How to speed up in SSBM?

[ystiang]

How to speed up in SSBM?
I don't why,but SSBM always run at 20-30FPS,it so slow...
Even I run the SSBB using the same settings,it can run 40-50FPS.
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Dolphin SVN r5030
Enable Dual Core
Enable Idle Skipping
Framelimit:120
HLE the IPL
JitIL recompiler

D3D9 Plugin
Safe Texture Cache
Enable EFB copy to Texture

My Laptop
Windows 7 Ultimate 32-bit
SYS:Intel® Core™2 Duo CPU T5750 @ 2.00 GHz
RAM:3G
Display:Mobile Intel® 965 Express Chipset Family