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Re: Re: OP_PADSV_NOLV

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From:
chromatic
Date:
February 27, 2013 21:00
Subject:
Re: Re: OP_PADSV_NOLV
Message ID:
2308976.d95V87zdxS@innerwheel
On Wednesday, February 27, 2013 08:50:59 PM Nicholas Clark wrote:

> Yes, I thought this. I certainly tried it for one of the ops a long time
> ago. I hit exactly the problem you did - I couldn't measure the difference.

The only worthwhile approach I've ever found is to count the instructions 
executed by callgrind. Even that varies--especially as it's instructions for a 
fake processor--but dramatic improvements make themselves visible.

-- c

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