[draft] MXFP4 MoE tuning: infrastructure + validated baseline/repeatability (checkpoint, no perf win yet)#1
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[draft] MXFP4 MoE tuning: infrastructure + validated baseline/repeatability (checkpoint, no perf win yet)#1jhinpan wants to merge 52 commits into
jhinpan wants to merge 52 commits into
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… seq_len (+ gfx942 fallback fix) (ROCm#683) * fmha: gfx950 dualwave SWP with split-K, varlen, and arbitrary seq_len - Add flash_attn_dualwave_swp_gfx950_kernel with lazy-rescale, s_setprio stagger, split-K combine path, and buffer_store_dwordx4 O-store - Support packed QKV varlen via cu_seqlens; arbitrary seq_len >= 1 on both dualwave and generic fallback paths with padding masks - Update flash_attn_generic dispatch, seq_len guard, and varlen routing - Extend test_flash_attn_fwd with split-K, varlen configs, OPUS/aiter compare Ported from opus_align FMHA optimization work onto rocm/main base. Co-authored-by: Cursor <cursoragent@cursor.com> * fmha: gate gfx950-only permlane O-store in generic kernel for gfx942 The generic flash_attn O-store used permlane32_swap and cvt_pk_bf16_f32 (both gfx950/CDNA4-only) unconditionally. On gfx942 (CDNA3) the gfx950 dualwave fast path is disabled and flash_attn falls back to the generic kernel, so the backend hit "Cannot select intrinsic llvm.amdgcn.permlane32.swap" and aborted (CI: test linux-flydsl-mi325-1). Gate the 128-bit permlane-fused store behind gfx950; gfx942 falls back to a per-lane dwordx2 store packed via .to(elem_dtype) (arch-correct bf16/f16 conversion, same column layout, still num_records-bounded for OOB rows). Add FLYDSL_DISABLE_DUALWAVE_SWP / FLYDSL_GENERIC_OSTORE_SCALAR env hooks to exercise the generic kernel and its gfx942 store path on gfx950 hardware. Verified on gfx950 (MI355): the permlane and scalar O-store paths both give MaxErr 3.91e-3 vs SDPA across H8/16/64, GQA, and partial-seqlen configs; the default gfx950 dualwave path is unchanged (PASS, MaxErr 3.91e-3). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
…m#684) Adds in_dtype="fp6" to compile_preshuffle_gemm_a8 and a thin compile_preshuffle_gemm_a6w4 wrapper. MXFP6 (E2M3) activations are stored FP8-padded (32 B per K=32 chunk: 24 B packed FP6 + 8 B zero pad, ignored by the cbsz=2 MFMA); B and the per-32 E8M0 scales are identical to the MXFP4 (w4) path. The shared FP4 logic is reused via is_fp4_or_fp6, so the fp4 path is behavior-identical (verified). Tests and benchmarks: - tests/kernels/test_preshuffle_gemm.py: test_mfma_a6w4_flyc_preshuffle (MXFP6 A x MXFP4 B vs an fp32 dequant ref, verify_output rtol/atol 0.1) plus run_perftest throughput, across 5 shapes x {bf16, fp16}; and a --wfp6 CLI path mirroring --wfp4. - tests/kernels/utils/fp4_utils.py: fp6 host helpers per_1x32_f6_quant, pack_fp6_e2m3, fp6_e2m3_to_f32. - scripts/run_benchmark.sh: GEMM_FP6FP4_SHAPES + an FP6FP4 (W4A6) bench loop (--wfp6), lined up 1:1 with the FP4 shapes. Validated on MI355X (gfx950): fp6 rel_fro 0.0017 across M in {64,256} and K in {4096,14336}; fp4 w4 path unchanged (rel_fro 0.0017); ruff check/format clean on the added lines; pytest fp6 and fp4 cases pass. Signed-off-by: Shreyas Atre <satre@amd.com> Co-authored-by: Claude Opus 4 (1M context) <noreply@anthropic.com>
…C support (ROCm#649) * feat: add ptpc fp8, a8w4 gemm * optimize ptpc epilogue vgpr prefetch * ptpc use no-scale wmma for compatibility * mxscale/ptpc a8w4 use latest fp8 scheduler * add M out-of-bounds support (non-tile-aligned M, no host padding) - kernel: m_oob_clip + m_oob_store {buffer, tdm_tail}. A/A-scale load clip via TDM tensor_dim1, C-store clips via buffer num_records, split-K via per-lane (row < M) predicate on the atomic path. - tdm_ops: make_tensor_descriptor_2d gains oob_outer_bound. It sets only tensor_dim1 (HW OOB field); tile_dim1 stays the full per-warp tile. Accepts int|index|i32, raises otherwise. None keeps the original (byte-identical) path. - tests: M-pad coverage (M=16..1000 x buffer/tdm_tail x bf16/f32 + split-K). * [gemm_fp8fp4_gfx1250] auto-select m_oob output clip; drop m_oob_store Remove the m_oob_store parameter from compile_fp8fp4_gemm / compile_ptpc_gemm and pick the non-aligned-M output clip internally: tdm_tail when use_tdm_store and split_k == 1 (full tiles keep the fast TDM store; the <=1 partial last M-tile falls back to buffer num_records) buffer otherwise (whole-output num_records clip; split_k>1 uses the per-lane row < M atomic predicate) A whole-output buffer clip regressed aligned production prefill by +15%..+82%, while tdm_tail stays within ~2% of the no-clip path, so a static buffer default was wrong. The choice is fully derivable from use_tdm_store/split_k, so cache_tag drops m_oob_store too (no collision). Tests: the mxscale mpad test now parametrizes use_tdm_store to cover both auto branches (tdm_tail / buffer); the atomic branch stays covered by the split-k mpad test. * Remove m_oob_clip flag: non-tile-aligned M is now the default GEMM path * ptpc: set scale buffer num_records from runtime M/N to keep OOB clipping * gemm_fp8fp4_gfx1250: add runtime lda/ldc strides for strided A/C; drop compile-time M --------- Co-authored-by: aoli26 <Aok.Li@amd.com>
) - Shorten verbose comments in flash_attn_generic and flash_attn_gfx950 - Drop unused FLYDSL_GENERIC_OSTORE_SCALAR knob; gfx942 O-store fallback unchanged - Extend run_benchmark DEFAULT_FLASH_ATTN_FUNC_SHAPES with causal/non-causal seq_len 1-65 configs for arbitrary-length coverage - Keep run_benchmark Bandwidth parsing on the base-op first match Co-authored-by: Cursor <cursoragent@cursor.com>
* Update location tracing coverage * remove unused
…len_q != seqlen_kv) (ROCm#704)
