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increase USB bulk transfer size to 64KB#125

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adeebshihadeh merged 1 commit into
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coalesce-sparse-chunks
Mar 8, 2026
Merged

increase USB bulk transfer size to 64KB#125
adeebshihadeh merged 1 commit into
masterfrom
coalesce-sparse-chunks

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@adeebshihadeh

@adeebshihadeh adeebshihadeh commented Mar 8, 2026

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Flashing a 3.7GB sparse system image (flash_system.sh) on a comma four (3801:9008), 3 runs each:

Transfer Size Avg Time Throughput
16 KB (before) 37.4s 131 MB/s
64 KB (after) 33.5s 148 MB/s
128 KB 33.5s 150 MB/s
256 KB 33.6s 150 MB/s

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
@adeebshihadeh adeebshihadeh merged commit 392e83d into master Mar 8, 2026
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@adeebshihadeh adeebshihadeh deleted the coalesce-sparse-chunks branch March 8, 2026 20:44
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