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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{13..14} )
ROCM_VERSION=${PV}
inherit cmake check-reqs edob flag-o-matic multiprocessing python-r1 rocm toolchain-funcs
DESCRIPTION="Next generation FFT implementation for ROCm"
HOMEPAGE="https://github.com/ROCm/rocm-libraries/tree/develop/projects/rocfft"
SRC_URI="
https://github.com/ROCm/rocm-libraries/releases/download/therock-${PV%.0}/rocfft.tar.gz
-> rocfft-${PV}.tar.gz
"
S="${WORKDIR}/rocfft"
LICENSE="MIT"
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~amd64"
# RDEPEND: perfscripts? dev-python/plotly[${PYTHON_USEDEP}] # currently masked by arch/amd64/x32/package.mask
RDEPEND="
>=dev-db/sqlite-3.51.3:3
dev-util/hip:=
perfscripts? (
media-gfx/asymptote
dev-texlive/texlive-latex
dev-tex/latexmk
sys-apps/texinfo
dev-python/sympy[${PYTHON_USEDEP}]
dev-python/numpy[${PYTHON_USEDEP}]
dev-python/scipy[${PYTHON_USEDEP}]
dev-python/pandas[${PYTHON_USEDEP}]
${PYTHON_DEPS}
)
"
DEPEND="
${RDEPEND}
${PYTHON_DEPS}
dev-util/hip:${SLOT}
benchmark? (
dev-db/sqlite:3
dev-util/hip:=
sci-libs/hipRAND:${SLOT}
)
test? (
dev-cpp/gtest
sci-libs/fftw
llvm-runtimes/openmp
sci-libs/hipRAND:${SLOT}
)
"
BDEPEND="
dev-build/rocm-cmake
dev-db/sqlite
"
CHECKREQS_DISK_BUILD="7G"
IUSE="benchmark perfscripts test"
REQUIRED_USE="perfscripts? ( benchmark ) ${PYTHON_REQUIRED_USE} ${ROCM_REQUIRED_USE}"
RESTRICT="!test? ( test )"
PATCHES=(
"${FILESDIR}"/${P}-accountant-teardown.patch
)
required_mem() {
if use test; then
echo "52G"
else
if [[ -n "${AMDGPU_TARGETS}" ]]; then
# count how many archs user specified in ${AMDGPU_TARGETS}
local NARCH=$(($(awk -F";" '{print NF-1}' <<< "${AMDGPU_TARGETS}" || die)+1))
else
# The default number of AMDGPU_TARGETS for rocFFT-4.3.0. May change in the future.
local NARCH=7
fi
echo "$(($(makeopts_jobs)*${NARCH}*25+2200))M" # A linear function estimating how much memory required
fi
}
pkg_pretend() {
return # leave the disk space check to pkg_setup phase
}
pkg_setup() {
export CHECKREQS_MEMORY=$(required_mem)
check-reqs_pkg_setup
python_setup
}
src_prepare() {
if use perfscripts; then
pushd scripts/perf || die
sed -e "s,rocmversion = rocm_info.strip(),rocmversion = \"${PV}\"," -i perflib/specs.py || die
sed -e "/^top/,+1d" -i rocfft-perf suites.py || die
sed -e "s,perflib,${PN}_perflib,g" -i rocfft-perf suites.py perflib/*.py || die
sed -e "/^top = /s,__file__).*$,\"${EPREFIX}/usr/share/${PN}-perflib\")," \
-i perflib/pdf.py perflib/generators.py || die
popd || die
fi
# SPIR-V fallback for unselected GPUs needs dev-libs/rocm-comgr with SPIR-V support,
# and clang rejects some CFLAGS (-frecord-gcc-switches) for spirv64
sed -e "/offload-arch=amdgcnspirv/d" \
-i clients/tests/CMakeLists.txt clients/bench/CMakeLists.txt || die
# libc++ does not include <iterator> transitively
sed -e "/#include <optional>/i #include <iterator>" \
-i library/src/include/load_store_ops.h || die
# length[1] is read for 1D transforms too (out of bounds)
sed -e "s/const auto y_total = length\[1\] - 1;/const auto y_total = length.size() > 1 ? length[1] - 1 : 0;/" \
-i shared/data_gen_device.cpp || die
cmake_src_prepare
}
src_configure() {
rocm_use_clang
# #977921: LTO is not compatible with -fgpu-rtc
# See also: https://github.com/ROCm/hip/issues/3879
filter-lto
local mycmakeargs=(
-DCMAKE_SKIP_RPATH=ON
-DGPU_TARGETS="$(get_amdgpu_flags)"
-Wno-dev
-DROCM_SYMLINK_LIBS=OFF
-DBUILD_CLIENTS_TESTS=$(usex test ON OFF)
-DBUILD_CLIENTS_BENCH=$(usex benchmark ON OFF)
-DSQLITE_USE_SYSTEM_PACKAGE=ON
)
cmake_src_configure
}
src_compile() {
# rocfft_aot_helper (kernel cache) queries visible GPUs, but doesn't use them
rocm_add_sandbox
cmake_src_compile
}
src_test() {
check_amdgpu
cd "${BUILD_DIR}/clients/staging" || die
# JIT callbacks link SPIR-V, which needs dev-libs/rocm-comgr with SPIR-V support
local -x GTEST_FILTER="-*JITCB*:*multi_gpu*"
# libc++ std::hash<double> is the identity, and the test "corrupts" the buffer by doubling
# every value: the sum of the hashes then changes by N * 2^52, which is 0 mod 2^64
if [[ $(tc-get-cxx-stdlib) == libc++ ]]; then
GTEST_FILTER+=":rocfft_UnitTest.buffer_hashing_double"
fi
# upstream "standard" tier; default memory limits are total VRAM (whole GTT on APUs) and RAM
# use_fork: the clone()d "threadsafe" death test child segfaults in libsandbox
LD_LIBRARY_PATH="${BUILD_DIR}/library/src" HIP_VISIBLE_DEVICES=0 \
edob ./rocfft-test --test_prob 0.02 --R 16 --V 2 --gtest_death_test_use_fork
}
src_install() {
cmake_src_install
rm -rf "${ED}"/usr/.info || die
if use benchmark; then
cd "${BUILD_DIR}"/clients/staging || die
dobin dyna-rocfft-bench rocfft-bench
dosym dyna-rocfft-bench /usr/bin/dyna-rocfft-rider
dosym rocfft-bench /usr/bin/rocfft-rider
if ! use perfscripts; then
# prevent collision with dev-util/perf
rm -rf "${ED}"/usr/bin/perf || die
fi
fi
if use perfscripts; then
cd "${S}"/scripts/perf || die
python_foreach_impl python_doexe rocfft-perf
python_moduleinto ${PN}_perflib
python_foreach_impl python_domodule perflib/*.py
insinto /usr/share/${PN}-perflib
doins *.asy suites.py
fi
}
|
