#149: [glassperf] VERIFIED in the 2-node render harness (correcting 9e78d1c's premature claim)

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9e78d1c said 'smoke-tested: lines live' -- that run never entered the render
loop and printed nothing.  This run did: 54 [glassperf] lines, e.g.

  ticks=16 tickMs=256.9 | Heat MFD 24.8 | Engineering 20.6 | Comm 18.7 |
  LeftW 20.6 | RightW 22.8 | Secondary/Radar 67.9 | ...

First finding, already: the synchronous panel sweep costs ~257ms/second even
on the DEV box (25% tax, hidden in headroom), and Secondary/Radar -- the
ROTATED portrait blit -- is the most expensive window.  Oracle's machine
paying 4-8x that through his driver is now a quantified hypothesis, not a
guess.  Optimization targets regardless of his verdict: dirty-gated repaints,
non-HALFTONE unscaled blits, cheaper rotation.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018SgmXGNMXavXiafKXf9MDC

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This commit is contained in:

Joe DiPrima

2026-08-09 19:05:20 -05:00

co-authored by Claude Opus 5

parent 9e78d1cc23

commit 2ed51cb1f3

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