AWARE SYSTEMS
TIFF and LibTiff Mail List Archive

Thread

2015.01.01 20:24 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.01 17:12 "Re: [Tiff] Fast TIFF Reading on Windows", by Bob Friesenhahn
2015.01.01 17:27 "Re: [Tiff] Fast TIFF Reading on Windows", by John
2015.01.01 20:20 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.03 05:24 "Re: [Tiff] Fast TIFF Reading on Windows", by Edward Lam
2015.01.05 03:36 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 03:39 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 04:49 "Re: [Tiff] Fast TIFF Reading on Windows", by Bob Friesenhahn
2015.01.05 09:53 "Re: [Tiff] Fast TIFF Reading on Windows", by John
2015.01.05 13:47 "[Tiff] Fwd: Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 14:03 "Re: [Tiff] Fast TIFF Reading on Windows", by Edward Lam
2015.01.05 14:08 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 17:57 "Re: [Tiff] Fast TIFF Reading on Windows", by Edward Lam
2015.01.05 13:47 "[Tiff] Fwd: Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 14:07 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.05 15:05 "Re: [Tiff] Fast TIFF Reading on Windows", by Bob Friesenhahn
2015.01.05 19:38 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer
2015.01.07 10:53 "Re: [Tiff] Fast TIFF Reading on Windows", by Roger Leigh
2015.01.07 15:26 "Re: [Tiff] Fast TIFF Reading on Windows", by Bob Friesenhahn

2015.01.01 20:24 "Re: [Tiff] Fast TIFF Reading on Windows", by Aaron Boxer

On Thu, Jan 1, 2015 at 12:27 PM, <jcupitt@gmail.com> wrote:

> > On Thu, 1 Jan 2015, Aaron Boxer wrote:

> >> Can anyone recommend the very fastest way of reading TIFF files on > windows?

> >> For example, there are several ways of reading in the file, including > memory mapping. Has anyone benchmarked performance on

> >> recent versions of windows?
>
> My experience is that plain read() is generally faster than mmap(),
> and does not chew up your VM.
>
> For tiled images, read with TIFFReadTile(). For strip images, read
> with TIFFReadEncodedStrip().
>

> You may need to do some repacking of pixel data after reading, > unfortunately. As I'm sure you know, there are an annoying number of

> cases you probably ought to handle, like 2-bit palette images, or > something mad like that.

>

Thanks, John. The file format is not exotic for the files I am interested in, fortunately,

I will need to run my own benchmarks, I suppose.

Aaron