…rge shapes) (ROCm#714) Subclass Mfma16x16x128 with an inline-asm MFMA (constraint `=a,v,v,0`) that accumulates the f32x4 chain in-place on AGPR, so the compiler stops inserting v_accvgpr_mov/read + s_nop to shuffle the accumulator between AGPR slots (the dominant stall in the ssa-lowered path). Also tighten the XCD-swizzle threshold (`<=` -> `<`). Measured on gfx950 (MI355X), flydsl vs torch._scaled_mm: | shape (M,N,K) | layout | before | after | |--------------------|------------|---------|---------| | 5120,5120,8320 | rowmajor | 2165 | 2296 | | 5120,5120,8320 | preshuffle | 2133 | 2327 | | 8192,8192,8192 | rowmajor | 2675 | 2907 | | 8192,8192,8192 | preshuffle | 2570 | 2852 | | 9728,8192,8320 | rowmajor | 2707 | 2863 | | 9728,8192,8320 | preshuffle | 2666 | 2871 | | 16384,16384,16384 | rowmajor | 3216 | 3441 | | 16384,16384,16384 | preshuffle | 3158 | 3441 | (TFLOPS). Add the 16384^3 shape to the row-scale test for both 4wave/8wave. Co-authored-by: Claude Opus 4 (1M context) <noreply@anthropic.com>
* guard vgpr a scale loads for ragged M tails * Fix A-scale VGPR loads * Optimize row-major GEMM K prefetch * optimize k prefetch and tdm late signal overlap * simplifly gemm unit tests
* [Enh] More readable DslError traceback * [Test] Add l0 unit tests for DslError diagnostics formatting Cover the pure-Python diagnostics layer with no MLIR pass / GPU: - DSLCompileError message + caret rendering (snippet strip, caret column offset and span width, outermost-first chain ordering) - install_excepthook frame filtering (drop DSL-internal frames, keep user frames, add separator + DSLCompileError message) - FLYDSL_DEBUG_SHOW_STACKTRACE escape hatch delegates to the raw hook - non-DSL errors pass through to the original excepthook Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Felix Li <felix.li@amd.com>
…der (ROCm#729) * [Fix] Capture the width of ir.Value correctly in the IntTupleAttrBuilder * update error message
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Round 0 of the MXFP4 MoE 2-stage tuning campaign on gfx950. Lands the deterministic, CPU-verifiable substrate every later candidate depends on; no kernel behavior changes. - kernels/moe_tuning.py: pre-compile tile-config legality enumerator mirroring the stage1/stage2 constraints in mixed_moe_gemm_2stage.py (tile_k_bytes%64, tile_m*tile_k*elem_bytes % total_threads, split-K divisibility, MX-FP4 floors, stage2 model_dim%tile_n / inter_dim%tile_k / sort_block_m%tile_m, LDS<=163840), with a machine-readable reason per rejection. - kernels/moe_tuning_spec.py: single source of truth for the locked tuning decisions (win/no-regression predicates, token grids, MFU denominator, model table, routing distributions, protocol). - scripts/moe_tuning_harness.py: per-point measurement harness (per-stage us parsing, combined kernel-path us, effective-TFLOPS/MFU, median+p95, provenance, CSV schema). - scripts/moe_tuning_ledger.py + docs/attempts.jsonl + docs/optimization-ledger.md: provenance-gated attempt ledger and per-point Pareto comparison. - scripts/run_benchmark.sh: add DeepSeek V4, Kimi K2, GPT-OSS MoE shape rows (all legality-verified) bracketing the small-token and large-shape regimes. - tests/unit/test_moe_tuning_legality.py, test_moe_tuning_harness.py: 33 backend-agnostic tests. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Addresses the Round 0 Codex review's blocking defects and produces a real locked-ref baseline. Blocking fixes: - kernels/moe_tuning.py: stage1 fp4 LDS mirror now uses the full lds_stride (no a_elem_vec_pack halving), matching compile_mixed_moe_gemm1's _single_x_bytes. The over-limit fp4 examples (tile_k=3584 -> 230400B, tile_k=3072 -> 197632B) are now correctly rejected. Stage2 keeps _eff_lds_stride (it genuinely halves there). - scripts/moe_tuning_ledger.py: compare_csvs iterates the full baseline key set, flags missing candidate points and missing regime-required fields, and forces pareto_clean=False unless coverage is complete (no cherry-picking). Harness made executable (AC-1): - scripts/moe_tuning_harness.py: run_point (FlyDSL per-stage + aiter e2e/ correctness), build_run_list/expected_point_keys (full DEC-6 grid = 96 points), parse_aiter_output, check_idle_gpu, validate_baseline_row/validate_baseline_csv (reject non-523ca1c7/non-idle/missing-field/non-protocol rows), and a baseline/candidate/validate/list CLI. Measured baseline (AC-1/AC-7): - docs/baseline_523ca1c7_kernelpath.csv: real kernel-path baseline from a 523ca1c isolated-worktree build over all 96 DEC-6 points, idle_gpu_verified, full provenance. validate_baseline_csv confirms 0 missing points; only the e2e/ logits columns are empty (aiter harness env mismatch, tracked as blocking). - docs/attempts.jsonl + docs/optimization-ledger.md: baseline entry recorded. Tests: 54 backend-agnostic tests pass (legality over-limit regressions, aiter parsing, run-list coverage == spec, baseline-row rejections, Pareto coverage enforcement). Style gate clean on changed files. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ation) Addresses the Round 1 review's blocking defects and delivers a validated locked baseline for the correctness-passing subset. Blocking fixes: - aiter e2e unblocked: scripts/sync_aiter_flydsl_kernels.sh overlays this checkout's MoE kernels onto aiter's stale 0.1.8-era vendored copies (which crashed against flydsl 0.2.2 with 'Int32 has no attribute type' then 'extsi i64->i32'); e2e now produces real us + logits_diff. - _aiter_cmd is now strict single-case (--no-flydsl-csv; harness gates logits_diff<=0.01); avoids the chained CSV/AOT-miss sweep. - run_point(reps=) emits real median+p95 for kernel-path AND e2e. - validate_baseline_csv hardened: requires numeric stage1/stage2/sorting, kernel-path median+p95, effective_tflops, mfu, e2e median+p95, logits_diff, and correctness_pass=True; supports validating a subset key-set. Measured baseline (523ca1c isolated-worktree build, idle MI350X, warmup10/ iters100/median+p95): - docs/baseline_523ca1c7.csv: full 96-point sweep with e2e. - docs/baseline_523ca1c7_validated.csv: the 56-point correctness-passing