https://github.com/google/jax
Tip revision: b4f47c4f3888fe4677aa8d4efe6883ee1a3f7bf0 authored by jax authors on 18 March 2022, 18:50:34 UTC
Merge pull request #9959 from mattjj:fix-9923
Merge pull request #9959 from mattjj:fix-9923
Tip revision: b4f47c4
lapack.cc
/* Copyright 2021 Google LLC
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