Hi Simon, On Dec 17, 2007 2:35 PM, Simon Chow <[EMAIL PROTECTED]> wrote:
> First, I am just a beginner for OPT. > I find a file named opt.emconf in default vm. Is it the default > configuration of compilation pipeline in OPT? > Yes, this configuration file is used when you pass -Xem:opt option to VM. 'opt' here is the name of the file. You can specify the full path to your custom configuration file with -Xem option or put it into 'bin/default' directory and use the filename only (file extension is optional). > > My question is that, Is Harmony VM able to change the pipeline or method > filters at runtime? > i.e. Could I specify a pipeline(named P) to a method (named M) > dynamically? > You can't change JIT configuration in runtime but you can use command line to override any of existing "-XX" option stored in emconf file at startup. The format is the same as in emconf - you can just copy it and use in command line. -- Mikhail Fursov
