#!/bin/bash WGET_OPTIONS="--no-check-certificate" MRO_VERSION="3.2.4" CHECKPOINT_DATE="2016-04-01" R_BENCHMARK_SCRIPT="benchmark-sample.R" DIR_BLAS="/opt/blas-libs" if [ ! -f ./cpuinfo ]; then echo "Intel processor family information utility not found, aborting..." exit 1 fi PROCESSOR_CORES=`./cpuinfo -g | grep -oP 'Cores( +):( +)\K(\d+)'` PROCESSOR_CPUS=`./cpuinfo -g | grep -oP 'Processors\(CPUs\)( +):( +)\K(\d+)'` NPROC=${PROCESSOR_CORES} function mro_install { echo "Started installing Microsoft R Open and dependencies" # save host info ./cpuinfo -g | grep -oP 'Processor name( +):( +)\K(.+)' > host-info.log cat /proc/meminfo | grep -oP 'MemTotal:( +)\K(\d+)' >> host-info.log lspci -nn | grep -oP "VGA.*\KNVIDIA.*?]" >> host-info.log # update debian repos & upgrade packages echo "deb http://snapshot.debian.org/archive/debian/20160411T102554Z/ jessie-backports main" >> /etc/apt/sources.list apt-get -o Acquire::Check-Valid-Until=false update DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" upgrade # install core packages apt-get -y install build-essential gfortran ed htop libxml2-dev ca-certificates curl libcurl4-openssl-dev gdebi-core sshpass git cpufrequtils cmake initramfs-tools linux-headers-$(uname -r) nvidia-detect bc # disable CPU throttling for ATLAS multi-threading echo performance | tee /sys/devices/system/cpu/cpu**/cpufreq/scaling_governor # hack with Microsoft R Open deps wget ${WGET_OPTIONS} http://ftp.pl.debian.org/debian/pool/main/libj/libjpeg8/libjpeg8_8d1-2_amd64.deb gdebi -n libjpeg8_8d1-2_amd64.deb rm libjpeg8_8d1-2_amd64.deb # install Microsoft R Open wget ${WGET_OPTIONS} https://mran.microsoft.com/install/mro/${MRO_VERSION}/MRO-${MRO_VERSION}-Ubuntu-15.4.x86_64.deb gdebi -n MRO-${MRO_VERSION}-Ubuntu-15.4.x86_64.deb rm MRO-${MRO_VERSION}-Ubuntu-15.4.x86_64.deb # make symbolic link to R libraries dir ln -s /usr/lib64/MRO-${MRO_VERSION}/R-${MRO_VERSION}/lib/R/lib/ /opt/MRO-lib # prepare R checkpoint mkdir ~/.checkpoint Rscript -e "library(checkpoint); checkpoint('${CHECKPOINT_DATE}')" sed -i "1i\library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE)" benchmark-sample.R sed -i "1i\library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE)" benchmark-urbanek.R sed -i "1i\library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE)" benchmark-revolution.R sed -i "1i\library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE)" benchmark-gcbd.R # make directory for BLAS and LAPACK libraries mkdir -p ${DIR_BLAS} # clean archives apt-get clean echo "Finished installing Microsoft R Open and dependencies" } ############################################################## ############################################################## ## CPU ## ############################################################## ############################################################## ############################################################## # netlib # # - http://www.netlib.org/ # # - BLAS + LAPACK # # - single-threaded (reference) # ############################################################## DIR_NETLIB="${DIR_BLAS}/netlib" function netlib_install { echo "Started installing netlib" mkdir ${DIR_NETLIB} apt-get -y install libblas3 liblapack3 cp /usr/lib/libblas/libblas.so.3.0 ${DIR_NETLIB} cp /usr/lib/lapack/liblapack.so.3.0 ${DIR_NETLIB} apt-get -y purge libblas3 liblapack3 apt-get -y autoremove apt-get clean echo "Installed files:" find ${DIR_NETLIB} -type f echo "Finished installing netlib." } function netlib_remove { echo "Started removing netlib" rm ${DIR_NETLIB} -r echo "Finished removing netlib." } function netlib_check { echo "Started checking netlib" LD_PRELOAD="${DIR_NETLIB}/libblas.so.3.0 ${DIR_NETLIB}/liblapack.so.3.0" Rscript -e "blasLibName='netlib'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking netlib" } ############################################################## # ATLAS (st) # # - http://math-atlas.sourceforge.net/ # # - BLAS + LAPACK # # - single-threaded # ############################################################## DIR_ATLAS_ST="${DIR_BLAS}/atlas-st" function atlas_st_install { echo "Started installing ATLAS (single-threaded)" mkdir ${DIR_ATLAS_ST} apt-get -y install libatlas3-base cp /usr/lib/atlas-base/libatlas.so.3 ${DIR_ATLAS_ST} cp /usr/lib/atlas-base/atlas/libblas.so.3 ${DIR_ATLAS_ST} cp /usr/lib/atlas-base/atlas/liblapack.so.3 ${DIR_ATLAS_ST} apt-get -y purge libatlas3-base apt-get -y autoremove apt-get clean echo "Installed files:" find ${DIR_ATLAS_ST} -type f echo "Finished installing ATLAS (single-threaded)" } function atlas_st_check { echo "Started checking ATLAS (single-threaded)" LD_PRELOAD="${DIR_ATLAS_ST}/libatlas.so.3 ${DIR_ATLAS_ST}/libblas.so.3 ${DIR_ATLAS_ST}/liblapack.so.3" Rscript -e "blasLibName='atlas_st'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking ATLAS (single-threaded)" } function atlas_st_remove { echo "Started removing ATLAS (single-threaded)" rm ${DIR_ATLAS_ST} -r echo "Finished removing ATLAS (single-threaded)" } ############################################################## # OpenBLAS # # - http://www.openblas.net/ # # - BLAS + LAPACK # # - multi-threaded # ############################################################## DIR_OPENBLAS="${DIR_BLAS}/openblas" function openblas_install { echo "Started installing OpenBLAS" mkdir ${DIR_OPENBLAS} apt-get -y install libopenblas-base cp /usr/lib/libopenblas.so.0 ${DIR_OPENBLAS} cp /usr/lib/openblas-base/libblas.so.3 ${DIR_OPENBLAS} cp /usr/lib/openblas-base/liblapack.so.3 ${DIR_OPENBLAS} apt-get -y purge libopenblas-base apt-get -y autoremove apt-get clean echo "Installed files:" find ${DIR_OPENBLAS} -type f echo "Finished installing OpenBLAS" } function openblas_check { echo "Started checking OpenBLAS" LD_PRELOAD="${DIR_OPENBLAS}/libopenblas.so.0 ${DIR_OPENBLAS}/libblas.so.3 ${DIR_OPENBLAS}/liblapack.so.3" Rscript -e "blasLibName='openblas'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking OpenBLAS" } function openblas_remove { echo "Started removing OpenBLAS" rm ${DIR_OPENBLAS} -r echo "Finished removing OpenBLAS" } ############################################################## # ATLAS (mt) # # - http://math-atlas.sourceforge.net/ # # - BLAS + netlib LAPACK # # - multi-threaded # ############################################################## DIR_ATLAS_MT="${DIR_BLAS}/atlas-mt" function atlas_mt_install { echo "Started installing ATLAS (multi-threaded)" mkdir ${DIR_ATLAS_MT} curl -L https://sourceforge.net/projects/math-atlas/files/Developer%20%28unstable%29/3.11.38/atlas3.11.38.tar.bz2/download > atlas3.11.38.tar.bz2 tar -xvf atlas3.11.38.tar.bz2 rm atlas3.11.38.tar.bz2 cd ATLAS mkdir build cd build wget ${WGET_OPTIONS} http://www.netlib.org/lapack/lapack-3.6.0.tgz sed -i "1423i\thrchk=0;" ../CONFIG/src/config.c sed -i "324i\case 0x5E:" ../CONFIG/src/backend/archinfo_x86.c ../configure --shared --with-netlib-lapack-tarfile=`pwd`/lapack-3.6.0.tgz make cp lib/libtatlas.so ${DIR_ATLAS_MT} cd ../../ rm -r ATLAS echo "Installed files:" find ${DIR_ATLAS_MT} -type f echo "Finished installing ATLAS (multi-threaded)" } function atlas_mt_check { echo "Started checking ATLAS (multi-threaded)" LD_PRELOAD="${DIR_ATLAS_MT}/libtatlas.so" Rscript -e "blasLibName='atlas_mt'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking ATLAS (multi-threaded)" } function atlas_mt_remove { echo "Started removing ATLAS (multi-threaded)" rm ${DIR_ATLAS_MT} -r echo "Finished removing ATLAS (multi-threaded)" } ############################################################## # GotoBLAS2 # # - https://prs.ism.ac.jp/~nakama/SurviveGotoBLAS2/ # # - BLAS + LAPACK # # - multi-threaded # ############################################################## DIR_GOTOBLAS2="${DIR_BLAS}/gotoblas2" function gotoblas2_install { echo "Started installing GotoBLAS2" mkdir ${DIR_GOTOBLAS2} wget ${WGET_OPTIONS} https://prs.ism.ac.jp/~nakama/SurviveGotoBLAS2/SurviveGotoBLAS2_3.141.tar.gz tar -xvf SurviveGotoBLAS2_3.141.tar.gz rm SurviveGotoBLAS2_3.141.tar.gz cd survivegotoblas2-3.141 # if target architecture can not be detected, then add to "make" e.g. TARGET=CORE2 ; see 3. in 02QuickInstall.txt # fix "invalid operands (*UND* and *ABS* sections) for `*'" error: add "BINARY=64 DYNAMIC_ARCH=1" to "make" make REFBLAS_ANTILOGY=1 NO_CBLAS=1 GOTOBLASLIBSONAME=libgoto2blas.so GOTOLAPACKLIBSONAME=libgoto2lapack.so -j ${NPROC} cp exports/libgoto2blas.so ${DIR_GOTOBLAS2} cp exports/libgoto2lapack.so ${DIR_GOTOBLAS2} cd .. rm -r survivegotoblas2-3.141 Rscript -e "library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE); install.packages('RhpcBLASctl')" echo "Installed files:" find ${DIR_GOTOBLAS2} -type f echo "Finished installing GotoBLAS2" } function gotoblas2_check { echo "Started checking GotoBLAS2" echo "${DIR_GOTOBLAS2}" > /etc/ld.so.conf.d/gotoblas2.conf ldconfig LD_PRELOAD="${DIR_GOTOBLAS2}/libgoto2blas.so ${DIR_GOTOBLAS2}/libgoto2lapack.so" GOTO_NUM_THREADS=1 Rscript -e "blasLibName='gotoblas2'; library(checkpoint); checkpoint('${CHECKPOINT_DATE}', scanForPackages=FALSE, verbose=FALSE); library(RhpcBLASctl); blas_set_num_threads(${NPROC}); source('${R_BENCHMARK_SCRIPT}')" rm /etc/ld.so.conf.d/gotoblas2.conf ldconfig echo "Finished checking GotoBLAS2" } function gotoblas2_remove { echo "Started removing GotoBLAS2" rm ${DIR_GOTOBLAS2} -r echo "Finished removing GotoBLAS2" } ############################################################## # MKL # # - https://mran.microsoft.com/documents/rro/multithread/ # # - BLAS + LAPACK # # - multi-threaded # ############################################################## DIR_MKL="${DIR_BLAS}/mkl" function mkl_install { echo "Started installing MKL" mkdir ${DIR_MKL} wget ${WGET_OPTIONS} https://mran.microsoft.com/install/mro/${MRO_VERSION}/RevoMath-${MRO_VERSION}.tar.gz tar -xvzf RevoMath-${MRO_VERSION}.tar.gz rm RevoMath-${MRO_VERSION}.tar.gz cp RevoMath/mkl/libs/*.so ${DIR_MKL} rm RevoMath -r echo "Installed files:" find ${DIR_MKL} -type f echo "Finished installing MKL" } function mkl_check { echo "Started checking MKL" LD_PRELOAD="${DIR_MKL}/libRblas.so ${DIR_MKL}/libRlapack.so ${DIR_MKL}/libmkl_vml_mc3.so ${DIR_MKL}/libmkl_vml_def.so ${DIR_MKL}/libmkl_gnu_thread.so ${DIR_MKL}/libmkl_core.so ${DIR_MKL}/libmkl_gf_lp64.so ${DIR_MKL}/libiomp5.so ${DIR_MKL}/libmkl_gf_ilp64.so" MKL_INTERFACE_LAYER="GNU,LP64" MKL_THREADING_LAYER="GNU" Rscript -e "blasLibName='mkl'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking MKL" } function mkl_remove { echo "Started removing MKL" rm ${DIR_MKL} -r echo "Finished removing MKL" } ############################################################## # BLIS # # - https://github.com/flame/blis # # - BLAS # # - multi-threaded # ############################################################## DIR_BLIS="${DIR_BLAS}/blis" function blis_install { echo "Started installing BLIS" mkdir ${DIR_BLIS} git clone https://github.com/flame/blis.git cd blis git checkout 32db0adc218ea4ae370164dbe8d23b41cd3526d3 # 17.05.2016 # if target architecture can not be detected ("reference" is used), then replace "auto" to e.g. "haswell" ; see https://github.com/flame/blis/wiki/BuildSystem ./configure -t pthreads --enable-shared auto make -j ${NPROC} cd .. cp `find ./blis/ -name "libblis.so"` ${DIR_BLIS} rm -r blis echo "Installed files:" find ${DIR_BLIS} -type f echo "Finished installing BLIS" } function blis_check { echo "Started checking BLIS" # auto set threading variables (more or less) according to https://github.com/flame/blis/wiki/Multithreading CPU_L3_PRESENT=`./cpuinfo -c | grep -coP "^L3"` CPU_L3_PRIVATE=`./cpuinfo -c | grep -coP "^L3(.*)no sharing"` CPU_L2_PRIVATE=`./cpuinfo -c | grep -coP "^L2(.*)no sharing"` CPU_L1_PRIVATE=`./cpuinfo -c | grep -coP "^L1(.*)no sharing"` COUNT_JC=1 COUNT_IC=1 COUNT_JR=1 COUNT_IR=1 PARALLEL_STEPS=`echo "l(${NPROC})/l(2)" | bc -l | grep -oP "^\d+"` PARALLEL_I_LOOP=0 PARALLEL_J_LOOP=0 while [ $PARALLEL_STEPS -gt 0 ] do if [ $PARALLEL_I_LOOP -lt $PARALLEL_J_LOOP ]; then if [ ${CPU_L2_PRIVATE} -eq 1 ]; then COUNT_IC=$((${COUNT_IC} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) elif [ ${CPU_L3_PRESENT} -eq 1 -a ${CPU_L3_PRIVATE} -eq 1 ]; then COUNT_JC=$((${COUNT_JC} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) elif [ ${CPU_L1_PRIVATE} -eq 1 ]; then COUNT_JR=$((${COUNT_JR} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) else COUNT_IR=$((${COUNT_IR} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) fi elif [ $PARALLEL_J_LOOP -lt $PARALLEL_I_LOOP ]; then if [ ${CPU_L3_PRESENT} -eq 1 -a ${CPU_L3_PRIVATE} -eq 