diff --git a/README.md b/README.md
index a6aaea2f181a0f8caa54fc428349108736e5b5b6..55a52c48bb8800e1d01aba3afe9fe5411c3c5557 100644
--- a/README.md
+++ b/README.md
@@ -60,8 +60,8 @@ University of California, San Diego
## Version
-1.9.3
+1.9.4
## Last Updated
-Saturday, September 4th, 2021
+Friday, September 24th, 2021
diff --git a/definition-files/omb/Singularity.omb-5.8-ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5 b/definition-files/omb/Singularity.omb-5.8-ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5
new file mode 100644
index 0000000000000000000000000000000000000000..178985b87a77b1b0cf8b707de3be63a06d6f1ae9
--- /dev/null
+++ b/definition-files/omb/Singularity.omb-5.8-ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5
@@ -0,0 +1,117 @@
+Bootstrap: oras
+From: ghcr.io/mkandes/naked-singularity:ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5
+
+%labels
+
+ APPLICATION_NAME OSU Micro-Benchmarks
+ APPLICATION_VERSION 5.8
+ APPLICATION_URL http://mvapich.cse.ohio-state.edu/benchmarks
+
+ AUTHOR_NAME Marty Kandes
+ AUTHOR_EMAIL mkandes@sdsc.edu
+
+ LAST_UPDATED 20210924
+
+%setup
+
+%environment
+
+ # Set OMB major and minor version numbers, root and
+ # installation directories
+ export OMB_MAJOR='5'
+ export OMB_MINOR='8'
+ export OMB_VERSION="${OMB_MAJOR}.${OMB_MINOR}"
+ export OMB_ROOT_DIR='/opt/omb'
+ export OMB_INSTALL_DIR="${OMB_ROOT_DIR}/${OMB_VERSION}"
+
+ # Set paths to OSU Microbenchmarks binaries
+ export PATH="${OMB_INSTALL_DIR}/collective:${PATH}"
+ export PATH="${OMB_INSTALL_DIR}/one-sided:${PATH}"
+ export PATH="${OMB_INSTALL_DIR}/pt2pt:${PATH}"
+ export PATH="${OMB_INSTALL_DIR}/startup:${PATH}"
+
+%post -c /bin/bash
+
+ # Set operating system mirror URL
+ export MIRRORURL='http://us.archive.ubuntu.com/ubuntu'
+
+ # Set operating system version
+ export OSVERSION='bionic'
+
+ # Set system locale
+ export LC_ALL='C'
+
+ # Set debian frontend interface
+ export DEBIAN_FRONTEND='noninteractive'
+
+ # Set NVIDIA CUDA version
+ export CUDA_MAJOR='11'
+ export CUDA_MINOR='2'
+ export CUDA_VERSION="${CUDA_MAJOR}.${CUDA_MINOR}"
+
+ # Set paths to CUDA binaries and libraries
+ export CUDA_HOME="/usr/local/cuda-${CUDA_VERSION}"
+ export PATH="${CUDA_HOME}/bin${PATH:+:${PATH}}"
+ export LD_LIBRARY_PATH="${CUDA_HOME}/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
+
+ # Set OpenMPI major, minor, and revision numbers, root and
+ # installation directories
+ export OMPI_MAJOR='4'
+ export OMPI_MINOR='0'
+ export OMPI_REVISION='5'
+ export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
+ export OMPI_ROOT_DIR='/opt/openmpi'
+ export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
+
+ # Set paths to OpenMPI binaries and libraries
+ export PATH="${OMPI_INSTALL_DIR}/bin:${PATH}"
+ export LD_LIBRARY_PATH="${OMPI_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
+
+ # Upgrade all software packages to their latest versions
+ apt-get -y update && apt-get -y upgrade
+
+ cd /tmp
+
+ # Set OMB major and minor version numbers, root and
+ # installation directories
+ export OMB_ROOT_URL='http://mvapich.cse.ohio-state.edu/download/mvapich'
