But having such a naive malloc implementation would put it well below what a state-of-the-art tracing GC can do in allocation speed, and then we didn’t even get

But having such a naive malloc implementation would put it well below what a state-of-the-art tracing GC can do in allocation speed, and then we didn’t even get to fragmentation, elegantly solved by moving GCs. Of course, all these are tradeoffs, I’m just saying that it isn’t as easy.