Messages in this thread | | | Date | Sun, 10 Jan 1999 12:43:45 -0600 | From | Steve Bergman <> | Subject | Re: Results: pre6 vs pre6+zlatko's_patch vs pre5 vs arcavm13 |
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Linus Torvalds wrote:
> Can you run pre6+zlatko with just the mm/page_alloc.c one-liner reverted > to pre5? That is, take pre6+zlatko, and just change > > try_to_free_pages(gfp_mask, freepages.high - nr_free_pages); > > back to > > try_to_free_pages(gfp_mask, SWAP_CLUSTER_MAX); >
OK, here are the updated results:
'Image test' in 128MB:
pre6+zlatko's_patch 2:35 and with requested change 3:09 pre6 2:27 pre5 1:58 arcavm13 9:13
I also ran the kernel compile test:
In 12MB: Elapsed Maj. Min. Swaps ----- ------ ------ ----- pre6+zlatko_patch 22:14 383206 204482 57823 and with requested change 22:23 378662 198194 51445 pre6 20:54 352934 191210 48678 pre5 19:35 334680 183732 93427 arcavm13 19:45 344452 180243 38977
The change seems to have hurt it in both cases. What I am seeing on pre6 and it's derivitives is a *lot* of *swapin* activity. Pre5 almost exclusively swaps *out* during the image test, averaging about 1.25MB/sec (spends a lot of time at around 2000k/sec) with very little swapping in. All the pre6 derivitives swap *in* quite heavily during the test. The 'so' number sometimes drops to 0 for seconds at a time. It also looks like pre6 swaps out slightly more overall (~165MB vs 160MB).
-Steve
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