Go

PHP is a blocking language. When you loop over a batch of images and resize each one sequentially, you wait for every conversion to finish before starting the next. For small batches that is acceptable. For anything larger, it becomes a bottleneck. The natural instinct is to reach for a parallelism solution inside PHP. But I have come to prefer a different approach: accept that PHP is blocking, and delegate the responsibility of parallelism to a language that does it beautifully. ...