[Pw_forum] AMD64 and IFC

Jonathan Breeze breezejd at lsbu.ac.uk
Fri Jan 30 19:22:05 CET 2004

Dear Paolo,

You are right. PGI is the only 64-bit compiler for AMD.  I had better 
get my order in quick !!!

Paolo Giannozzi wrote:

>On Thursday 29 January 2004 17:13, Jonathan Breeze wrote:
>>I am soon to be the lucky recipient of an AMD64 computer [....]
>>When I come to compiling PWSCF, I'll need to know :
>>1) Can one compile 64-bit code for AMD using the Intel Fortran
>> Compiler? If not, is there a compiler that can ?
>I have heard that you can compile 32-bit executables with Intel
>compilers, but it is not very fast, and that the only compiler that
>compiles 64-bit code on AMD is PGI. The CVS version has been 
>reported to work (a few days ago) with PGI and 64-bit executables:
>you need to define -D__LINUX64

Jonathan Breeze
Research Fellow
Centre for Physical Electronics and Materials
London South Bank University
103 Borough Road

Tel: +44(0)20 7815 7582
Fax: +44(0)20 7815 7599

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