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- From: ujlh@pool.info.sunyit.edu (James Henrickson)
- Newsgroups: comp.os.linux
- Subject: Re: Benchmarking under Linux (was Re: New 486 Suggestions?
- Message-ID: <1992Sep2.175417.11302@pool.info.sunyit.edu>
- Date: 2 Sep 92 17:54:17 GMT
- References: <pdhatchm.715057547@syzygy> <1992Aug31.180211.24228@news.acns.nwu.edu> <1992Aug31.210041.21832@novell.com>
- Organization: State University of New York -- Institute of Technology
- Lines: 45
-
- In article <1992Aug31.210041.21832@novell.com> bboerner@novell.com (Brendan B. Boerner) writes:
- >>In article <pdhatchm.715057547@syzygy> of comp.os.linux,
- >> In my experience with Linux a faster CPU is a BIG advantage.
- >>
- >> Someone preveously mentioned it taking a 486-33 12 minutes to do a
- >> "make clean ; make dep ; make".
- >>
- >> My 486-50 does this in just over 4 mins.
- >
- >This has me wondering: does anyone have any benchmarking or performance
- >metric programs for Linux? I've got a 386/16Mhz w/a tad under 5MB of
- >RAM and it takes me somewhere between 3-4hours to build the kernel. On
- >my girlfriend's machine, a 486/33 w/8MB RAM, it takes under 10
- >minutes. I'd like to get an idea of where I could improve
- >performance.
- >
- >Thanks,
- >Brendan
- >--
- >Brendan B. Boerner Phone: 512/346-8380
- >Internet: bboerner@novell.com MHS: bboerner@novell
- >Please use ^^^^^^^^^^^^^^^^^ if replying by mail.
-
- This is an obvious answer, but...
-
- Kernel compilation times depend on several things: disk speed, amount of
- RAM, and processor speed. For starters, you are probably swapping with
- 5 MB of RAM, and a slow disk will compound the problem. A slow processor
- doesn't help, either. I haven't tried a kernel rebuild on my 386SX-25 yet,
- but I shouldn't have many complaints. It has 8 MB of RAM and the disk has
- a 16 or 18 ms (don't remember) access time. I am also using a swap partition,
- which is faster than a swap file. Oh, and another thing: the drive is
- an IDE. I have read (but can't confirm) that the current SCSI drivers
- are slower.
-
- On my 386DX-33, I noticed a significant speed-up when I increased the RAM
- from 4 MB to 8 MB. I believe the buffers help, too, since reloading gcc
- is a lot snappier. :-)
-
-
- --
- Jim H.
- *
- * James L. Henrickson
- * ujlh@sunyit.edu "Some day I might have a real .signature!"
-