Fix GAP9 L3 Performance and Memory Transfer#197

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runwangdl wants to merge 7 commits into

pulp-platform:develfrom

runwangdl:fix-gap9-l3-board

Commits on Jun 18, 2026

fix(GAP9): L3-aware input/output handling in board test harness
runwangdl
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perf(GAP9): split L3 tiling DMA — blocking for SB, async for DB
runwangdl
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