1da8754d45
**問題:**
- Larson 4T で 100% SEGV (1T は 2.09M ops/s で完走)
- System/mimalloc は 4T で 33.52M ops/s 正常動作
- SS OFF + Remote OFF でも 4T で SEGV
**根本原因: (Task agent ultrathink 調査結果)**
```
CRASH: mov (%r15),%r13
R15 = 0x6261 ← ASCII "ba" (ゴミ値、未初期化TLS)
```
Worker スレッドの TLS 変数が未初期化:
- `__thread void* g_tls_sll_head[TINY_NUM_CLASSES];` ← 初期化なし
- pthread_create() で生成されたスレッドでゼロ初期化されない
- NULL チェックが通過 (0x6261 != NULL) → dereference → SEGV
**修正内容:**
全 TLS 配列に明示的初期化子 `= {0}` を追加:
1. **core/hakmem_tiny.c:**
- `g_tls_sll_head[TINY_NUM_CLASSES] = {0}`
- `g_tls_sll_count[TINY_NUM_CLASSES] = {0}`
- `g_tls_live_ss[TINY_NUM_CLASSES] = {0}`
- `g_tls_bcur[TINY_NUM_CLASSES] = {0}`
- `g_tls_bend[TINY_NUM_CLASSES] = {0}`
2. **core/tiny_fastcache.c:**
- `g_tiny_fast_cache[TINY_FAST_CLASS_COUNT] = {0}`
- `g_tiny_fast_count[TINY_FAST_CLASS_COUNT] = {0}`
- `g_tiny_fast_free_head[TINY_FAST_CLASS_COUNT] = {0}`
- `g_tiny_fast_free_count[TINY_FAST_CLASS_COUNT] = {0}`
3. **core/hakmem_tiny_magazine.c:**
- `g_tls_mags[TINY_NUM_CLASSES] = {0}`
4. **core/tiny_sticky.c:**
- `g_tls_sticky_ss[TINY_NUM_CLASSES][TINY_STICKY_RING] = {0}`
- `g_tls_sticky_idx[TINY_NUM_CLASSES][TINY_STICKY_RING] = {0}`
- `g_tls_sticky_pos[TINY_NUM_CLASSES] = {0}`
**効果:**
```
Before: 1T: 2.09M ✅ | 4T: SEGV 💀
After: 1T: 2.41M ✅ | 4T: 4.19M ✅ (+15% 1T, SEGV解消)
```
**テスト:**
```bash
# 1 thread: 完走
./larson_hakmem 2 8 128 1024 1 12345 1
→ Throughput = 2,407,597 ops/s ✅
# 4 threads: 完走（以前は SEGV）
./larson_hakmem 2 8 128 1024 1 12345 4
→ Throughput = 4,192,155 ops/s ✅
```
**調査協力:** Task agent (ultrathink mode) による完璧な根本原因特定
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
57 lines
1.7 KiB
Bash
Executable File
57 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# cleanup_workspace.sh — Archive logs and remove build artifacts
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# - Archives logs to archive/cleanup_YYYYmmdd_HHMMSS/{logs}
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# - Runs make clean
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# - Removes re-buildable bench binaries and helper copies
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")"/.. && pwd)"
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cd "$ROOT_DIR"
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ts="$(date +%Y%m%d_%H%M%S)"
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DEST="archive/cleanup_${ts}"
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mkdir -p "${DEST}/logs"
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log_patterns=(
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"*out.txt"
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"*stdout.log"
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"*stderr.log"
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"ring*.txt"
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"asan_*.log"
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"run_*.log"
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)
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echo "[cleanup] Archiving logs to ${DEST}/logs" | tee "${DEST}/CLEANUP_SUMMARY.txt"
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for pat in "${log_patterns[@]}"; do
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shopt -s nullglob
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for f in $pat; do
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if [[ -f "$f" ]]; then
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echo "log: $f" >> "${DEST}/LOGS_LIST.txt"
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mv -f "$f" "${DEST}/logs/"
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fi
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done
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done
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echo "[cleanup] Running make clean" | tee -a "${DEST}/CLEANUP_SUMMARY.txt"
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if command -v make >/dev/null 2>&1; then
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( make clean >/dev/null 2>&1 || true )
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echo "make clean: done" >> "${DEST}/CLEANUP_SUMMARY.txt"
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else
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echo "make not found, skipping" >> "${DEST}/CLEANUP_SUMMARY.txt"
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fi
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# Remove common bench/wrapper binaries (rebuildable)
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echo "[cleanup] Removing rebuildable binaries" | tee -a "${DEST}/CLEANUP_SUMMARY.txt"
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rm -f \
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larson_hakmem larson_hakmem_asan larson_hakmem_tsan larson_hakmem_ubsan \
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bench_*_hakmem bench_*_system bench_*_mi \
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bench_tiny bench_tiny_mt phase6_bench_tiny_simple test_hakmem
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# Report large files remaining at top-level
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echo "[cleanup] Large files remaining (top-level, >1MB)" | tee -a "${DEST}/CLEANUP_SUMMARY.txt"
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{ find . -maxdepth 1 -type f -size +1M -printf "%f\t%k KB\n" 2>/dev/null || true; } | tee -a "${DEST}/POST_CLEAN_LARGE_FILES.txt"
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echo "[cleanup] Done. Summary at ${DEST}/CLEANUP_SUMMARY.txt"
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