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NVIDIA/cccl

CUDA Core Compute Libraries

    Works.Tested on 2026-10-27. From the README alone, on Linux with Haiku.

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    Share card: NVIDIA/cccl works
    The card X shows when you post.Download

    What we checked

    Does it run from the README?Yes. Running in 4:46 on a clean Linux box.The run

    Tested Oct 27, 2026, rev 72c6a92.

    Full run evidence and history

    Does it do what the README says?2 of 2 claims held up.Evidence

    “CCCL is header-only and the convenience installer copies its headers into the prefix”

    Expected cub.cuh header installed under the prefix. Got Installing: <guest-path>

    “A convenience script installs CCCL to a given directory”

    Expected install finishes with success banner. Got Install CCCL - Success.

    Which checks were skipped?1 check skipped.Reasons

    Skipped checks count as neither passes nor failures.

    Examples: 1 skipped

    • Installation example project (examples/basic) builds CCCL demo: Not runnable in this VM: examples/basic declares project(CCCLDemo CUDA), needs an NVIDIA nvcc (none installed, no /usr/local/cuda, no GPU) and fetches CCCL from GitHub via CPM. Ran the README installer ci/install_cccl.sh instead, which is the documented install path.
    Which setups did we try?Works with Haiku. Unverified with Luna.Setups

    Linux / Haiku: works, Oct 27, rev 72c6a92. Linux / Luna: unverified, Oct 27, rev 72c6a92.

    Needs keys, a login or a browser?No.Details

    None seen

    Is it safe to run?No unexpected network or file activity found in these checksWhat we saw

    No problems traced to this repository code in these checks; a short run cannot prove safety. 10 listed items (named-host connections, static matches, dependency advisories) are below and do not change this verdict.

    Source contains download and execute; review its purpose. ci/pyenv_helper.sh

    Gitleaks found a possible hardcoded secret; value withheld. 2 distinct locations. 4 findings.

    Reviewed as expected for a test run: attempted writes that failed, so nothing was written.

    Full event, path and process lists for each observed setup:

    A quiet run is not a safety guarantee.

    Is it maintained?Maintained · 1008 commits in 90 days · 1048 merged PRs in 90 days · 1475 open issues · 396 open PRsActivity

    actively maintained: last commit 0 days ago; 1008 commits and 1048 merged PRs in 90 days; 1475 open issues, 396 open PRs; latest release 2026-10-07

    Recent commits on GitHub

    Can I show this on my README?Copy the badge.Badge
    ![coldpass](https://coldpass.dev/badge/NVIDIA--cccl.svg)

    The run

    Oct 27 · rev 72c6a92
    0:001:002:003:004:004:46

    Independent test, not endorsed by the project.