Messages in this thread | | | Date | Thu, 20 Mar 2003 09:23:34 -0800 | From | "Randy.Dunlap" <> | Subject | Re: Deprecating .gz format on kernel.org |
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On Thu, 20 Mar 2003 17:32:07 +0100 Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
| However, please keep in mind that it's a *PITA* if you're working on a | machine with not > 500MHz and > 128MB RAM: | | jbglaw@schnarchnase:/tmp$ ls -l linux-2.5.65.tar.* | -rw-r--r-- 1 jbglaw jbglaw 31889910 Mar 20 11:37 | linux-2.5.65.tar.bz2 | -rw-r--r-- 1 jbglaw jbglaw 39711645 Mar 20 11:44 | linux-2.5.65.tar.gz | jbglaw@schnarchnase:/tmp$ time tar xjf linux-2.5.65.tar.bz2 | | real 194m21.665s | user 172m55.026s | sys 14m19.018s | jbglaw@schnarchnase:/tmp$ mv linux-2.5.65 linux-2.5.65xx | jbglaw@schnarchnase:/tmp$ time tar xzf linux-2.5.65.tar.gz | | real 39m39.294s | user 22m32.306s | sys 13m56.524s | jbglaw@schnarchnase:/tmp$ free | total used free shared buffers cached | Mem: 10100 9792 308 0 952 5232 ... | jbglaw@schnarchnase:/tmp$ cat /proc/cpuinfo ... | bogomips : 15.10 | | jbglaw@schnarchnase:/tmp$ uname -a | Linux schnarchnase 2.5.65 #1 Thu Mar 20 07:39:11 CET 2003 i486 unknown unknown GNU/Linux
What kind of processor/system is that?
I also see quite a difference in untarring gz vs. bz2.
On a Pentium classic with genuine f00f bug, 180 Mhz, 80 MB of RAM, running Linux 2.5.64, I get:
[rddunlap@eeyore linsrc]$ time tar xzf linux-2.5.65.tar.gz 41.98user 38.15system 1:45.94elapsed 75%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (314major+97minor)pagefaults 0swaps [rddunlap@eeyore linsrc]$ mv linux-2.5.65 linux-2565
[rddunlap@eeyore linsrc]$ time tar xjf linux-2.5.65.tar.bz2 243.99user 39.62system 5:29.39elapsed 86%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (324major+971minor)pagefaults 0swaps
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