https://github.com/google/jax
Tip revision: 0282b4bfadeb68f28978eed36aac92a0fce8a9a3 authored by jax authors on 28 September 2022, 15:00:20 UTC
Merge pull request #12538 from jakevdp:bundle-pyi
Merge pull request #12538 from jakevdp:bundle-pyi
Tip revision: 0282b4b
lapack.cc
/* Copyright 2021 The JAX Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include <complex>
#include "jaxlib/kernel_pybind11_helpers.h"
#include "jaxlib/lapack_kernels.h"
#include "include/pybind11/pybind11.h"
namespace jax {
namespace {
namespace py = pybind11;
void GetLapackKernelsFromScipy() {
py::module cython_blas = py::module::import("scipy.linalg.cython_blas");
// Technically this is a Cython-internal API. However, it seems highly likely
// it will remain stable because Cython itself needs API stability for
// cross-package imports to work in the first place.
py::dict blas_capi = cython_blas.attr("__pyx_capi__");
auto blas_ptr = [&](const char* name) {
return py::capsule(blas_capi[name]).get_pointer();
};
Trsm<float>::fn = reinterpret_cast<Trsm<float>::FnType*>(blas_ptr("strsm"));
Trsm<double>::fn = reinterpret_cast<Trsm<double>::FnType*>(blas_ptr("dtrsm"));
Trsm<std::complex<float>>::fn =
reinterpret_cast<Trsm<std::complex<float>>::FnType*>(blas_ptr("ctrsm"));
Trsm<std::complex<double>>::fn =
reinterpret_cast<Trsm<std::complex<double>>::FnType*>(blas_ptr("ztrsm"));
py::module cython_lapack = py::module::import("scipy.linalg.cython_lapack");
py::dict lapack_capi = cython_lapack.attr("__pyx_capi__");
auto lapack_ptr = [&](const char* name) {
return py::capsule(lapack_capi[name]).get_pointer();
};
Getrf<float>::fn =
reinterpret_cast<Getrf<float>::FnType*>(lapack_ptr("sgetrf"));
Getrf<double>::fn =
reinterpret_cast<Getrf<double>::FnType*>(lapack_ptr("dgetrf"));
Getrf<std::complex<float>>::fn =
reinterpret_cast<Getrf<std::complex<float>>::FnType*>(
lapack_ptr("cgetrf"));
Getrf<std::complex<double>>::fn =
reinterpret_cast<Getrf<std::complex<double>>::FnType*>(
lapack_ptr("zgetrf"));
Geqrf<float>::fn =
reinterpret_cast<Geqrf<float>::FnType*>(lapack_ptr("sgeqrf"));
Geqrf<double>::fn =
reinterpret_cast<Geqrf<double>::FnType*>(lapack_ptr("dgeqrf"));
Geqrf<std::complex<float>>::fn =
reinterpret_cast<Geqrf<std::complex<float>>::FnType*>(
lapack_ptr("cgeqrf"));
Geqrf<std::complex<double>>::fn =
reinterpret_cast<Geqrf<std::complex<double>>::FnType*>(
lapack_ptr("zgeqrf"));
Orgqr<float>::fn =
reinterpret_cast<Orgqr<float>::FnType*>(lapack_ptr("sorgqr"));
Orgqr<double>::fn =
reinterpret_cast<Orgqr<double>::FnType*>(lapack_ptr("dorgqr"));
Orgqr<std::complex<float>>::fn =
reinterpret_cast<Orgqr<std::complex<float>>::FnType*>(
lapack_ptr("cungqr"));
Orgqr<std::complex<double>>::fn =
reinterpret_cast<Orgqr<std::complex<double>>::FnType*>(
lapack_ptr("zungqr"));
Potrf<float>::fn =
reinterpret_cast<Potrf<float>::FnType*>(lapack_ptr("spotrf"));
Potrf<double>::fn =
reinterpret_cast<Potrf<double>::FnType*>(lapack_ptr("dpotrf"));
Potrf<std::complex<float>>::fn =
