Re: Semantic font-lock for Java

[David Engster]

>> From: Anand Tamariya <address@hidden>
>> Date: Fri, 24 Jan 2020 21:45:55 +0530
>> Cc: address@hidden
>
>> 
>>  > * Off GCs: 0 Elapsed time: 0.840946 seconds
>>  > * Custom GCs: 0 Elapsed time: 1.172106 seconds
>>  > * Builin GCs: 1 Elapsed time: 0.991606 seconds
>> 
>>  I'm not sure I understand these results.  What does each line
>>  represent?  Did you run the same benchmark with the default font-lock
>>  and with your modifications, and if so, which of these lines shows
>>  results for what variant of font-lock?
>> 
>> Off - Refers to when font-lock is disabled
>> Custom - Refers to when my "extract" function is doing the fontification
>> Builtin - Refers to jit-lock mode as that's the default for font-lock mode
>
> So we are talking about a 17% slow-down?  Not bad.

Yes, but to be fair, this does not include the initial parsing by
Semantic/Wisent/Bovine. This is usually done for the whole buffer when
Emacs is idle, and not during scrolling.

-David