subset (all a4w4 + DeepSeek V3 a8w4); passes validate_baseline_csv exit 0. - docs/baseline_523ca1c7_run2.csv + _repeatability.json: kernel-path fully repeatable (0/96 unstable); e2e drifts <=~10pct at small tokens (reps=2). Correctness quarantine (Round 2 finding, root-caused vs aiter source + Codex): a8w4 for DeepSeek V4, Kimi K2, GPT-OSS fails the aiter correctness gate (logits_diff ~0.99) because the aiter legacy CLI path hardcodes Swiglu + INTERLEAVE for the per_1x32 fp8xfp4 case, mismatching the Silu reference. This is a harness-path artifact, not a FlyDSL kernel bug (a4w4 passes everywhere; DS V3 a8w4 passes). Quarantined via moe_tuning_spec.QUARANTINED_SHAPES; excluded from the validated baseline and any win claim until validated via aiter model-CSV mode. Tests: 71 backend-agnostic tests pass (strict _aiter_cmd, aiter markdown-row parsing, hardened validation negatives, quarantine/validated keys, repeatability). Style gate clean on changed files. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…w4 correctness-blocked Replaces the legacy aiter path with a strict, AOT-checked, model-correct guardrail and rigorously re-validates correctness. Strict guardrail: - NEW scripts/aiter_strict_point.py calls aiter test_fmoe with the model's TRUE activation+gate, strict_accuracy=True, the AOT-cache-wrapped variant (fail_on_aot_cache_miss), and locked warmup=10/iters=100 over aiter internal 2/5. _aiter_cmd invokes it; parse_strict_aiter_output consumes STRICT_RESULT json. a4w4 strict+AOT passes (logits 1e-5, AOT cache hit); a8w4 strict correctly raises the strict assertion (recorded, never fabricated). Corrected a8w4 finding (retracts the prior Swiglu-vs-Silu story, which was wrong): - Controlled direct-test_fmoe probes show the failing axis is NON-fp4 ACTIVATION: fp8 (a8w4) AND bf16 (a16w4) fail logits~0.98 with fp4 weight; only fp4 (a4w4) passes ~1e-5. Root cause is an aiter-wrapper/layout contract mismatch for non-fp4 activation, NOT a FlyDSL kernel bug (this checkout own test_moe_gemm.py a8w4 passes with --skip_ref false). All a8w4 quarantined; needs user scope call. Baselines (523ca1c strict path, idle MI350X, warmup10/iters100): - baseline_523ca1c7_validated.csv: 40 a4w4 points, all correctness_pass=True, validate_baseline_csv(validated_keys) exit 0. - baseline_523ca1c7.csv: honest full 96-pt record (a4w4 pass; a8w4 strict-path correctness_pass=False); default validate fails ONLY on a8w4, 0 missing. - baseline_523ca1c7_a8w4_strict.csv: a8w4 strict-path evidence. Cleanup: stripped AC-/DEC-/Milestone/Round markers from implementation code per the plan; fixed stale attempts.jsonl CSV ref; removed superseded legacy-path run2/repeatability artifacts. Tests: 72 backend-agnostic tests pass. Style clean. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Addresses the Round 3 review: makes the measurement protocol truthful and the a8w4 blocking evidence auditable. Truthful timed-loop median+p95 (Codex mainline ROCm#2): - tests/test_common.py: opt-in FLYDSL_PERF_DIST adds a true per-iteration timed loop over num_iters, recording median+p95 in LAST_PERF_DIST and returning the median (additive; default profiler/event path unchanged). - tests/kernels/test_moe_gemm.py: surfaces ' p95=<v> us' in the stage1/stage2 prints when the distribution was captured. - scripts/aiter_strict_point.py: emits e2e median (aiter rotated-average, comparable) + a per-iteration e2e p95. - harness parses the stage p95 and e2e p95; run_point records the timed-loop p95 (not 'median over reps'); reps used only for the repeatability check. Auditable a8w4 evidence (Codex blocking #1/ROCm#2): - CSV schema gains flydsl_command, strict_error, error_category, aot_status; run_point and the a8w4 driver populate them per row. - docs/baseline_523ca1c7_a8w4_strict.csv: 56 a8w4 rows with per-row error, category (correctness vs runtime), AOT status, and the FlyDSL command/tiles. - docs/a8w4_evidence.md: per-model failure-category table (27 correctness-fail, 28 runtime-fail, 1 pass) + representative errors. a8w4 stays correctness-blocked; the scope decision remains open for the user (not self-resolved). Baseline + repeatability (truthful protocol): - docs/baseline_523ca1c7_validated.csv: a4w4 40-pt re-measured, kernel-path + e2e median+p95, validates exit 0 over a4w4 keys. - docs/baseline_523ca1c7_validated_run2.csv + _repeatability.json: 2 independent sweeps; the true per-iteration timing is noisier than a profiler average (kernel-path worst ~4.6%, e2e ~7% at small tokens) -> documented; win-claims will need more reps or a tighter small-token band. - docs/baseline_523ca1c7.csv: honest full 96-pt record; default validate fails ONLY on a8w4, 0 missing. Cleanup (Codex queued #1): rewrote the stale ledger entry (removed 56-point/run2 references and the retracted legacy root cause); fixed attempts.jsonl. Tests: 73 backend-agnostic tests pass (timed-loop p95 parse, strict provenance, error categories). Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Addresses the Round 4 review: makes the timed-loop protocol faithful to the recorded L2-flush behavior and embeds the env in command provenance. Faithful L2-flush timed loop (Codex mainline #1): - tests/test_common.py: the FLYDSL_PERF_DIST per-iteration loop now cycles the SAME cache-sized rotated argument copies the default perftest path builds (the real L2-flush behavior the CSV records as l2_flush_per_iter=True), instead of reusing one hot tensor set; records n_rotate. Unit test covers the rotation index pattern + nearest-rank percentile. Env in command provenance (Codex mainline ROCm#2): - run_point embeds FLYDSL_PERF_DIST=1 and HIP_VISIBLE_DEVICES in flydsl_command/ command so a replay reproduces the median+p95. Baseline CSVs re-emitted. Reproducible a4w4 baseline (Codex mainline ROCm#3): - a4w4 40-pt re-measured under the faithful rotated protocol; two independent sweeps. The rotation fixed the Round 4 instability: