rocm-systems/projects/hip-tests/perftests/module/hipPerfModuleLoad.cpp

/*
Copyright (c) 2015 - 2021 Advanced Micro Devices, Inc. All rights reserved.
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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*/

/* HIT_START
 * BUILD_CMD: hipPerfModuleLoad %hc -I%S/../../src %S/%s %S/../../src/test_common.cpp -o %T/%t EXCLUDE_HIP_PLATFORM nvidia
 * TEST: %t
 * HIT_END
 */

#include "test_common.h"

#include <vector>
#include <unordered_map>
#include <fstream>
#include <unistd.h>
#include <chrono>

#ifdef __unix__

#include <dirent.h>

//List of Download files
std::unordered_map<std::string, bool> TL_contents {
  {"Kernels.so", true},
  {"TensileLibrary.yaml", true},
  {"TensileLibrary_gfx803.co", true},
  {"TensileLibrary_gfx900.co", true},
  {"TensileLibrary_gfx906.co", true},
  {"TensileLibrary_gfx908.co", true},
  {"kernel_names.txt", true}
};

bool GetDirectoryContents(std::unordered_map<std::string, bool>& dir_contents) {
  DIR* dir = nullptr;
  struct dirent* ent = nullptr;

  //Open Current Directory
  if ((dir = opendir(".")) == 0) {
    std::cout<<"Failed to open current working directory, check permissions"<<std::endl;
    return false;
  }

  // Read the contents of the directory
  while ((ent = readdir(dir)) != nullptr) {
    dir_contents.insert({ent->d_name, true});
  }

  closedir(dir);
  return true;
}

bool ContentsAvailable() {
  std::unordered_map<std::string, bool> dir_contents;

  //Get recent directory contents
  if(!GetDirectoryContents(dir_contents)) {
    std::cout<<"Failed to get directory Contents"<<std::endl;
    return false;
  }

  //If the Tensile Library content is not present, then fail
  for (auto& TL_elem : TL_contents) {
    if (dir_contents.end() == dir_contents.find(TL_elem.first)) {
      std::cout<<"Failed to find the Tensile Library file: "<<TL_elem.first<<std::endl;
      return false;
    }
  }
  return true;
}

bool DownloadContents() {
  //Download the contents from TC repo
  std::cout<<"Downloading conents .... "<<std::endl;
  std::string wget_str = "wget -nH -q -N -r -np -R \" index.html* \" --cut-dirs=3 ";
  wget_str += "http://ocltc-backup.amd.com/hiptest/TensileLibrary/";
  system(wget_str.c_str());

  return true;
}

bool PreProcessContents() {
  // If Contents already available no other action needed
  if (ContentsAvailable()) {
    std::cout<<"Contents already available"<<std::endl;
    return true;
  }

  // Download the TL(Tensile Library) contents from TC
  if (!DownloadContents()) {
    std::cout<<"Failed to download contents"<<std::endl;
    return false;
  }

  //Check if downloaded contents are available
  if (!ContentsAvailable()) {
    std::cout<<"Failed to find TL contents even after download in CWD"<<std::endl;
    return false;
  }

  return true;
}

//Get Tensile Library File name, changes wrt target
bool getTLFileName(int device_id, std::string& tlf_name) {
  hipDeviceProp_t props;
  HIPCHECK(hipGetDeviceProperties(&props, device_id));
  std::string archName = props.gcnArchName;
  if (archName.size() <= 3) {
    std::cout<<"ArchName too small, Exiting"<<std::endl;
    HIPASSERT(false);
  }
  archName = archName.substr(3, (archName.size()-1));

  tlf_name = "TensileLibrary_gfx" + archName;
  tlf_name += ".co";
  return true;
}

bool RunTest(int device_id) {

  std::cout<<"For Device: "<<device_id<<std::endl;

  //Get Tensile Library File name, changes wrt target
  std::string tlf_name;
  if (!getTLFileName(device_id, tlf_name)) {
    return false;
  }

