[LLVMdev] Why the same code is much slower in JIT compared to separate executable?

Yuri yuri at tsoft.com
Thu Apr 29 10:21:49 PDT 2010

Török Edwin wrote:
> Are you using 2.6 or 2.7, 32-bit or 64-bit?

I use 2.7 on i386. lli has debug asserts enabled, but I guess this 
shouldn't matter for JIT code speed.

jit: 11.32 real
exe: 7.64 user

Both have -O3 option. Speed should be the same.


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