+ export OMB_MAJOR='5'
+ export OMB_MINOR='8'
+ export OMB_VERSION="${OMB_MAJOR}.${OMB_MINOR}"
+ export OMB_ROOT_DIR='/opt/omb'
+ export OMB_INSTALL_DIR="${OMB_ROOT_DIR}/${OMB_VERSION}"
+
+ # Download, build, and install OSU Microbenchmarks
+ wget "${OMB_ROOT_URL}/osu-micro-benchmarks-${OMB_VERSION}.tgz"
+ tar -xf "osu-micro-benchmarks-${OMB_VERSION}.tgz"
+ cd "osu-micro-benchmarks-${OMB_VERSION}"
+ ./configure --prefix="${OMB_INSTALL_DIR}" CC='mpicc' CXX='mpicxx' --enable-cuda --with-cuda-include="${CUDA_HOME}/include" --with-cuda-libpath="${CUDA_HOME}/lib64"
+ make
+ make install
+
+ # Reorganize OSU Microbenchmarks directory structure
+ cd "${OMB_INSTALL_DIR}"
+ mv libexec/osu-micro-benchmarks/mpi/collective ./
+ mv libexec/osu-micro-benchmarks/mpi/one-sided ./
+ mv libexec/osu-micro-benchmarks/mpi/pt2pt ./
+ mv libexec/osu-micro-benchmarks/mpi/startup ./
+ rm -rf libexec
+
+ cd /tmp
+
+ # Remove OMB build directory and source tarball
+ rm -rf "osu-micro-benchmarks-${OMB_VERSION}"
+ rm "osu-micro-benchmarks-${OMB_VERSION}.tgz"
+
+ # Cleanup
+ apt-get -y autoremove --purge
+ apt-get -y clean
+
+ # Update database for mlocate
+ updatedb
+
+%files
+
+%runscript
+
+%test
diff --git a/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1 b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1
index 85a749a3f8c5e3e100b7070991e51992007ead8e..306c06b8d75108122411a6972b04338918cf6e8e 100644
--- a/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1
+++ b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1
@@ -4,7 +4,7 @@ From: ghcr.io/mkandes/naked-singularity:ubuntu-18.04-cuda-10.2
%labels
APPLICATION_NAME ubuntu + cuda mlnx-ofed
- APPLICATION_VERSION 18.04 + 10.2. + 4.6-1.0.1.1
+ APPLICATION_VERSION 18.04 + 10.2 + 4.6-1.0.1.1
APPLICATION_URL https://www.mellanox.com/products/infiniband-drivers/linux/mlnx_ofed
AUTHOR_NAME Marty Kandes
diff --git a/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1-openmpi-3.1.4 b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1-openmpi-3.1.4
index 7493e57a749078149da0d7ea56ce7cc1d886242f..d7a3cbe494e01fd4eb5ba785d2c21df82dec87cf 100644
--- a/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1-openmpi-3.1.4
+++ b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0.1.1-openmpi-3.1.4
@@ -4,7 +4,7 @@ From: ghcr.io/mkandes/naked-singularity:ubuntu-18.04-cuda-10.2-mlnx-ofed-4.6-1.0
%labels
APPLICATION_NAME ubuntu + cuda + mlnx-ofed + openmpi
- APPLICATION_VERSION 18.04 + 10.2. + 4.6-1.0.1.1 + 3.1.4
+ APPLICATION_VERSION 18.04 + 10.2 + 4.6-1.0.1.1 + 3.1.4
APPLICATION_URL https://www.open-mpi.org
AUTHOR_NAME Marty Kandes
diff --git a/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5 b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5
new file mode 100644
index 0000000000000000000000000000000000000000..62163a226b70b283662aae29c08e663cc2171b85
--- /dev/null
+++ b/definition-files/ubuntu/Singularity.ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0-openmpi-4.0.5
@@ -0,0 +1,106 @@
+Bootstrap: oras
+From: ghcr.io/mkandes/naked-singularity:ubuntu-18.04-cuda-11.2-mlnx-ofed-4.7-3.2.9.0
