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UCT/GDR_COPY: Add option for PCIe BAR1 export#11314

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yosefe merged 7 commits into
openucx:masterfrom
tvegas1:gdr_copy_pcie
Apr 21, 2026
Merged

UCT/GDR_COPY: Add option for PCIe BAR1 export#11314
yosefe merged 7 commits into
openucx:masterfrom
tvegas1:gdr_copy_pcie

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@tvegas1 tvegas1 commented Mar 31, 2026

What?

Add option to export to PCIe BAR1.

How

Call gdr_pin_buffer_v2(, flag=1, ..) made, confirmed functional with OSU latency benchmark.

@tvegas1 tvegas1 changed the title UCT/GDR: Add option for PCIe BAR1 export UCT/GDR_COPY: Add option for PCIe BAR1 export Apr 1, 2026
Comment thread config/m4/gdrcopy.m4 Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread test/gtest/uct/test_md.cc Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
Comment thread src/uct/cuda/gdr_copy/gdr_copy_md.c Outdated
@tvegas1 tvegas1 requested a review from yosefe April 20, 2026 07:48
@yosefe yosefe merged commit 12e47d4 into openucx:master Apr 21, 2026
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2 participants