gforth
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [gforth] Performance anomality with dynamic superinstructions on MIP


From: Bernd Paysan
Subject: Re: [gforth] Performance anomality with dynamic superinstructions on MIPSel
Date: Mon, 24 Mar 2014 15:11:53 +0100
User-agent: KMail/4.11.5 (Linux/3.11.10-7-desktop; KDE/4.11.5; x86_64; ; )

Am Montag, 24. März 2014, 04:36:42 schrieb David Kuehling:
> Something strange is happening for sieve.fs.  According to see-code, it
> holds a lot of inlined copies of NOOP (but that could be a problem with
> see-code, the code looks legitimate, most NOOPs look like literals or R@
> or DUP)
> 
> gforth-fast --dynamic ~/forth/gforth/sieve.fs

Yes, this looks like a bug in the decompiler. Happens on amd64 as well.  I 
think this comes from the stack caching stuff; this mainly concerns literals.

-- 
Bernd Paysan
"If you want it done right, you have to do it yourself"
http://bernd-paysan.de/

Attachment: signature.asc
Description: This is a digitally signed message part.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]