From 7a7fa4350df2dbdcd6e81c67c40004189a57acf7 Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Fri, 3 Feb 2017 14:51:04 +0000
Subject: [PATCH] Time: when "writeFormat" is set to "binary" disallow
compression
Compressing and decompressing binary files introduces a significant IO overhead
without a providing significant reduction in file-size.
---
src/OpenFOAM/db/Time/TimeIO.C | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/src/OpenFOAM/db/Time/TimeIO.C b/src/OpenFOAM/db/Time/TimeIO.C
index 436661040fa..39e88a66d18 100644
--- a/src/OpenFOAM/db/Time/TimeIO.C
+++ b/src/OpenFOAM/db/Time/TimeIO.C
@@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
- \\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
+ \\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@@ -347,6 +347,20 @@ void Foam::Time::readDict()
(
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_);
--
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