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Re: [Qemu-devel] Windows CE QEMU Port (PocketPC 2003, ARM CPU)
From: |
Chad Page |
Subject: |
Re: [Qemu-devel] Windows CE QEMU Port (PocketPC 2003, ARM CPU) |
Date: |
Thu, 25 Nov 2004 09:20:52 -0800 (PST) |
On Thu, 25 Nov 2004, mamaich wrote:
> And I\'ve noticed one strange thing. Nbench Fourier test
> running
> natively on my device gives 12.655 iterations/sec, but
> under QEMU
> running linux it is about 5 times faster (71
> iterations/sec)! How
> this can be? All other tests behave as expected,
> emulated speed is
> 4-6 times slower than native. Maybe this is due to bugs
> in floating point emulation?
> Is there a test for floating point that can be run from
> DOS?
>
> My device is i-Mate PocketPC, 400Mhz, 128 Ram, Pocket
> PC 2003 OS.
ARM chips have no FPU, so the emulation would take longer because
it has to use integer instructions...
- Chad
>
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