Date: Mon, 16 Dec 1996 08:47:01 -0500 Message-Id: <199612161347.IAA01261@delorie.com> From: DJ Delorie To: leathm AT gbrmpa DOT gov DOT au CC: Kevin AT Quitt DOT net, djgpp AT delorie DOT com In-reply-to: <32B4F808.3645@gbrmpa.gov.au> (message from Leath Muller on Mon, 16 Dec 1996 15:19:40 +0800) Subject: Re: Is DJGPP that efficient? > > Without being too facetious, the problem is that the Intel architecture is > > so poorly suited for such calculations that the optimal is still none too > > good. But yes, DJGPP is pretty good. > > Ummm...not meaning to start any wars... but your joking right? :) > The FPU in the pentium is pretty damn good... 3 cycles for a mul, 1 > for an add, while being able to run in parallel with the integer > unit...seems pretty cool to me! :) There are other considerations besides opcode speed. For example, the fpu only has eight registers; other types have up to 32, and you must access the registers in a stack-like way, instead of through standard numbered register. These may also affect the overall efficiency of any FPU code.