Bar-overlap fix: extend ylim by 35-45% above the tallest bar to give the
"P GPU only sees 328 requests" and "P GPU does 1.07M tokens" annotations
clean white-bbox space above the bars instead of crashing into the KVC D
bars at x=1. Move both annotation xytext positions to x=2.4 (left panel)
and x=5.5 (right panel) so the arrows pull away from the orange P bar
toward the center of the panel.
Group labels (KVC 1P3D / DP 4-way CA) kept in axes-fraction bboxes at
y=1.02; subplot titles raised to pad=24 to leave room.
Note: a small visual collision between the bboxed group labels and the
subplot-title second line remains in the rendered output (acknowledged
in the prior conversation). Acceptable for now; full layout rework is
deferred. The annotation-vs-bar overlap (the original blocker) is fixed.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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