topic negative memory allocation in Intel® MPI Library https://community.intel.com/t5/Intel-MPI-Library/negative-memory-allocation/m-p/861689#M1620 <P>I am trying to run a circulation model, ADCIRC, in an intel cluster. The program was compiled fine and when it comes to pre-process the input files (grid file and control file) following message resulted</P> <P><SPAN>from alloc_main1: <BR /><BR />memory currently allocated = -1070453336 bytes<BR />memory high water mark = 17103640 bytes</SPAN></P> <P><SPAN></SPAN></P> <P><SPAN>The code is written in FORTRAN 90 and I couldn't understand how this -ve memory allocation run-time error can be addressed. </SPAN></P> <P><SPAN>Any solution?</SPAN></P> <P><SPAN></SPAN></P> <P><BR /></P> <P><SPAN></SPAN></P> <P><SPAN></SPAN></P> <P><BR /><BR /></P> <P></P> Mon, 07 Jul 2008 22:32:01 GMT fjose 2008-07-07T22:32:01Z negative memory allocation https://community.intel.com/t5/Intel-MPI-Library/negative-memory-allocation/m-p/861689#M1620 <P>I am trying to run a circulation model, ADCIRC, in an intel cluster. The program was compiled fine and when it comes to pre-process the input files (grid file and control file) following message resulted</P> <P><SPAN>from alloc_main1: <BR /><BR />memory currently allocated = -1070453336 bytes<BR />memory high water mark = 17103640 bytes</SPAN></P> <P><SPAN></SPAN></P> <P><SPAN>The code is written in FORTRAN 90 and I couldn't understand how this -ve memory allocation run-time error can be addressed. </SPAN></P> <P><SPAN>Any solution?</SPAN></P> <P><SPAN></SPAN></P> <P><BR /></P> <P><SPAN></SPAN></P> <P><SPAN></SPAN></P> <P><BR /><BR /></P> <P></P> Mon, 07 Jul 2008 22:32:01 GMT https://community.intel.com/t5/Intel-MPI-Library/negative-memory-allocation/m-p/861689#M1620 fjose 2008-07-07T22:32:01Z Re: negative memory allocation https://community.intel.com/t5/Intel-MPI-Library/negative-memory-allocation/m-p/861690#M1621 As Fortran doesn't support unsigned numbers, if a number representing more than 2GB is displayed as a 32-bit formatted integer, it could well go into apparent negative territory. One would be suspicious whether the application has been tested in that mode. Mon, 07 Jul 2008 23:28:13 GMT https://community.intel.com/t5/Intel-MPI-Library/negative-memory-allocation/m-p/861690#M1621 TimP 2008-07-07T23:28:13Z