Add pipeline for NVHPC

.github/workflows/bvt-nvhpc.yml

@@ -0,0 +1,39 @@
+on:
+  workflow_call:
+    inputs:
+      branch:
+        type: string
+        required: false
+
+jobs:
+  bvt-nvhpc:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ inputs.branch }}
+
+    - name: install NVHPC 24.9
+      run: |
+        curl https://developer.download.nvidia.com/hpc-sdk/ubuntu/DEB-GPG-KEY-NVIDIA-HPC-SDK | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-hpcsdk-archive-keyring.gpg
+        echo 'deb [signed-by=/usr/share/keyrings/nvidia-hpcsdk-archive-keyring.gpg] https://developer.download.nvidia.com/hpc-sdk/ubuntu/amd64 /' | sudo tee /etc/apt/sources.list.d/nvhpc.list
+        sudo apt-get update -y
+        sudo apt-get install -y nvhpc-24-9
+
+    - name: build and run test with NVHPC 24.9
+      run: |
+        PATH=/opt/nvidia/hpc_sdk/Linux_x86_64/24.9/compilers/bin:$PATH; export PATH
+        cmake -B build-nv -DCMAKE_C_COMPILER=nvc -DCMAKE_CXX_COMPILER=nvc++ -DCMAKE_BUILD_TYPE=Release
+        cmake --build build-nv -j
+        ctest --test-dir build-nv -j
+
+    - name: run benchmarks
+      run: |
+        cd build-nv/benchmarks
+        ./msft_proxy_benchmarks --benchmark_min_warmup_time=0.1 --benchmark_min_time=0.1s --benchmark_repetitions=30 --benchmark_enable_random_interleaving=true --benchmark_report_aggregates_only=true --benchmark_format=json > benchmarking-results.json
+
+    - name: archive benchmarking results
+      uses: actions/upload-artifact@v4
+      with:
+        name: benchmarking-results-nvhpc
+        path: build-nv/benchmarks/benchmarking-results.json

.github/workflows/bvt-report.yml

@@ -26,7 +26,15 @@ jobs:
 
     - name: generate report
       run: |
-        tools/report_generator/build/report_generator tools/report_generator/report-config.json ${{ github.sha }} artifacts benchmarking-report.md
+        cat <<EOF > benchmarking-report.md
+        ## Benchmarking Report
+
+        - Generated for: [Microsoft "Proxy" library](https://github.com/microsoft/proxy)
+        - Commit ID: [${{ github.sha }}](https://github.com/microsoft/proxy/commit/${{ github.sha }})
+        - Generated at: $(date -u +"%Y-%m-%dT%H:%M:%SZ")
+
+        EOF
+        tools/report_generator/build/report_generator tools/report_generator/report-config.json
 
     - name: archive benchmarking report
       uses: actions/upload-artifact@v4

.github/workflows/pipeline-ci.yml

@@ -24,7 +24,11 @@ jobs:
     uses: ./.github/workflows/bvt-appleclang.yml
     name: Run BVT with AppleClang
 
+  run-bvt-nvhpc:
+    uses: ./.github/workflows/bvt-nvhpc.yml
+    name: Run BVT with NVHPC
+
   report:
     uses: ./.github/workflows/bvt-report.yml
     name: Generate report
-    needs: [run-bvt-gcc, run-bvt-clang, run-bvt-msvc, run-bvt-appleclang]
+    needs: [run-bvt-gcc, run-bvt-clang, run-bvt-msvc, run-bvt-appleclang, run-bvt-nvhpc]

.github/workflows/pipeline-release.yml

@@ -65,14 +65,21 @@ jobs:
     with:
       branch: release/${{ github.event.inputs.version }}
 
+  run-bvt-nvhpc:
+    needs: prepare-release
+    name: Run BVT with NVHPC
+    uses: ./.github/workflows/bvt-nvhpc.yml
+    with:
+      branch: release/${{ github.event.inputs.version }}
+
   report:
     uses: ./.github/workflows/bvt-report.yml
     name: Generate report
-    needs: [run-bvt-gcc, run-bvt-clang, run-bvt-msvc, run-bvt-appleclang]
+    needs: [run-bvt-gcc, run-bvt-clang, run-bvt-msvc, run-bvt-appleclang, run-bvt-nvhpc]
 
   draft-release:
     runs-on: windows-latest
-    needs: [run-bvt-gcc, run-bvt-clang, run-bvt-msvc, run-bvt-appleclang]
+    needs: report
     steps:
     - uses: actions/checkout@v3
       with:

