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EfficientDet was open sourced March 18 [1], YOLOv4 came out April 23 [2], and now YOLOv5 is out only 48 days later.

In our initial look, YOLOv5 is 180% faster, 88% smaller, similarly accurate, and easier to use (native to PyTorch rather thank Darknet) than YOLOv4.

Those numbers are quite impressive.

YOLOv4 -> YOLOv5

Inference time: 20ms -> 7ms (on P100)

Frames per second: 50 -> 140

Size: 244mb -> 27 mb

f(x)=c, zero size, infinite fps. You should also take some accuracy metric into account ;)

> "Similarly accurate"

MS COCO looks to be improved even overall.

OT: the stats above should be part of the PyTorch marketing material, indeed impressive

> open sourced

This is not a verb.

It's behaving like one:

Arguably it became one.