From ba902a15987b5ea2cd7adf2487229c2fe444931c Mon Sep 17 00:00:00 2001 From: Tobias Geerinckx-Rice Date: Mon, 23 Nov 2020 19:22:00 +0100 Subject: gnu: eigen: Add upstream bugfix patch. 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. --- .../eigen-remove-openmp-error-counting.patch | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 gnu/packages/patches/eigen-remove-openmp-error-counting.patch (limited to 'gnu/packages/patches/eigen-remove-openmp-error-counting.patch') diff --git a/gnu/packages/patches/eigen-remove-openmp-error-counting.patch b/gnu/packages/patches/eigen-remove-openmp-error-counting.patch new file mode 100644 index 0000000000..556474e8b3 --- /dev/null +++ b/gnu/packages/patches/eigen-remove-openmp-error-counting.patch @@ -0,0 +1,64 @@ +From ef3cc72cb65e2d500459c178c63e349bacfa834f Mon Sep 17 00:00:00 2001 +From: Luke Peterson +Date: Thu, 8 Oct 2020 12:16:53 -0700 +Subject: [PATCH] Remove error counting in OpenMP parallelize_gemm + +This resolves a compilation error associated with +Eigen::eigen_assert_exception. It also eliminates the counting of +exceptions that may occur in the OpenMP parallel section. If an +unhandled exception occurs in this section, the behavior is non-conforming +according to the OpenMP specification. +--- + Eigen/src/Core/products/Parallelizer.h | 14 +++++--------- + test/CMakeLists.txt | 2 +- + 2 files changed, 6 insertions(+), 10 deletions(-) + +diff --git a/Eigen/src/Core/products/Parallelizer.h b/Eigen/src/Core/products/Parallelizer.h +index 67b2442b5..a3cc05b77 100644 +--- a/Eigen/src/Core/products/Parallelizer.h ++++ b/Eigen/src/Core/products/Parallelizer.h +@@ -132,8 +132,7 @@ void parallelize_gemm(const Functor& func, Index rows, Index cols, Index depth, + + ei_declare_aligned_stack_constructed_variable(GemmParallelInfo,info,threads,0); + +- int errorCount = 0; +- #pragma omp parallel num_threads(threads) reduction(+: errorCount) ++ #pragma omp parallel num_threads(threads) + { + Index i = omp_get_thread_num(); + // Note that the actual number of threads might be lower than the number of request ones. +@@ -152,14 +151,11 @@ void parallelize_gemm(const Functor& func, Index rows, Index cols, Index depth, + info[i].lhs_start = r0; + info[i].lhs_length = actualBlockRows; + +- EIGEN_TRY { +- if(transpose) func(c0, actualBlockCols, 0, rows, info); +- else func(0, rows, c0, actualBlockCols, info); +- } EIGEN_CATCH(...) { +- ++errorCount; +- } ++ if(transpose) ++ func(c0, actualBlockCols, 0, rows, info); ++ else ++ func(0, rows, c0, actualBlockCols, info); + } +- if (errorCount) EIGEN_THROW_X(Eigen::eigen_assert_exception()); + #endif + } + +diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt +index 0747aa6cb..b02577780 100644 +--- a/test/CMakeLists.txt ++++ b/test/CMakeLists.txt +@@ -163,7 +163,7 @@ ei_add_test(constructor) + ei_add_test(linearstructure) + ei_add_test(integer_types) + ei_add_test(unalignedcount) +-if(NOT EIGEN_TEST_NO_EXCEPTIONS) ++if(NOT EIGEN_TEST_NO_EXCEPTIONS AND NOT EIGEN_TEST_OPENMP) + ei_add_test(exceptions) + endif() + ei_add_test(redux) +-- +GitLab + -- cgit v1.2.3