RE: jde considered harmful

Hi Paul, > I measured the time it took XEmacs 21.4 (patch 8) running JDEE > 2.2.9beta10 and sematic 1.4 to load some Java Swing files on a > 128-megabyte Pentium III desktop running at 900 Mhz. The load time is > the time from an open file command to the time when the file becomes > editable and includes the time to fontify and bovinate the buffer. The > load time ranged from about 2 seconds for a 200-line file to about 15 > seconds for a 5000-line file (see table below). On my machine, > fontification dominated the load time on large files. The parse time > (i.e., semantic bovinator time) was never more than a few seconds even > for a 5000-line file. That's more in line with my experience. > Based on my measurements and the fact that the user has a faster machine > than mine, the user should be seeing about a 2-3 second > load time for his "typical" 300-line Java files. I don't know why he is > seeing 20+ second load times. Perhaps, he has an old version of > semantic on his system. Recent versions of semantic have dramatically > slashed the time required to parse files and the time should drop even > further with the advent of the upcoming bison-like parser to be > included in semantic. That's possibly the case. I will do some profiling myself. Certainly I have seen very slow load times with a dump version of cygwin XEmacs. But its true that jde does take a significant amount of time to load (at least for me anyway).