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classllvm_1_1enginebuilder
2016 Feb 05
4
MCJit Runtine Performance
Hi Morten,
Something else just occurred to me: can you share your EngineBuilder configuration lines? (http://llvm.org/docs/doxygen/html/classllvm_1_1EngineBuilder.html)
In particular - are you explicitly setting the optimization level? The old JIT may have had a different default.
- Lang.
Sent from my iPad
> On Feb 4, 2016, at 10:54 PM, Jim Grosbach via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> I agree with Lang and Keno here....
2016 Feb 05
2
MCJit Runtine Performance
Hi Keno,
I am talking about runtime. The performance of the generated machine
code. Not the time it takes to lower the IR to machine code.
We typically only JIT once (taking a few secs) and then run the
generated machine code for hours. So the JIT time (IR -> machine code)
doesn't impact us.
Cheers
Morten
On 05/02/16 15:58, Keno Fischer wrote:
> Actually, reading over all of this