Basically I suggest trying out the new implementation, looking at the two different implementations and giving feedback as to which one is more suitable for PHP 5.1. I'd like to make a decision sometime soon because it gets hard to maintain these big patches outside the CVS repository.
Thanks,
Andi
Date: Mon, 11 Oct 2004 17:45:47 -0700 To: [EMAIL PROTECTED] From: Andi Gutmans <[EMAIL PROTECTED]> Subject: Fwd: New VM Architecture
btw, in case it's not clear how to use it then do the following:
a) untar the files into php5/Zend
b) Apply zend_vm_gen.diff (this is a one time thingy which will be resolved if the patch is applied).
c) Run php zend_vm_gen.php --help
There'll be some files which can be deleted later on if we use this method.
Andi
Date: Mon, 11 Oct 2004 17:43:17 -0700 To: [EMAIL PROTECTED] From: Andi Gutmans <[EMAIL PROTECTED]> Subject: New VM Architecture
Due to popular demand, attached is an example of how the new VM architecture would be without the macro magic.
Basically, the zend_vm_gen.php script auto-generates the chosen VM architecture (goto/call/switch) and the user can also select if he wants to specialize opcodes and/or wants the generator to enable/disable preprocessor #line statements (for debugging it might be easier to not produce them so that you get to debug the actual code without macros).
It's not attached this time due to our annoying attachment filter :)
http://snaps.php.net/~andi/zend_vm_newgen.tar.gz
Please play around with it and send me feedback. We should pretty much decide what's preferred. The preprocessor stuff or this script. I think I favor the script even though the script itself has to be maintained, mainly because I think the preprocessor stuff was kind of hard to understand and mainly to debug. The auto-generated code will definitely be easier to debug as it won't have as many macros.
Andi
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