Jesse_ChenandClaude Opus 5.5
f8fa4d66ef
Byte-identical to the legacy path on four fictional charts (PyJHora masked), -19–26% end to end (median 23%). Short of the 25% written on the ticket; the product owner chose to turn it on anyway. JYOTISH_REPORT_RENDER_FAST=0 restores the old path. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DbBXoz1Qk3y9buDv1mkmTu
43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
"""Call-time switches for long-report rendering and same-chart reuse.
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Values are read on every call so one process can measure the old path and the
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new path back to back. The old path stays in place when a switch is off.
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"""
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from __future__ import annotations
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import os
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# Masked Windows A/B on 2026-10-14: render shortcuts byte-identical, less memory,
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# end-to-end -20–23%, short of the 35% gate then set, so the path stayed off.
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# Linux A/B on 2026-10-28 (four fictional charts, PyJHora masked): byte-identical
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# again, -19–26% (median 23%). The product owner chose to turn it on anyway
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# (issue #121, option A); JYOTISH_REPORT_RENDER_FAST=0 restores the old path.
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# Cache hits matched the miss bytes and returned in about 0.06s, under the 1.5s
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# gate. A missing or unknown GITHUB_SHA still disables the cache at the call site.
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RENDER_FAST_DEFAULT = True
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REFERENCE_CACHE_DEFAULT = True
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_ON = {"1", "true", "yes", "on"}
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def _enabled(name: str, default: bool) -> bool:
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raw = os.environ.get(name)
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if raw is None or not raw.strip():
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return default
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return raw.strip().lower() in _ON
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def report_render_fast_enabled() -> bool:
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"""True when the equivalent render and hash shortcuts may run."""
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return _enabled("JYOTISH_REPORT_RENDER_FAST", RENDER_FAST_DEFAULT)
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def report_reference_cache_enabled() -> bool:
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"""True when a full_data markdown response may be reused from disk.
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A missing or ``unknown`` ``GITHUB_SHA`` still disables the cache at the
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call site. This function only reads the switch.
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"""
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return _enabled("JYOTISH_REPORT_REFERENCE_CACHE", REFERENCE_CACHE_DEFAULT)
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