mirror of
https://github.com/ROCm/jax.git
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f168a1560c
May fix flaky failures in CI. Make stream argument to Pool::Borrow() mandatory to minimize chance of forgetting it. PiperOrigin-RevId: 530425766
495 lines
19 KiB
C++
495 lines
19 KiB
C++
/* Copyright 2019 The JAX Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include <algorithm>
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#include <cstdint>
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#include <stdexcept>
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#include <utility>
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#include <vector>
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#include "pybind11/numpy.h"
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#include "pybind11/pybind11.h"
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#include "pybind11/stl.h"
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#include "absl/container/flat_hash_map.h"
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#include "absl/strings/str_format.h"
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#include "jaxlib/gpu/gpu_kernel_helpers.h"
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#include "jaxlib/gpu/solver_kernels.h"
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#include "jaxlib/gpu/vendor.h"
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#include "jaxlib/kernel_pybind11_helpers.h"
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namespace jax {
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namespace JAX_GPU_NAMESPACE {
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namespace {
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namespace py = pybind11;
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// Converts a NumPy dtype to a Type.
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SolverType DtypeToSolverType(const py::dtype& np_type) {
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static auto* types =
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new absl::flat_hash_map<std::pair<char, int>, SolverType>({
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{{'f', 4}, SolverType::F32},
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{{'f', 8}, SolverType::F64},
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{{'c', 8}, SolverType::C64},
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{{'c', 16}, SolverType::C128},
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});
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auto it = types->find({np_type.kind(), np_type.itemsize()});
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if (it == types->end()) {
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throw std::invalid_argument(
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absl::StrFormat("Unsupported dtype %s", py::repr(np_type)));
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}
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return it->second;
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}
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// getrf: LU decomposition
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// Returns the workspace size and a descriptor for a getrf operation.
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std::pair<int, py::bytes> BuildGetrfDescriptor(const py::dtype& dtype, int b,
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int m, int n) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnSgetrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnDgetrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnCgetrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnZgetrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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}
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return {lwork, PackDescriptor(GetrfDescriptor{type, b, m, n, lwork})};
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}
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// geqrf: QR decomposition
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// Returns the workspace size and a descriptor for a geqrf operation.
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std::pair<int, py::bytes> BuildGeqrfDescriptor(const py::dtype& dtype, int b,
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int m, int n) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnSgeqrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnDgeqrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnCgeqrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnZgeqrf_bufferSize(handle.get(), m, n,
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/*A=*/nullptr,
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/*lda=*/m, &lwork)));
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break;
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}
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return {lwork, PackDescriptor(GeqrfDescriptor{type, b, m, n, lwork})};
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}
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#ifdef JAX_GPU_CUDA
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// csrlsvqr: Linear system solve via Sparse QR
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// Returns a descriptor for a csrlsvqr operation.
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py::bytes BuildCsrlsvqrDescriptor(const py::dtype& dtype, int n, int nnzA,
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int reorder, double tol) {
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SolverType type = DtypeToSolverType(dtype);
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return PackDescriptor(CsrlsvqrDescriptor{type, n, nnzA, reorder, tol});
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}
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#endif // JAX_GPU_CUDA
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// orgqr/ungqr: apply elementary Householder transformations
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// Returns the workspace size and a descriptor for a geqrf operation.
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std::pair<int, py::bytes> BuildOrgqrDescriptor(const py::dtype& dtype, int b,
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int m, int n, int k) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnSorgqr_bufferSize(handle.get(), m, n, k,
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/*A=*/nullptr,
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/*lda=*/m,
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/*tau=*/nullptr, &lwork)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnDorgqr_bufferSize(handle.get(), m, n, k,
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/*A=*/nullptr,
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/*lda=*/m,
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/*tau=*/nullptr, &lwork)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnCungqr_bufferSize(handle.get(), m, n, k,
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/*A=*/nullptr,
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/*lda=*/m,
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/*tau=*/nullptr, &lwork)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(
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JAX_AS_STATUS(gpusolverDnZungqr_bufferSize(handle.get(), m, n, k,
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/*A=*/nullptr,
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/*lda=*/m,
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/*tau=*/nullptr, &lwork)));
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break;
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}
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return {lwork, PackDescriptor(OrgqrDescriptor{type, b, m, n, k, lwork})};
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}
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// Symmetric (Hermitian) eigendecomposition, QR algorithm: syevd/heevd
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// Returns the workspace size and a descriptor for a syevd operation.
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std::pair<int, py::bytes> BuildSyevdDescriptor(const py::dtype& dtype,
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bool lower, int b, int n) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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gpusolverEigMode_t jobz = GPUSOLVER_EIG_MODE_VECTOR;
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gpusolverFillMode_t uplo =
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lower ? GPUSOLVER_FILL_MODE_LOWER : GPUSOLVER_FILL_MODE_UPPER;
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnSsyevd_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n, /*W=*/nullptr,
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&lwork)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnDsyevd_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n, /*W=*/nullptr,
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&lwork)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnCheevd_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n, /*W=*/nullptr,
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&lwork)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnZheevd_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n, /*W=*/nullptr,
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&lwork)));
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break;
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}
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return {lwork, PackDescriptor(SyevdDescriptor{type, uplo, b, n, lwork})};
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}
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// Symmetric (Hermitian) eigendecomposition, Jacobi algorithm: syevj/heevj
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// Supports batches of matrices up to size 32.
