Tim Bunce wrote: > > That is a 30% performance improvement, without changing a single line of > > code. This is the main reason I intend ditching siglongjmp when I > > integrate 5.6.1 into Solaris. > > But that 30% is a mix of the effects of -Ud_sigsetjmp and the effects > of optimize='-xO4 -xdepend'. How much does performance boost does each > give by itself? the setjmp change gives about 18%, the optimiser gives about 12%. A bit more can be squeezed out if you use the perl malloc, but it is broken above 2Gb, so I don't use it. Alan BurlisonThread Previous | Thread Next