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Get scalar from VRAM when using ROCm and large bar is enabled#3048

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pschlan-amd wants to merge 1 commit intoROCm:developfrom
pschlan-amd:scalar_largebar
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Get scalar from VRAM when using ROCm and large bar is enabled#3048
pschlan-amd wants to merge 1 commit intoROCm:developfrom
pschlan-amd:scalar_largebar

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@pschlan-amd
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@pschlan-amd pschlan-amd commented Mar 6, 2026

Motivation

When large BAR is enabled, we should be able to read scalars directly from VRAM and can skip the malloc + memcpy, reducing the latency.

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rocm-repo-management-api bot commented Mar 6, 2026

Jenkins build for 94e90632358dcd6435b90d94a8d0ac1f63e69fce commit finished as FAILURE
Links: Pipeline Overview / Build artifacts / Test Results

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rocm-repo-management-api bot commented Mar 9, 2026

Jenkins build for 94e90632358dcd6435b90d94a8d0ac1f63e69fce commit finished as FAILURE
Links: Pipeline Overview / Build artifacts / Test Results

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Jenkins build for 94e90632358dcd6435b90d94a8d0ac1f63e69fce commit finished as FAILURE Links: Pipeline Overview / Build artifacts / Test Results

Failures seem to also be reproducible without this patch, so probably unrelated

@pschlan-amd pschlan-amd marked this pull request as ready for review March 9, 2026 13:05
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