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4 Commits

Author SHA1 Message Date
Moe Charm (CI)
12c36afe46 Fix TSan build: Add weak stubs for sanitizer compatibility 
Added weak stubs to core/link_stubs.c for symbols that are not needed
in HAKMEM_FORCE_LIBC_ALLOC_BUILD=1 (TSan/ASan) builds:

Stubs added:
- g_bump_chunk (int)
- g_tls_bcur, g_tls_bend (__thread uint8_t*[8])
- smallmid_backend_free()
- expand_superslab_head()

Also added: #include <stdint.h> for uint8_t

Impact:
- TSan build: PASS (larson_hakmem_tsan successfully built)
- Phase 2 ready: Can now use TSan to debug Larson crashes

Next: Use TSan to investigate Larson 47% crash rate

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-11-27 05:19:56 +09:00
Moe Charm (CI)
8feeb63c2b release: silence runtime logs and stabilize benches 
- Fix HAKMEM_LOG gating to use  (numeric) so release builds compile out logs.
- Switch remaining prints to HAKMEM_LOG or guard with :
  - core/box/hak_core_init.inc.h (EVO sample warning, shutdown banner)
  - core/hakmem_config.c (config/feature prints)
  - core/hakmem.c (BigCache eviction prints)
  - core/hakmem_tiny_superslab.c (OOM, head init/expand, C7 init diagnostics)
  - core/hakmem_elo.c (init/evolution)
  - core/hakmem_batch.c (init/flush/stats)
  - core/hakmem_ace.c (33KB route diagnostics)
  - core/hakmem_ace_controller.c (ACE logs macro → no-op in release)
  - core/hakmem_site_rules.c (init banner)
  - core/box/hak_free_api.inc.h (unknown method error → release-gated)
- Rebuilt benches and verified quiet output for release:
  - bench_fixed_size_hakmem/system
  - bench_random_mixed_hakmem/system
  - bench_mid_large_mt_hakmem/system
  - bench_comprehensive_hakmem/system

Note: Kept debug logs available in debug builds and when explicitly toggled via env.
 2025-11-11 01:47:06 +09:00
Moe Charm (CI)
dde490f842 Phase 7: header-aware TLS front caches and FG gating 
- core/hakmem_tiny_fastcache.inc.h: make tiny_fast_pop/push read/write next at base+1 for C0–C6; clear C7 next on pop
- core/hakmem_tiny_hot_pop.inc.h: header-aware next reads for g_fast_head pops (classes 0–3)
- core/tiny_free_magazine.inc.h: header-aware chain linking for BG spill chain (base+1 for C0–C6)
- core/box/front_gate_classifier.c: registry fallback classifies headerless only for class 7; others as headered

Build OK; bench_fixed_size_hakmem still SIGBUS right after init. FREE_ROUTE trace shows invalid frees (ptr=0xa0, etc.). Next steps: instrument early frees and audit remaining header-aware writes in any front caches not yet patched.
 2025-11-10 18:04:08 +09:00
Moe Charm (CI)
b09ba4d40d Box TLS-SLL + free boundary hardening: normalize C0–C6 to base (ptr-1) at free boundary; route all caches/freelists via base; replace remaining g_tls_sll_head direct writes with Box API (tls_sll_push/splice) in refill/magazine/ultra; keep C7 excluded. Fixes rbp=0xa0 free crash by preventing header overwrite and centralizing TLS-SLL invariants. 2025-11-10 16:48:20 +09:00