[Pw_forum] Operating system error: Cannot allocate memory

[Uttam Paliwal]

hi when i run 2*2*2 supercell coantining 64 atom with Ecut=30 ryd
Ecutrho=240.0 then it run smoothly but when i take Ecut=40 ryd
Ecutrho=320.0then
get following message and program terminated.

Operating system error: Cannot allocate memory
Allocation would exceed memory limit

*************************************************************************************************
Error termination. Backtrace:

Program received signal SIGBUS: Access to an undefined portion of a memory
object.

Backtrace for this error:

Program received signal SIGSEGV: Segmentation fault - invalid memory
reference.

Backtrace for this error:
*************************************************************************************************
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.quantum-espresso.org/pipermail/users/attachments/20170804/4e953d4e/attachment.html>