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docker: Update Dockerfile.cpu to support PETSc docker image #2778

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FabioLuporini merged 1 commit into from
Oct 29, 2025
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docker: Update Dockerfile.cpu to support PETSc docker image #2778

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4 changes: 2 additions & 2 deletions docker/Dockerfile.cpu
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,8 @@ RUN apt-get update && \

# Install for basic base not containing it
RUN apt-get install -y wget flex libnuma-dev hwloc curl cmake git \
autoconf libtool build-essential procps software-properties-common
autoconf libtool build-essential procps software-properties-common \
pkgconf gfortran libopenblas-serial-dev
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@mloubout mloubout Oct 27, 2025

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Why serial? The generic one enforce parallel?

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@ZoeLeibowitz ZoeLeibowitz Oct 28, 2025

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Not 100% sure on this but I went for the simpler/safer option for now based on various statements made here

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@JDBetteridge JDBetteridge Oct 28, 2025

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Yes, the default (non-serial) will respect $OMP_NUM_THREADS


# Install gcc
RUN if [ -n "$gcc" ]; then \
Expand All @@ -43,7 +44,6 @@ RUN cd /tmp && mkdir openmpi && \
cd openmpi && ./autogen.pl && \
mkdir build && cd build && \
../configure --prefix=/opt/openmpi/ \
--disable-mpi-fortran \
--enable-mca-no-build=btl-uct --enable-mpi1-compatibility && \
make -j ${nproc} && \
make install && \
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