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feat(ra)进行不同版本的性能比较

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feature/ra
mxr 4 days ago
parent 8ece3ac163
commit e73f7cc871
2 changed files with 466 additions and 1 deletions
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.gitignore vendored
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@ -74,4 +74,5 @@ test/test_result/
# =========================
result.txt
build.sh
gdb.sh
gdb.sh
compare_result/

464
scripts/compare_ra.sh
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@ -0,0 +1,464 @@
#!/usr/bin/env bash
# compare_ra.sh — 对比寄存器分配（新版）与旧版编译器的汇编质量和运行性能
#
# 用法:
# ./scripts/compare_ra.sh --old feature/mir # 对比 feature/mir 分支
# ./scripts/compare_ra.sh --old 70234dd # 对比指定 commit
# ./scripts/compare_ra.sh --old feature/mir --tests performance # 仅性能测试
# ./scripts/compare_ra.sh --old feature/mir --mode asm # 仅对比汇编
# ./scripts/compare_ra.sh --old path/to/old/compiler --no-build # 使用已构建的旧编译器
#
# 输出: 终端表格 + compare_result/ 目录下的详细文件
set -euo pipefail
# ========== 参数解析 ==========
OLD_REF=""
MODE="all" # asm | run | all
TEST_SET="all" # functional | performance | all
NO_BUILD=false
OLD_COMPILER_PATH=""
NEW_COMPILER_PATH="./build/bin/compiler"
WORKTREE_DIR=""
KEEP_WORKTREE=false
usage() {
echo "用法: $0 --old <branch|commit|path> [选项]"
echo ""
echo "必选:"
echo " --old <ref> 对比基线：git 分支名、commit hash、或旧编译器路径"
echo ""
echo "可选:"
echo " --mode <mode> 对比模式: asm (仅汇编) | run (仅运行) | all (默认)"
echo " --tests <set> 测试集: functional | performance | all (默认)"
echo " --no-build 旧编译器已构建好，--old 指向编译器可执行文件路径"
echo " --keep-worktree 保留旧的 git worktree（默认会删除）"
echo ""
echo "示例:"
echo " $0 --old feature/mir # 对比 feature/mir 分支"
echo " $0 --old 70234dd # 对比特定 commit"
echo " $0 --old feature/mir --tests performance --mode run # 仅对比性能测试的运行时间"
echo " $0 --old /tmp/old-compiler --no-build # 使用预构建的旧编译器"
exit 1
}
while [[ $# -gt 0 ]]; do
case "$1" in
--old) OLD_REF="$2"; shift 2 ;;
--mode) MODE="$2"; shift 2 ;;
--tests) TEST_SET="$2"; shift 2 ;;
--no-build) NO_BUILD=true; shift ;;
--keep-worktree) KEEP_WORKTREE=true; shift ;;
*) echo "未知参数: $1"; usage ;;
esac
done
if [[ -z "$OLD_REF" ]]; then
echo "错误: 必须指定 --old"
usage
fi
# ========== 路径设置 ==========
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
RESULT_DIR="$PROJECT_DIR/compare_result"
OLD_BUILD_DIR=""
OLD_COMPILER=""
rm -rf "$RESULT_DIR"
mkdir -p "$RESULT_DIR"
# ========== 构建旧版编译器 ==========
setup_old_compiler() {
if [[ "$NO_BUILD" == true ]]; then
# 用户直接提供编译器路径
if [[ ! -x "$OLD_REF" ]]; then
echo "错误: 旧编译器路径不存在或不可执行: $OLD_REF"
exit 1
fi
OLD_COMPILER="$(realpath "$OLD_REF")"
echo "使用预构建旧编译器: $OLD_COMPILER"
return
fi
# 检查是否是 git ref
if ! git rev-parse --verify "$OLD_REF" >/dev/null 2>&1; then
echo "错误: '$OLD_REF' 不是有效的 git 引用（分支/commit），或使用 --no-build 指定编译器路径"
exit 1
fi
WORKTREE_DIR="$PROJECT_DIR/.worktree-old-$(echo "$OLD_REF" | tr '/' '-')"
OLD_BUILD_DIR="$WORKTREE_DIR/build"
echo "=== 准备旧版编译器 ==="
echo "Git 引用: $OLD_REF"
echo "Worktree: $WORKTREE_DIR"
# 清理已有的 worktree
if [[ -d "$WORKTREE_DIR" ]]; then
echo "移除已有 worktree..."
