On Wed, May 14, 2014 at 9:43 PM, Clément Bera <bera.clem...@gmail.com>wrote:
> Hello, > > The work to port Pharo to 64 bits has started. > > The new memory manager Spur will be ported to Pharo 4 alpha next week and > it supports 64 bits (this is fresh news, it has been decided 3 hours ago). > This was one of the main issue for the 64 bits port. > > Now the status is to finish to port the memory manager and to compile the > VM for 64 bits. There is a bit a debugging to do as even if the 64bits Spur > memory manager is implemented it has never been debugged. In addition, some > plugins are 32 bits dependent and that needs to be fixed. > > At this point, which should be in the late summer if Esteban and Eliot are > very productive, we should have a 64 bits stack VM. > > Then there are 2 remaining points, one is to port the JIT to support > x86_64 bits and the other is to add faster floating pointer in 64 bits. > Adding fast floating pointer is important as 64bits images are typically > 30% slower than 32bits ones due to Pharo computation being mainly pointers > computation, and that manipulating 64 bits is more expensive than 32 bits. > > At this point, which is probably around christmas if everything goes well, > we should have a 64bits Cog VM. > > Now this is the optimistic planning. It may be that we have the 64 bits > Stack VM for Christmas and the 64 bits Cog VM in a year. It depends if you > prefer the optimistic or the pessimistic planning. > > > > Right now, people have issue with 64bits vs 32bits in Linux (I saw several > reports on the mailing list) but it seems it is not a problem in Windows > and Mac. Microsoft and Apple may be providing better support for 32 bits. I > don't know. > Keypad works on my linux build. There was a lost commit somewhere and I fwded the file to Esteban for integration. Phil > > > I don't know about the working keypad. Perhaps someone more aware could > help. > > > 2014-05-14 21:08 GMT+02:00 Hilaire Fernandes <hilaire.fernan...@gmail.com> > : > >> Yesterday my boss asked me to see DrGeo on his Ununtu 14.04LTS 64 bits >> machine. I could not get it working, 32 bits compatibility package to >> run 32bits application on 64bits system is gone, you have to find out >> manually the needed 32 bits libs and install it. >> >> Now I don't want to face this situation anymore, I want to provide with >> DrGeo a VM for each word size, compiled with not recent libc et al. and >> a working keypad. It is the bare minimum to not look ridiculous. >> By the way, the situation would have been equally ridiculous showing >> Pharo3. >> >> Now, I wonder, how is deal the 32bits/64bits situation on Windows and >> Mac OSX? >> >> Hilaire >> >> >> -- >> Dr. Geo http://drgeo.eu >> >> >> >
