[XeTeX] performance on Windows machines

William Adams will.adams at frycomm.com
Tue Sep 12 13:12:59 CEST 2006

On Sep 11, 2006, at 5:58 PM, Peter Dyballa wrote:

> A Celeron is a badly performing Pentium, one that is OK for running
> so-called office software and maybe an eMail client, too. I would not
> wonder if it even misses the MMX extension and a few registers. I
> would need to look up some information on the intel site for a better
> estimation than 1-1.5.

So no worse, and hopefully a bit better. I don't use my pen slate for  
much more than an electronic notepad / sketchbook / ebook reader (and  
MP3 player), so until XeTeX came along hadn't really felt much want  
for better performance.

> William, can you check whether a low power/low voltage, i.e.
> "portables" Pentium fits in the socket or on the main board? These
> low power Pentiums are the ancestors of the recent Duo Cores!
> Although I think that a 500 MHz version would be an U.S.A. design and
> not that well performing (while the Duo Core's parents and they
> themselves are Israelian design), but better than a Celeron at the
> same speed.
> Two big problems exist: voltage and pin-out. The smaller problems are
> buses (protocols, voltage levels) and their speeds.

I'm pretty sure the chip is soldered --- if it were socketed I think  
I'd've come across reports of people upgrading them.

On Sep 12, 2006, at 2:33 AM, Akira Kakuto wrote:
> I'm amazed at the speed of xetex. XeTeX for W32 binary is
> not optimized, while pdftex for W32 is optimized:
> xetex --proctimes texbook
> Time statistics: user mode=2328 ms, kernel mode=125 ms, total=2453 ms.
> pdftex --proctimes texbook
> Time statistics: user mode=2828 ms, kernel mode=187 ms, total=3015 ms.

I wonder if maybe my performance issues are caused by having filled  
the font cache with the entire Adobe Font Folio set.... when next I  
upgrade I'll check and see if only loading needed fonts improves things.



William Adams
senior graphic designer
Fry Communications

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