Re:A Deep Introduction to JIT Compilers: JITs are not very J...
by dahfizz on Sunday July 05, 2020 @06:08PM
(#23742521)
>> Interestingly in 30 years I have not once heard of a case where this theoretical benefit has manifested as a clear advantage in any real world application when looking at the system as a whole.
> The just-in-time code is (ignoring startup and warmup time) in my experience always faster, due to the extra runtime information.
I don't think that result is surprising. The issue is that in the real world you can't ignore startup and warm up times.
I've never heard the claim that JIT compiled code is slower than statically compiles code. The issue is that the extra costs associated with JIT don't outweigh its benefits.
> The just-in-time code is (ignoring startup and warmup time) in my experience always faster, due to the extra runtime information.
I don't think that result is surprising. The issue is that in the real world you can't ignore startup and warm up times.
I've never heard the claim that JIT compiled code is slower than statically compiles code. The issue is that the extra costs associated with JIT don't outweigh its benefits.