kernel-path repeatability is now 0/40 outside DEC-2 (was 11/40). e2e guardrail has minor residual drift at small tokens (4/40, worst ~6.8%), documented in the repeatability JSON. - docs/baseline_523ca1c7_validated.csv validates exit 0 over a4w4 keys. a8w4 (re-run with env provenance): docs/baseline_523ca1c7_a8w4_strict.csv + docs/a8w4_evidence.md unchanged in conclusion (27 correctness, 28 runtime, 1 pass); still correctness-blocked, scope decision open for the user. Cleanup (Codex queued #1): removed remaining Round/AC-/DEC- markers from unit-test comments. Default validate still targets all 96 keys (a8w4 correctness-blocked, 0 missing). Tests: 74 backend-agnostic tests pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Addresses the Round 5 review: pursues e2e DEC-2 repeatability in-protocol and refuses to self-approve an exception. - tests/test_common.py: refactored the FLYDSL_PERF_DIST timed loop into a host-testable _timed_distribution(func, rotate_args, num_iters, time_call) helper that cycles the cache-sized rotated args (L2-flush) and computes median+p95 from injected per-call timings. - tests/unit/test_moe_tuning_harness.py: replaced the modulo-only test with a branch-level regression that proves DISTINCT rotated args reach func and that median/p95 are computed correctly (test_timed_distribution_rotates_distinct_args). - Re-measured the a4w4 baseline twice at reps=3 (median of the aiter rotated e2e across reps). Result: residual instability is confined to SMALL TOKENS (1-32) -- kernel-path 8/40 (worst ~3.9us), e2e 6/40 (worst ~2.9us), all just over the max(2%,2us) floor. Raising reps 1->3 did not remove it: this is irreducible shared-node jitter at tiny absolute us (30-180us). At a max(2%,5us) small-token floor, e2e is fully stable (0/40) and kernel-path drops to 1/40. - docs/baseline_523ca1c7_repeatability.json records the precise per-point dispersion and an explicit OPEN USER PROTOCOL DECISION (widen the small-token absolute band to ~5us, still far below the DEC-1 win thresholds) -- NOT self-approved. - docs/optimization-ledger.md updated to the current repeatability numbers (removed the stale 11/40, 8/40 text). Default validate still targets all 96 keys (a8w4 correctness-blocked). Tests: 75 pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ility JSON Fixes the provenance mismatch Codex flagged in the Round 6 review: - docs/optimization-ledger.md: kernel-path worst drift ~3.9us -> ~5.1us (matches docs/baseline_523ca1c7_repeatability.json, the authoritative artifact). - docs/attempts.jsonl: replaced the stale 'kernel-path 0/40 (DEC-2 pass)' claim with the current reps=3 result (kernel-path 8/40 + e2e 6/40 small-token instability) and the open small-token protocol decision. No measured CSV or repeatability JSON changed; documentation-only reconciliation. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…evers Addresses the Round 6 review directive to remeasure under a cleaner/controlled node, in-protocol (no DEC-2 band change). Key finding: the protocol recorded clocks_pinned=True but never ENFORCED it -- the GPU was at perf level 'auto' (DVFS, sclk idling 144MHz), the dominant source of small-token jitter. rocm-smi --setperfdeterminism 2200 succeeds in this container (set_perf_level does not). - scripts/moe_tuning_harness.py: added pin_clocks() (enable performance determinism) and clocks_pinned_state(); the baseline driver now pins clocks and records the TRUE state, so clocks_pinned=True is truthful not aspirational. - Re-measured the a4w4 baseline twice under pinned clocks. Pinning improved e2e (6/40 -> 2/40 unstable) but kernel-path remains 6/40 unstable at small tokens 1-32 (worst ~5.3us) under the locked max(2%,2us) band: absolute us there is 127-183us so the 2us floor is ~1.1-1.6%, below ~3-5us launch/host jitter. In-protocol levers now EXHAUSTED (rotation + reps=3 + clock pinning). - docs/baseline_523ca1c7_repeatability.json: full per-point dispersion + floor sensitivity (2us->6/2, 3us->5/0, 5us->1/0, 6us->0/0) + an explicit, NOT self-approved small-token-band protocol request. - Fixed docs/attempts.jsonl replay command (was truncated to '--tile_m 6'; now the full untruncated command). Ledger updated to the pinned-clock numbers. - Unit test for the clock-pinning helpers (parsing determinism success/perf level). Default validate still targets all 96 keys (a8w4 correctness-blocked). Tests: 76 pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…iver Closes the Round 7 review's clock-provenance enforcement gap (mainline #1 / blocking #1). - scripts/moe_tuning_harness.py: Provenance.clocks_pinned now defaults to False (not the static spec.CLOCKS_PINNED intent), so a row never claims pinned clocks unless verified. New setup_run_provenance() pins (pin_clocks) AND verifies (clocks_pinned_state), recording only the verified bool. _main() uses it and fails-closed (rc=2) if the locked protocol needs pinned clocks but verification fails, unless --allow-unpinned is passed (which records clocks_pinned=False). - tests/unit/test_moe_tuning_harness.py: host-testable unit around the live setup path -- asserts provenance reflects the verified clock state (True when verified; False -> validator rejects with clocks_must_be_pinned). Fixed two fixtures to set clocks_pinned=True explicitly now that the default is False. - Re-emitted the a4w4 CSVs through harness-verified pinning (clocks_pinned=True is now trustworthy). Under the locked max(2%,2us) band, small-token (1-32) repeatability remains nonzero (kernel-path 9/40, e2e 7/40 this pair; stochastic but always small-token) -- in-protocol levers are exhausted; the small-token band remains an OPEN USER DECISION (documented, not self-approved). Default validate still targets all 96 keys (a8w4 correctness-blocked). Tests: 77 pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ail-closed test
Addresses the Round 8 review's factual finding and two cleanups.
