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63aab133f1
This CL only contains the C++ changes. Python lowering code will be added after the forward compatibility window of 3 weeks. PiperOrigin-RevId: 644845277
193 lines
7.3 KiB
C++
193 lines
7.3 KiB
C++
/* Copyright 2021 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 <complex>
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#include <type_traits>
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#include "jaxlib/cpu/lapack_kernels.h"
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// From a Python binary, JAX obtains its LAPACK/BLAS kernels from Scipy, but
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// a C++ user should link against LAPACK directly. This is needed when using
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// JAX-generated HLO from C++.
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namespace ffi = xla::ffi;
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extern "C" {
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jax::Trsm<float>::FnType strsm_;
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jax::Trsm<double>::FnType dtrsm_;
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jax::Trsm<std::complex<float>>::FnType ctrsm_;
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jax::Trsm<std::complex<double>>::FnType ztrsm_;
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jax::LuDecomposition<ffi::DataType::F32>::FnType sgetrf_;
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jax::LuDecomposition<ffi::DataType::F64>::FnType dgetrf_;
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jax::LuDecomposition<ffi::DataType::C64>::FnType cgetrf_;
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jax::LuDecomposition<ffi::DataType::C128>::FnType zgetrf_;
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jax::Geqrf<float>::FnType sgeqrf_;
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jax::Geqrf<double>::FnType dgeqrf_;
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jax::Geqrf<std::complex<float>>::FnType cgeqrf_;
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jax::Geqrf<std::complex<double>>::FnType zgeqrf_;
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jax::Orgqr<float>::FnType sorgqr_;
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jax::Orgqr<double>::FnType dorgqr_;
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jax::Orgqr<std::complex<float>>::FnType cungqr_;
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jax::Orgqr<std::complex<double>>::FnType zungqr_;
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jax::CholeskyFactorization<ffi::DataType::F32>::FnType spotrf_;
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jax::CholeskyFactorization<ffi::DataType::F64>::FnType dpotrf_;
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jax::CholeskyFactorization<ffi::DataType::C64>::FnType cpotrf_;
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jax::CholeskyFactorization<ffi::DataType::C128>::FnType zpotrf_;
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jax::RealGesdd<float>::FnType sgesdd_;
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jax::RealGesdd<double>::FnType dgesdd_;
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jax::ComplexGesdd<std::complex<float>>::FnType cgesdd_;
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jax::ComplexGesdd<std::complex<double>>::FnType zgesdd_;
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jax::RealSyevd<float>::FnType ssyevd_;
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jax::RealSyevd<double>::FnType dsyevd_;
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jax::ComplexHeevd<std::complex<float>>::FnType cheevd_;
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jax::ComplexHeevd<std::complex<double>>::FnType zheevd_;
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jax::RealGeev<float>::FnType sgeev_;
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jax::RealGeev<double>::FnType dgeev_;
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jax::ComplexGeev<std::complex<float>>::FnType cgeev_;
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jax::ComplexGeev<std::complex<double>>::FnType zgeev_;
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jax::RealGees<float>::FnType sgees_;
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jax::RealGees<double>::FnType dgees_;
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jax::ComplexGees<std::complex<float>>::FnType cgees_;
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jax::ComplexGees<std::complex<double>>::FnType zgees_;
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jax::Gehrd<float>::FnType sgehrd_;
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jax::Gehrd<double>::FnType dgehrd_;
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jax::Gehrd<std::complex<float>>::FnType cgehrd_;
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jax::Gehrd<std::complex<double>>::FnType zgehrd_;
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jax::Sytrd<float>::FnType ssytrd_;
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jax::Sytrd<double>::FnType dsytrd_;
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jax::Sytrd<std::complex<float>>::FnType chetrd_;
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jax::Sytrd<std::complex<double>>::FnType zhetrd_;
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} // extern "C"
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namespace jax {
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#define JAX_KERNEL_FNTYPE_MISMATCH_MSG "FFI Kernel FnType mismatch"
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static_assert(std::is_same_v<jax::LuDecomposition<ffi::DataType::F32>::FnType,
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jax::Getrf<float>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(std::is_same_v<jax::LuDecomposition<ffi::DataType::F64>::FnType,
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jax::Getrf<double>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(std::is_same_v<jax::LuDecomposition<ffi::DataType::C64>::FnType,
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jax::Getrf<std::complex<float>>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(std::is_same_v<jax::LuDecomposition<ffi::DataType::C128>::FnType,
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jax::Getrf<std::complex<double>>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(
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std::is_same_v<jax::CholeskyFactorization<ffi::DataType::F32>::FnType,
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jax::Potrf<float>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(
