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#!/bin/bash
# Copyright (c) 2025, Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause
set -euo pipefail
DEFAULT_TARGETS="avx512skx-x4 avx512skx-x8 avx512skx-x16 avx512skx-x32 avx512skx-x64 avx512icl-x4 avx512icl-x8 avx512icl-x16 avx512icl-x32 avx512icl-x64"
show_usage() {
cat <<EOF
Usage: $0 [BASE_SHA] [PEAK_SHA] [BUILD_TARGETS]
Build ISPC benchmarks for performance comparison between two commits.
ARGUMENTS:
BASE_SHA Base commit SHA for comparison (default: HEAD^)
PEAK_SHA Peak commit SHA for comparison (default: HEAD)
BUILD_TARGETS Space-separated list of ISPC targets (default: all AVX-512 targets)
DEFAULT TARGETS:
$DEFAULT_TARGETS
EXAMPLES:
$0 # Compare HEAD^ vs HEAD with default targets
$0 abc123 def456 # Compare specific commits with default targets
$0 HEAD~5 HEAD "avx2-i32x8 avx512skx-x16" # Compare commits with custom targets
The script will:
1. Check out PEAK_SHA and build benchmarks for each target
2. Check out BASE_SHA and build benchmarks for each target
3. Create separate build directories for each target/version combination
Build directories will be named: {target}-peak and {target}-base
EOF
}
if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
show_usage
exit 0
fi
BASE_SHA="${1:-HEAD^}"
PEAK_SHA="${2:-HEAD}"
BUILD_TARGETS="${3:-$DEFAULT_TARGETS}"
echo "Building benchmarks for ISPC with base SHA: $BASE_SHA and peak SHA: $PEAK_SHA"
echo "Targets: $BUILD_TARGETS"
# Convert space-separated targets to array
IFS=' ' read -ra TARGET_ARRAY <<< "$BUILD_TARGETS"
# Build peak version for each target
echo "Checking out peak SHA: $PEAK_SHA"
git checkout "$PEAK_SHA"
for target in "${TARGET_ARRAY[@]}"; do
echo "Building peak version for target: $target"
BUILD_DIR="${target}-peak"
LOG_FILE="${target}-peak.build.log"
rm -rf "$BUILD_DIR"
cmake ../ -G Ninja \
-DISPC_SLIM_BINARY=ON \
-DISPC_INCLUDE_EXAMPLES=OFF \
-DISPC_INCLUDE_RT=OFF \
-DISPC_INCLUDE_UTILS=OFF \
-DISPC_INCLUDE_TESTS=OFF \
-DISPC_INCLUDE_BENCHMARKS=ON \
-DARM_ENABLED=OFF \
-B "$BUILD_DIR" \
-DBENCHMARKS_ISPC_FLAGS="-O3 -woff" \
-DBENCHMARKS_ISPC_TARGETS="$target"
echo ""
echo "Build phase:"
echo "============"
cmake --build "$BUILD_DIR"
done
# Build base version for each target
echo "Checking out base SHA: $BASE_SHA"
git checkout "$BASE_SHA"
for target in "${TARGET_ARRAY[@]}"; do
echo "Building base version for target: $target"
BUILD_DIR="${target}-base"
rm -rf "$BUILD_DIR"
cmake ../ -G Ninja \
-DISPC_SLIM_BINARY=ON \
-DISPC_INCLUDE_EXAMPLES=OFF \
-DISPC_INCLUDE_RT=OFF \
-DISPC_INCLUDE_UTILS=OFF \
-DISPC_INCLUDE_TESTS=OFF \
-DISPC_INCLUDE_BENCHMARKS=ON \
-DARM_ENABLED=OFF \
-B "$BUILD_DIR" \
-DBENCHMARKS_ISPC_FLAGS="-O3 -woff" \
-DBENCHMARKS_ISPC_TARGETS="$target"
echo ""
echo "Build phase:"
echo "============"
cmake --build "$BUILD_DIR"
done
echo "Build completed for all targets: $BUILD_TARGETS"
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