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Hello, In order to overcome a known performance bug in perl-5.8.8-10 in centos 5 (see https://bugzilla.redhat.com/show_bug.cgi?id=196836) I downloaded the perl package from fedora 8 (http://mirror.internode.on.net/pub/fedora/linux/releases/8/Fedora/source/SRPMS/perl-5.8.8-30.fc8.src.rpm) and mod_perl

...ring the bottlenecks of loading > packages with many S4 classes (and methods)... > and I hope we can make real progress there rather sooner than later. > OTOH, your `summaryRprof()` in your vignette indicates that exists() may use > upto 10% of the time spent in library(reportingTools), and your speedup > proposals of exist() may go up to ca 30% which is good and well worth > considering, but still we can only expect 2-3% speedup for package loading > which unfortunately is not much. > Still I agree it is worth looking at exists() as you did .....

...with many S4 classes (and methods)... > > > and I hope we can make real progress there rather sooner than > later. > > > > > OTOH, your `summaryRprof()` in your vignette indicates that > exists() may use > > > upto 10% of the time spent in library(reportingTools), and your > speedup > > > proposals of exist() may go up to ca 30% which is good and well > worth > > > considering, but still we can only expect 2-3% speedup for > package loading > > > which unfortunately is not much. > > > > &...

...oading > > packages with many S4 classes (and methods)... > > and I hope we can make real progress there rather sooner than later. > > > OTOH, your `summaryRprof()` in your vignette indicates that exists() may use > > upto 10% of the time spent in library(reportingTools), and your speedup > > proposals of exist() may go up to ca 30% which is good and well worth > > considering, but still we can only expect 2-3% speedup for package loading > > which unfortunately is not much. > > > Still I agree it is worth looking a...

...; packages with many S4 classes (and methods)... > > > and I hope we can make real progress there rather sooner than later. > > > > > OTOH, your `summaryRprof()` in your vignette indicates that exists() may use > > > upto 10% of the time spent in library(reportingTools), and your speedup > > > proposals of exist() may go up to ca 30% which is good and well worth > > > considering, but still we can only expect 2-3% speedup for package loading > > > which unfortunately is not much. > > > > > Still I agr...

...nd methods)... >> > > and I hope we can make real progress there rather sooner than >> later. >> > >> > > OTOH, your `summaryRprof()` in your vignette indicates that >> exists() may use >> > > upto 10% of the time spent in library(reportingTools), and your >> speedup >> > > proposals of exist() may go up to ca 30% which is good and well >> worth >> > > considering, but still we can only expect 2-3% speedup for >> package loading >> > > which unfortunately is not much. &...

...packages with many S4 classes (and methods)... > > > and I hope we can make real progress there rather sooner than later. > > > > > OTOH, your `summaryRprof()` in your vignette indicates that exists() may use > > > upto 10% of the time spent in library(reportingTools), and your speedup > > > proposals of exist() may go up to ca 30% which is good and well worth > > > considering, but still we can only expect 2-3% speedup for package loading > > > which unfortunately is not much. > > > > > Still I ag...

...gt; > > and I hope we can make real progress there rather sooner than >>> later. >>> > >>> > > OTOH, your `summaryRprof()` in your vignette indicates that >>> exists() may use >>> > > upto 10% of the time spent in library(reportingTools), and your >>> speedup >>> > > proposals of exist() may go up to ca 30% which is good and well >>> worth >>> > > considering, but still we can only expect 2-3% speedup for >>> package loading >>> > > which unfo...