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//# tTableCopy.cc: Test program for column copy performance
//# Copyright (C) 2016
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#include <casacore/tables/Tables.h>
#include <casacore/casa/OS/Timer.h>
#include <stdexcept>
#include <iostream>
using namespace casacore;
using namespace std;
void testPerf (Int nrowPerf)
{
cout << "testPerf with " << nrowPerf << " rows ..." << endl;
// First create a table.
TableDesc td;
td.addColumn (ArrayColumnDesc<Complex>("DATA", IPosition(2,4,256)));
td.addColumn (ScalarColumnDesc<Int>("SCALAR", 1));
SetupNewTable newtab("tTableCopyPerf_tmp.data", td, Table::New);
StandardStMan ssm;
TiledShapeStMan tsm("DATA_stm", IPosition(3,4,256,4));
newtab.bindAll (ssm);
newtab.bindColumn ("DATA", tsm);
Table tab(newtab, nrowPerf);
ArrayColumn<Complex> col(tab, "DATA");
Array<Complex> arr(IPosition(2,4,256));
indgen(arr);
Timer timer;
for (uInt row=0; row<tab.nrow(); ++row) {
col.put (row, arr);
}
timer.show ("put rows");
TableCopy::cloneColumn (tab, "DATA", tab, "DATA2");
timer.mark();
TableCopy::copyColumnData (tab, "DATA", tab, "DATA2");
timer.show ("copycol ");
TableCopy::cloneColumnTyped<DComplex> (tab, "DATA", tab, "DATA3");
timer.mark();
TableCopy::copyColumnData (tab, "DATA", tab, "DATA3");
timer.show ("copycold");
TableCopy::cloneColumnTyped<DComplex> (tab, "DATA", tab, "DATA4");
timer.mark();
tableCommand ("update $1 set DATA4=DATA", tab);
timer.show ("copytaql");
}
int main (int argc, const char* argv[])
{
Int nrowPerf = 10;
if (argc > 1) {
nrowPerf = atoi(argv[1]);
}
try {
testPerf (nrowPerf);
} catch (const exception& x) {
cout << x.what() << endl;
return 1;
}
return 0;
}
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