- CORRECTED the repeatability narrative: instability is NOT confined to
tokens<=32. Recomputed from the Round 8 CSVs: kernel-path unstable tokens
{1,2,4,8,16,32,128} (incl. kimi_k2 token 128, 6.8us) and e2e unstable tokens
{1,2,4,32,64} (incl. a kimi_k2 token-64 outlier of 16.4us). With clocks
harness-verified pinned, this is genuine run-to-run node variance across the
low/mid token range. docs/baseline_523ca1c7_repeatability.json and the ledger
now state the real regime + floor sensitivity (2us->9/7 ... 10us->0/1,
20us->0/0) and an escalated protocol decision noting a tokens<=64-only band is
INSUFFICIENT (options: wider band / more reps / dedicated node /
kernel-path-primary). Not self-approved.
- Refreshed docs/attempts.jsonl to the Round 8 numbers (was stale Round 7).
- tests/unit/test_moe_tuning_harness.py: direct _main() regression -- verified
pinned writes clocks_pinned=True; verification failure fails closed (rc=2, no
CSV written); --allow-unpinned proceeds with clocks_pinned=False.
Default validate still targets all 96 keys (a8w4 correctness-blocked). Tests: 78
pass. Targeted style clean; no workflow markers in code/tests.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Applies the user-approved amendment to the no-regression/repeatability band so the a4w4 baseline is comparable under the locked protocol without weakening win detection. - kernels/moe_tuning_spec.py: add SMALL_TOKEN_ABS_US_BAND=8.0 and abs_floor_us(token) (8us for tokens<=64, 2us otherwise); is_regression(token=) is now regime-aware (back-compatible default 2us when token is None). Documented rationale: irreducible small-token node jitter (~3-7us at 30-300us absolute) after the in-protocol controls are exhausted; 8us stays far below the 10%-AND-2us small-token win threshold so win detection is unaffected. - scripts/moe_tuning_ledger.py: compare_point passes token to is_regression; repeatability_check uses the regime-aware floor. - Re-scored the existing a4w4 baseline pair under the new band: residual instability drops from 9/7 to 1/1 -- kimi_k2/128 kernel-path (6.8us, ~2.3%, mid-token watch) and kimi_k2/64 e2e (~16us, documented guardrail outlier). docs/baseline_523ca1c7_repeatability.json updated. Tests: 81 pass (incl. regime-aware band + repeatability tests). Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…n candidate
First actual tuning progress past the measurement substrate (DEC-10 scope: a4w4).
- Ran a legality-filtered (AC-2) a4w4 tile sweep for DeepSeek V3 over the FP4
M-regime tile priors at small/large tokens; recorded every candidate to the
ledger. (tile_k1=512 is a separate test-harness wiring limit -- IndexError in
run_moe_stage1 -- noted as queued; not a kernel constraint.)
- Standout lever: stage1 tile_n 256->128. Validated across the full DS V3 a4w4
token sweep under the locked protocol (clocks harness-verified pinned, reps=3,
DEC-9 regime-aware band):
* small-token kernel-path latency win: tokens 1-16 = 15.6-23.0% faster, clearing
the DEC-1 small-token gate (>=10% AND >= the 8us small-token band);
* ZERO Pareto regression across the full token sweep;
* mid tokens 256-1024 also ~11-13% faster (bonus);
* large-MFU buckets improved but below the AC-3 10% margin (16384 -9.2%,
32768 -5.5%) -> AC-4 candidate, not yet an AC-3 win.
* FlyDSL-side correctness clean (--skip_ref false, atomic+reduce).
- docs/candidate_dsv3_a4w4_stage1n128.csv + ledger/attempts updated.
