Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-19 Thread Ingo Oeser
Hi, On Friday 19 August 2005 00:18, George Anzinger wrote: > Not to say that is wrong but just to make it clear that saying the > itanium speed is is like saying that a cummings diesel is fast with > out saying what sort of car/truck it is mounted in. Yes, esp. since we all known that the fast

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-18 Thread George Anzinger
David S. Miller wrote: From: Anton Blanchard <[EMAIL PROTECTED]> Date: Fri, 19 Aug 2005 04:29:55 +1000 Calling itanium the "fastest 64bit processor at any given clock frequency" on lkml is likewise inflammatory :) I totally agree. Since the itanium off loads a lot of its instruction steam

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-18 Thread David S. Miller
From: Anton Blanchard <[EMAIL PROTECTED]> Date: Fri, 19 Aug 2005 04:29:55 +1000 > Calling itanium the "fastest 64bit processor at any given clock frequency" > on lkml is likewise inflammatory :) I totally agree. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-18 Thread Anton Blanchard
> Itanium processors are the fastest 64bit processors at any given clock > frequency. The earlier generations of processors do not even have the > instruction set that would enable the processor to do more parallel > processing. =-) > > Please do not make such inflammatory statements on the

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-18 Thread Alan Cox
On Mer, 2005-08-17 at 12:52 -0700, Christoph Lameter wrote: > > compared to small, this may be the reason why amd64 is the fasttest > > 64-bit process ? > Itanium processors are the fastest 64bit processors at any given clock > frequency. Perhaps, and the two statements don't contradict. All he

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-17 Thread Christoph Lameter
On Wed, 17 Aug 2005, vamsi krishna wrote: > Seems like most of core size(VmSize) on ipf (126MB) is coming from the > code size(VmExe) i.e 97MB. While the code size is just 62MB on amd64. > > Looks like IA-64 wastes a lot of VM due to big instruction sizes, so > big instruction sizes will improve

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-16 Thread vamsi krishna
Hello All, Really thankful for your inputs! > Itanium instruction set is not as compact as some other architectures, > so the same program will typically require more bytes of code. I stopped the program on both amd64 machine and ia64 machine and grepped the values from /proc/<>/status and found

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-16 Thread linux-os \(Dick Johnson\)
On Tue, 16 Aug 2005, vamsi krishna wrote: > Hello All, > > Sorry to interrupt you. > > I have been investigating a problem in which there has been a dramatic > core size (complete program size) of a program running on a IA-64 > machine running kernel version 2.4.21-4.0.1 (A redhat advanced server

RE: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-16 Thread Luck, Tony
>I have been investigating a problem in which there has been a dramatic > core size (complete program size) of a program running on a IA-64 >machine running kernel version 2.4.21-4.0.1 (A redhat advanced server >distribution) compared to other 64-bit architectures like amd64 and >EM64T. There has

Re: Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-16 Thread Andreas Schwab
vamsi krishna <[EMAIL PROTECTED]> writes: > example /lib/libc-2.2.4.so size 6094859got mapped 3 times with > permissions 'r-xp' , '---p' and 'rw-p' from the bottom. Note the file offset. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 904

Multiple virtual address mapping for the same code on IA-64 linux kernel.

2005-08-16 Thread vamsi krishna
Hello All, Sorry to interrupt you. I have been investigating a problem in which there has been a dramatic core size (complete program size) of a program running on a IA-64 machine running kernel version 2.4.21-4.0.1 (A redhat advanced server distribution) compared to other 64-bit architectures l