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parallel: Warning if --pipe with --block >64k on CygWin.
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Ole Tange
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12
README
12
README
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@ -40,9 +40,9 @@ document.
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Full installation of GNU Parallel is as simple as:
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wget http://ftpmirror.gnu.org/parallel/parallel-20160522.tar.bz2
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bzip2 -dc parallel-20160522.tar.bz2 | tar xvf -
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cd parallel-20160522
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wget http://ftpmirror.gnu.org/parallel/parallel-20160622.tar.bz2
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bzip2 -dc parallel-20160622.tar.bz2 | tar xvf -
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cd parallel-20160622
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./configure && make && sudo make install
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@ -51,9 +51,9 @@ Full installation of GNU Parallel is as simple as:
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If you are not root you can add ~/bin to your path and install in
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~/bin and ~/share:
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wget http://ftpmirror.gnu.org/parallel/parallel-20160522.tar.bz2
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bzip2 -dc parallel-20160522.tar.bz2 | tar xvf -
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cd parallel-20160522
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wget http://ftpmirror.gnu.org/parallel/parallel-20160622.tar.bz2
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bzip2 -dc parallel-20160622.tar.bz2 | tar xvf -
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cd parallel-20160622
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./configure --prefix=$HOME && make && make install
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Or if your system lacks 'make' you can simply copy src/parallel
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@ -1,4 +1,4 @@
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AC_INIT([parallel], [20160522], [bug-parallel@gnu.org])
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AC_INIT([parallel], [20160622], [bug-parallel@gnu.org])
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AM_INIT_AUTOMAKE([-Wall -Werror foreign])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([
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@ -219,20 +219,29 @@ cc:Tim Cuthbertson <tim3d.junk@gmail.com>,
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Ryoichiro Suzuki <ryoichiro.suzuki@gmail.com>,
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Jesse Alama <jesse.alama@gmail.com>
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Subject: GNU Parallel 20160622 ('brexit/ali') released <<[stable]>>
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Subject: GNU Parallel 20160622 ('Orlando') released <<[stable]>>
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GNU Parallel 20160622 ('brexit') <<[stable]>> has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/
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GNU Parallel 20160622 ('Orlando') <<[stable]>> has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/
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<<No new functionality was introduced so this is a good candidate for a stable release.>>
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Haiku of the month:
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<<>>
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Does path on remote
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not include GNU Parallel?
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Try --env PATH.
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-- Ole Tange
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New in this release:
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* The cookie from 2016-01-04 was won by Morgan Rodgers 5 months.
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* $PATH can now be exported using --env PATH. Useful if GNU Parallel is not in your path on remote machines.
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* If --block is left out, --pipepart will use a block size that will result in 10 jobs per jobslot.
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* The cookie from 2016-01-04 was won by Morgan Rodgers on the 2016-06-06 after 5 months.
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* Vote for GNU Parallel's community ad on https://meta.askubuntu.com/questions/14925/community-promotion-ads-2016/15046#15046
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* <<Possibly http://link.springer.com/chapter/10.1007%2F978-3-319-22053-6_46>>
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@ -260,12 +269,22 @@ for Big Data Applications https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumb
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* <<link No citation: Next-generation TCP for ns-3 simulator http://www.sciencedirect.com/science/article/pii/S1569190X15300939>>
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* GNU Parallel was cited in: Genotypic Resistance Tests Sequences Reveal the Role of Marginalized Populations in HIV-1 Transmission in Switzerland http://www.nature.com/articles/srep27580
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* GNU Parallel was cited in: A Deep-Learning Approach for Operation of an Automated Realtime Flare Forecast https://arxiv.org/pdf/1606.01587.pdf
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* Unix parallel: Populating all the USB sticks http://www.markhneedham.com/blog/2016/06/01/unix-parallel-populating-all-the-usb-sticks/
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* GNU Parallel is a fantastic utility https://www.dray.be/parallel/
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* Combining a large number of VCF files https://gtamazian.com/2016/06/16/combining-a-large-number-of-vcf-files/
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* Useful Scraping Techniques http://blog.apps.npr.org/2016/06/17/scraping-tips.html
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* Tools of the trade http://onox.com.br/2015/05/tools-of-the-trade/#more-198
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* Armslist scraper https://github.com/nprapps/armslist-scraper/
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* Bug fixes and man page updates.
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GNU Parallel - For people who live life in the parallel lane.
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@ -24,7 +24,7 @@
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use strict;
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use Getopt::Long;
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$Global::progname="niceload";
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$Global::version = 20160523;
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$Global::version = 20160622;
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Getopt::Long::Configure("bundling","require_order");
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get_options_from_array(\@ARGV) || die_usage();
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if($opt::version) {
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20
src/parallel
20
src/parallel
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@ -1012,6 +1012,11 @@ sub parse_options {
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warning("--blocksize >= 2G causes problems. Using 2G-1.");
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$Global::blocksize = 2**31-1;
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}
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if($^O eq "cygwin" and
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($opt::pipe or $opt::pipepart or $opt::roundrobin)
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and $Global::blocksize > 65535) {
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warning("--blocksize >= 64K causes problems on Cygwin.");
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}
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$opt::memfree = multiply_binary_prefix($opt::memfree);
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check_invalid_option_combinations();
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if((defined $opt::fifo or defined $opt::cat)
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@ -1190,7 +1195,7 @@ sub check_invalid_option_combinations {
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sub init_globals {
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# Defaults:
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$Global::version = 20160529;
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$Global::version = 20160622;
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$Global::progname = 'parallel';
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$Global::infinity = 2**31;
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$Global::debug = 0;
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@ -3053,6 +3058,9 @@ sub parse_host_filtering {
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# ncores: server 8
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# ncpus: server 2
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# maxlen: server 131071
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if(/parallel: Warning: Cannot figure out number of/) {
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next;
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}
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if(not $ncores{$col[0]}) {
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$ncores{$col[0]} = $col[1];
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} elsif(not $ncpus{$col[0]}) {
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@ -6456,13 +6464,7 @@ sub write {
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my $written;
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while($written = syswrite($stdin_fh,$$remaining_ref)){
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substr($$remaining_ref,0,$written) = "";
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# Crazy cygwin - Without this, some data will silently be dropped
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# seq 100000 | parallel --block 83k --pipe -kj3 cat | wc
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$^O eq "cygwin" and ::usleep(200);
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}
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# Crazy cygwin - Without this, some data will silently be dropped
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syswrite($stdin_fh,"");
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print $stdin_fh "";
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}
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sub set_block {
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@ -6531,10 +6533,6 @@ sub non_blocking_write {
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$self->set_block(\$a,\$a,0,"","");
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$something_written = $rv;
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}
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# Crazy cygwin - Without this, some data will silently be dropped
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# seq 100000 | parallel --block 83k --pipe -kj3 --round-robin cat | wc
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$^O eq "cygwin" and ::usleep(200);
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::debug("pipe", "Non-block: ", $something_written);
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return $something_written;
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}
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