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difftest: pipeline FPGA batch bus + beat-serialize AXIS to ease conge…#847

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xiaokamikami wants to merge 2 commits intomasterfrom
difftest-fpga-timing-20260402
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difftest: pipeline FPGA batch bus + beat-serialize AXIS to ease conge…#847
xiaokamikami wants to merge 2 commits intomasterfrom
difftest-fpga-timing-20260402

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@xiaokamikami
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  • Cut the wide Gateway->Host path with a register slice to reduce long routes.

  • Replace 16008-bit per-beat shift with beat-indexed serialization to shrink active cones.

  • Intended to ease routing congestion and improve PCIe-clock timing.

@xiaokamikami xiaokamikami requested a review from klin02 April 3, 2026 02:33
@xiaokamikami xiaokamikami force-pushed the difftest-fpga-timing-20260402 branch from f293406 to 17a5e2a Compare April 3, 2026 02:35
@klin02
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klin02 commented Apr 8, 2026

Maybe rebase the master and test again?

…stion

- Cut the wide Gateway->Host path with a register slice to reduce long routes.

- Replace 16008-bit per-beat shift with beat-indexed serialization to shrink active cones.

- Intended to ease routing congestion and improve PCIe-clock timing.
@xiaokamikami xiaokamikami force-pushed the difftest-fpga-timing-20260402 branch 4 times, most recently from 56ef2c2 to f1fa089 Compare April 10, 2026 06:56
@klin02
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klin02 commented Apr 10, 2026

@copilot Give a short commit message, like previous commit message in this repo.

Co-authored-by: klin02 <78006150+klin02@users.noreply.github.com>
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Copilot AI commented Apr 10, 2026

@copilot Give a short commit message, like previous commit message in this repo.

Done — updated in c8142c4: refactor(fpga): pipeline batch bus and beat-serialize AXIS

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3 participants