A possible bug in the compiler - Forrtl: severe (41): insufficient virtual memory
Note: There was a similar thread recently with a very hot discussion related to the error message 'Insufficient Virtual Memory'.
I reproduced the problem when trying to multiply two 64Kx64K matricies ( REAL(8) data type ) on a system that has 32GB of physical memory and Virtual Memory settings are as follows:
Min Size: 64GB
Max Size: 128GB
So, the system is VERY capable ( Intel Core i7-3840QM / Ivy Bridge / 4 cores ) and has lots of memory.
The Fortran test application failed when it allocated ~31GB of physical memory and it didn't try to allocate virtual memory ( greater than 32GB (!) ). My questions are: Is there some limitation? Why doesn't it allocate more memory especially when lots of virtual memory is available?
In one of my recent test with a C/C++ test application I was able to allocate 128GB of memory ( ~31GB of physical memory and ~97GB of virtual memory ) in order to complete some processing.
Here is output from the Fortran test application ( console based ):
forrtl: severe (41): insufficient virtual memory
Image PC Routine Line Source
FortTestApp.exe 00000001400740A7 Unknown Unknown Unknown
FortTestApp.exe 000000014006F4B3 Unknown Unknown Unknown
FortTestApp.exe 00000001400336D6 Unknown Unknown Unknown
FortTestApp.exe 0000000140020542 Unknown Unknown Unknown
FortTestApp.exe 000000014001744D Unknown Unknown Unknown
FortTestApp.exe 000000014000291A Unknown Unknown Unknown
FortTestApp.exe 0000000140074F4C Unknown Unknown Unknown
FortTestApp.exe 000000014005D4DF Unknown Unknown Unknown
kernel32.dll 0000000076C2652D Unknown Unknown Unknown
ntdll.dll 000000007700C521 Unknown Unknown Unknown
