Messages in this thread |  | | Date | Fri, 14 Jun 1996 14:31:40 -0400 (EDT) | From | DUPRE Christophe <> | Subject | Re: 2.2.0 wishlist |
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On Thu, 13 Jun 1996, Benson L Chow wrote:
> Also I'm not sure if there has been stuff written or modified, but there > seems something can still be done with the scheduler/swapper. Again in > the afformentioned kernels, a cycle/IO hungry process can really impact > system performance. I was quite horrified comparing my Sparc clone > (SunOS 403) which had 8MB (12ms SCSI2 in SCSI1 mode HD) versus a 8MB > 486/33 (10ms ISA IDE HD) ... Granted the 486 would be slower, but the > Sparc has a BIG problem with RAM since the kernel eats up 3 MB (whereas > Linux kernels take up around 1MB) However, SunOS works with swap much > more smoothly than the 486 box under heavy load (you can actually do > stuff on the sparc when the 486 is crawling).
Trying to compare apple and oranges, aren't you ? The 486 IDE does programmed I/O while the Sparc SCSI does busmastering DMA... The 486 was horribly disadvantaged.
Christophe Dupre Universite de Montreal Internet: duprec@jsp.umontreal.ca Qc, Canada Montreal, Qc, Canada "Nous ne sommes pas libres de ne pas etre libres, nous sommes obliges de l'etre" - Fernando Savater
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