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<blockquote data-quote="Sunshine-boy" data-source="post: 1116047" data-attributes="member: 60675">XnView lags when opening high-resolution images and cannot open them quickly. There is another program called ImageEye that is fast.[URL unfurl=&quot;true&quot;]https://www.fmjsoft.com/imageeye.html[/URL]<ul>
<li data-xf-list-type="ul">High quality dithering: Floyd-Steinberg dithering is used for superior perceived image quality when displaying high bit-depth images.</li>
<li data-xf-list-type="ul">Asynchronous file I/O: Images are decompressed at the same time as data is being read - i.e. it doesn&#039;t wait for file reads to finish before starting to decode.</li>
<li data-xf-list-type="ul">Speculative decoding &amp; caching of images: While you view a file, the next file in the folder is invisibly being decoded, so that it can be brought up very quickly. When you move to a new image, the old one is cached, so that there&#039;s little delay if you toggle back and forth between images.</li>
<li data-xf-list-type="ul">Data parallelism exploitation: Many heavy computational tasks are considerably sped up by using SEE instructions. These SIMD instructions work on 4, 8 or even 16 numbers in parallel.</li>
</ul>&quot;The king of all image viewers is Photo Mechanic, but it&#039;s not free.</blockquote>

[QUOTE="Sunshine-boy, post: 1116047, member: 60675"] XnView lags when opening high-resolution images and cannot open them quickly. There is another program called ImageEye that is fast. [URL unfurl="true"]https://www.fmjsoft.com/imageeye.html[/URL] [LIST] [*][I]High quality dithering:[/I] Floyd-Steinberg dithering is used for superior perceived image quality when displaying high bit-depth images. [*][I]Asynchronous file I/O:[/I] Images are decompressed at the same time as data is being read - i.e. it doesn't wait for file reads to finish before starting to decode. [*][I]Speculative decoding & caching of images:[/I] While you view a file, the next file in the folder is invisibly being decoded, so that it can be brought up very quickly. When you move to a new image, the old one is cached, so that there's little delay if you toggle back and forth between images. [*][I]Data parallelism exploitation:[/I] Many heavy computational tasks are considerably sped up by using SEE instructions. These SIMD instructions work on 4, 8 or even 16 numbers in parallel. [/LIST] "The king of all image viewers is Photo Mechanic, but it's not free. [/QUOTE]

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