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Time: when "writeFormat" is set to "binary" disallow compression

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Compressing and decompressing binary files introduces a significant IO overhead
without a providing significant reduction in file-size.
This commit is contained in:
Henry Weller
2017-02-03 14:51:04 +00:00
parent 7612b51828
commit 7a7fa4350d
1 changed files with 15 additions and 1 deletions
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16
src/OpenFOAM/db/Time/TimeIO.C
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@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -347,6 +347,20 @@ void Foam::Time::readDict()
( (
controlDict_.lookup("writeCompression") controlDict_.lookup("writeCompression")
); );
if
(
writeFormat_ == IOstream::BINARY
&& writeCompression_ == IOstream::COMPRESSED
)
{
IOWarningInFunction(controlDict_)
<< "Selecting compressed binary is inefficient and ineffective"
", resetting to uncompressed binary"
<< endl;
writeCompression_ = IOstream::UNCOMPRESSED;
}
} }
controlDict_.readIfPresent("graphFormat", graphFormat_); controlDict_.readIfPresent("graphFormat", graphFormat_);