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Memory/CPU optimizations

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Tried to open few ARW files at once, but Affinity Photo tried to open them too slow (I waited few minutes and has to kill it).

For test tried to open only one photo and compare result with Photoshop:


Affinity Photo

 - init used memory after cold start = 184MB

 - time to show = 14 seconds

 - time to finish open = 52 seconds

 - used memory = 1,268MB


Photoshop CC 2015:

 - init used memory after cold start =  143MB

 - time to show = 4 seconds

 - time to finish open = 14 seconds

 - used memory = 489MB


Sample attached to this post.

Try to make 10x duplicates with different names and drag them all to Affinity Photo... ;)

In result on my system currently I can work with Photoshop, but not with Affinity :( 

Please, optimize your product.



 - CPU:  Intel(R) Core(TM)2 Duo CPU E8200 @ 2.66GHz

 - GPU: Geforce GT 240

 - Memory: 4GB

 - Free space on disk: 50GB

 - OS: Windows 10 1709 b16299.19



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Hi SailorMax


Thanks for the feedback. We are always looking at improving performance of the app where possible. We will always be slightly slower on opening raw files as we open the complete file straight away instead of just the initial preview, but I'm sure we shall still work on trying to get these times down



Serif Europe Ltd - Check the latest news at www.affinity.serif.com

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Based on CPU usage you both made "initial preview":

- you both show image in 4 vs 14 seconds ("time to show").

- and you both open the complete file in 14 vs 52 seconds ("time to finish open").


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I often just have two open files, causing the whole system to hang completely because all the memory is busy and until I force you to unload the photo.exe  система висит. Repeats very often, especially if you open two photos in the raw and exit the mode of develop, and then continue to create corrective layers, in front of everything starts to slow down.

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