Re: bogomips/speed ratio and Power PC chip

2004-06-07 Thread Sebastian Henschel
hello people.. * Nirmal Govind <[EMAIL PROTECTED]> [2004-06-07 10:31 +0200]: > > Benjamin Herrenschmidt wrote: > >On those recent G4 models, the bogomips should be approx. equal to > >the frequency. The reason, it's not on your case is that the CPU is > >really running at half speed. The firmware

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread Luis Sanjuan
On Sat, Jun 05, 2004 at 01:46:45PM -0700, Nirmal Govind wrote: > > > Luis Sanjuan wrote: > >FYI below is my cpuinfo (kernel version: 2.6.6) > > > >At the same clock freq my bogomips is clearly higher. > >Do you have a 2.6 kernel ? > > > >processor : 0 > >cpu : 7457, altivec supp

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread Nirmal Govind
Benjamin Herrenschmidt wrote: On those recent G4 models, the bogomips should be approx. equal to the frequency. The reason, it's not on your case is that the CPU is really running at half speed. The firmware is doing that and the code for controlling the CPU speed properly for those new models

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread Nirmal Govind
Luis Sanjuan wrote: FYI below is my cpuinfo (kernel version: 2.6.6) At the same clock freq my bogomips is clearly higher. Do you have a 2.6 kernel ? processor : 0 cpu : 7457, altivec supported clock : 1333MHz revision: 1.1 (pvr 8002 0101) bogomips:

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread Benjamin Herrenschmidt
On Sat, 2004-06-05 at 03:33, Nirmal Govind wrote: > Hi.. I was reading up on the concurrent thread on the clock speed > and bogomips that are being reported on the new machines running > debian-powerpc. My info is as follows: On those recent G4 models, the bogomips should be approx. equal to the

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread Luis Sanjuan
FYI below is my cpuinfo (kernel version: 2.6.6) At the same clock freq my bogomips is clearly higher. Do you have a 2.6 kernel ? processor : 0 cpu : 7457, altivec supported clock : 1333MHz revision: 1.1 (pvr 8002 0101) bogomips: 1328.52 machine

Re: bogomips/speed ratio and Power PC chip

2004-06-05 Thread david
There would appear to be something quite astray here... If you look at the bogomip howto http://www.tldp.org/HOWTO/BogoMips-3.html#ss3.13 you will notice that the bogomip relationship with processors is in step, ie faster processors = more bogomips ;) The howto lists a g4/999 @ 1992 bogomips Ye

bogomips/speed ratio and Power PC chip

2004-06-05 Thread Nirmal Govind
Hi.. I was reading up on the concurrent thread on the clock speed and bogomips that are being reported on the new machines running debian-powerpc. My info is as follows: processor : 0 cpu : 7447A, altivec supported clock : 1333MHz revision: 1.1 (pvr 8003 010