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cosim-gpu-build

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Mis à jour7 juillet 2026 à 08:51

Use when building gem5 or QEMU, checking build provenance, or preserving gem5 incremental builds across worktrees. Delegates to scripts/cosim_build.sh; never hand-roll Docker, scons, or QEMU make commands.

Installation

Installer avec Codex ou Claude Copiez ce prompt, collez-le dans Codex, Claude ou un autre assistant, puis laissez-le vérifier la page du skill et l'installer pour vous.

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gevico

gevico/cosim-gpu-skills

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Métiers associésSOC

Basé sur la classification professionnelle SOC

Administrateurs de réseaux et de systèmes informatiquesProfessions informatiques et mathématiques·SOC 15-1244

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SKILL.md

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name	cosim-gpu-build
description	Use when building gem5 or QEMU, checking build provenance, or preserving gem5 incremental builds across worktrees. Delegates to scripts/cosim_build.sh; never hand-roll Docker, scons, or QEMU make commands.

Cosim Build

Build gem5 and QEMU for cosim through scripts/cosim_build.sh. This script is the single source of truth for compilation, metadata, and incremental skip behavior.

Quickstart

bash scripts/cosim_build.sh gem5
bash scripts/cosim_build.sh qemu
bash scripts/cosim_build.sh all
bash scripts/cosim_build.sh gem5 --force

For an isolated gem5 worktree:

GEM5_DIR=/abs/path/to/gem5-worktree bash scripts/cosim_build.sh gem5

When testing that worktree, pass the matching binary explicitly:

--gem5-bin /abs/path/to/gem5-worktree/build/VEGA_X86/gem5.opt

Required Policy

Read references/build-policy-and-provenance.md before deciding whether to rebuild, accepting binary evidence, using a nonstandard binary, or responding to stale metadata.

Read references/worktree-incremental-build.md before creating an isolated worktree, copying build outputs, removing an artifact worktree, or accepting evidence from a nonstandard gem5 worktree.

Do not run raw docker run ... scons, direct scons, or make -C qemu/build commands as substitutes for the build script.

Binary Locations

Component	Binary
gem5	`gem5/build/VEGA_X86/gem5.opt`
QEMU	`qemu/build/qemu-system-x86_64`

The build script creates the Docker image from scripts/Dockerfile.run when it is missing.

Integration

cosim-gpu-flow-plan records source bases before build evidence matters.
cosim-gpu-test and cosim-gpu-debug check provenance before launch.
After any rebuild, all earlier test evidence is stale for current source until rerun with the intended binary.

Verification

bash scripts/cosim_build.sh gem5
cat gem5/build/VEGA_X86/.cosim-build-meta
bash scripts/cosim_build.sh gem5

The second run should report that gem5 is up to date and skip rebuilding.

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Use when collecting, summarizing, auditing, or comparing cosim evidence from artifact directories, large logs, matrices, verdict files, build provenance, or prior conversation records; also use when reducing raw log reads or checking whether existing artifacts lose information. Enforces full raw evidence preservation, bounded reads, source attribution, compact tables, raw-read plans, coverage self-reporting, and unknown-event preservation before analysis.

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name	cosim-gpu-build
description	Use when building gem5 or QEMU, checking build provenance, or preserving gem5 incremental builds across worktrees. Delegates to scripts/cosim_build.sh; never hand-roll Docker, scons, or QEMU make commands.

Cosim Build

Build gem5 and QEMU for cosim through scripts/cosim_build.sh. This script is the single source of truth for compilation, metadata, and incremental skip behavior.

Quickstart

bash scripts/cosim_build.sh gem5
bash scripts/cosim_build.sh qemu
bash scripts/cosim_build.sh all
bash scripts/cosim_build.sh gem5 --force

For an isolated gem5 worktree:

GEM5_DIR=/abs/path/to/gem5-worktree bash scripts/cosim_build.sh gem5

When testing that worktree, pass the matching binary explicitly:

--gem5-bin /abs/path/to/gem5-worktree/build/VEGA_X86/gem5.opt

Required Policy

Read references/build-policy-and-provenance.md before deciding whether to rebuild, accepting binary evidence, using a nonstandard binary, or responding to stale metadata.

Read references/worktree-incremental-build.md before creating an isolated worktree, copying build outputs, removing an artifact worktree, or accepting evidence from a nonstandard gem5 worktree.

Do not run raw docker run ... scons, direct scons, or make -C qemu/build commands as substitutes for the build script.

Binary Locations

Component	Binary
gem5	`gem5/build/VEGA_X86/gem5.opt`
QEMU	`qemu/build/qemu-system-x86_64`

The build script creates the Docker image from scripts/Dockerfile.run when it is missing.

Integration

cosim-gpu-flow-plan records source bases before build evidence matters.
cosim-gpu-test and cosim-gpu-debug check provenance before launch.
After any rebuild, all earlier test evidence is stale for current source until rerun with the intended binary.

Verification

bash scripts/cosim_build.sh gem5
cat gem5/build/VEGA_X86/.cosim-build-meta
bash scripts/cosim_build.sh gem5

The second run should report that gem5 is up to date and skip rebuilding.