[fpc-devel] Status report for "class helpers"
Jonas Maebe
jonas.maebe at elis.ugent.be
Sun Jan 30 13:29:36 CET 2011
On 30 Jan 2011, at 12:37, Martin Schreiber wrote:
> I cry if FPC doesn't compile at least ten percent *faster* than the previous
> release...
At least on Mac OS X/i386, we are pretty close to that currently as far as compiling the compiler with itself is concerned:
* Compiling it with 2.4.2:
user 0m7.663s
sys 0m0.545s
user 0m7.540s
sys 0m0.535s
user 0m7.527s
sys 0m0.532s
* Compiling it with 2.5.1:
user 0m6.972s
sys 0m0.451s
user 0m6.967s
sys 0m0.456s
user 0m6.966s
sys 0m0.456s
The reason I'm specifically mentioning the used platform is that there's one new Mac OS X/i386-specific optimization in 2.5.1 (more efficient PIC trampolines, and PIC is enabled by default on that platform), although I cannot imagine that it would be completely (or even largely) responsible for an 8% speedup.
Jonas
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