git worktree remove --force "$WORKTREE_DIR" 2>/dev/null || rm -rf "$WORKTREE_DIR"
fi
git worktree add "$WORKTREE_DIR" "$OLD_REF"
echo "Worktree 已创建: $WORKTREE_DIR"
# 生成 ANTLR 语法分析器
echo "生成 ANTLR 语法分析器..."
java -jar "$WORKTREE_DIR/third_party/antlr-4.13.2-complete.jar" \
-Dlanguage=Cpp \
-visitor -no-listener \
-Xexact-output-dir \
-o "$OLD_BUILD_DIR/generated/antlr4" \
"$WORKTREE_DIR/src/antlr4/SysY.g4" > "$RESULT_DIR/build_old.log" 2>&1 || {
echo "错误: ANTLR 生成失败，日志:"
tail -20 "$RESULT_DIR/build_old.log"
exit 1
}
# 构建
echo "构建旧版编译器..."
cmake -S "$WORKTREE_DIR" -B "$OLD_BUILD_DIR" -DCMAKE_BUILD_TYPE=Release >> "$RESULT_DIR/build_old.log" 2>&1 || {
echo "错误: 旧版 cmake 配置失败，日志:"
tail -20 "$RESULT_DIR/build_old.log"
exit 1
}
cmake --build "$OLD_BUILD_DIR" -j"$(nproc 2>/dev/null || echo 4)" >> "$RESULT_DIR/build_old.log" 2>&1 || {
echo "错误: 旧版构建失败，日志:"
tail -30 "$RESULT_DIR/build_old.log"
exit 1
}
OLD_COMPILER="$OLD_BUILD_DIR/bin/compiler"
if [[ ! -x "$OLD_COMPILER" ]]; then
echo "错误: 旧编译器未生成: $OLD_COMPILER"
exit 1
fi
echo "旧编译器已构建: $OLD_COMPILER"
}
# ========== 确保新版编译器存在 ==========
setup_new_compiler() {
if [[ ! -x "$NEW_COMPILER_PATH" ]]; then
echo "错误: 新编译器不存在，请先构建: cmake -B build && cmake --build build -j"
exit 1
fi
NEW_COMPILER="$(realpath "$NEW_COMPILER_PATH")"
echo "新版编译器: $NEW_COMPILER"
}
# ========== 工具检查 ==========
check_tools() {
if [[ "$NO_BUILD" == false ]]; then
if ! command -v java >/dev/null 2>&1; then
echo "错误: 未找到 java，构建时需要 ANTLR 生成语法分析器"
exit 1
fi
fi
if ! command -v aarch64-linux-gnu-gcc >/dev/null 2>&1; then
echo "警告: 未找到 aarch64-linux-gnu-gcc，汇编模式可用但运行模式不可用"
fi
if [[ "$MODE" == "run" || "$MODE" == "all" ]]; then
if ! command -v qemu-aarch64 >/dev/null 2>&1; then
echo "错误: 未找到 qemu-aarch64，无法运行测试"
echo " apt install qemu-user (Ubuntu/Debian)"
exit 1
fi
if ! command -v aarch64-linux-gnu-gcc >/dev/null 2>&1; then
echo "错误: 未找到 aarch64-linux-gnu-gcc，无法链接可执行文件"
exit 1
fi
fi
}
# ========== 获取测试列表 ==========
get_tests() {
local test_dir="$PROJECT_DIR/test/test_case"
local tests=()
if [[ "$TEST_SET" == "functional" || "$TEST_SET" == "all" ]]; then
for f in "$test_dir/functional"/*.sy; do
[[ -f "$f" ]] && tests+=("$f")
done
fi
if [[ "$TEST_SET" == "performance" || "$TEST_SET" == "all" ]]; then
for f in "$test_dir/performance"/*.sy; do
[[ -f "$f" ]] && tests+=("$f")
done
fi
if [[ ${#tests[@]} -eq 0 ]]; then
echo "错误: 没有找到测试用例"
exit 1
fi
printf '%s\n' "${tests[@]}"
}
# ========== 汇编对比 ==========
compare_asm() {
local test_file="$1"
local stem; stem=$(basename "$test_file" .sy)
local test_dir; test_dir=$(dirname "$test_file")
local old_asm="$RESULT_DIR/asm/$stem.old.s"
local new_asm="$RESULT_DIR/asm/$stem.new.s"
mkdir -p "$RESULT_DIR/asm"
"$OLD_COMPILER" --emit-asm "$test_file" > "$old_asm" 2>/dev/null || {
echo "OLD_BUILD_FAIL" > "$RESULT_DIR/asm/$stem.result"
