Roger, your forecast on 128 bit systems, when do you think partial 128 bit systems will first appear, and then full 128 bit ones?
thanks Dick ----- Original Message ----- From: Roger Hui <[email protected]> Date: Wednesday, September 30, 2009 3:21 pm Subject: Re: [Jgeneral] Advantages of using J in 64 bit OS To: General forum <[email protected]> > To avoid disappointment or misleading your users, > you should count on a small but definite slow-down > in a 32-bit app when it is run on a 64-bit system. > > The whole point of 64 bits is the bigger address space, > and the troubles and complications you avoid by > not having to shoehorn some app that's bigger than > 32 bits into 32 bits. > > > > ----- Original Message ----- > From: Alex Rufon <[email protected]> > Date: Wednesday, September 30, 2009 0:14 > Subject: Re: [Jgeneral] Advantages of using J in 64 bit OS > To: General forum <[email protected]> > > > I was trying to read up about 64bit OS and one of the thing > they > > are pointing out is that it should be faster for some > > computations since all the bits would fit in one 64bit word. > > > > My J application server in production are still using 32bit > > CPU's (i.e. Intel Pentium 4 3Ghz single core) and the > OS(Win2K, > > MSSQL, IIS, etc) are all 32 bits. I've been looking at some > > submission by other teams and all of their requirements are > > still in 32bit. > > > > -----Original Message----- > > From: [email protected] [mailto:general- > > [email protected]] On Behalf Of bill lam > > Sent: Wednesday, September 30, 2009 2:30 PM > > To: [email protected] > > Subject: Re: [Jgeneral] Advantages of using J in 64 bit OS > > > > On Wed, 30 Sep 2009, Alex Rufon wrote: > > > Where doing the CAPEX for 2010 and I was hoping to get a > 64bit > > machine for my J Application Server. > > > > > > Right now, I've only came up with the following justification: > > > > > > 1. Allows J to allocate > > objects greater than 1GB. > > > > > > 2. Allows J to process > > files greater than 2GB. > > > > Assuming you work with mssqlsvr, There are already 64-bit > > version of > > window server 2008 and mssqlsvr 2008. For 32-bit os, the > > sqlsvr alone > > would eat up almost all available 4GB memory. J odbc > > script can run > > in 64-bit mode. Not sure for dotnet (I didnt use). > > > > BTW how can you possibly get a 32bit x86 cpu nowadays (except > > atom in > > netbook or some via chip). > ----------------------------------------------------------------- > ----- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
