https://github.com/google/jax
Tip revision: 41417eed6f3770e05aeb1d2500967c5314d5de08 authored by jax authors on 11 October 2022, 18:12:26 UTC
Merge pull request #12752 from skye:workspace
Merge pull request #12752 from skye:workspace
Tip revision: 41417ee
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