return
}
"$NEW_COMPILER" --emit-asm "$test_file" > "$new_asm" 2>/dev/null || {
echo "NEW_BUILD_FAIL" > "$RESULT_DIR/asm/$stem.result"
return
}
# 统计指令数（排除标签行、伪指令行、空行）
local old_inst new_inst old_mem new_mem old_branches new_branches
old_inst=$(grep -cE '^\s+\w+\s' "$old_asm" 2>/dev/null || echo 0)
new_inst=$(grep -cE '^\s+\w+\s' "$new_asm" 2>/dev/null || echo 0)
old_mem=$(grep -cE '\b(ldr|str|ldur|stur|ldp|stp)\b' "$old_asm" 2>/dev/null || echo 0)
new_mem=$(grep -cE '\b(ldr|str|ldur|stur|ldp|stp)\b' "$new_asm" 2>/dev/null || echo 0)
old_branches=$(grep -cE '\bb(|\.\w+)\s' "$old_asm" 2>/dev/null || echo 0)
new_branches=$(grep -cE '\bb(|\.\w+)\s' "$new_asm" 2>/dev/null || echo 0)
# 计算变化百分比
local inst_pct mem_pct
if [[ "$old_inst" -gt 0 ]]; then
inst_pct=$(echo "scale=1; ($new_inst - $old_inst) * 100 / $old_inst" | bc 2>/dev/null || echo "N/A")
else
inst_pct="N/A"
fi
if [[ "$old_mem" -gt 0 ]]; then
mem_pct=$(echo "scale=1; ($new_mem - $old_mem) * 100 / $old_mem" | bc 2>/dev/null || echo "N/A")
else
mem_pct="N/A"
fi
# 保存结果
echo "$stem $old_inst $new_inst $inst_pct $old_mem $new_mem $mem_pct $old_branches $new_branches" \
> "$RESULT_DIR/asm/$stem.result"
# 生成 diff
diff -u "$old_asm" "$new_asm" > "$RESULT_DIR/asm/$stem.diff" 2>/dev/null || true
}
# ========== 运行对比 ==========
compare_run() {
local test_file="$1"
local stem; stem=$(basename "$test_file" .sy)
local test_dir; test_dir=$(dirname "$test_file")
local old_exe="$RESULT_DIR/run/$stem.old"
local new_exe="$RESULT_DIR/run/$stem.new"
local old_out="$RESULT_DIR/run/$stem.old.out"
local new_out="$RESULT_DIR/run/$stem.new.out"
local stdin_file="$test_dir/$stem.in"
local expected_file="$test_dir/$stem.out"
mkdir -p "$RESULT_DIR/run"
# 生成旧版可执行文件
local old_asm="$RESULT_DIR/run/$stem.old.s"
"$OLD_COMPILER" --emit-asm "$test_file" > "$old_asm" 2>/dev/null || {
echo "OLD_COMPILE_FAIL" > "$RESULT_DIR/run/$stem.result"
return
}
aarch64-linux-gnu-gcc -no-pie "$old_asm" -L"$PROJECT_DIR/sylib" -lsysy -static -o "$old_exe" 2>/dev/null || {
echo "OLD_LINK_FAIL" > "$RESULT_DIR/run/$stem.result"
return
}
# 生成新版可执行文件
local new_asm="$RESULT_DIR/run/$stem.new.s"
"$NEW_COMPILER" --emit-asm "$test_file" > "$new_asm" 2>/dev/null || {
echo "NEW_COMPILE_FAIL" > "$RESULT_DIR/run/$stem.result"
return
}
aarch64-linux-gnu-gcc -no-pie "$new_asm" -L"$PROJECT_DIR/sylib" -lsysy -static -o "$new_exe" 2>/dev/null || {
echo "NEW_LINK_FAIL" > "$RESULT_DIR/run/$stem.result"
return
}
# 运行旧版
local old_time="N/A" old_rc="N/A"
set +eo pipefail
if [[ -f "$stdin_file" ]]; then
old_time=$( { time qemu-aarch64 -L /usr/aarch64-linux-gnu "$old_exe" < "$stdin_file" > "$old_out" 2>/dev/null; echo $? > "$old_out.rc"; } 2>&1 | grep real | awk '{print $2}' || echo "N/A")
else
old_time=$( { time qemu-aarch64 -L /usr/aarch64-linux-gnu "$old_exe" > "$old_out" 2>/dev/null; echo $? > "$old_out.rc"; } 2>&1 | grep real | awk '{print $2}' || echo "N/A")
