RS: [Beowulf] Sempron compile optimization

Chris Samuel csamuel at vpac.org
Wed Nov 23 18:17:41 EST 2005


On Thursday 24 November 2005 10:13, Steffen Persvold wrote:

> However, I do think it is rather annoying that gcc on ppc64 produces 32bit
> binaries by default.

Indeed.

> I  believe the IBM compiler produce 64bit.

Unfortunately not.

$ xlc hello.c -o t2
1506-503 (W) Option "-qlongdouble / -qldbl128" is not supported for LINUX for Power.
$ file t2
t2: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 (SYSV), for GNU/Linux 2.2.5, dynamically linked (uses shared libs), not stripped

Hey ho, at least it's consistently disappointing.. :-)

-- 
 Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia

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