Cherry-pick non-LMR fixes and tooling from the "LMR" stash

2026-09-04T00:40:17Z

Pulled the parts of the stashed LMR work that are genuinely independent of the reduction logic itself, leaving the actual LMR redesign for separate review: - Fix extension-taper table overflow: remove the flat MAX_EXTEND_PER_LINE cap and instead clamp the depth used to build g_uExtensionReduction[] so a deep `sd` request can't leave the whole taper table stuck at "0 penalty" (every index unreachable). - Remove a spuriously-firing ASSERT(fMovesRescoredByIID) in Search(): RescoreMovesViaSearch's own fail-high branch deliberately leaves that flag FALSE by contract, so the assert could fire on any DEBUG build given an unlucky rescore, making the DEBUG/TEST harness unreliable. - Misc correctness/portability fixes: unix.c pointer-truncation casts, chess.h's CONTAINING_STRUCT/IS_ENPASSANT/ABS_DIFF macro hardening (plus gating the branchless bit-tricks on _X64_ too, not just _X86_), removal of dead Slide*WithoutSigs prototypes, main.c's hash default bumped to 256m and its CPP self-test's arch gate widened to _X64_. - eval_tune/match_play.py: cosmetic SPRT progress-bar/output rework. - Delete eval_tune/run_ecm.sh (superseded, unreferenced elsewhere). - run_tests.sh: parameterize suites/SD/SN via args/env vars instead of hardcoding the three curated suites and sd10/sn5M (defaults kept pointing at the existing curated suites, since the stash's own lmr_sensitive_30/lmr_control_30 default suites aren't present in the repo). Deliberately left out of this commit: the stash's actual LMR reduction logic, the M-SIGNAL-SHADOW diagnostic subsystem, the large PERF_COUNTERS instrumentation buildout, the history-table gravity rework, and the FindEnprisePiece pre-move staleness fix (skipped per request pending a decision on whether to also change EFP's pruning behavior). Co-Authored-By: Claude Sonnet 5 Claude-Session: https://claude.ai/code/session_01MjdDfHry3i2jfJzyDXaG8A

Update run_tests.sh

2026-08-31T18:56:34Z

Oops, a couple of issues with that last one.

2026-08-31T02:08:01Z

typhoon.git/src/run_tests.sh, branch master

Cherry-pick non-LMR fixes and tooling from the "LMR" stash

Update run_tests.sh

Oops, a couple of issues with that last one.