* slab/slub
@ 2008-10-21 8:45 Robert Olsson
0 siblings, 0 replies; only message in thread
From: Robert Olsson @ 2008-10-21 8:45 UTC (permalink / raw)
To: Stephen Hemminger; +Cc: Jeff Garzik, netdev
Stephen,
We discussed slab vs slub sometime ago. In a very simple forwarding test
using one CPU-core:
SLAB ~1.0 Mpps
SLUB ~1.0 Mpps
Cheers.
--ro
ixgbe multiQ driver 64 byte pkts
Linux version 2.6.27-rc2bifrost-11946-g6ced0b3-dirty (root@gatling) (gcc version 4.2.2) #10 SMP Wed Aug 13 22:16:13 CEST 2008
SLAB
eth0 input 2.30 Mpps
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg
eth0 1500 0 4457671 0 5542329 0 6 0 0 0 BMRU
eth1 1500 0 1 0 0 0 4456529 0 0 0 BMRU
softnet_stat
00000008 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
004404c8 00880094 0000417c 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
------------------------------------------------------------------------------
SLUB
eth0 input 2.34 Mpps
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg
eth0 1500 0 4274583 0 5725417 0 6 0 0 0 BMRU
eth1 1500 0 1 0 0 0 4273633 0 0 0 BMRU
softnet_stat
00000008 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00413998 00826bb4 00003b7c 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
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2008-10-21 8:45 slab/slub Robert Olsson
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