(read_all_or_die("result_storage", argv[3], &result_storage_size)); |
| |
| size_t expected_size = 10 * 5 * sizeof(float); |
| if (input_storage_size != expected_size || result_storage_size != expected_size) { |
| std::cerr << "wrong input or result storage size (want " << expected_size |
| << "input_storage_size=" << input_storage_size |
| << "; result_storage_size=" << result_storage_size << std::endl; |
| } |
| |
| std::vector<int64_t> input_shape = {10, 5}; |
| DLTensor input; |
| input.data = input_storage; |
| input.ctx = DLContext{kDLCPU, 0}; |
| input.ndim = 2; |
| input.dtype = DLDataType{kDLFloat, 32, 1}; |
| input.shape = input_shape.data(); |
| input.strides = nullptr; |
| input.byte_offset = 0; |
| |
| getFunc<void(void*, const char*, void*)>(bundle, "tvm_runtime_set_input")(handle, "x", &input); |
| gettimeofday(&t2, 0); |
| |
| auto* ftvm_runtime_run = (auto (*)(void*)->void)dlsym(bundle, "tvm_runtime_run"); |
| assert(!dlerror()); |
| ftvm_runtime_run(handle); |
| gettimeofday(&t3, 0); |
| |
| float output_storage[10 * 5]; |
| std::vector<int64_t> output_shape = {10, 5}; |
| DLTensor output; |
| output.data = output_storage; |
| output.ctx = DLContext{kDLCPU, 0}; |
| output.ndim = 2; |
| output.dtype = DLDataType{kDLFloat, 32, 1}; |
| output.shape = output_shape.data(); |
| output.strides = nullptr; |
| output.byte_offset = 0; |
| |
| getFunc<void(void*, int, void*)>(bundle, "tvm_runtime_get_output")(handle, 0, &output); |
| gettimeofday(&t4, 0); |
| |
| for (auto i = 0; i < 10 * 5; ++i) { |
| assert(fabs(output_storage[i] - result_storage[i]) < 1e-5f); |
| if (fabs(output_storage[i] - result_storage[i]) >= 1e-5f) { |
| printf("got %f, expected %f\n", output_storage[i], result_storage[i]); |
| } |
| } |
| |
| getFunc<void(void*)>(bundle, "tvm_runtime_destroy")(handle); |
| gettimeofday(&t5, 0); |
| |
| printf( |
| "timing: %.2f ms (create), %.2f ms (set_input), %.2f ms (run), " |
| "%.2f ms (get_output), %.2f ms (destroy)\n", |
| (t1.tv_sec - t0.tv_sec) * 1000.0f + (t1.tv_usec - t0.tv_usec) / 1000.f, |
| (t2.tv_sec - t1.tv_sec) * 1000.0f + (t2.tv_usec - t1.tv_usec) / 1000.f, |
| (t3.tv_sec - t2.tv_sec) * 1000.0f + (t3.tv_usec - t2.tv_usec) / 1000.f, |
| (t4.tv_sec - t3.tv_sec) * 1000.0f + (t4.tv_usec - t3.tv_usec) / 1000.f, |
| (t5.tv_sec - t4.tv_sec) * 1000.0f + (t5.tv_usec - t4.tv_usec) / 1000.f); |
| |
| free(json_data); |
| free(params_data); |
| dlclose(bundle); |
| |
| return 0; |
| } |