Remaining for a CONFIRMED win: strict aiter e2e correctness gate (logits<=0.01)
and a clean re-run for stability.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…areto-clean) Closes Codex R0 blocking #1 (no reproducible non-default candidate path) and mainline ROCm#2/ROCm#3 (candidate evidence missing e2e/correctness). - scripts/moe_tuning_harness.py: candidate mode now takes --model/--dtype/--tokens filters and explicit --tile-m1/n1/k1/n2/k2 overrides via select_run_points() + candidate_tile_for() (legality-pre-filtered; raises on illegal tiles); no longer silently uses default_tile_for for non-default candidates. --reps configurable. Unit tests for the selection + tile-override plumbing. - Re-measured DS V3 a4w4 tile_n=128 through the CLI WITH strict aiter e2e: all 16 rows now carry kernel-path median+p95, e2e median+p95, logits_diff, correctness_pass=True (logits<=0.0016). compare_csvs over the DS V3 subset: coverage_complete=True, pareto_clean=True, 0 regressions, 5 small-token wins (tokens 1-16). Large buckets: 16384 MFU +10.1pct, 32768 +5.8pct -> not AC-3 (DEC-3 needs both). -> confirmed-on-DS-V3 small-token (AC-4) candidate; stability re-run pending. - Cleanups: removed the DEC-9 marker in a test comment; corrected the ledger to express large-bucket result as MFU pct and to reflect DEC-9/DEC-10 as RESOLVED (not open user decisions). Tests: 83 pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…areto-clean) Stability re-run of the DS V3 a4w4 stage1 tile_n=128 candidate (independent e2e sweep via the reproducible candidate CLI): - run1 vs run2 repeatability (DEC-9 band): only 1 unstable point (token 512 kernel-path, 6.5us/2.7%, a non-win mid-token point = node jitter); the 5 small-token win points (tokens 1,2,4,8,16) are stable. - run2 vs baseline: pareto_clean=True, 0 regressions (kernel-path AND e2e), the same 5 small-token wins reproduce. - strict correctness pass both runs (logits<=0.0016 all 16 points). => CONFIRMED AC-4 small-token latency win on DeepSeek V3 a4w4 (15-23% faster at tokens 1-16), Pareto-clean and re-run-stable. Still not AC-3 (32768 MFU +5.8% < 10%; needs both target buckets). docs/candidate_dsv3_a4w4_stage1n128_run2.csv + ledger updated. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…idence) Accepts the Round-1 review corrections. - Harden candidate CLI (Codex R1 blocking #1): new prepare_candidate_run() makes candidate mode fail-closed -- requires >=1 explicit --tile-* (else nonzero), requires a non-empty selection, and aborts the WHOLE run if ANY selected point's tiles are illegal, recording a machine-readable rejected-candidate record (append_rejected_candidate) and writing NO partial CSV. Removed the silent default-tile fallback for candidate mode. Host tests for no-override rejection, illegal-override fail-closed (+rejection record), and empty selection. Verified live: with no --tile-* exits rc=2 and writes no CSV. - Correct the DS V3 overclaim (Codex R1 mainline #1/ROCm#3, blocking ROCm#2): the ledger/attempts/spec now state the ACTUAL committed-CSV results -- * small-token: tokens 1-16 clear the 10% gate; tokens 32 (+5.1%) and 64 (+3.9%) do NOT -> PARTIAL DS-V3-subset improvement, NOT a confirmed AC-4 win; * large buckets: 16384 MFU +9.75% (below 10%, both runs), 32768 +5.80% -> no AC-3; * pareto_clean is a DS-V3-subset statement only; full a4w4 comparison still missing 24 points (Kimi K2 + GPT-OSS unswept). Re-labeled the 3 DS V3 attempts.jsonl entries to partial + recorded the exact top-level sweep command. Removed stale a8w4 'pending user scope decision' wording (DEC-10 resolved). Fixed the moe_tuning_spec band comment drift. Tests: 84 pass. Style clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…sion text Rejected search candidates now carry the same identity + run-provenance class as measured attempts (model/dtype/act/token/stage/config/reason + gpu_id/gpu_model/ branch/commit/command/warmup/iters + selection filters), recorded fail-closed before any partial CSV. csv_path/profile_path stay empty since a rejection never reaches compile/GPU. append_rejected_candidate enforces the richer contract (integer 0 stays valid for stage/warmup/iters); prepare_candidate_run/_main fill it from live Provenance + git + the exact top-level command. Also fix the human ledger reference block: no-regression is the regime-aware band max(2%, 8us) for tokens<=64 / max(2%, 2us) for tokens>=128, matching the code, not a flat 2us per-point floor. Tests: 86 passed (+2 rejected-candidate provenance tests). black/ruff clean. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…profile + supersede) Finish the provenance contract under-delivered in R3: - REQUIRED_REJECTED_FIELDS gains `selection`; new REQUIRED_REJECTED_PRESENT_KEYS requires `csv_path`/`profile_path` keys to EXIST (empty allowed, no artifact pre-compile). append_rejected_candidate also enforces selection is a non-empty dict. Old minimal records are now rejected. - prepare_candidate_run emits explicit csv_path=""/profile_path="" and the selection filter; _main builds the stored command with shlex.join so a spaced arg like --tokens "16 64" round-trips as an executable string. - Supersede the incomplete pre-contract rejected record in docs/attempts.jsonl: mark it superseded_by and append a full-provenance record (supersedes pointer) for the same logical rejection. - New host scan test fails if any non-superseded committed rejected_candidate record lacks the full contract; positive/negative unit tests cover the new fields. Tests: 87 passed (+1). black/ruff clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ock re-measure Return to GPU mainline (Codex R4 action item #1). Two fresh independent Kimi K2 a4w4 full-grid kernel-path sweeps on gfx950/MI350X with harness-verified pinned clocks (clocks_pinned=True) and verified idle GPU, reps=3. repeatability_check under the DEC-9 band: 16/16 kernel-path points stable. The previously-flagged Kimi K2 token-128 point is now within band -- drift 4.8us < band 5.87us (1.6pct) -- resolved on the 2pct relative term alone, no band widening. The prior 6.8us/5.8us figure came from re-scored prior-loop CSVs, not a fresh measurement. e2e not measured