initial benchmark with too similar histograms

bench.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Function to measure build time
+measure_build_time() {
+  local linker=$1
+  local build_dir=$2
+  local max_cores=$3
+  local results_file="$results_dir/${linker}_${max_cores}_cores.txt"
+  
+  # Remove the build directory
+  rm -rf "$build_dir"
+  
+  # Create build directory
+  mkdir -p "$build_dir"
+  
+  echo "Configuring with $tool..."
+  cmake -S /home/azureuser/buildbench/torch-mlir -B "$build_dir" \
+    -DLLVM_ENABLE_PROJECTS=mlir \
+    -DLLVM_EXTERNAL_PROJECTS="torch-mlir" \
+    -DLLVM_EXTERNAL_TORCH_MLIR_SOURCE_DIR="/home/azureuser/buildbench/torch-mlir" \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DLLVM_ENABLE_PROJECTS=mlir \
+    -DLLVM_EXTERNAL_PROJECTS=torch-mlir;torch-mlir-dialects \
+    -DLLVM_EXTERNAL_TORCH_MLIR_SOURCE_DIR=${workspaceFolder} \
+    -DLLVM_EXTERNAL_TORCH_MLIR_DIALECTS_SOURCE_DIR=${workspaceFolder}/externals/llvm-external-projects/torch-mlir-dialects \
+    -DMLIR_ENABLE_BINDINGS_PYTHON=ON \
+    -DLLVM_ENABLE_ASSERTIONS=ON \
+    -DLLVM_TARGETS_TO_BUILD=host \
+    -DCMAKE_C_COMPILER=clang \
+    -DCMAKE_CXX_COMPILER=clang++ \
+    -DCMAKE_EXE_LINKER_FLAGS_INIT="$flags" \
+    -DCMAKE_MODULE_LINKER_FLAGS_INIT="$flags" \
+    -DCMAKE_SHARED_LINKER_FLAGS_INIT="$flags" \
+    -DLIBTORCH_CACHE=ON \
+    -DLIBTORCH_SRC_BUILD=ON \
+    -DLIBTORCH_VARIANT=shared \
+    -G Ninja
+  
+  local start_time=$(date +%s)
+  cmake --build $build_dir --config Debug -- -j $max_cores
+  local end_time=$(date +%s)
+  local build_time=$((end_time - start_time))
+  echo "Build time with $linker ($max_cores cores): $build_time seconds" | tee -a "$results_file"
+}
+
+# Create results directory
+results_dir="/home/azureuser/buildbench/torch-mlir/benchmark_results"
+mkdir -p "$results_dir"
+
+# Define build tools and their corresponding flags
+build_tools=(
+  "LLD   --ld-path=lld"
+  "MOLD  --ld-path=mold"
+  "LD    "
+)
+
+# Iterate through build tools
+for tool_entry in "${build_tools[@]}"; do
+  IFS=' ' read -r tool flags <<< "$tool_entry"
+  build_dir="/home/azureuser/buildbench/torch-mlir/build-$tool"
+  
+  # Benchmark build with the current tool
+  for cores in 1 2 4 8 16; do
+    measure_build_time "$tool" "$build_dir" $cores
+  done
+done