Thank you very much! So users should choose pipeline for methods before execution, isn't it? Then I wants to know how to build a pipeline with the most efficient compilation result of a specified method. Does it rely on the developer's experience?
On 17/12/2007, Mikhail Fursov <[EMAIL PROTECTED]> wrote: > > 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 > -- >From : [EMAIL PROTECTED] School of Fudan University
