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After a slow freeze the passes wait 250 ms, doubled for each further slow one, but the first fast freeze after a hold started the doubling over, so in the seconds after a load a 4-5 ms freeze came every 250 ms (Kakariko, 2026-11-13: five in a row, 16 frames apart), and freezes of 4-10 ms pushed frames of 25-52 ms over the stutter line. The doubling now starts over only after freeze_quiet_ms (default 5000; 0: the old rule) without a slow freeze. No pass runs while the texture pool makes an area's textures, when the frames are held anyway and one freeze took 32.4 ms, nor for freeze_load_hold_ms (default 3000; 0: off) after that or after an area's load. The regions that go idle meanwhile stay queued and are frozen later; their write-watch queries go on until then. A region is now queued once instead of again every freeze_idle submissions while the passes are held. The rules are in runtime/freeze_hold.h, checked by tests/freeze_hold_check.py. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
"""Build and run tests/freeze_hold_check.c: runtime/freeze_hold.h, which says when the freezing of idle guest regions
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waits (the backoff after slow freezes and its quiet time, and the hold around area loads).
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No GPU, no game files, any Python.
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Usage: freeze_hold_check.py
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"""
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import os
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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MSYS_BIN = Path(r'C:\msys64\ucrt64\bin')
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def compiler():
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"""$CC, else MSYS2 UCRT64's clang, else clang on PATH (as tests/diff/common.py picks it, without its Unicorn)."""
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if os.environ.get('CC'):
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return os.environ['CC']
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if os.name == 'nt' and (MSYS_BIN / 'clang.exe').exists():
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return str(MSYS_BIN / 'clang.exe')
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return shutil.which('clang') or 'clang'
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def main():
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work = ROOT / 'build' / 'test' / 'freeze_hold'
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work.mkdir(parents=True, exist_ok=True)
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exe = work / ('freeze_hold_check.exe' if os.name == 'nt' else 'freeze_hold_check')
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env = dict(os.environ)
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if os.name == 'nt' and MSYS_BIN.exists():
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env['PATH'] = str(MSYS_BIN) + os.pathsep + env.get('PATH', '')
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subprocess.check_call([compiler(), '-std=gnu11', '-O1', '-Wall', '-Werror', '-I', str(ROOT / 'runtime'),
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str(ROOT / 'tests' / 'freeze_hold_check.c'), '-o', str(exe)], env=env)
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return subprocess.run([str(exe)], env=env).returncode
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if __name__ == '__main__':
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sys.exit(main())
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