RE: Past and presence of PerlEx and PerlIS
"Ludwig, Michael" <[email protected]>
| Newsgroups | gmane.comp.lang.perl.active-perl |
|---|---|
| Message-ID | <[email protected]> |
> -----Original Message----- > From: [email protected] > On Behalf Of Jan Dubois > On Tue, 10 Aug 2010, Michael Ludwig wrote: > > > > What's the difference between PerlEx 3.0 and PerlIS? Or have they > > been merged? > > No, the merge never happened. PerlEx is however still part of > ActivePerl and has not been dropped from the 5.10 or 5.12 builds. > > The difference between PerlIS and PerlEx is that the latter is doing > script caching (keeping an already compiled script in memory and use > it to service multiple requests, similar to mod_perl for Apache) while > the former does not. PerlIS will create a new interpreter for each > request. > > So PerlIS is somewhere in the middle between using perl.exe for CGI > and PerlEx: it saves the process startup cost of perl.exe because it > runs as an ISAPI plugin inside the thread pool, but it still has the > interpreter startup/teardown cost for each request. > > Therefore PerlIS is somewhat more robust because the scripts don't > have to be written in a way that makes them cachable. Precisely what I needed to know! Thanks a lot! > > http://code.activestate.com/lists/perlex/737/ > > In particular, from message 737: "ActiveState will replace the > > existing PerlIS in ActivePerl 5.8 with a modified version of > > PerlEx." Has this happened and is it what we're seeing now in an > > ActivePerl distribution? > > No, it hasn't happened, and there are currently no plans to do so. Good. This has clarified things to me. Thanks! > > What kind of support is available for PerlEx, PerlScript or PerlIS? > > PerlScript and PerlIS are supported for companies with ActivePerl > Enterprise support contracts. PerlEx is just provided as-is. Bug > reports and requests to [email protected] will be handled (or > not) depending on the effort required. Also thanks - good to know! There might be a page somewhere pointing out this information, but I haven't been able to locate it. Best, -- Michael Ludwig _______________________________________________ ActivePerl mailing list [email protected] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs