Re: [RFC] Optimization for use-once pages

From: Ed Tomlinson (tomlins@cam.org)
Date: Wed Jul 25 2001 - 22:27:52 EST


Hi,

Here are some more figures.

2.4.7 + ide patch + ide dma timeout fix + lvm beta8 + reiserfs fs

Throughput 19.3959 MB/sec (NB=24.2449 MB/sec 193.959 MBit/sec)
dbench 20 24.88s user 70.89s system 69% cpu 2:17.23 total

Throughput 19.0447 MB/sec (NB=23.8059 MB/sec 190.447 MBit/sec)
dbench 20 24.37s user 69.24s system 67% cpu 2:19.63 total

tob -f - -full misc > misc-0725.tob 235.80s user 321.73s system 42% cpu 21:52.49 total

2.4.7 + ide patch + ide dma timeout fix + lvm beta8 + reiserfs fs

Throughput 19.3395 MB/sec (NB=24.1744 MB/sec 193.395 MBit/sec)
dbench 20 23.70s user 70.68s system 68% cpu 2:17.52 total

Throughput 19.1872 MB/sec (NB=23.9841 MB/sec 191.872 MBit/sec)
dbench 20 24.30s user 69.42s system 67% cpu 2:18.60 total

tob -f - -full misc > /back/misc-0725.tob 229.64s user 326.26s system 43% cpu 21:11.77 total

Basicily no big changes here - which is good news.

Ed Tomlinson
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:25 EST