1 ]; then COUNT_JC=$((${COUNT_JC} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) elif [ ${CPU_L1_PRIVATE} -eq 1 ]; then COUNT_JR=$((${COUNT_JR} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) elif [ ${CPU_L2_PRIVATE} -eq 1 ]; then COUNT_IC=$((${COUNT_IC} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) else COUNT_IR=$((${COUNT_IR} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) fi else if [ ${CPU_L3_PRESENT} -eq 1 -a ${CPU_L3_PRIVATE} -eq 1 ]; then COUNT_JC=$((${COUNT_JC} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) elif [ ${CPU_L2_PRIVATE} -eq 1 ]; then COUNT_IC=$((${COUNT_IC} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) elif [ ${CPU_L1_PRIVATE} -eq 1 ]; then COUNT_JR=$((${COUNT_JR} * 2)) PARALLEL_J_LOOP=$((${PARALLEL_J_LOOP} + 1)) else COUNT_IR=$((${COUNT_IR} * 2)) PARALLEL_I_LOOP=$((${PARALLEL_I_LOOP} + 1)) fi fi ((PARALLEL_STEPS--)) done LD_PRELOAD="${DIR_BLIS}/libblis.so" BLIS_JC_NT=${COUNT_JC} BLIS_IC_NT=${COUNT_IC} BLIS_JR_NT=${COUNT_JR} BLIS_IR_NT=${COUNT_IR} Rscript -e "blasLibName='blis'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking BLIS" } function blis_remove { echo "Started removing BLIS" rm ${DIR_BLIS} -r echo "Finished removing BLIS" } ############################################################## ############################################################## ## GPU ## ############################################################## ############################################################## ############################################################## # cuBLAS (NVBLAS) # # - https://developer.nvidia.com/cublas # # - BLAS # # - CUDA # ############################################################## DIR_CUBLAS="${DIR_BLAS}/cublas" function cublas_install { if [ $(nvidia-detect | grep -c "No NVIDIA GPU detected.") -eq 1 ]; then echo "No NVIDIA GPU detected, cuBLAS installation aborted" return 1 fi echo "Started installing cuBLAS" mkdir ${DIR_CUBLAS} # see: https://nouveau.freedesktop.org/wiki/KernelModeSetting/ and https://askubuntu.com/questions/16998/switch-between-nvidia-current-and-nouveau-without-a-reboot echo 0 > /sys/class/vtconsole/vtcon1/bind modprobe -r nouveau DEBIAN_FRONTEND=noninteractive apt-get install nvidia-driver nvidia-modprobe libcuda1 libnvblas6.5 -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" nvidia-modprobe echo " NVBLAS_LOGFILE /dev/null NVBLAS_CPU_BLAS_LIB ${DIR_MKL}/libRblas.so NVBLAS_GPU_LIST ALL0 NVBLAS_TILE_DIM 2048 #NVBLAS_AUTOPIN_MEM_ENABLED" > ${DIR_CUBLAS}/nvblas.conf apt-get clean echo "Finished installing cuBLAS" } function cublas_optimize { if [ $(nvidia-detect | grep -c "No NVIDIA GPU detected.") -eq 1 ]; then echo "No NVIDIA GPU detected, cuBLAS installation aborted" return 1 fi echo "Started optimizing cuBLAS" dims_arr=(128 256 512 1024 2048 4096) best_dim_val=-1 best_dim_time=-1 for dim in ${dims_arr[*]} do echo -n "$dim - " echo " NVBLAS_LOGFILE /dev/null NVBLAS_CPU_BLAS_LIB ${DIR_MKL}/libRblas.so NVBLAS_GPU_LIST ALL0 NVBLAS_TILE_DIM $dim #NVBLAS_AUTOPIN_MEM_ENABLED" > ${DIR_CUBLAS}/nvblas.conf cu_out=$(cublas_check | tail -2 | head -1) echo $cu_out if [ $best_dim_val -eq -1 ]; then echo "first" best_dim_val=$dim best_dim_time=$cu_out elif [ $(echo "$cu_out < $best_dim_time" | bc) -eq 1 ] ; then echo "better" best_dim_time=$cu_out best_dim_val=$dim fi done echo "best: ${best_dim_val} ${best_dim_time}" echo " NVBLAS_LOGFILE /dev/null NVBLAS_CPU_BLAS_LIB ${DIR_MKL}/libRblas.so NVBLAS_GPU_LIST ALL0 NVBLAS_TILE_DIM $best_dim_val #NVBLAS_AUTOPIN_MEM_ENABLED" > ${DIR_CUBLAS}/nvblas.conf echo "Finished optimizing cuBLAS" } # CUDA 7.5 currently supports linux kernel 3.x # #function cublas_online_install { # # if [ $(nvidia-detect | grep -c "No NVIDIA GPU detected.") -eq 1 ]; then # echo "No NVIDIA GPU detected, cuBLAS online installation aborted" # return 1 # fi # # echo "Started installing online cuBLAS" # # mkdir ${DIR_CUBLAS} # # # see: https://nouveau.freedesktop.org/wiki/KernelModeSetting/ and https://askubuntu.com/questions/16998/switch-between-nvidia-current-and-nouveau-without-a-reboot # echo 0 > /sys/class/vtconsole/vtcon1/bind # modprobe -r nouveau # # # Ubuntu dependencies # wget ${WGET_OPTIONS} http://de.archive.ubuntu.com/ubuntu/pool/main/x/x-kit/python3-xkit_0.5.0ubuntu2_all.deb # wget ${WGET_OPTIONS} http://de.archive.ubuntu.com/ubuntu/pool/main/s/screen-resolution-extra/screen-resolution-extra_0.17.1_all.deb # gdebi -n python3-xkit_0.5.0ubuntu2_all.deb # gdebi -n screen-resolution-extra_0.17.1_all.deb # # wget ${WGET_OPTIONS} http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1504/x86_64/cuda-repo-ubuntu1504_7.5-18_amd64.deb # dpkg -i cuda-repo-ubuntu1504_7.5-18_amd64.deb # apt-get -o Acquire::Check-Valid-Until=false update # # DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" install cuda-drivers cuda-cublas-7-5 nvidia-modprobe libcuda1-352 # # nvidia-modprobe # # echo " # NVBLAS_LOGFILE /dev/null # NVBLAS_CPU_BLAS_LIB ${DIR_MKL}/libRblas.so # NVBLAS_GPU_LIST ALL0 # NVBLAS_TILE_DIM 2048 # #NVBLAS_AUTOPIN_MEM_ENABLED" > ${DIR_CUBLAS}/nvblas.conf # # rm python3-xkit_0.5.0ubuntu2_all.deb # rm screen-resolution-extra_0.17.1_all.deb # rm cuda-repo-ubuntu1504_7.5-18_amd64.deb # # apt-get clean # # echo "Finished installing online cuBLAS" #} function cublas_check { if [ $(nvidia-detect | grep -c "No NVIDIA GPU detected.") -eq 1 ]; then echo "No NVIDIA GPU detected, cuBLAS check aborted" return 1 fi echo "Started checking cuBLAS" NVBLAS_CONFIG_FILE="${DIR_CUBLAS}/nvblas.conf" LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libnvblas.so.6.5 /usr/lib/x86_64-linux-gnu/libcublas.so.6.5" Rscript -e "blasLibName='cublas'; source('${R_BENCHMARK_SCRIPT}')" echo "Finished checking cuBLAS" } ############################################################## ############################################################## if [ $# -eq 0 ]; then echo "No arguments supplied" else for i in "$@" do case "$i" in nproc_cores) NPROC=${PROCESSOR_CORES} ;; nproc_cpus) NPROC=${PROCESSOR_CPUS} ;; test_sample) R_BENCHMARK_SCRIPT="benchmark-sample.R" ;; test_urbanek) R_BENCHMARK_SCRIPT="benchmark-urbanek.R" ;; test_revolution) R_BENCHMARK_SCRIPT="benchmark-revolution.R" ;; test_gcbd) R_BENCHMARK_SCRIPT="benchmark-gcbd.R" ;; *) $i esac done fi