README.md

@@ -164,11 +164,12 @@ The "Proxy" library is a self-contained solution for runtime polymorphism in C++
 
 ## <a name="compiler-req">Minimum Requirements for Compilers</a>
 
-| Family | Minimum version | Required flags |
-| ------ | --------------- | -------------- |
-| clang  | 15.0.0          | -std=c++20     |
-| gcc    | 11.2            | -std=c++20     |
-| MSVC   | 19.30           | /std:c++20     |
+| Family     | Minimum version | Required flags |
+| ---------- | --------------- | -------------- |
+| GCC        | 11.2            | -std=c++20     |
+| Clang      | 15.0.0          | -std=c++20     |
+| MSVC       | 19.30           | /std:c++20     |
+| NVIDIA HPC | 24.1            | -std=c++20     |
 
 ## Build and Run Tests with CMake
 
@@ -182,9 +183,10 @@ ctest --test-dir build -j
 
 ## Related Resources
 
+- November, 2024: [Analyzing the Performance of the “Proxy” Library](https://devblogs.microsoft.com/cppblog/analyzing-the-performance-of-the-proxy-library/)
+- September, 2024: [Announcing the Proxy 3 Library for Dynamic Polymorphism](https://devblogs.microsoft.com/cppblog/announcing-the-proxy-3-library-for-dynamic-polymorphism/)
 - April, 2024: [Published ISO C++ proposal P3086R2: Proxy: A Pointer-Semantics-Based Polymorphism Library](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p3086r2.pdf)
 - August, 2022: [proxy: Runtime Polymorphism Made Easier Than Ever](https://devblogs.microsoft.com/cppblog/proxy-runtime-polymorphism-made-easier-than-ever/)
-- September, 2024: [Announcing the Proxy 3 Library for Dynamic Polymorphism](https://devblogs.microsoft.com/cppblog/announcing-the-proxy-3-library-for-dynamic-polymorphism/)
 
 ## Contributing
 

tools/report_generator/main.cpp

@@ -2,7 +2,6 @@
 // Licensed under the MIT License.
 
 #include <cstdio>
-#include <chrono>
 #include <filesystem>
 #include <format>
 #include <fstream>
@@ -15,19 +14,19 @@
 #include <nlohmann/json.hpp>
 
 struct EnvironmentInfo {
-  std::string Name;
   std::string Description;
+  std::string Path;
 
   friend void to_json(nlohmann::json& j, const EnvironmentInfo& e) {
     j = nlohmann::json{
-        {"Name", e.Name},
-        {"Description", e.Description}
+        {"Description", e.Description},
+        {"Path", e.Path}
     };
   }
 
   friend void from_json(const nlohmann::json& j, EnvironmentInfo& e) {
-    j.at("Name").get_to(e.Name);
     j.at("Description").get_to(e.Description);
+    j.at("Path").get_to(e.Path);
   }
 };
 
@@ -54,13 +53,15 @@ struct MetricInfo {
 struct ReportConfig {
   std::string TargetName;
   double YellowIndicatorThreshold;
+  std::string OutputPath;
   std::vector<EnvironmentInfo> Environments;
   std::vector<MetricInfo> Metrics;
 
   friend void to_json(nlohmann::json& j, const ReportConfig& rc) {
     j = nlohmann::json{
         {"TargetName", rc.TargetName},
         {"YellowIndicatorThreshold", rc.YellowIndicatorThreshold},
+        {"OutputPath", rc.OutputPath},
         {"Environments", rc.Environments},
         {"Metrics", rc.Metrics}
     };
@@ -69,6 +70,7 @@ struct ReportConfig {
   friend void from_json(const nlohmann::json& j, ReportConfig& rc) {
     j.at("TargetName").get_to(rc.TargetName);
     j.at("YellowIndicatorThreshold").get_to(rc.YellowIndicatorThreshold);
+    j.at("OutputPath").get_to(rc.OutputPath);
     j.at("Environments").get_to(rc.Environments);
     j.at("Metrics").get_to(rc.Metrics);
   }
@@ -96,7 +98,7 @@ std::unordered_map<std::string, double> Parse(const std::filesystem::path& file)
   return result;
 }
 
