enable gcc pgo build profile (#300)

vshcherbyna · web-flow · commit a4be1e4e774b · 2024-10-14T01:10:32.000+01:00
bench: 1217611
diff --git a/.github/workflows/build-linux-pgo.yml b/.github/workflows/build-linux-pgo.yml
@@ -0,0 +1,40 @@
+name: Igel Linux Build PGO
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+  workflow_dispatch:  # Allow manual triggering of the workflow
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Install GCC versions
+      run: |
+        sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+        sudo apt-get update
+        sudo apt-get install -y gcc-12 g++-12 gcc-13 g++-13
+
+    - name: Set GCC version
+      run: |
+        # Set GCC 14 as the default version
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 60
+        sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 60
+
+    - name: Build the PGO build
+      run: cd src&&make pgo
+
+    - name: Run the bench
+      run: cd src&&./igel bench
diff --git a/src/main.cpp b/src/main.cpp
@@ -46,8 +46,8 @@ int main(int argc, const char* argv[])
 
     Uci handler(*searcher.get());
 
-    if (argc == 2 && !strcmp(argv[1], "bench"))
-        return handler.onBench();
+    if (!strcmp(argv[1], "bench"))
+        return handler.onBench(argv[2]);
     else
         return handler.handleCommands();
 }
diff --git a/src/makefile b/src/makefile
@@ -31,5 +31,15 @@ endif
 
 CFLAGS = $(WARN) $(LIBS) $(OPTIM) $(NNFLAGS)
 
+pgo: download-network
+	$(CC) $(CFLAGS) $(SRC) $(DEFS) -fprofile-generate=pgo -o $(EXE)
+	./$(EXE) bench 13 > pgo.out 2>&1
+	$(CC) $(CFLAGS) $(SRC) $(DEFS) -fprofile-use=pgo -o $(EXE)
+	@rm -rf pgo pgo.out weights
+
 basic:
 	$(CC) $(CFLAGS) $(SRC) $(DEFS) -o $(EXE)
+
+download-network:
+	mkdir weights; \
+	echo "Downloading latest Igel network with wget"; wget -P weights https://github.com/vshcherbyna/igel/releases/download/3.5.0/c049c117;
diff --git a/src/uci.cpp b/src/uci.cpp
@@ -212,10 +212,13 @@ static const char* benchmarkPositions[] = {
     ""
 };
 
-int Uci::onBench()
+int Uci::onBench(const char * depth)
 {
     std::cout << "Running benchmark" << std::endl;
 
+    if (!depth)
+        depth = "10";
+
     auto & time = Time::instance();
 
     if (!TTable::instance().setHashSize(16, 1)) {
@@ -229,7 +232,7 @@ int Uci::onBench()
 
     uint64_t sumNodes = 0;
     auto start = GetProcTime();
-    commandParams p = { "go", "depth", "10" };
+    commandParams p = { "go", "depth", depth };
 
     for (auto i = 0; strcmp(benchmarkPositions[i], ""); i++) {
         if (!m_searcher.m_position.SetFEN(benchmarkPositions[i]))
diff --git a/src/uci.h b/src/uci.h
@@ -54,7 +54,7 @@ class Uci
 
 public:
     int handleCommands();
-    int onBench();
+    int onBench(const char* depth);
     static commandParams split(const std::string & s, const std::string & sep = " ");
 
 private:

Original file line number	Diff line number	Diff line change
`@@ -46,8 +46,8 @@ int main(int argc, const char* argv[])`
`46`	`46`
`47`	`47`	`Uci handler(*searcher.get());`
`48`	`48`
`49`		`- if (argc == 2 && !strcmp(argv[1], "bench"))`
`50`		`- return handler.onBench();`
	`49`	`+ if (!strcmp(argv[1], "bench"))`
	`50`	`+ return handler.onBench(argv[2]);`
`51`	`51`	`else`
`52`	`52`	`return handler.handleCommands();`
`53`	`53`	`}`