this round: kernel-path is the tuning target and the flagged residual; the aiter e2e AOT cache is unpopulated here, and the only prior e2e residual (kimi_k2/64 ~16us) is the documented guardrail outlier (queued). Artifacts: docs/repeat_kimi_a4w4_run{1,2}.csv, repeatability JSON live_remeasure block (historical re-scored block retained as superseded), full-provenance neutral attempt in attempts.jsonl, ledger entry. Host tests: 87 passed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Correct the R5 overclaim: the official repeatability_check scores BOTH kernel_path_us and e2e_us, and R5's kernel-path-only CSVs made it return stable=false (e2e missing). R5 also used an ephemeral /tmp script as the attempt command and named an aiter command on rows where e2e did not run. Harness: - add reusable --no-aot-check flag (threads check_aot into run_point/_aiter_cmd): e2e runs strict + correctness-checked without requiring a pre-populated AOT cache (recorded aot_status=no_aot; AOT-cache population is a separate AC-5 gate and a large out-of-scope detour, while e2e itself runs cleanly). - run_point.command now names ONLY commands actually executed for the row (the aiter command is appended only when measure_e2e is True). Measurement (durable: committed harness CLI, replay command in attempts.jsonl): two fresh pinned-clock (clocks_pinned=True, idle verified) full 16-token Kimi K2 a4w4 sweeps with measure_e2e=True, reps=3. repeatability_check -> stable=true, 0 unstable on BOTH metrics. token-128 kp 0.6us/e2e 0.25us within band. The prior token-64 e2e ~16us 'outlier' did NOT reproduce on the strict path (0.43us) -- it was a legacy re-scored-CSV artifact. No band widening. -> AC-1.1 MET. Artifacts updated to agree on the two-metric result: repeatability JSON, ledger md, attempts.jsonl (durable command), bitlesson. Host tests: 87 passed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ectness gate Fix the R6 provenance defect Codex caught: the R6 CSVs/attempt recorded commit 8527041, but --no-aot-check was only committed in 61c677b, so the recorded command was not replayable; the attempt command also used #-comment steps and run{1,2}.csv brace shorthand. Provenance repair: - re-ran both Kimi K2 a4w4 two-metric sweeps from clean HEAD 61c677b (which contains --no-aot-check); CSV rows + the new attempt record carry that commit. - superseded the defective R5 (kernel-path-only) and R6 (non-replayable) attempts via superseded_by; appended a record with exact run1/run2/repeatability_check replay commands (no /tmp, no comments, no brace shorthand). - repeatability_check stable=true, 0 unstable on BOTH metrics; token-128 kp 0.8us / e2e 0.37us within band. No band widening. Guardrails (the two R6-blocking side issues): - ledger.selected_candidate_gate: rejects aot_status!=checked / correctness_pass !=True / logits_diff>0.01, so a no_aot repeatability CSV can never be promoted to a candidate win (real AOT-cache population still tracked under AC-5). - ledger.scan_replay_consistency + committed-ledger test: a multi-file repeatability attempt whose command does not replay every csv_path file fails. Tests: 91 passed (+4). black/ruff clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…_win Close the R6 AC-5 leak Codex re-flagged: selected_candidate_gate existed but the comparator ignored it, so a no_aot candidate with winning metrics still reported pareto_clean + win lists. - CampaignVerdict gains a `gate` dict and a `claimable_win` property = pareto_clean AND (large_wins or small_wins) AND gate.passed. - compare_csvs runs selected_candidate_gate on the candidate by default and stores it; promotability is now decided by claimable_win alone (no optional 2nd call). - docstring + ledger Rules updated to make claimable_win the single source of truth (pareto_clean + win lists is NOT sufficient). - Tests: a fully-covered, non-regressing, otherwise-winning no_aot candidate -> gate.passed False AND claimable_win False; a checked+correct winning candidate -> claimable_win True. Leak probe vs real no_aot CSV -> claimable_win False. Tests: 93 passed (+2). black/ruff clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…o profiling)
Return to task6 GPU tuning (Codex R8 directive step 1). Pinned-clock, idle-verified
kernel-path sweep over ALL legal DS V3 a4w4 stage1 tiles (tile_m {32,64,128} x
tile_n {64,128,256}, k1=256; stage2 256/256) at tokens 32 and 64 via the
fail-closed candidate CLI, reps=3.
AC-4's small-token criterion is kernel-path latency. Baseline kp t32=179.8 /
t64=203.0; gate needs t32<=161.8 / t64<=182.7 (-10% and >=2us). Result: NO legal
tile clears the gate -- best balanced is m32_n128 (t32 -7.5%, t64 -7.5%); all
small/mid tiles land -3..-7.6%, large tiles (m128) regress +38..+101%.
Conclusion: stage1 tile-only tuning cannot make DS V3 32/64 an AC-4 win (~2-5us
short). Routed to the AC-3/AC-4 profiling + secondary-levers task. DS V3
small-token wins remain tokens 1-16. Recorded as an honest `loss` attempt with the
exact replayable per-variant commands (scan_replay_consistency clean) + ledger
entry; 9 CSVs under docs/dsv3_3264_sweep/.
Host tests: 93 passed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
… wording
Address Codex R9 review: R9's "all legal stage1 tiles / tile-only exhausted"
wording was overbroad (it was only the bounded m{32,64,128}xn{64,128,256} k1=256
grid). Two fixes:
1. Reword the ledger DS V3 32/64 entry to a SCOPED k1=256 statement.
2. Sweep the remaining legal k1=256 stage1 configs Codex identified, at tokens
32/64 (pinned+idle, reps=3, fail-closed CLI):
- tile_n=32 (m32/64/128): measured -> none wins (m32_n32 -1.9%/-4.5% best;
m64_n32 +4.4%; m128_n32 +70%).
- tile_n=512 (m32/64/128): harness emits EMPTY kernel-path (same class as the
tile_k1!=256 limitation) -> not measurable here.
- tile_m=256 (n32/64/128/256): ILLEGAL (s2 lds_over_limit), correctly rejected
by the fail-closed CLI -> 4 rejected-candidate records with full provenance.
Across ALL measurable legal k1=256 stage1 tiles, none clears the -10% gate (best
stays m32_n128 -7.5%/-7.5%). Not covered: tile_k1>256 and tile_n=512 (harness
empty-stage-time limitation), and stage2/secondary levers -> profiling next.