+
+%labels
+
+ APPLICATION_NAME ubuntu + cuda + mlnx-ofed + openmpi
+ APPLICATION_VERSION 18.04 + 11.2 + 4.7-3.2.9.0 + 4.0.5
+ APPLICATION_URL https://www.open-mpi.org
+
+ AUTHOR_NAME Marty Kandes
+ AUTHOR_EMAIL mkandes@sdsc.edu
+
+ LAST_UPDATED 20210924
+
+%setup
+
+%environment
+
+ # Set OpenMPI major, minor, and revision numbers, root and
+ # installation directories
+ export OMPI_MAJOR='4'
+ export OMPI_MINOR='0'
+ export OMPI_REVISION='5'
+ export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
+ export OMPI_ROOT_DIR='/opt/openmpi'
+ export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
+
+ # Set paths to OpenMPI binaries and libraries
+ export PATH="${OMPI_INSTALL_DIR}/bin:${PATH}"
+ export LD_LIBRARY_PATH="${OMPI_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
+
+%post -c /bin/bash
+
+ # Set operating system mirror URL
+ export MIRRORURL='http://us.archive.ubuntu.com/ubuntu'
+
+ # Set operating system version
+ export OSVERSION='bionic'
+
+ # Set system locale
+ export LC_ALL='C'
+
+ # Set debian frontend interface
+ export DEBIAN_FRONTEND='noninteractive'
+
+ # Set NVIDIA CUDA version
+ export CUDA_MAJOR='11'
+ export CUDA_MINOR='2'
+ export CUDA_VERSION="${CUDA_MAJOR}.${CUDA_MINOR}"
+
+ # Set paths to CUDA binaries and libraries
+ export CUDA_HOME="/usr/local/cuda-${CUDA_VERSION}"
+ export PATH="${CUDA_HOME}/bin${PATH:+:${PATH}}"
+ export LD_LIBRARY_PATH="${CUDA_HOME}/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
+
+ # Upgrade all software packages to their latest versions
+ apt-get -y update && apt-get -y upgrade
+
+ # Install OpenMPI dependencies
+ apt-get -y install zlib1g-dev
+
+ # Set OpenMPI major, minor, and revision numbers, root and
+ # installation directories
+ export OMPI_ROOT_URL='https://download.open-mpi.org/release/open-mpi'
+ export OMPI_MAJOR='4'
+ export OMPI_MINOR='0'
+ export OMPI_REVISION='5'
+ export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
+ export OMPI_ROOT_DIR='/opt/openmpi'
+ export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
+
+ cd /tmp
+
+ # Download, build, and install OpenMPI
+ wget "${OMPI_ROOT_URL}/v${OMPI_MAJOR}.${OMPI_MINOR}/openmpi-${OMPI_VERSION}.tar.gz"
+ tar -xf "openmpi-${OMPI_VERSION}.tar.gz"
+ cd "openmpi-${OMPI_VERSION}"
+ ./configure --prefix="${OMPI_INSTALL_DIR}" --enable-shared \
+ --disable-silent-rules --disable-builtin-atomics --enable-static \
+ --without-hcoll --without-psm --without-knem --without-psm2 \
+ --with-verbs=/usr --without-ofi --without-mxm --without-fca \
+ --without-xpmem --without-ucx --without-cma --without-slurm \
+ --without-tm --without-loadleveler --without-alps --without-lsf \
+ --without-sge --disable-memchecker --disable-java \
+ --disable-mpi-java --with-cuda --enable-mpi-cxx \
+ --enable-cxx-exceptions
+ make all install
+
+ cd /tmp
+
+ # Remove OpenMPI build directory and source tarball
+ rm -rf "openmpi-${OMPI_VERSION}"
+ rm "openmpi-${OMPI_VERSION}.tar.gz"
+
+ # Cleanup
+ apt-get -y autoremove --purge
+ apt-get -y clean
+
+ # Update database for mlocate
+ updatedb
+
+%files
+
+%runscript
+
+%test