nvbandwidth

LOW

maintainer arichiardi 0 votes scanned 2026-10-21 17:32:44.330620

View on AUR

Why flagged

Uploaded within the last 14 days with 2 or fewer community votes — little peer review so far.

Triggered rules

Low Few votes, recently uploaded zero_votes_recent

Uploaded within the last 14 days with 2 or fewer community votes — little peer review so far.

PKGBUILD

      1# Maintainer: Andrea Richiardi <a.richiardi.work at gmail dot com>
    
      2#
    
      3# nvbandwidth replaces the cuda-samples p2pBandwidthLatencyTest sample, which
    
      4# NVIDIA removed in the CUDA 13.4 samples update.
    
      5#
    
      6# Optional build environment variables, all read by CMake itself (see README.md):
    
      7#   CUDACXX         CUDA compiler              (default /opt/cuda/bin/nvcc)
    
      8#   CUDAHOSTCXX     CUDA host C++ compiler     (unset: nvcc default)
    
      9#   CUDAARCHS       GPU architectures          (unset: upstream detects)
    
      10#   CUDAFLAGS       extra nvcc flags           (unset)
    
      11#   LDFLAGS         extra linker flags         (unset: use -L when the driver
    
      12#                                               userspace is outside /usr/lib)
    
      13
    
      14pkgname=nvbandwidth
    
      15pkgver=0.10.0
    
      16pkgrel=1
    
      17pkgdesc='Bandwidth measurements on NVIDIA GPUs, including device-to-device P2P'
    
      18arch=('x86_64')
    
      19url='https://github.com/NVIDIA/nvbandwidth'
    
      20license=('Apache-2.0')
    
      21depends=('cuda')
    
      22makedepends=('cmake')
    
      23source=("$pkgname-$pkgver.tar.gz::$url/archive/refs/tags/v$pkgver.tar.gz")
    
      24sha256sums=('37fc32ef8b2b6c3f08591b7564c497cb501d8899badf72b4c73753c51230cb70')
    
      25
    
      26build() {
    
      27	cd "$srcdir"
    
      28
    
      29	# nvcc may not be in PATH on Arch; the cuda package installs to /opt/cuda.
    
      30	export CUDACXX="${CUDACXX:-/opt/cuda/bin/nvcc}"
    
      31
    
      32	# Upstream reads CMAKE_CUDA_ARCHITECTURES before project() and then unsets
    
      33	# the value that CMake initialises from CUDAARCHS, so forward it instead.
    
      34	local _cmake_args=()
    
      35	[[ -n "${CUDAARCHS:-}" ]] && _cmake_args+=(-DCMAKE_CUDA_ARCHITECTURES="$CUDAARCHS")
    
      36
    
      37	cmake -Wno-author -S "$pkgname-$pkgver" -B build \
    
      38		-DCMAKE_BUILD_TYPE=Release \
    
      39		-DCMAKE_INSTALL_PREFIX=/usr \
    
      40		"${_cmake_args[@]}"
    
      41	cmake --build build --parallel "$(nproc)"
    
      42}
    
      43
    
      44package() {
    
      45	cd "$srcdir"
    
      46
    
      47	install -Dm755 build/nvbandwidth "$pkgdir/usr/bin/nvbandwidth"
    
      48	install -Dm644 "$pkgname-$pkgver/LICENSE" "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
    
      49	install -Dm644 "$pkgname-$pkgver/Licenses.txt" "$pkgdir/usr/share/licenses/$pkgname/Licenses.txt"
    
      50	install -Dm644 "$pkgname-$pkgver/README.md" "$pkgdir/usr/share/doc/$pkgname/README.md"
    
      51}
    
      52

Scan history

Scanned at (UTC)	Severity	Rules
2026-10-21 17:32:44	Low	1