"Martin v. Loewis" wrote: > > When compiling the same programs with these compilers, g++ 2.95 is > > much (sometimes 3 times) faster than g++ 3.0, even without > > optimizing (without -O). > > Not sure what you asking. Are you saying g++ 2.95 is faster, or that > the generated code is faster? > > > Why is it happening? Is it so because of more complex templates in recent > > libstdc++? > > If you are asking for compilation speed, yes, the main cause it that > libstdc++ consists of many more templates now. If you are asking for a > slow-down in an application, you need to provide detailed test cases.
I asked about compilation speed. > > Is g++ 3.0 really a step further ? > > It certainly is. g++ is much more standards compliant that 2.95; > mainly because of the new C++ library. The new C++ ABI is also more > memory-efficient in some cases. Oh, I have one more question. What does widely-mentioned "ABI" stand for? Regards, Alexei.
