Re: Serious problem with ticket spinlocks on ia64

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From: Hedi Berriche
Date: Friday, August 27, 2010 - 5:28 pm

On Sat, Aug 28, 2010 at 00:55 Tony Luck wrote:
| > this fails so catastrophically
| 
| Interesting ... getting rid of some of the fancy asm bits
| (replacing both the ld4.c.nc and the ld2.bias with simple
| "serve = *p" and "tmp = *p") makes this run a lot better.

*Hasty* look seems to suggest that keeping the fancy asm bits but compiling with
-O2 -frename-registers makes it work equally well.

Don't take my word for it though, double check it, it's been a long week and
brain is anything but alert at this time of the night.

Cheers,
Hedi.
-- 
Hedi Berriche
Global Product Support
http://www.sgi.com/support
--
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Messages in current thread:
Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 6:37 am)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Fri Aug 27, 6:48 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 7:09 am)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Fri Aug 27, 7:31 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 7:40 am)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Fri Aug 27, 7:52 am)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 9:08 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 9:37 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 10:16 am)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Fri Aug 27, 11:20 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 12:40 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 1:29 pm)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 1:41 pm)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 2:03 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 2:11 pm)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Aug 27, 3:13 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 4:26 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 4:55 pm)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Fri Aug 27, 5:28 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Fri Aug 27, 10:01 pm)
RE: Serious problem with ticket spinlocks on ia64, Luck, Tony, (Mon Aug 30, 11:17 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Mon Aug 30, 2:41 pm)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Mon Aug 30, 3:43 pm)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Tue Aug 31, 3:17 pm)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Wed Sep 1, 4:09 pm)
Re: Serious problem with ticket spinlocks on ia64, Hedi Berriche, (Wed Sep 1, 5:26 pm)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Thu Sep 2, 5:06 pm)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Sep 3, 2:04 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Sep 3, 7:35 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Fri Sep 3, 7:52 am)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Fri Sep 3, 8:50 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Mon Sep 6, 7:47 am)
Re: Serious problem with ticket spinlocks on ia64, Petr Tesarik, (Tue Sep 7, 6:17 am)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Tue Sep 7, 10:35 am)
Re: Serious problem with ticket spinlocks on ia64, Tony Luck, (Wed Sep 8, 8:55 am)
Re: Serious problem with ticket spinlocks on ia64, Dave Jones, (Thu Sep 9, 7:55 pm)