reinterpret_cast<Potrf<std::complex<float>>::FnType*>(
lapack_ptr("cpotrf"));
Potrf<std::complex<double>>::fn =
reinterpret_cast<Potrf<std::complex<double>>::FnType*>(
lapack_ptr("zpotrf"));
RealGesdd<float>::fn =
reinterpret_cast<RealGesdd<float>::FnType*>(lapack_ptr("sgesdd"));
RealGesdd<double>::fn =
reinterpret_cast<RealGesdd<double>::FnType*>(lapack_ptr("dgesdd"));
ComplexGesdd<std::complex<float>>::fn =
reinterpret_cast<ComplexGesdd<std::complex<float>>::FnType*>(
lapack_ptr("cgesdd"));
ComplexGesdd<std::complex<double>>::fn =
reinterpret_cast<ComplexGesdd<std::complex<double>>::FnType*>(
lapack_ptr("zgesdd"));
RealSyevd<float>::fn =
reinterpret_cast<RealSyevd<float>::FnType*>(lapack_ptr("ssyevd"));
RealSyevd<double>::fn =
reinterpret_cast<RealSyevd<double>::FnType*>(lapack_ptr("dsyevd"));
ComplexHeevd<std::complex<float>>::fn =
reinterpret_cast<ComplexHeevd<std::complex<float>>::FnType*>(
lapack_ptr("cheevd"));
ComplexHeevd<std::complex<double>>::fn =
reinterpret_cast<ComplexHeevd<std::complex<double>>::FnType*>(
lapack_ptr("zheevd"));
RealGeev<float>::fn =
reinterpret_cast<RealGeev<float>::FnType*>(lapack_ptr("sgeev"));
RealGeev<double>::fn =
reinterpret_cast<RealGeev<double>::FnType*>(lapack_ptr("dgeev"));
ComplexGeev<std::complex<float>>::fn =
reinterpret_cast<ComplexGeev<std::complex<float>>::FnType*>(
lapack_ptr("cgeev"));
ComplexGeev<std::complex<double>>::fn =
reinterpret_cast<ComplexGeev<std::complex<double>>::FnType*>(
lapack_ptr("zgeev"));
RealGees<float>::fn =
reinterpret_cast<RealGees<float>::FnType*>(lapack_ptr("sgees"));
RealGees<double>::fn =
reinterpret_cast<RealGees<double>::FnType*>(lapack_ptr("dgees"));
ComplexGees<std::complex<float>>::fn =
reinterpret_cast<ComplexGees<std::complex<float>>::FnType*>(
lapack_ptr("cgees"));
ComplexGees<std::complex<double>>::fn =
reinterpret_cast<ComplexGees<std::complex<double>>::FnType*>(
lapack_ptr("zgees"));
}
py::dict Registrations() {
py::dict dict;
dict["blas_strsm"] = EncapsulateFunction(Trsm<float>::Kernel);
dict["blas_dtrsm"] = EncapsulateFunction(Trsm<double>::Kernel);
dict["blas_ctrsm"] = EncapsulateFunction(Trsm<std::complex<float>>::Kernel);
dict["blas_ztrsm"] = EncapsulateFunction(Trsm<std::complex<double>>::Kernel);
dict["lapack_sgetrf"] = EncapsulateFunction(Getrf<float>::Kernel);
dict["lapack_dgetrf"] = EncapsulateFunction(Getrf<double>::Kernel);
dict["lapack_cgetrf"] =
EncapsulateFunction(Getrf<std::complex<float>>::Kernel);
dict["lapack_zgetrf"] =
EncapsulateFunction(Getrf<std::complex<double>>::Kernel);
dict["lapack_sgeqrf"] = EncapsulateFunction(Geqrf<float>::Kernel);
dict["lapack_dgeqrf"] = EncapsulateFunction(Geqrf<double>::Kernel);
dict["lapack_cgeqrf"] =
EncapsulateFunction(Geqrf<std::complex<float>>::Kernel);
dict["lapack_zgeqrf"] =
EncapsulateFunction(Geqrf<std::complex<double>>::Kernel);
dict["lapack_sorgqr"] = EncapsulateFunction(Orgqr<float>::Kernel);
dict["lapack_dorgqr"] = EncapsulateFunction(Orgqr<double>::Kernel);
