I'm comparing the following two things: 1. cpack TBZ2 generator 2. "tar cjf" the same files as with cpack. (j option = BZIP2 compression)
I cannot avoid CPack. It takes care of way too many little details of the packaging. Obviously we use it via lots of install() statements in our CMakeLists.txt files. On 2 June 2016 at 06:14, Raymond Wan <rwan.w...@gmail.com> wrote: > Hi, > > > On Wed, Jun 1, 2016 at 8:26 PM, Alessio <masariello+cmake....@gmail.com> > wrote: > > Is anyone else having problems with the speed of cpack? > > > > Out of one of our code bases we produce two packages on Linux using the > > BZIP2 generator with CMake 3.4.0. I provide a few stats on the packages > > below. They are not particularly fat. GNU tar will take ~1min to tar the > > biggest one up with the same compression tech. > > > > CPack takes a good 4~5min for each of them. > > > I have to admit that I'm not a cpack user. So, I'm not sure if I can help. > > But are you comparing: > > "cmake + bzip" versus "cmake + tar"? > > By default tar doesn't do any compression. It concatenates all of the > files together. That might be why it is so fast. Perhaps you can > remove cmake from the equation and compare bzip with tar? I *guess* > the speed difference might be the same and perhaps unrelated to cmake. > (Just my guess, of course.) > > On the other hand, if speed is an issue, consider using gzip. It > won't compress as well as bzip, but it should be faster in terms of > compression time. > > Ray >
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