mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-11-22 14:07:55 +00:00
67 lines
2.2 KiB
Bash
Executable file
67 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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# SPDX-FileCopyrightText: 2021-2022 Ole Tange, http://ole.tange.dk and Free Software and Foundation, Inc.
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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make stopvm >/dev/null 2>/dev/null
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TMPDIR=${TMPDIR:-/tmp}
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mkdir -p $TMPDIR
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# Jobs that eat more than 2 GB RAM
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gendata() {
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# Generate a lot of text data fast
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yes "`seq 3000`" | head -c $1
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}
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export -f gendata
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perl5.14parallel() {
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# Run GNU Parallel under perl 5.14 which does not support 64-bit very well
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# Remove setpgrp_func because 5.14 may use another func
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rm -f ~/.parallel/tmp/sshlogin/*/setpgrp_func
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PATH=input-files/perl-v5.14.2:$PATH
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PERL5LIB=input-files/perl-v5.14.2/lib input-files/perl-v5.14.2/perl `which parallel` "$@"
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rm -f ~/.parallel/tmp/sshlogin/*/setpgrp_func
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}
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export -f perl5.14parallel
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par_2gb_records_N() {
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echo '### bug #44358: 2 GB records cause problems for -N'
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echo '5 GB version: Eats 12.5 GB RAM + 4 GB Swap'
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(gendata 5000MB; echo FOO;
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gendata 3000MB; echo FOO;
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gendata 1000MB;) |
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perl5.14parallel --pipe --recend FOO -N2 --block 1g -k LANG=c wc -c
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echo '2 GB version: eats 10 GB'
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(gendata 2300MB; echo FOO;
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gendata 2300MB; echo FOO;
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gendata 1000MB;) |
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perl5.14parallel --pipe --recend FOO -N2 --block 1g -k LANG=c wc -c
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echo '### -L >4GB';
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echo 'Eats 12.5 GB RAM + 6 GB Swap';
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(head -c 5000MB /dev/zero; echo FOO;
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head -c 3000MB /dev/zero; echo FOO;
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head -c 1000MB /dev/zero;) |
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parallel --pipe -L2 --block 1g -k LANG=c wc -c
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}
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par_2gb_record_reading() {
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echo '### Trouble reading a record > 2 GB for certain versions of Perl (substr($a,0,2G+1)="fails")'
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echo '### perl -e $buf=("x"x(2**31))."x"; substr($buf,0,2**31+1)=""; print length $buf'
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echo 'Eats 4 GB'
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perl -e '$buf=("x"x(2**31))."x"; substr($buf,0,2**31+1)=""; print ((length $buf)."\n")'
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echo 'Eats 4.7 GB'
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(gendata 2300MB; echo ged) |
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perl5.14parallel -k --block 2G --pipe --recend ged md5sum
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echo 'Eats 4.7 GB'
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(gendata 2300MB; echo ged) |
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perl5.14parallel -k --block 2G --pipe --recend ged cat | wc -c
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}
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export -f $(compgen -A function | grep par_)
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compgen -A function | grep par_ | sort |
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parallel -j1 --tag -k --joblog +/tmp/jl-`basename $0` '{} 2>&1'
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