<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt">Dear PW Users,<br>To speed up my DFT calculations and for larger requirement of RAM i am using a system with an Intel core i7 processor and CentOS-5.3 as my operating system (OS). I would like to know if these two go well hand in hand or there is some other OS that can make better use of Intel core i7 processor. The isntallation of Quantum Espresso 4.2.1 was done sucessfully and is running well. However I find its not as fast as i could have expected. Does this have to do something with the installation process. Is there something to do with optimising the 8 CPUs that is seen listed in my hardware list.<br>Thanks a Million<br>Nand Rana<br>Research scholar,<br>Ranchi University.<br>India<br><br><br></div><br>
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