make[1]: Entering directory `/home/tange/privat/parallel/testsuite' # || true - because this should not fail if the VM is not running VBoxManage controlvm CentOS3-root:centos3 savestate || true VBoxManage controlvm RedHat9-root:redhat9 savestate || true VBoxManage controlvm OracleXE savestate || true make[1]: Leaving directory `/home/tange/privat/parallel/testsuite' echo '### Trouble reading a record > 2 GB for certain versions of Perl (substr($a,0,2G+1)="fails")' ### Trouble reading a record > 2 GB for certain versions of Perl (substr($a,0,2G+1)="fails") echo '### perl -e $buf=("x"x(2**31))."x"; substr($buf,0,2**31+1)=""; print length $buf' ### perl -e $buf=("x"x(2**31))."x"; substr($buf,0,2**31+1)=""; print length $buf echo 'Eats 4 GB' Eats 4 GB perl -e '$buf=("x"x(2**31))."x"; substr($buf,0,2**31+1)=""; print length $buf."\n"' 1echo 'Eats 2.5 GB' Eats 2.5 GB (yes "`seq 3000`" | head -c 2300M; echo ged) | PERL5LIB=input-files/perl-v5.14.2/lib input-files/perl-v5.14.2/perl `which parallel` -k --block 2G --pipe --recend ged md5sum 7be046296f6b0cde6049a11c116908ea - 68b329da9893e34099c7d8ad5cb9c940 - parallel: Warning: --blocksize >= 2G causes problems. Using 2G-1. echo 'Eats 2.5 GB' Eats 2.5 GB (yes "`seq 3000`" | head -c 2300M; echo ged) | PERL5LIB=input-files/perl-v5.14.2/lib input-files/perl-v5.14.2/perl `which parallel` -k --block 2G --pipe --recend ged cat | wc -c 2411724804 parallel: Warning: --blocksize >= 2G causes problems. Using 2G-1. echo '**' ** echo '### bug #44358: 2 GB records cause problems for -N' ### bug #44358: 2 GB records cause problems for -N echo '5 GB version: Eats 12.5 GB' 5 GB version: Eats 12.5 GB (yes "`seq 3000`" | head -c 5000000000; echo FOO; yes "`seq 3000`" | head -c 3000000000; echo FOO; yes "`seq 3000`" | head -c 1000000000;) | PERL5LIB=input-files/perl-v5.14.2/lib input-files/perl-v5.14.2/perl `which parallel` --pipe --recend FOO -N2 --block 1g -k LANG=c wc -c 8000000007 1000000001 parallel: Warning: A record was longer than 1000000000. Increasing to --blocksize 1300000001. parallel: Warning: A record was longer than 1300000001. Increasing to --blocksize 1690000003. parallel: Warning: A record was longer than 1690000003. Increasing to --blocksize 2147483647. echo '2 GB version: eats 10 GB' 2 GB version: eats 10 GB (yes "`seq 3000`" | head -c 2300M; echo FOO; yes "`seq 3000`" | head -c 2300M; echo FOO; yes "`seq 3000`" | head -c 1000M;) | PERL5LIB=input-files/perl-v5.14.2/lib input-files/perl-v5.14.2/perl `which parallel` --pipe --recend FOO -N2 --block 1g -k LANG=c wc -c 4823449607 1048576001 parallel: Warning: A record was longer than 1000000000. Increasing to --blocksize 1300000001. parallel: Warning: A record was longer than 1300000001. Increasing to --blocksize 1690000003. parallel: Warning: A record was longer than 1690000003. Increasing to --blocksize 2147483647. echo '### -L >4GB' ### -L >4GB (head -c 5000000000 /dev/zero; echo FOO; head -c 3000000000 /dev/zero; echo FOO; head -c 1000000000 /dev/zero;) | parallel --pipe -L2 --block 1g -k LANG=c wc -c 8000000008 1000000000 parallel: Warning: A record was longer than 1000000000. Increasing to --blocksize 1300000001. parallel: Warning: A record was longer than 1300000001. Increasing to --blocksize 1690000003. parallel: Warning: A record was longer than 1690000003. Increasing to --blocksize 2147483647. make[1]: Entering directory `/home/tange/privat/parallel/testsuite' # Make sure we can reach the virtual machines sudo ifconfig wlan0:0 192.168.1.72 # If they are already running: Don't fail VBoxManage startvm CentOS3-root:centos3 || VBoxManage controlvm CentOS3-root:centos3 resume || true Waiting for VM "CentOS3-root:centos3" to power on... VM "CentOS3-root:centos3" has been successfully started. VBoxManage startvm RedHat9-root:redhat9 || VBoxManage controlvm RedHat9-root:redhat9 resume || true Waiting for VM "RedHat9-root:redhat9" to power on... VM "RedHat9-root:redhat9" has been successfully started. make[1]: Leaving directory `/home/tange/privat/parallel/testsuite'