On Sun, Aug 21, 2011 at 6:40 PM, Eli Billauer <e...@billauer.co.il> wrote:
> Thank you all for your answers. > > I suppose the conclusion is that using 32 bits for application is a nice > workaround for applications that cause trouble as 64 bits, unless it's > really computation intensive (simulations etc.). Maintaining the necessary > 32 bit libraries is a not fun, but nothing compared to waiting for this and > that binary plugin to work correctly. > > Since the performance issue was mentioned more than once, I'll say that my > hunch is that except for real number crunchers (finite elements simulations, > video encoding and stuff Orna plays around with) most applications are > limited by data starvation (cache misses), so the extra registers allowed > for in x86_64 aren't necessary making any real difference. In particular > when it comes to browsers, word processors, maybe even video rendering and > compilation. But this is really just a hunch. > > I forgot to mention that sometimes, on really funny occasions, you get a performance penalty from using the 64bit code. For example, when you take a number close to 1 (1.00000001) to a power. You will get absolutely stuck with the 64bit code. So 32 bit for Firefox it is. As for the rest, well, who cares, as long as it > works. > > Eli > > -- > Web: http://www.billauer.co.il > > ______________________________**_________________ > Haifux mailing list > Haifux@haifux.org > http://hamakor.org.il/cgi-bin/**mailman/listinfo/haifux<http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux> > -- Orna Agmon Ben-Yehuda. http://ladypine.org
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