Using Multiple images (and threads)

[jcupitt at gmail.com]

On 18 July 2014 03:52, Benjamin Gilbert <bgilbert at cs.cmu.edu> wrote:
> On 07/17/2014 05:31 AM, jcupitt at gmail.com wrote:
>> You could also consider using a higher-level image library. I maintain vips:
>>
>> http://www.vips.ecs.soton.ac.uk/index.php?title=VIPS
>
> The excessive memory use is likely caused by the tile cache in each
> openslide_t, since Derek has many slides open at once.  Does VIPS
> dynamically close and reopen format readers to limit the number of open
> files?

Yes, it has an operation cache. It keeps the last N operations alive
in a cache for reuse, and sizes the cache to fit various resource
limits, like memory and number of open file descriptors.

Of course I don't know Derek's needs, perhaps it wouldn't be suitable.

John