Honest loss attempt + 4 rejections; scan_replay_consistency clean. Updated the
queued harness-limitation note to include tile_n=512. Host tests: 93 passed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…sing metrics, correct claim) Address Codex R10 review's three defects: 1. Duplicate rejected records: R10 had 8 active rejected_candidate records for the same 4 tile_m1=256 probes (live-CLI + manual append). Superseded the manual duplicates -> exactly one active record per probe. New ledger.scan_duplicate_rejected_candidates + committed-ledger test fail on duplicate non-superseded rejections sharing (model,dtype,act,token,config). 2. Blank-metric rows recorded as loss: candidate mode now fails closed when any row has missing stage1_us/stage2_us/kernel_path_us (new row_missing_kernel_path guard) -- records machine-readable rejected measurements + rc=2, no CSV. The R10 loss attempt is corrected to cover only the MEASURED tile_n=32 configs; the 3 tile_n=512 blank rows are now rejected measurements (unmeasured shape), not losses. Unit-tested. 3. Overclaim corrected: tile_m=256 is stage1-LEGAL (LDS 132096<163840), only rejected by the current stage2 tile_m coupling -- not globally illegal. Ledger reworded: DS V3 32/64 result is the R9 grid + R10 tile_n=32 MEASURED non-win, NOT a complete legal-k1=256 sweep (tile_m=256 pending independent tile_m2; tile_n=512/tile_k>256 unmeasured). Independent --tile_m2 plumbing tracked as the next mainline task. Tests: 96 passed (+3). black/ruff clean; no workflow markers in code. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Address Codex R11 review's two concrete defects: 1. Wrong superseded_by links: the 4 superseded tile_m1=256 rejected records all pointed to the tile_n1=256 active timestamp instead of their matching active records. Repointed n32/n64/n128 to their own active records (n256 already correct). Also backfilled act=silu on the pre-contract tile_m1=16 superseded record so its key matches its full-provenance successor. New ledger.scan_superseded_rejected_candidates verifies every superseded record links to an existing active record of the SAME (model,dtype,act,token,config) key; committed-ledger test enforces it. 2. black --check actually failed on tests/unit/test_moe_tuning_harness.py (R11 summary wrongly claimed clean). Ran black; black/ruff now both pass. All three ledger scans clean: duplicate=[], replay=[], superseded-link=[]. Tests: 98 passed (+2). No workflow markers in code. Independent stage2 tile_m2 plumbing remains the immediately-next mainline task. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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…is a loss Ran the now-unblocked independent stage2 tile_m2 sweep (Codex R1 directive #1): stage1 tile_m1=256, tile_n1 in {32,64,128}, k1=256; stage2 tile_m2=64/256/256, at tokens 32/64 (pinned+idle, reps=3, kernel-path, fail-closed CLI). Result (correct measurements, not R0's under-launched timing): large stage1 tile_m1=256 is catastrophically bad at small tokens -- t32 +434..+3004%, t64 +426..+3389% vs baseline (179.8/203.0us); best (n128) t32 960.7 / t64 1068.0us, still 4-5x slower. NONE wins. This definitively settles that increasing stage1 tile_m does not help DS V3 32/64 (a 256-row tile wastes work on 32-64 tokens). tile_n1=256 emitted empty kernel-path (harness limit) -> rejected fail-closed. DS V3 32/64 routed to the profiling pass + secondary levers (stage2 tile/xcd/persist), not stage1 tile size. Honest loss recorded with full provenance; ledger scans clean. 103 unit tests still pass. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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…l branches Two issues raised in review: 1. docs.yml concurrency (review #1): the group `gh-pages-deploy` was shared across push(main) / push(ci_dashboard) / pull_request, and the comment said "serialize" while `cancel-in-progress: true` actually cancels in-flight runs. A PR build could cancel an in-progress main deploy. Qualify the group by `github.event_name` + `github.ref` so a PR never cancels a main/ci_dashboard deploy and the two push refs don't cancel each other; fix the comment to describe the real (supersede) semantics. 2. ingest.py resolve_pr was dead code (review ROCm#2): list_runs hardcoded branch=main, and `?branch=` filters on head_branch, so only push-to-main runs were ever scanned — every run's event was `push`, so resolve_pr returned None on the second line and history `pr` was always null. The dashboard's app.js has a full per-PR view that depends on this field. Fix the data source: scan all branches by default (no branch filter) so PR runs are included and resolve_pr can attach PR numbers; add an optional --branch to restrict. Tests: add list_runs coverage (default no-filter vs explicit branch). 21 pass.
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Summary
Checkpoint of the MXFP4 (per-1×32 microscale fp4) MoE 2-stage GEMM tuning campaign on gfx950/MI350X. This is a draft / work-in-progress artifact, opened to snapshot a completed RLCR loop.
No production kernel logic is changed:
kernels/moe_tuning.pyandkernels/moe_tuning_spec.pyare new tuning-support modules; the only edit to the kernel test harness is additive p95 print observability.What's verified in here
logits_diff <= 0.01).claimable_wingate (full coverage + no regression + a real win + AOT/correctness hard gate), with integrity scans (duplicate / replay / supersede-link) and tests.Honest negative result
DeepSeek V3 a4w4 small-token latency at tokens 32/64 cannot be won by stage1 tile tuning at tile_k=256 across the measurable legal tile set (best ~−7.5%, the gate needs −10%). Routed to profiling + secondary levers next loop.
Not done (next loop)
tile_m2plumbing; profiling-directed secondary levers (xcd_swizzle / persist_m / async / split-K); full 40-point Pareto; remaining AC-5 hard gates; AC-6 shape→config dispatch.Testing
python3 -m pytest tests/unit/test_moe_tuning_harness.py tests/unit/test_moe_tuning_legality.py→ 98 passed. black + ruff clean on the added/changed Python.🤖 Generated with Claude Code