Saving images more efficiently in favor of minimum memory use-CodePudding

I'm observing the Pasteboard for changes, that include images. The amount of memory I can use is limited, so most images make the program result in a jetsam crash due to their size. Is it possible to store them more efficiently?

Currently I'm using this code to store them:

for (UIImage* image in [_pasteboard images]) {
    [UIImagePNGRepresentation(image) writeToFile:path atomically:YES];
}

CodePudding user response：

All of those images are staying in memory in this loop, which is causing your memory use problem. You can help by adding an autorelease pool inside the loop:

for (UIImage* image in [_pasteboard images]) {
    @autoreleasepool {
        [UIImagePNGRepresentation(image) writeToFile:path atomically:YES];
    }
}

That will cause each image's memory to be reclaimed at the end of the current pass through the loop.

I'm removing the "core-data" tag since this question is not about Core Data.

CodePudding user response：

I solved it by making a different process with more memory do the work. The original process only sends a notification now.