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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
ROCM_VERSION=${PV}
inherit cmake rocm
DESCRIPTION="Wrapper of rocPRIM or CUB for GPU parallel primitives"
HOMEPAGE="https://github.com/ROCm/rocm-libraries/tree/develop/projects/hipcub"
SRC_URI="
https://github.com/ROCm/rocm-libraries/releases/download/therock-${PV%.0}/hipcub.tar.gz -> hipcub-${PV}.tar.gz
benchmark? (
https://github.com/ROCm/rocm-libraries/releases/download/therock-${PV%.0}/primbench.tar.gz
-> primbench-${PV}.tar.gz
)
"
S="${WORKDIR}/hipcub"
LICENSE="BSD"
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~amd64"
IUSE="benchmark test"
REQUIRED_USE="
benchmark? ( ${ROCM_REQUIRED_USE} )
test? ( ${ROCM_REQUIRED_USE} )
"
RESTRICT="!test? ( test )"
RDEPEND="
benchmark? (
dev-util/amdsmi:${SLOT}
dev-util/hip:${SLOT}
)
"
DEPEND="
${RDEPEND}
dev-util/hip:${SLOT}
sci-libs/rocPRIM:${SLOT}
test? ( dev-cpp/gtest )
"
PATCHES=(
"${FILESDIR}"/${PN}-10.1.0-no-tests-install.patch
"${FILESDIR}"/${PN}-10.1.0-libcxx.patch
)
src_prepare() {
# primbench comes from its own tarball; git only provides a branch name and
# commit hash for benchmark results
if use benchmark; then
sed -e "s:\.\./\.\./\.\./shared/primbench:${WORKDIR}/primbench:" \
-e "/find_package(Git REQUIRED)/d" \
-i benchmark/CMakeLists.txt || die
fi
# the test writes to (and compares) vectors that are only reserve()d
sed -e "s/\(expected\|h_output\)\.reserve(extents_size)/\1.resize(extents_size)/" \
-i test/hipcub/test_hipcub_device_for.cpp || die
cmake_src_prepare
}
src_configure() {
rocm_use_clang
local mycmakeargs=(
-DGPU_TARGETS="$(get_amdgpu_flags)"
-DBUILD_TEST=$(usex test ON OFF)
-DBUILD_BENCHMARK=$(usex benchmark ON OFF)
)
cmake_src_configure
}
src_test() {
check_amdgpu
# Expected time on gfx1100 (-j32) is 85s
# Inputs of 2^30..2^34 elements: either many GiB of memory, or kernels running for many
# seconds. On APUs both starve the display (gfx ring timeout, crashing the desktop session).
local -x GTEST_FILTER="-*LargeIndices*:*LargeSize*:HipcubDeviceRadixSort.SortKeysOver4G"
cmake_src_test
}
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