On Mon, Feb 07, 2011 at 02:03:50PM -0200, Marcelo Tosatti wrote: > On Mon, Feb 07, 2011 at 08:12:55AM -0200, Marcelo Tosatti wrote: > > > > One more thing I didn't mention on the email-thread or on IRC is > > > > that last time I checked, qemu with io-thread was performing > > > > significantly slower than non io-thread builds. That was with > > > > TCG emulation (not kvm). Somewhere between 5 - 10% slower, IIRC. > > > > Can you recall what was the test ? > >
It's also something I've seen using network transfer in guest. IIRC the biggest slowdown was using the smc91c111 card under qemu-system-arm where it was about 20% slower. Other cards on other architectures (I remember testing powerpc, mips and sh4) are more in the 5 to 10 % area. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
