Re: scheduling oddity on 2.6.20.3 stock

2007-06-02 Thread Bill Davidsen
David Schwartz wrote: bunzip2 -c $file.bz2 |gzip -9 >$file.gz So here are some actual results from a dual P3-1Ghz machine (2.6.21.1, CFSv9). First lets time each operation individually: $ time bunzip2 -k linux-2.6.21.tar.bz2 real1m5.626s user1m2.240s sys 0m3.144s $ time gzip -9

Re: scheduling oddity on 2.6.20.3 stock

2007-06-02 Thread Bill Davidsen
David Schwartz wrote: bunzip2 -c $file.bz2 |gzip -9 $file.gz So here are some actual results from a dual P3-1Ghz machine (2.6.21.1, CFSv9). First lets time each operation individually: $ time bunzip2 -k linux-2.6.21.tar.bz2 real1m5.626s user1m2.240s sys 0m3.144s $ time gzip -9

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread David Schwartz
> > >> bunzip2 -c $file.bz2 |gzip -9 >$file.gz So here are some actual results from a dual P3-1Ghz machine (2.6.21.1, CFSv9). First lets time each operation individually: $ time bunzip2 -k linux-2.6.21.tar.bz2 real1m5.626s user1m2.240s sys 0m3.144s $ time gzip -9 linux-2.6.21.tar

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread David Schwartz
> On Thu, 3 May 2007, David Schwartz wrote: > > >> I needed to recompress some files from .bz2 to .gz so I setup > a script to > >> do > >> > >> bunzip2 -c $file.bz2 |gzip -9 >$file.gz > >> > >> I expected that the two CPU heavy processes would end up on different > >> cpu's and spend a little

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread david
On Thu, 3 May 2007, David Schwartz wrote: I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 >$file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread david
On Thu, 3 May 2007, David Schwartz wrote: I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 $file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread David Schwartz
On Thu, 3 May 2007, David Schwartz wrote: I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 $file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between

RE: scheduling oddity on 2.6.20.3 stock

2007-05-16 Thread David Schwartz
bunzip2 -c $file.bz2 |gzip -9 $file.gz So here are some actual results from a dual P3-1Ghz machine (2.6.21.1, CFSv9). First lets time each operation individually: $ time bunzip2 -k linux-2.6.21.tar.bz2 real1m5.626s user1m2.240s sys 0m3.144s $ time gzip -9 linux-2.6.21.tar

RE: scheduling oddity on 2.6.20.3 stock

2007-05-03 Thread david
On Thu, 3 May 2007, David Schwartz wrote: I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 >$file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two

RE: scheduling oddity on 2.6.20.3 stock

2007-05-03 Thread David Schwartz
> I needed to recompress some files from .bz2 to .gz so I setup a script to > do > > bunzip2 -c $file.bz2 |gzip -9 >$file.gz > > I expected that the two CPU heavy processes would end up on different > cpu's and spend a little time shuffling data between the two cpu's on a > system (dual core

RE: scheduling oddity on 2.6.20.3 stock

2007-05-03 Thread David Schwartz
I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 $file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two cpu's on a system (dual core opteron)

RE: scheduling oddity on 2.6.20.3 stock

2007-05-03 Thread david
On Thu, 3 May 2007, David Schwartz wrote: I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 $file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two

scheduling oddity on 2.6.20.3 stock

2007-05-02 Thread david
I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 >$file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two cpu's on a system (dual core opteron)

scheduling oddity on 2.6.20.3 stock

2007-05-02 Thread david
I needed to recompress some files from .bz2 to .gz so I setup a script to do bunzip2 -c $file.bz2 |gzip -9 $file.gz I expected that the two CPU heavy processes would end up on different cpu's and spend a little time shuffling data between the two cpu's on a system (dual core opteron)