Re: Is Swift really swift?
Re: Is Swift really swift?
- Subject: Re: Is Swift really swift?
- From: Jens Alfke <email@hidden>
- Date: Sat, 05 Jul 2014 13:23:32 -0700
On Jul 5, 2014, at 12:48 PM, Gerriet M. Denkmann < email@hidden> wrote: Using maskArray took 15 sec. This is 160 times slower than computing directly: 0.09 sec (1.25 slower than Obj-C).
Array bounds checking is killing your performance. I think there’s a compiler option to turn it off. Or you could look for system library routines for working with bit-vectors, since it sounds like that’s what this is for. Have you tried CFBitVector?
—Jens |
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