My experience is a lot of people&#x2F;groups get obsessed with one metric in this case average speed. A pauseless GC is always going to be a bit slower than one that pauses once in a blue moon (meaning all the time from the users standpoint). Requires a really strong will to go against that sort of grain.<p>Just remembered though: Friend who is a Azul developer said that 0x86 processors did not have the correct instructions to support pausesless GC up until very recently.<p>So probably a chicken and the egg problem.