thejayman77
ba74bbd5aa
Per-vertex GS fog end-to-end (gs_stub emit incl. persp_emit5, gs_prim_list_feeder XYZ2->XYZF2 on PRIM.FGE, gs_make_sh3_scheduler_fixture.py F/FGE packing), new fog TBs, fidelity attribution tooling. Functional baseline before removing the dead bilinear lerp8 clamps (Codex: 161-node comb loop -> -0.042ns setup fail). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
#!/usr/bin/env python3
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"""Fail closed if a runtime-CLUT fit has timed out a required fabric branch."""
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from __future__ import annotations
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import argparse
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import re
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import sys
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from pathlib import Path
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DEFAULT_OUTPUT = Path(
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"synth/de25_nano/top_psmct32_raster_demo/output_files"
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)
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REVISION = "de25_nano_psmct32_raster_demo_top"
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def read(path: Path) -> str:
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try:
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return path.read_text(encoding="utf-8", errors="replace")
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except OSError as exc:
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raise SystemExit(f"FAIL: cannot read {path}: {exc}") from exc
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def summary_value(text: str, label: str) -> int:
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match = re.search(rf"^{re.escape(label)}\s*:\s*([0-9,]+)\s*/", text, re.M)
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if not match:
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raise SystemExit(f"FAIL: missing '{label}' in fit summary")
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return int(match.group(1).replace(",", ""))
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def main() -> int:
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parser = argparse.ArgumentParser()
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parser.add_argument("--output-dir", type=Path, default=DEFAULT_OUTPUT)
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args = parser.parse_args()
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fit_summary = args.output_dir / f"{REVISION}.fit.summary"
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fit_report = args.output_dir / f"{REVISION}.fit.rpt"
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sta_summary = args.output_dir / f"{REVISION}.sta.summary"
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summary = read(fit_summary)
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fit = read(fit_report)
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sta = read(sta_summary)
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failures: list[str] = []
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if "Fitter Status : Successful" not in summary:
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failures.append("fitter did not report success")
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alms = summary_value(summary, "Logic utilization (in ALMs)")
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rams = summary_value(summary, "Total RAM Blocks")
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# A 640x480 persistent-Z runtime scene normally consumes roughly 79% ALMs
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# and 74% M20Ks. These deliberately loose floors catch path pruning, not
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# healthy placement variation.
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if alms < 20_000:
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failures.append(f"only {alms:,} ALMs; runtime raster fabric appears pruned")
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if rams < 150:
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failures.append(f"only {rams} RAM blocks; runtime texture/Z fabric appears pruned")
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for name in ("u_demo|g_feeder", "u_texcache|tex_mem", "u_zc_emit|u_req"):
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if name not in fit:
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failures.append(f"required fitted hierarchy missing: {name}")
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for warning in (
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"feeder staging RAM dest EMPTY",
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"tex_mem dst matched 0 keepers",
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):
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if warning in fit:
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failures.append(f"runtime SDC endpoint missing: {warning}")
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emif_setup = re.search(
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r"Type\s*:\s*Setup 'u_emif_lpddr4b\|iopll\|iopll_0_outclk0'\s*\n"
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r"Slack\s*:\s*([+-]?[0-9.]+)\s*\n"
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r"TNS\s*:\s*([+-]?[0-9.]+)",
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sta,
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)
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if not emif_setup:
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failures.append("missing 310 MHz EMIF setup summary")
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else:
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setup_slack, setup_tns = map(float, emif_setup.groups())
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if setup_slack < 0 or setup_tns < 0:
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failures.append(
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f"310 MHz setup fails: slack {setup_slack:+.3f} ns, TNS {setup_tns:+.3f} ns"
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)
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if failures:
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print("RUNTIME FABRIC FIT: FAIL")
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for failure in failures:
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print(f"- {failure}")
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return 1
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print(
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"RUNTIME FABRIC FIT: PASS "
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f"({alms:,} ALMs, {rams} RAM blocks, feeder/texture/Z present, 310 MHz setup met)"
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)
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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