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This fixes the build of nanopolish, imp, and others. Reported by apteryx in #guix. * gnu/packages/algebra.scm (eigen)[source]: Add patch. * gnu/packages/patches/eigen-remove-openmp-error-counting.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From ef3cc72cb65e2d500459c178c63e349bacfa834f Mon Sep 17 00:00:00 2001
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From: Luke Peterson <hazelnusse@gmail.com>
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Date: Thu, 8 Oct 2020 12:16:53 -0700
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Subject: [PATCH] Remove error counting in OpenMP parallelize_gemm
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This resolves a compilation error associated with
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Eigen::eigen_assert_exception. It also eliminates the counting of
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exceptions that may occur in the OpenMP parallel section. If an
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unhandled exception occurs in this section, the behavior is non-conforming
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according to the OpenMP specification.
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---
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Eigen/src/Core/products/Parallelizer.h | 14 +++++---------
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test/CMakeLists.txt | 2 +-
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2 files changed, 6 insertions(+), 10 deletions(-)
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diff --git a/Eigen/src/Core/products/Parallelizer.h b/Eigen/src/Core/products/Parallelizer.h
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index 67b2442b5..a3cc05b77 100644
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--- a/Eigen/src/Core/products/Parallelizer.h
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+++ b/Eigen/src/Core/products/Parallelizer.h
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@@ -132,8 +132,7 @@ void parallelize_gemm(const Functor& func, Index rows, Index cols, Index depth,
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ei_declare_aligned_stack_constructed_variable(GemmParallelInfo<Index>,info,threads,0);
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- int errorCount = 0;
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- #pragma omp parallel num_threads(threads) reduction(+: errorCount)
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+ #pragma omp parallel num_threads(threads)
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{
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Index i = omp_get_thread_num();
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// Note that the actual number of threads might be lower than the number of request ones.
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@@ -152,14 +151,11 @@ void parallelize_gemm(const Functor& func, Index rows, Index cols, Index depth,
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info[i].lhs_start = r0;
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info[i].lhs_length = actualBlockRows;
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- EIGEN_TRY {
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- if(transpose) func(c0, actualBlockCols, 0, rows, info);
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- else func(0, rows, c0, actualBlockCols, info);
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- } EIGEN_CATCH(...) {
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- ++errorCount;
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- }
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+ if(transpose)
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+ func(c0, actualBlockCols, 0, rows, info);
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+ else
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+ func(0, rows, c0, actualBlockCols, info);
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}
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- if (errorCount) EIGEN_THROW_X(Eigen::eigen_assert_exception());
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#endif
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}
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diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
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index 0747aa6cb..b02577780 100644
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--- a/test/CMakeLists.txt
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+++ b/test/CMakeLists.txt
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@@ -163,7 +163,7 @@ ei_add_test(constructor)
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ei_add_test(linearstructure)
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ei_add_test(integer_types)
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ei_add_test(unalignedcount)
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-if(NOT EIGEN_TEST_NO_EXCEPTIONS)
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+if(NOT EIGEN_TEST_NO_EXCEPTIONS AND NOT EIGEN_TEST_OPENMP)
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ei_add_test(exceptions)
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endif()
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ei_add_test(redux)
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--
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GitLab
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