Paweł Paruzel 3d39b6e752 Port Cholesky Factorization to XLA's FFI
This CL only contains the C++ changes. Python lowering code will be added after the forward compatibility window of 3 weeks.

PiperOrigin-RevId: 642954763
2024-06-13 05:44:36 -07:00

90 lines
2.2 KiB
Python

# Copyright 2018 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
#
# https://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.
# JAX is Autograd and XLA
load(
"//jaxlib:jax.bzl",
"pybind_extension",
)
licenses(["notice"])
package(
default_applicable_licenses = [],
default_visibility = ["//:__subpackages__"],
)
# LAPACK
cc_library(
name = "lapack_kernels",
srcs = ["lapack_kernels.cc"],
hdrs = ["lapack_kernels.h"],
copts = ["-fexceptions"],
features = ["-use_header_modules"],
deps = [
"@xla//xla/ffi/api:c_api",
"@xla//xla/ffi/api:ffi",
"@xla//xla/service:custom_call_status",
"@com_google_absl//absl/algorithm:container",
"@com_google_absl//absl/base:dynamic_annotations",
"@com_google_absl//absl/strings:str_format",
],
)
cc_library(
name = "lapack_kernels_using_lapack",
srcs = ["lapack_kernels_using_lapack.cc"],
deps = [":lapack_kernels"],
alwayslink = 1,
)
pybind_extension(
name = "_lapack",
srcs = ["lapack.cc"],
hdrs = ["lapack.h"],
copts = [
"-fexceptions",
"-fno-strict-aliasing",
],
enable_stub_generation = True,
features = ["-use_header_modules"],
module_name = "_lapack",
pytype_srcs = [
"_lapack.pyi",
],
deps = [
":lapack_kernels",
"//jaxlib:kernel_nanobind_helpers",
"@xla//xla/ffi/api:ffi",
"@nanobind",
],
)
cc_library(
name = "cpu_kernels",
srcs = ["cpu_kernels.cc"],
hdrs = ["lapack.h"],
visibility = ["//visibility:public"],
deps = [
":lapack_kernels",
":lapack_kernels_using_lapack",
"@xla//xla/ffi/api:c_api",
"@xla//xla/ffi/api:ffi",
"@xla//xla/service:custom_call_target_registry",
],
alwayslink = 1,
)