  //Measure Time taken for hipModuleLoad
  hipModule_t Module;
  auto mload_clock_start = std::chrono::steady_clock::now();
  HIPCHECK(hipModuleLoad(&Module, tlf_name.c_str()));
  auto mload_clock_stop = std::chrono::steady_clock::now();
  std::chrono::duration<double, std::nano> mload_duration = (mload_clock_stop - mload_clock_start);
  std::cout<<"Time taken for hipModuleLoad : " <<std::chrono::duration_cast<std::chrono::nanoseconds>
    (mload_duration).count()<<" nanoseconds "<<std::endl;

  //Read kernels from a pre-populated text file
  std::string kernel_file_name = "kernel_names.txt";
  std::ifstream kernel_file(kernel_file_name);
  if (!kernel_file.is_open()) {
     std::cout<<"Failed to open Kernel File: "<<kernel_file_name<<std::endl;
     return false;
  }

  std::string kernel_line;
  std::vector<std::string> kernel_vec;
  while (std::getline(kernel_file, kernel_line)) {
    kernel_line.erase(std::remove(kernel_line.begin(), kernel_line.end(), '\r'),
                      kernel_line.end());
    kernel_vec.push_back(kernel_line);
  }

  //Measure the first hipModuleGetFunction
  hipFunction_t hfunc = nullptr;
  auto mgetf_clock_start = std::chrono::steady_clock::now();
  HIPCHECK(hipModuleGetFunction(&hfunc, Module, kernel_vec[0].c_str()));
  auto mgetf_clock_stop = std::chrono::steady_clock::now();
  std::chrono::duration<double, std::nano> mgetf_duration = (mgetf_clock_stop - mgetf_clock_start);
  std::cout<<"Time taken to fetch a function via hipModuleGetFunction : "
    <<std::chrono::duration_cast<std::chrono::nanoseconds>
    (mgetf_duration).count()<<" nanoseconds "<<std::endl;

  //Measure the second hipModuleGetFunction
  hfunc = nullptr;
  mgetf_clock_start = std::chrono::steady_clock::now();
  HIPCHECK(hipModuleGetFunction(&hfunc, Module, kernel_vec[0].c_str()));
  mgetf_clock_stop = std::chrono::steady_clock::now();
  mgetf_duration = (mgetf_clock_stop - mgetf_clock_start);
  std::cout<<"Time taken fetch the same function via hipModuleGetFunction : "
    <<std::chrono::duration_cast<std::chrono::nanoseconds>
    (mgetf_duration).count()<<" nanoseconds "<<std::endl;

  double all_duration = 0;
  for (auto& kernel : kernel_vec) {
    hfunc = nullptr;
    mgetf_clock_start = std::chrono::steady_clock::now();
    HIPCHECK(hipModuleGetFunction(&hfunc, Module, kernel.c_str()));
    mgetf_clock_stop = std::chrono::steady_clock::now();
    mgetf_duration = (mgetf_clock_stop - mgetf_clock_start);
    all_duration += mgetf_duration.count();
  }

  if (kernel_vec.size() > 0) {
    std::cout << "Time taken for Average hipModuleGetFunction : "
      << (static_cast<double>(all_duration) / static_cast<double>(kernel_vec.size()))<<" nanoseconds "<<std::endl;
  }

  std::cout<<std::endl<<std::endl;

  HIPCHECK(hipModuleUnload(Module));
  return true;
}
#endif //__unix__

int main() {
  bool test_passed = true;

  do {
#ifdef __unix__
    //Preprocess contents for the test
    if (!PreProcessContents()) {
      std::cout<<"Failed in PreProcessContents step"<<std::endl;
      test_passed = false;
      break;
    }

    //Run the test for all devices
    int num_devices = 0;
    HIPCHECK(hipGetDeviceCount(&num_devices));
    for (int dev_idx = 0; dev_idx < num_devices; ++dev_idx) {
      if (!RunTest(dev_idx)) {
        test_passed = false;
        break;
      }
    }
#else
    std::cout<<"Detected non-linux Os. Skipping the test"<<std::endl;
#endif // __unix__
  } while(0);

  if (test_passed) {
    passed();
  }

  return 0;
}