loganhough

> The JVM is not a tracing JIT compiler

He didn't claim or imply it was.

> Tracing is a very slow operation.

Wait a second - you were just saying that PE was slow. Now you are saying that tracing is slow instead?

> Hence the warmup problem is substantially worse for tracing JITs.

This is contrary to everything I've seen in the research. Tracing JITs like LuaJIT and PyPY as fast to warm up compared to method JITs and PEs.