lofivor optimization journal
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goal: maximize entity count at 60fps for survivor-like game

baseline: individual drawCircle calls
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technique: rl.drawCircle() per entity in loop
code: sandbox_main.zig:144-151
bottleneck: render-bound (update <1ms even at 30k entities)

benchmark1.log results (AMD Radeon):
- 60fps stable: ~4000 entities
- 60fps breaks: ~5000 entities (19.9ms frame)
- 10k entities: ~43ms frame
- 20k entities: ~77ms frame
- 25k entities: ~97ms frame

analysis: linear scaling, each drawCircle = separate GPU draw call

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optimization 1: [pending]
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technique:
results:
notes: