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massive speed boost on latest armjit for sgs3
01-16-2013, 12:19 AM (This post was last modified: 01-16-2013 12:22 AM by JumperTwo.)
Post: #42
RE: massive speed boost on latest armjit for sgs3
(01-15-2013 11:16 PM)Henrik Wrote:  It doesn't work on all phones yet. I don't know why but I will try to fix it.

Jit is clearly not working only for Qualcomm socs now.after some reading around seems like every Snapdragon generation crash on starting things up :
"This is so neat wish it worked with the adreno 225"
no go for Snapdragon S4.

"My phone is: lg l3 e400f with original rom 2.3.6, jit version: the more open ppsspp closes when trying to launch a game!"
crash on Snapdragon S1

i tried myself on my xperia s (Snapdragon S3) without luck.
S3 use the old Scorpion core, the same inside Snapdragon S2, so no xperia play magic for now.

assuming that we are trying to run ppsspp on processors based on the same architecture,sharing same instruction set, the only "difference" that i can think about (excluding normal/marketing customization) is that qualcomm use their own NEON unit, called VeNum (not much information is provided about it,but a good relief is that they design their hardware in a way that it's compatible with the base refrence design so most code for a cortex-A8 will work fine on Scorpion/Krait) maybe it's been deprecated of something (minor) but we are still detecting and treating it like regular ARM NEON (ok, very unlikely.just wanted to share my conspiracy theory)
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RE: massive speed boost on latest armjit for sgs3 - JumperTwo - 01-16-2013 12:19 AM

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