This site is no longer active and is available for archival purposes only. Registration and login is disabled.

Fixedpoint PocketQuake for 64-bit processors


Fixedpoint PocketQuake for 64-bit processors

Postby khumen » Aug 17, 2006 @ 11:27pm

I sucessfully closed & debugged Dan East's FPM convertion in 32.32 fixed point math.

I don't post video driver,sound, network drivers, because they are different to PPC version.

I rewrite fpm_Div,fpm_Mul from alpha assembler to C, but it's slowly. If you interest use my work you need to convert it's to PPC ASM. Also as I don't place old floating point constant in one file, you need to do it to reduce number of floating point conversions.

P.S. Thank you Dan :D

WBR,
Dmitry Gazko
Attachments
fixed64.zip
Fixed point math conversion 32.32 bit
(444.69 KiB) Downloaded 1041 times
khumen
pm Member
 
Posts: 8
Joined: Jul 2, 2006 @ 1:55am
Location: Russia


More about fixedpoint conversion

Postby khumen » Aug 17, 2006 @ 11:45pm

Sorry, I forgot to write that I modified some macro definitions e.q. WARP_WIDTH, WARP_HEIGHT e.t.c :D

WBR,
Dmitry Gazko
khumen
pm Member
 
Posts: 8
Joined: Jul 2, 2006 @ 1:55am
Location: Russia


Fixed point 16.16 conversion

Postby khumen » Aug 29, 2006 @ 6:02am

I'm currently work on this conversion of PocketQuake,
when done I post source URL to my download site...

Game speed boost approximately in 2 times at ARM and GCCE compiler with original Dan East conversion.

WBR,
Dmitry Gazko
khumen
pm Member
 
Posts: 8
Joined: Jul 2, 2006 @ 1:55am
Location: Russia


Postby sponge » Aug 29, 2006 @ 9:19am

Hm? If I understand you right, you've gotten a 2x speed increase on PQ for PPC?
holy internets batman.
User avatar
sponge
Not sponge
 
Posts: 12779
Joined: Jan 13, 2002 @ 8:04am
Location: New Hampshire


Fixed point 16.16 conversion

Postby khumen » Aug 29, 2006 @ 3:59pm

Current version of subj seems like 1.5-2.5x speed increase, but not on PPC...
On Nokia Series 60 smartphones ;)

I don't use Dan's fixed point optimizations, only his partial fixed point translation in sources of PQ (USEFPM macro).

WBR,
Dmitry Gazko
khumen
pm Member
 
Posts: 8
Joined: Jul 2, 2006 @ 1:55am
Location: Russia


Postby sponge » Aug 29, 2006 @ 7:49pm

holy internets batman.
User avatar
sponge
Not sponge
 
Posts: 12779
Joined: Jan 13, 2002 @ 8:04am
Location: New Hampshire


Fixed point 16.16 conversion

Postby khumen » Aug 29, 2006 @ 10:51pm

khumen
pm Member
 
Posts: 8
Joined: Jul 2, 2006 @ 1:55am
Location: Russia


Return to Pocket Quake 1 and 2


Sort


Forum Description

Discuss Pocket Quake 1 and 2 by Dan East

Moderators:

Dan East, sponge, James S

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

cron