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// Returns the workspace size and a descriptor for a syevj_batched operation.
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std::pair<int, py::bytes> BuildSyevjDescriptor(const py::dtype& dtype,
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bool lower, int batch, int n) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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gpuSyevjInfo_t params;
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnCreateSyevjInfo(¶ms)));
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std::unique_ptr<gpuSyevjInfo, void (*)(gpuSyevjInfo_t)> params_cleanup(
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params, [](gpuSyevjInfo_t p) { gpusolverDnDestroySyevjInfo(p); });
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gpusolverEigMode_t jobz = GPUSOLVER_EIG_MODE_VECTOR;
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gpusolverFillMode_t uplo =
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lower ? GPUSOLVER_FILL_MODE_LOWER : GPUSOLVER_FILL_MODE_UPPER;
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if (batch == 1) {
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnSsyevj_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnDsyevj_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnCheevj_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnZheevj_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params)));
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break;
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}
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} else {
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnSsyevjBatched_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params, batch)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnDsyevjBatched_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params, batch)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnCheevjBatched_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params, batch)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnZheevjBatched_bufferSize(
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handle.get(), jobz, uplo, n, /*A=*/nullptr, /*lda=*/n,
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/*W=*/nullptr, &lwork, params, batch)));
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break;
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}
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}
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return {lwork, PackDescriptor(SyevjDescriptor{type, uplo, batch, n, lwork})};
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}
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// Singular value decomposition using QR algorithm: gesvd
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// Returns the workspace size and a descriptor for a gesvd operation.
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std::pair<int, py::bytes> BuildGesvdDescriptor(const py::dtype& dtype, int b,
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int m, int n, bool compute_uv,
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bool full_matrices) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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signed char jobu, jobvt;
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if (compute_uv) {
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if (full_matrices) {
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jobu = jobvt = 'A';
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} else {
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jobu = jobvt = 'S';
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}
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} else {
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jobu = jobvt = 'N';
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}
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnSgesvd_bufferSize(
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handle.get(), jobu, jobvt, m, n, &lwork)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnDgesvd_bufferSize(
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handle.get(), jobu, jobvt, m, n, &lwork)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnCgesvd_bufferSize(
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handle.get(), jobu, jobvt, m, n, &lwork)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnZgesvd_bufferSize(
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handle.get(), jobu, jobvt, m, n, &lwork)));
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break;
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}
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return {lwork,
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PackDescriptor(GesvdDescriptor{type, b, m, n, lwork, jobu, jobvt})};
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}
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#ifdef JAX_GPU_CUDA
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// Singular value decomposition using Jacobi algorithm: gesvdj
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// Returns the workspace size and a descriptor for a gesvdj operation.
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std::pair<int, py::bytes> BuildGesvdjDescriptor(const py::dtype& dtype,
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int batch, int m, int n,
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bool compute_uv, int econ) {
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SolverType type = DtypeToSolverType(dtype);
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auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
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JAX_THROW_IF_ERROR(h.status());
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auto& handle = *h;
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int lwork;
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gpusolverEigMode_t jobz =
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compute_uv ? GPUSOLVER_EIG_MODE_VECTOR : CUSOLVER_EIG_MODE_NOVECTOR;
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gesvdjInfo_t params;
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnCreateGesvdjInfo(¶ms)));
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std::unique_ptr<gesvdjInfo, void (*)(gesvdjInfo*)> params_cleanup(
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params, [](gesvdjInfo* p) { cusolverDnDestroyGesvdjInfo(p); });
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if (batch == 1) {
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnSgesvdj_bufferSize(
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handle.get(), jobz, econ, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnDgesvdj_bufferSize(
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handle.get(), jobz, econ, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnCgesvdj_bufferSize(
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handle.get(), jobz, econ, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params)));
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break;
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case SolverType::C128:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnZgesvdj_bufferSize(
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handle.get(), jobz, econ, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params)));
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break;
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}
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} else {
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switch (type) {
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case SolverType::F32:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnSgesvdjBatched_bufferSize(
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handle.get(), jobz, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params, batch)));
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break;
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case SolverType::F64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnDgesvdjBatched_bufferSize(
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handle.get(), jobz, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
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/*ldv=*/n, &lwork, params, batch)));
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break;
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case SolverType::C64:
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JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnCgesvdjBatched_bufferSize(
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handle.get(), jobz, m, n,
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/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
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/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
|
|
/*ldv=*/n, &lwork, params, batch)));
|
|
break;
|
|
case SolverType::C128:
|
|
JAX_THROW_IF_ERROR(JAX_AS_STATUS(cusolverDnZgesvdjBatched_bufferSize(
|
|
handle.get(), jobz, m, n,
|
|
/*A=*/nullptr, /*lda=*/m, /*S=*/nullptr,
|
|
/*U=*/nullptr, /*ldu=*/m, /*V=*/nullptr,
|
|
/*ldv=*/n, &lwork, params, batch)));
|
|
break;
|
|
}
|
|
}
|
|
return {lwork, PackDescriptor(
|
|
GesvdjDescriptor{type, batch, m, n, lwork, jobz, econ})};
|
|
}
|
|
|
|
#endif // JAX_GPU_CUDA
|
|
|
|
// Returns the workspace size and a descriptor for a geqrf operation.
