Re: NSFileWrapper serializedRepresentation
Re: NSFileWrapper serializedRepresentation
- Subject: Re: NSFileWrapper serializedRepresentation
- From: Jens Alfke <email@hidden>
- Date: Mon, 04 Apr 2016 09:49:19 -0700
> On Apr 4, 2016, at 1:18 AM, Gerriet M. Denkmann <email@hidden> wrote:
>
> When I do this in OS X 10.11.4 dataRaw = 30380898, dataCompressed = 5638680 ( 18.6 %)
> But in the iOS Simulator 9.3.1: dataRaw = 28206422, dataCompressed = 4282602 ( 15.2 %)
>
> That is OS X (10.11.4) makes an 8 % bigger FileWrapper compared to iOS (9.3.1), which also compresses less well → 32% overhead.
You’re compressing different data, so the compression level is going to be different. Try compressing exactly the same data on both platforms, if you really want a comparison.
—Jens
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