dict["lapack_cungqr"] =
EncapsulateFunction(Orgqr<std::complex<float>>::Kernel);
dict["lapack_zungqr"] =
EncapsulateFunction(Orgqr<std::complex<double>>::Kernel);
dict["lapack_spotrf"] = EncapsulateFunction(Potrf<float>::Kernel);
dict["lapack_dpotrf"] = EncapsulateFunction(Potrf<double>::Kernel);
dict["lapack_cpotrf"] =
EncapsulateFunction(Potrf<std::complex<float>>::Kernel);
dict["lapack_zpotrf"] =
EncapsulateFunction(Potrf<std::complex<double>>::Kernel);
dict["lapack_sgesdd"] = EncapsulateFunction(RealGesdd<float>::Kernel);
dict["lapack_dgesdd"] = EncapsulateFunction(RealGesdd<double>::Kernel);
dict["lapack_cgesdd"] =
EncapsulateFunction(ComplexGesdd<std::complex<float>>::Kernel);
dict["lapack_zgesdd"] =
EncapsulateFunction(ComplexGesdd<std::complex<double>>::Kernel);
dict["lapack_ssyevd"] = EncapsulateFunction(RealSyevd<float>::Kernel);
dict["lapack_dsyevd"] = EncapsulateFunction(RealSyevd<double>::Kernel);
dict["lapack_cheevd"] =
EncapsulateFunction(ComplexHeevd<std::complex<float>>::Kernel);
dict["lapack_zheevd"] =
EncapsulateFunction(ComplexHeevd<std::complex<double>>::Kernel);
dict["lapack_sgeev"] = EncapsulateFunction(RealGeev<float>::Kernel);
dict["lapack_dgeev"] = EncapsulateFunction(RealGeev<double>::Kernel);
dict["lapack_cgeev"] =
EncapsulateFunction(ComplexGeev<std::complex<float>>::Kernel);
dict["lapack_zgeev"] =
EncapsulateFunction(ComplexGeev<std::complex<double>>::Kernel);
dict["lapack_sgees"] = EncapsulateFunction(RealGees<float>::Kernel);
dict["lapack_dgees"] = EncapsulateFunction(RealGees<double>::Kernel);
dict["lapack_cgees"] =
EncapsulateFunction(ComplexGees<std::complex<float>>::Kernel);
dict["lapack_zgees"] =
EncapsulateFunction(ComplexGees<std::complex<double>>::Kernel);
return dict;
}
PYBIND11_MODULE(_lapack, m) {
GetLapackKernelsFromScipy();
m.def("registrations", &Registrations);
m.def("lapack_sgeqrf_workspace", &Geqrf<float>::Workspace);
m.def("lapack_dgeqrf_workspace", &Geqrf<double>::Workspace);
m.def("lapack_cgeqrf_workspace", &Geqrf<std::complex<float>>::Workspace);
m.def("lapack_zgeqrf_workspace", &Geqrf<std::complex<double>>::Workspace);
m.def("lapack_sorgqr_workspace", &Orgqr<float>::Workspace);
m.def("lapack_dorgqr_workspace", &Orgqr<double>::Workspace);
m.def("lapack_cungqr_workspace", &Orgqr<std::complex<float>>::Workspace);
m.def("lapack_zungqr_workspace", &Orgqr<std::complex<double>>::Workspace);
m.def("gesdd_iwork_size", &GesddIworkSize);
m.def("sgesdd_work_size", &RealGesdd<float>::Workspace);
m.def("dgesdd_work_size", &RealGesdd<double>::Workspace);
m.def("cgesdd_rwork_size", &ComplexGesddRworkSize);
m.def("cgesdd_work_size", &ComplexGesdd<std::complex<float>>::Workspace);
m.def("zgesdd_work_size", &ComplexGesdd<std::complex<double>>::Workspace);
m.def("syevd_work_size", &SyevdWorkSize);
m.def("syevd_iwork_size", &SyevdIworkSize);
m.def("heevd_work_size", &HeevdWorkSize);
m.def("heevd_rwork_size", &HeevdRworkSize);
}
} // namespace
} // namespace jax