Just a data dump for you, I'm sleepy ... will look at it in the
morning. 16-way NUMA-Q running your benchmark:
2.5.40-mm2
time.4:AverageUserTime 40.69 seconds
time.4:ElapsedTime 52.14
time.4:TotalUserTime 162.85
time.4:TotalSysTime 0.71
time.8:AverageUserTime 36.90 seconds
time.8:ElapsedTime 62.12
time.8:TotalUserTime 295.29
time.8:TotalSysTime 1.79
time.16:AverageUserTime 63.91 seconds
time.16:ElapsedTime 88.82
time.16:TotalUserTime 1022.71
time.16:TotalSysTime 4.85
time.32:AverageUserTime 102.11 seconds
time.32:ElapsedTime 224.24
time.32:TotalUserTime 3267.84
time.32:TotalSysTime 11.73
time.64:AverageUserTime 148.33 seconds
time.64:ElapsedTime 611.71
time.64:TotalUserTime 9494.10
time.64:TotalSysTime 25.81
2.5.40-mm2 + michael's stuff (latest on tux1)
time.4:AverageUserTime 31.55 seconds
time.4:ElapsedTime 41.58
time.4:TotalUserTime 126.23
time.4:TotalSysTime 1.11
time.8:AverageUserTime 51.80 seconds
time.8:ElapsedTime 80.38
time.8:TotalUserTime 414.50
time.8:TotalSysTime 2.67
time.16:AverageUserTime 50.75 seconds
time.16:ElapsedTime 72.28
time.16:TotalUserTime 812.08
time.16:TotalSysTime 4.60
time.32:AverageUserTime 55.78 seconds
time.32:ElapsedTime 126.45
time.32:TotalUserTime 1785.21
time.32:TotalSysTime 8.79
time.64:AverageUserTime 57.49 seconds
time.64:ElapsedTime 243.27
time.64:TotalUserTime 3679.94
time.64:TotalSysTime 15.09
Looks pretty sweet to me, apart from 8, which is just wierd.
Profile looks horrible (what the hell is fib_node_get_info?
net/ipv4/fib_semantics.c):
without:
241652 total 0.2455
120117 default_idle
19728 fib_node_get_info
17400 swapin_readahead
12805 kmalloc
11047 kfree
7918 sock_alloc_send_pskb
5956 alloc_skb
4690 __wake_up
4194 kmem_cache_free
with:
213131 total 0.2165
138082 default_idle
14620 fib_node_get_info
9631 swapin_readahead
5316 kmalloc
5279 kfree
5251 sock_alloc_send_pskb
4154 __wake_up
4116 schedule
3002 alloc_skb
-
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This archive was generated by hypermail 2b29 : Mon Oct 07 2002 - 22:00:57 EST