Re: Mysql on Ultrasparc T2 and floating point performance

2009-04-23 Thread Andy Smith
Hi Dan, Yes, actually, I already know that parallel performance will be much improved, however, I was expecting more improvement on single threads as well, since the specs say that it takes 40 clock cycles just to access the FPU on the T1, but something like 6 clock cycles on the T2. So just fr

Re: Mysql on Ultrasparc T2 and floating point performance

2009-04-22 Thread mos
At 03:49 PM 4/22/2009, you wrote: On Wed, Apr 22, 2009 at 1:27 PM, Dan Nelson wrote: > In the last episode (Apr 22), Rod Heyd said: > > I've been running mysql on a T1000 (Ultrasparc T1) system for several > > years now, and while I've been happy with the performance overall, the > > poor float

Re: Mysql on Ultrasparc T2 and floating point performance

2009-04-22 Thread Rod Heyd
On Wed, Apr 22, 2009 at 1:27 PM, Dan Nelson wrote: > In the last episode (Apr 22), Rod Heyd said: > > I've been running mysql on a T1000 (Ultrasparc T1) system for several > > years now, and while I've been happy with the performance overall, the > > poor floating point capability on these system

Re: Mysql on Ultrasparc T2 and floating point performance

2009-04-22 Thread Dan Nelson
In the last episode (Apr 22), Rod Heyd said: > I've been running mysql on a T1000 (Ultrasparc T1) system for several > years now, and while I've been happy with the performance overall, the > poor floating point capability on these systems has been a disappointment. > Recently, I got my hands on a

Mysql on Ultrasparc T2 and floating point performance

2009-04-22 Thread Rod Heyd
Hi, I've been running mysql on a T1000 (Ultrasparc T1) system for several years now, and while I've been happy with the performance overall, the poor floating point capability on these systems has been a disappointment. Recently, I got my hands on a Sunfire T5420 system and I've been comparing the