|
|
std::pair<int, py::bytes> BuildSytrdDescriptor(const py::dtype& dtype,
|
|
bool lower, int b, int n) {
|
|
SolverType type = DtypeToSolverType(dtype);
|
|
auto h = SolverHandlePool::Borrow(/*stream=*/nullptr);
|
|
JAX_THROW_IF_ERROR(h.status());
|
|
auto& handle = *h;
|
|
int lwork;
|
|
gpusolverFillMode_t uplo =
|
|
lower ? GPUSOLVER_FILL_MODE_LOWER : GPUSOLVER_FILL_MODE_UPPER;
|
|
switch (type) {
|
|
case SolverType::F32:
|
|
JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnSsytrd_bufferSize(
|
|
handle.get(), uplo, n, /*A=*/nullptr, /*lda=*/n, /*D=*/nullptr,
|
|
/*E=*/nullptr, /*tau=*/nullptr, &lwork)));
|
|
break;
|
|
case SolverType::F64:
|
|
JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnDsytrd_bufferSize(
|
|
handle.get(), uplo, n, /*A=*/nullptr, /*lda=*/n, /*D=*/nullptr,
|
|
/*E=*/nullptr, /*tau=*/nullptr, &lwork)));
|
|
break;
|
|
case SolverType::C64:
|
|
JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnChetrd_bufferSize(
|
|
handle.get(), uplo, n, /*A=*/nullptr, /*lda=*/n, /*D=*/nullptr,
|
|
/*E=*/nullptr, /*tau=*/nullptr, &lwork)));
|
|
break;
|
|
case SolverType::C128:
|
|
JAX_THROW_IF_ERROR(JAX_AS_STATUS(gpusolverDnZhetrd_bufferSize(
|
|
handle.get(), uplo, n, /*A=*/nullptr, /*lda=*/n, /*D=*/nullptr,
|
|
/*E=*/nullptr, /*tau=*/nullptr, &lwork)));
|
|
break;
|
|
}
|
|
return {lwork, PackDescriptor(SytrdDescriptor{type, uplo, b, n, n, lwork})};
|
|
}
|
|
|
|
py::dict Registrations() {
|
|
py::dict dict;
|
|
dict[JAX_GPU_PREFIX "solver_getrf"] = EncapsulateFunction(Getrf);
|
|
dict[JAX_GPU_PREFIX "solver_geqrf"] = EncapsulateFunction(Geqrf);
|
|
dict[JAX_GPU_PREFIX "solver_orgqr"] = EncapsulateFunction(Orgqr);
|
|
dict[JAX_GPU_PREFIX "solver_syevd"] = EncapsulateFunction(Syevd);
|
|
dict[JAX_GPU_PREFIX "solver_syevj"] = EncapsulateFunction(Syevj);
|
|
dict[JAX_GPU_PREFIX "solver_gesvd"] = EncapsulateFunction(Gesvd);
|
|
dict[JAX_GPU_PREFIX "solver_sytrd"] = EncapsulateFunction(Sytrd);
|
|
|
|
#ifdef JAX_GPU_CUDA
|
|
dict["cusolver_csrlsvqr"] = EncapsulateFunction(Csrlsvqr);
|
|
dict["cusolver_gesvdj"] = EncapsulateFunction(Gesvdj);
|
|
#endif // JAX_GPU_CUDA
|
|
return dict;
|
|
}
|
|
|
|
PYBIND11_MODULE(_solver, m) {
|
|
m.def("registrations", &Registrations);
|
|
m.def("build_getrf_descriptor", &BuildGetrfDescriptor);
|
|
m.def("build_geqrf_descriptor", &BuildGeqrfDescriptor);
|
|
m.def("build_orgqr_descriptor", &BuildOrgqrDescriptor);
|
|
m.def("build_syevd_descriptor", &BuildSyevdDescriptor);
|
|
m.def("build_syevj_descriptor", &BuildSyevjDescriptor);
|
|
m.def("build_gesvd_descriptor", &BuildGesvdDescriptor);
|
|
m.def("build_sytrd_descriptor", &BuildSytrdDescriptor);
|
|
#ifdef JAX_GPU_CUDA
|
|
m.def("build_csrlsvqr_descriptor", &BuildCsrlsvqrDescriptor);
|
|
m.def("build_gesvdj_descriptor", &BuildGesvdjDescriptor);
|
|
#endif // JAX_GPU_CUDA
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace JAX_GPU_NAMESPACE
|
|
} // namespace jax
|