TEST: add standalone test application: Test-checkIOspeed

2025-11-28 03:28:01 +00:00 · 2024-01-22 11:57:35 +01:00
parent 47c44a5783
commit 84a1fc9b4f
5 changed files with 423 additions and 3 deletions
--- a/applications/test/fileHandler-writing/Test-fileHandler-writing.cxx
+++ b/applications/test/fileHandler-writing/Test-fileHandler-writing.cxx
@ -0,0 +1,179 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2023 OpenCFD Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Application
+    Test-fileHandler-writing
+
+Description
+    Simple test of file writing, including timings
+
+\*---------------------------------------------------------------------------*/
+
+#include "argList.H"
+#include "profiling.H"
+#include "clockTime.H"
+
+#include "fileName.H"
+#include "fileOperation.H"
+#include "IOstreams.H"
+#include "OSspecific.H"
+#include "ReadFields.H"
+#include "volFields.H"
+
+using namespace Foam;
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// Main program:
+
+int main(int argc, char *argv[])
+{
+    argList::addNote
+    (
+        "Loads mesh and fields from latest time and writes multiple times"
+    );
+
+    argList::noFunctionObjects();  // Disallow function objects
+    argList::addVerboseOption("additional verbosity");
+    argList::addOption
+    (
+        "output",
+        "N",
+        "Begin output iteration (default: 10000)"
+    );
+    argList::addOption
+    (
+        "count",
+        "N",
+        "Number of writes (default: 1)"
+    );
+
+    #include "setRootCase.H"
+    #include "createTime.H"
+
+    const label firstOutput = args.getOrDefault("output", 10000);
+    const label nOutput = args.getOrDefault("count", 1);
+
+    const int verbose = args.verbose();
+
+    // Select latestTime, including 0 and constant
+    {
+        const auto& times = runTime.times();
+        const label timeIndex = (times.size()-1);
+
+        if (timeIndex < 0)
+        {
+            FatalErrorInFunction
+                << "No times!"
+                << exit(FatalError);
+        }
+
+        runTime.setTime(times[timeIndex], timeIndex);
+    }
+
+    // #include "createMesh.H"
+
+    Info << "Create mesh time = " << runTime.timeName() << nl;
+
+    fvMesh mesh
+    (
+        IOobject
+        (
+            polyMesh::defaultRegion,
+            runTime.timeName(),
+            runTime,
+            Foam::IOobject::MUST_READ
+        ),
+        false
+    );
+    mesh.init(true);   // initialise all (lower levels and current)
+    Info<< endl;
+
+
+    // Read objects in time directory
+    IOobjectList objects(mesh, runTime.timeName());
+
+    // List of stored objects to clear after (as required)
+    DynamicList<regIOobject*> storedObjects;
+
+
+    // Read GeometricFields
+    Info<< nl << "Load fields" << nl;
+
+    #undef  ReadFields
+    #define ReadFields(FieldType)                                             \
+    readFields<FieldType>(mesh, objects, predicates::always{}, storedObjects);
+
+    // Read volFields
+    ReadFields(volScalarField);
+    ReadFields(volVectorField);
+    ReadFields(volSphericalTensorField);
+    ReadFields(volSymmTensorField);
+    ReadFields(volTensorField);
+
+    // Set fields to AUTO_WRITE
+    for (regIOobject* io : storedObjects)
+    {
+        io->writeOpt(IOobjectOption::AUTO_WRITE);
+    }
+
+    Info<< nl
+        << "Writing " << nOutput << " times starting at "
+        << firstOutput << nl;
+
+    clockTime timing;
+
+    if (verbose) Info<< "Time:";
+
+    for
+    (
+        label timeIndex = firstOutput, count = 0;
+        count < nOutput;
+        ++timeIndex, ++count
+    )
+    {
+        runTime.setTime(timeIndex, timeIndex);
+        if (verbose) Info<< ' ' << runTime.timeName() << flush;
+        runTime.writeNow();
+    }
+
+    if (verbose) Info<< nl;
+    Info<< nl << "Writing took "
+        << timing.timeIncrement() << "s" << endl;
+
+
+    Info<< nl
+        << "Cleanup newly generated files with" << nl << nl
+        << "    foamListTimes -rm -time "
+        << firstOutput << ":" << nl
+        << "    foamListTimes -processor -rm -time "
+        << firstOutput << ":" << nl;
+
+
+    Info<< "\nEnd\n" << endl;
+    return 0;
+}
+
+
+// ************************************************************************* //