fi
old_rc=$(cat "$old_out.rc" 2>/dev/null || echo "1")
# 运行新版
local new_time="N/A" new_rc="N/A"
if [[ -f "$stdin_file" ]]; then
new_time=$( { time qemu-aarch64 -L /usr/aarch64-linux-gnu "$new_exe" < "$stdin_file" > "$new_out" 2>/dev/null; echo $? > "$new_out.rc"; } 2>&1 | grep real | awk '{print $2}' || echo "N/A")
else
new_time=$( { time qemu-aarch64 -L /usr/aarch64-linux-gnu "$new_exe" > "$new_out" 2>/dev/null; echo $? > "$new_out.rc"; } 2>&1 | grep real | awk '{print $2}' || echo "N/A")
fi
new_rc=$(cat "$new_out.rc" 2>/dev/null || echo "1")
set -eo pipefail
# 构造实际输出（程序输出 + 退出码），与 verify_asm.sh 格式一致
local old_actual="$RESULT_DIR/run/$stem.old.actual"
local new_actual="$RESULT_DIR/run/$stem.new.actual"
{
cat "$old_out"
if [[ -s "$old_out" ]] && (( $(tail -c 1 "$old_out" | wc -l) == 0 )); then
printf '\n'
fi
printf '%s\n' "$old_rc"
} > "$old_actual"
{
cat "$new_out"
if [[ -s "$new_out" ]] && (( $(tail -c 1 "$new_out" | wc -l) == 0 )); then
printf '\n'
fi
printf '%s\n' "$new_rc"
} > "$new_actual"
# 检查输出匹配（与 expected 文件比较，expected 格式为 stdout + exit_code）
local old_match="N" new_match="N"
if [[ -f "$expected_file" ]]; then
diff -w -q "$old_actual" "$expected_file" >/dev/null 2>&1 && old_match="Y"
diff -w -q "$new_actual" "$expected_file" >/dev/null 2>&1 && new_match="Y"
fi
# 速度比
local speedup="N/A"
if [[ "$old_time" != "N/A" && "$new_time" != "N/A" ]]; then
local old_sec new_sec
old_sec=$(echo "$old_time" | sed 's/m/ /' | awk '{print $1 * 60 + $2}' 2>/dev/null || echo 0)
new_sec=$(echo "$new_time" | sed 's/m/ /' | awk '{print $1 * 60 + $2}' 2>/dev/null || echo 0)
if [[ "$(echo "$new_sec > 0" | bc -l 2>/dev/null)" == "1" ]]; then
speedup=$(echo "scale=2; $old_sec / $new_sec" | bc 2>/dev/null || echo "N/A")
fi
fi
echo "$stem $old_time $new_time $speedup $old_match $new_match $old_rc $new_rc" \
> "$RESULT_DIR/run/$stem.result"
}
# ========== 主流程 ==========
main() {
echo "============================================="
echo " 寄存器分配编译器对比"
echo " 旧版: $OLD_REF"
echo " 测试集: $TEST_SET"
echo " 模式: $MODE"
echo "============================================="
echo ""
check_tools
setup_old_compiler
setup_new_compiler
local tests
mapfile -t tests < <(get_tests)
local total=${#tests[@]}
echo "共 $total 个测试用例"
echo ""
# ========== 汇编对比 ==========
if [[ "$MODE" == "asm" || "$MODE" == "all" ]]; then
echo "=== 汇编质量对比 ==="
local count=0
for test_file in "${tests[@]}"; do
compare_asm "$test_file"
count=$((count + 1))
printf "\r 进度: %d/%d" "$count" "$total"
done
echo ""
# 输出汇编对比表
echo ""
printf "%-30s %8s %8s %8s %8s %8s %8s\n" \
"测试用例" "旧指令数" "新指令数" "变化%" "旧访存" "新访存" "变化%"
printf "%-30s %8s %8s %8s %8s %8s %8s\n" \
"------------------------------" "--------" "--------" "--------" "--------" "--------" "--------"