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std::is_same_v<jax::CholeskyFactorization<ffi::DataType::F64>::FnType,
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jax::Potrf<double>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(
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std::is_same_v<jax::CholeskyFactorization<ffi::DataType::C64>::FnType,
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jax::Potrf<std::complex<float>>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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static_assert(
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std::is_same_v<jax::CholeskyFactorization<ffi::DataType::C128>::FnType,
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jax::Potrf<std::complex<double>>::FnType>,
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JAX_KERNEL_FNTYPE_MISMATCH_MSG);
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#undef JAX_KERNEL_FNTYPE_MISMATCH_MSG
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static auto init = []() -> int {
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AssignKernelFn<Trsm<float>>(strsm_);
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AssignKernelFn<Trsm<double>>(dtrsm_);
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AssignKernelFn<Trsm<std::complex<float>>>(ctrsm_);
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AssignKernelFn<Trsm<std::complex<double>>>(ztrsm_);
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AssignKernelFn<Getrf<float>>(sgetrf_);
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AssignKernelFn<Getrf<double>>(dgetrf_);
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AssignKernelFn<Getrf<std::complex<float>>>(cgetrf_);
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AssignKernelFn<Getrf<std::complex<double>>>(zgetrf_);
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AssignKernelFn<Geqrf<float>>(sgeqrf_);
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AssignKernelFn<Geqrf<double>>(dgeqrf_);
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AssignKernelFn<Geqrf<std::complex<float>>>(cgeqrf_);
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AssignKernelFn<Geqrf<std::complex<double>>>(zgeqrf_);
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AssignKernelFn<Orgqr<float>>(sorgqr_);
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AssignKernelFn<Orgqr<double>>(dorgqr_);
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AssignKernelFn<Orgqr<std::complex<float>>>(cungqr_);
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AssignKernelFn<Orgqr<std::complex<double>>>(zungqr_);
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AssignKernelFn<Potrf<float>>(spotrf_);
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AssignKernelFn<Potrf<double>>(dpotrf_);
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AssignKernelFn<Potrf<std::complex<float>>>(cpotrf_);
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AssignKernelFn<Potrf<std::complex<double>>>(zpotrf_);
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AssignKernelFn<RealGesdd<float>>(sgesdd_);
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AssignKernelFn<RealGesdd<double>>(dgesdd_);
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AssignKernelFn<ComplexGesdd<std::complex<float>>>(cgesdd_);
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AssignKernelFn<ComplexGesdd<std::complex<double>>>(zgesdd_);
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AssignKernelFn<RealSyevd<float>>(ssyevd_);
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AssignKernelFn<RealSyevd<double>>(dsyevd_);
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AssignKernelFn<ComplexHeevd<std::complex<float>>>(cheevd_);
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AssignKernelFn<ComplexHeevd<std::complex<double>>>(zheevd_);
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AssignKernelFn<RealGeev<float>>(sgeev_);
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AssignKernelFn<RealGeev<double>>(dgeev_);
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AssignKernelFn<ComplexGeev<std::complex<float>>>(cgeev_);
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AssignKernelFn<ComplexGeev<std::complex<double>>>(zgeev_);
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AssignKernelFn<RealGees<float>>(sgees_);
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AssignKernelFn<RealGees<double>>(dgees_);
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AssignKernelFn<ComplexGees<std::complex<float>>>(cgees_);
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AssignKernelFn<ComplexGees<std::complex<double>>>(zgees_);
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AssignKernelFn<Gehrd<float>>(sgehrd_);
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AssignKernelFn<Gehrd<double>>(dgehrd_);
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AssignKernelFn<Gehrd<std::complex<float>>>(cgehrd_);
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AssignKernelFn<Gehrd<std::complex<double>>>(zgehrd_);
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AssignKernelFn<Sytrd<float>>(ssytrd_);
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AssignKernelFn<Sytrd<double>>(dsytrd_);
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AssignKernelFn<Sytrd<std::complex<float>>>(chetrd_);
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AssignKernelFn<Sytrd<std::complex<double>>>(zhetrd_);
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// FFI Kernels
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AssignKernelFn<LuDecomposition<ffi::DataType::F32>>(sgetrf_);
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AssignKernelFn<LuDecomposition<ffi::DataType::F64>>(dgetrf_);
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AssignKernelFn<LuDecomposition<ffi::DataType::C64>>(cgetrf_);
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AssignKernelFn<LuDecomposition<ffi::DataType::C128>>(zgetrf_);
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AssignKernelFn<CholeskyFactorization<ffi::DataType::F32>>(spotrf_);
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AssignKernelFn<CholeskyFactorization<ffi::DataType::F64>>(dpotrf_);
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AssignKernelFn<CholeskyFactorization<ffi::DataType::C64>>(cpotrf_);
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AssignKernelFn<CholeskyFactorization<ffi::DataType::C128>>(zpotrf_);
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return 0;
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}();
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} // namespace jax
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