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:

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

2007-01-15 Thread Kalle Vahlman
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 January 2007 21:00, Kalle Vahlman wrote: >

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

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 Kalle Valo
"Frantisek Dufka" <[EMAIL PROTECTED]> writes: >>> So http://maemo.org/faq/faq.html#faq-N10129 is lying? >> >> The OMAP1710 page from Texas Instruments also claims 220 MHz is the >> maximum frequency: > > > Check /proc/omap_clock on device, it says 252Mhz for both ARM and DSP core. I have understo

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 goo

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

2007-01-14 Thread klaus
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 PXA-320 > (or not-good on the other devices) th

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

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 > >>>

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

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 confirm

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 act

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).

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 i

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 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 h