Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-15 Thread Kalle Vahlman
2007/1/15, [EMAIL PROTECTED] [EMAIL PROTECTED]: Am 13 Jan 2007 um 21:00 hat Kalle Vahlman geschrieben: For the cairo audience there's the question of the tessellation process, can it really be so fast on the PXA-320 or is there a bug somewhere that twists the results? What could be so good in

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-15 Thread klaus
Am 15 Jan 2007 um 10:27 hat Kalle Vahlman geschrieben: As mentioned in the blog entry, it's TI OMAP 2420. Also see: At least it seems that the TI OMAP is able to drive a 32 bit data path to the DDR-RAM. But, it says it has just 5 MBit internal framebuffer RAM. This are 5242880 bits, which is

RE: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-15 Thread Jakub.Pavelek
On Sunday 14 January 2007 20:11, Frantisek Dufka wrote: Marius Gedminas wrote: On Sun, Jan 14, 2007 at 07:53:06PM +0200, Marius Gedminas wrote: On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something

Re: [cairo] Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-15 Thread Daniel Amelang
On 1/15/07, Kalle Vahlman [EMAIL PROTECTED] wrote: 2007/1/16, Daniel Amelang [EMAIL PROTECTED]: On 1/13/07, Kalle Vahlman [EMAIL PROTECTED] wrote: 2007/1/14, Koen Kooi [EMAIL PROTECTED]: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Siarhei Siamashka schreef: On Saturday 13

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Marius Gedminas
On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something closer to 250MHz as shown by this test code program (and confirmed to be actually 252MHz by somebody from Nokia on #maemo about half a year ago). So

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Marius Gedminas
On Sun, Jan 14, 2007 at 07:53:06PM +0200, Marius Gedminas wrote: On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something closer to 250MHz as shown by this test code program (and confirmed to be actually

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Frantisek Dufka
Marius Gedminas wrote: On Sun, Jan 14, 2007 at 07:53:06PM +0200, Marius Gedminas wrote: On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something closer to 250MHz as shown by this test code program (and

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Marius Gedminas schreef: On Sun, Jan 14, 2007 at 07:53:06PM +0200, Marius Gedminas wrote: On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something closer to

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Siarhei Siamashka
On Sunday 14 January 2007 20:11, Frantisek Dufka wrote: Marius Gedminas wrote: On Sun, Jan 14, 2007 at 07:53:06PM +0200, Marius Gedminas wrote: On Sun, Jan 14, 2007 at 12:11:37AM +0200, Siarhei Siamashka wrote: Also Nokia 770 runs not at 220MHz as stated on your page, but at something

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-14 Thread Larry Battraw
On 1/14/07, Siarhei Siamashka [EMAIL PROTECTED] wrote: On Sunday 14 January 2007 20:11, Frantisek Dufka wrote: Marius Gedminas wrote: (snip) Check /proc/omap_clock on device, it says 252Mhz for both ARM and DSP core. Hmm, interesting. Can anybody check /proc/omap_clock on N800 device? I'm

[maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-13 Thread Kalle Vahlman
Hi! We have all sorts of funny hardware at the office, so I thought I'd make a quick run of cairo-perf with the Cairo 1.3.10 snapshot and see how they relate to each other. There's some funny things I encountered in the results, and I hope people on both lists can offer insights on why.

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-13 Thread Siarhei Siamashka
On Saturday 13 January 2007 21:00, Kalle Vahlman wrote: We have all sorts of funny hardware at the office, so I thought I'd make a quick run of cairo-perf with the Cairo 1.3.10 snapshot and see how they relate to each other. There's some funny things I encountered in the results, and I hope

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-13 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Siarhei Siamashka schreef: On Saturday 13 January 2007 21:00, Kalle Vahlman wrote: As for optimizing code for ARM (targeting Nokia 770), there are a few things that are slow (maybe this list is still incomplete): 1. Floating point math is slow

Re: [maemo-developers] Cairo performance comparison, 770 / N800 / PXA-320

2007-01-13 Thread Kalle Vahlman
2007/1/14, Koen Kooi [EMAIL PROTECTED]: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Siarhei Siamashka schreef: On Saturday 13 January 2007 21:00, Kalle Vahlman wrote: As for optimizing code for ARM (targeting Nokia 770), there are a few things that are slow (maybe this list is still