I've tried to install RHEL 6 ppc64 beta edition on my PS3 as it's the first pure 64bit distribution for PowerPC,but failed of course.
I want to know why.Thanks!
Moderator: billb
ACEFOMIQUZ wrote:I've tried to install RHEL 6 ppc64 beta edition on my PS3 as it's the first pure 64bit distribution for PowerPC,but failed of course.
I want to know why.Thanks!
billb wrote:Supposing you did get it running, wouldn't it run slower than ppc32?
ppietro wrote:billb wrote:Supposing you did get it running, wouldn't it run slower than ppc32?
On a PS3, it should run slower due to the increased memory address width (32 bit pointers vs. 64 bit pointers), and possible PowerPC architecture compromises:
viewtopic.php?f=4&t=3098&p=11887#p11892
The memory hit would be worth it if you had a lot of system RAM, but since the PS3 is limited to 256 Megs, this negates the advantage.
The 64 bit architecture would have an advantage for 64 bit integer math calculations. Not for floating point - I think the 32 bit ppc calculates them with 64 bit precision anyway.
Cheers,
Paul
ACEFOMIQUZ wrote:Maybe we can change the result if we use a better compiler for PowerPC 970 processor.
viewtopic.php?f=4&t=3098&p=11887#p39708
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