local total_old_inst=0 total_new_inst=0 total_old_mem=0 total_new_mem=0 valid_count=0
for f in "$RESULT_DIR/asm"/*.result; do
[[ -f "$f" ]] || continue
local result
result=$(cat "$f")
if [[ "$result" == *"FAIL"* ]]; then
printf "%-30s %8s\n" "$(basename "$f" .result)" "编译失败"
continue
fi
read -r stem old_inst new_inst inst_pct old_mem new_mem mem_pct _ _ <<< "$result"
printf "%-30s %8d %8d %7s%% %8d %8d %7s%%\n" \
"$stem" "$old_inst" "$new_inst" "$inst_pct" "$old_mem" "$new_mem" "$mem_pct"
total_old_inst=$((total_old_inst + old_inst))
total_new_inst=$((total_new_inst + new_inst))
total_old_mem=$((total_old_mem + old_mem))
total_new_mem=$((total_new_mem + new_mem))
valid_count=$((valid_count + 1))
done
if [[ "$valid_count" -gt 0 ]]; then
local avg_inst_pct avg_mem_pct
avg_inst_pct=$(echo "scale=1; ($total_new_inst - $total_old_inst) * 100 / $total_old_inst" | bc 2>/dev/null || echo "N/A")
avg_mem_pct=$(echo "scale=1; ($total_new_mem - $total_old_mem) * 100 / $total_old_mem" | bc 2>/dev/null || echo "N/A")
printf "%-30s %8d %8d %7s%% %8d %8d %7s%%\n" \
"--- 合计 ---" "$total_old_inst" "$total_new_inst" "$avg_inst_pct" \
"$total_old_mem" "$total_new_mem" "$avg_mem_pct"
fi
echo ""
echo "详细 diff 文件: $RESULT_DIR/asm/*.diff"
fi
# ========== 运行对比 ==========
if [[ "$MODE" == "run" || "$MODE" == "all" ]]; then
echo "=== 运行结果对比 ==="
local count=0
for test_file in "${tests[@]}"; do
compare_run "$test_file"
count=$((count + 1))
printf "\r 进度: %d/%d" "$count" "$total"
done
echo ""
echo ""
printf "%-30s %10s %10s %8s %6s %6s %8s %8s\n" \
"测试用例" "旧耗时" "新耗时" "加速比" "旧匹配" "新匹配" "旧退出码" "新退出码"
printf "%-30s %10s %10s %8s %6s %6s %8s %8s\n" \
"------------------------------" "----------" "----------" "--------" "------" "------" "--------" "--------"
local pass_old=0 pass_new=0 total_valid=0
for f in "$RESULT_DIR/run"/*.result; do
[[ -f "$f" ]] || continue
local result
result=$(cat "$f")
if [[ "$result" == *"FAIL"* ]]; then
printf "%-30s %10s\n" "$(basename "$f" .result)" "$result"
continue
fi
read -r stem old_time new_time speedup old_match new_match old_status new_status <<< "$result"
printf "%-30s %10s %10s %8s %6s %6s %8s %8s\n" \
"$stem" "$old_time" "$new_time" "$speedup" "$old_match" "$new_match" "$old_status" "$new_status"
[[ "$old_match" == "Y" ]] && pass_old=$((pass_old + 1))
[[ "$new_match" == "Y" ]] && pass_new=$((pass_new + 1))
total_valid=$((total_valid + 1))
done
if [[ "$total_valid" -gt 0 ]]; then
echo ""
printf "输出匹配率: 旧版 %d/%d, 新版 %d/%d\n" "$pass_old" "$total_valid" "$pass_new" "$total_valid"
fi
fi
# ========== 清理 ==========
if [[ -n "$WORKTREE_DIR" && "$KEEP_WORKTREE" == false ]]; then
echo ""
echo "清理 worktree..."
git worktree remove --force "$WORKTREE_DIR" 2>/dev/null || true
fi
echo ""
echo "对比结果保存在: $RESULT_DIR"
}
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