NAME

       hwloc-compress-dir - Compress a directory of XML topologies

SYNOPSIS

       hwloc-compress-dir [options] <inputdir> <outputdir>

OPTIONS

       -R --reverse
              Uncompress a previously compressed directory.

       -v --verbose
              Display verbose messages.

       --version
              Report version and exit.

       -h --help
              Display help message and exit.

DESCRIPTION

       hwloc-compress-dir  takes  an input directory containing XML exports and tries to compress
       it by computing topology diffs between them (with the hwloc-diff program).  Each  file  is
       copied  in  the  output  directory  either  as a diff if it could be compressed, or as its
       original entire file otherwise.

       hwloc-compress-dir may recompress a directory that was previously  compressed.  All  input
       files that are already in the output directory, either compressed or not, are ignored. New
       input files are compressed as much as possible as usual.

       For each file of the directory, the output filename is the same as  the  original  if  not
       compressed, otherwise its extension is changed to .diff.xml.

       Compressed  files are based on another non-compressed topology.  Its name is stored in the
       refname topology diff attribute.

       The generated output diff files may be used with hwloc-patch just like any file  generated
       by hwloc-diff.

EXAMPLES

       To compress the input files from directory in into directory out:

           $ hwloc-compress-dir in out

RETURN VALUE

       Upon successful execution, hwloc-compress-dir returns 0.

       hwloc-compress-dir  will  return  nonzero  if  any  kind of error occurs, such as (but not
       limited to) failure to parse the command line.

SEE ALSO

       hwloc(7), lstopo(1), hwloc-diff(1), hwloc-patch(1)