-void GenerateReport(const std::filesystem::path& config_path, const std::string& commit_id, const std::filesystem::path& source, const std::filesystem::path& output) {
+void GenerateReport(const std::filesystem::path& config_path) {
   ReportConfig config;
   {
     nlohmann::json obj;
@@ -109,17 +111,11 @@ void GenerateReport(const std::filesystem::path& config_path, const std::string&
   std::vector<std::unordered_map<std::string, double>> benchmarks;
   benchmarks.reserve(config.Environments.size());
   for (auto& environment : config.Environments) {
-    benchmarks.push_back(Parse(source / std::format("benchmarking-results-{}", environment.Name) / "benchmarking-results.json"));
+    benchmarks.push_back(Parse(environment.Path));
   }
   std::ofstream out;
   out.exceptions(std::ios_base::failbit | std::ios_base::badbit);
-  out.open(output, std::ios_base::out | std::ios_base::trunc | std::ios_base::binary);
-  out << "## Benchmarking Report\n";
-  out << "\n";
-  out << "- Generated for: [Microsoft \"Proxy\" library](https://github.com/microsoft/proxy)\n";
-  out << "- Commit ID: [" << commit_id << "](https://github.com/microsoft/proxy/commit/" << commit_id << ")\n";
-  out << "- Generated at: " << std::format("{:%FT%TZ}", std::chrono::utc_clock::now()) << "\n";
-  out << "\n";
+  out.open(config.OutputPath, std::ios_base::out | std::ios_base::app | std::ios_base::binary);
   out << "| |";
   for (auto& environment : config.Environments) {
     out << " " << environment.Description << " |";
@@ -162,12 +158,12 @@ void GenerateReport(const std::filesystem::path& config_path, const std::string&
 }
 
 int main(int argc, char** argv) {
-  if (argc != 5) {
-    puts("Usage: report_generator <config file path> <commit ID> <benchmarking results directory> <output file path>");
+  if (argc != 2) {
+    puts("Usage: report_generator <config file path>");
     return 0;
   }
   try {
-    GenerateReport(argv[1], argv[2], argv[3], argv[4]);
+    GenerateReport(argv[1]);
   } catch (const std::exception& e) {
     fprintf(stderr, "An error occurred: %s\n", e.what());
     return 1;

tools/report_generator/report-config.json

@@ -1,22 +1,27 @@
 {
   "TargetName": "`proxy`",
   "YellowIndicatorThreshold": 5.0,
+  "OutputPath": "benchmarking-report.md",
   "Environments": [
     {
-      "Name": "msvc",
-      "Description": "MSVC on Windows Server 2022 (x64)"
+      "Description": "MSVC on Windows Server 2022 (x64)",
+      "Path": "artifacts/benchmarking-results-msvc/benchmarking-results.json"
     },
     {
-      "Name": "gcc",
-      "Description": "GCC on Ubuntu 24.04 (x64)"
+      "Description": "GCC on Ubuntu 24.04 (x64)",
+      "Path": "artifacts/benchmarking-results-gcc/benchmarking-results.json"
     },
     {
-      "Name": "clang",
-      "Description": "Clang on Ubuntu 24.04 (x64)"
+      "Description": "Clang on Ubuntu 24.04 (x64)",
+      "Path": "artifacts/benchmarking-results-clang/benchmarking-results.json"
     },
     {
-      "Name": "appleclang",
-      "Description": "Apple Clang on macOS 15 (ARM64)"
+      "Description": "Apple Clang on macOS 15 (ARM64)",
+      "Path": "artifacts/benchmarking-results-appleclang/benchmarking-results.json"
+    },
+    {
+      "Description": "Nvidia HPC on Ubuntu 24.04 (x64)",
+      "Path": "artifacts/benchmarking-results-nvhpc/benchmarking-results.json"
     }
   ],
   "Metrics": [