Displaying 2 results from an estimated 2 matches for "olev".
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ole
2010 Jun 25
3
[LLVMdev] Why code doesn't speed up much with optimization level increase?
I run large piece of code in JIT and it runs only marginallty faster
with optimization levels 1,2,3. I think differences are within the
margin or error.
level user time
0 17339ms
1 16913ms
2 16891ms
3 16898ms
Level is set with builder->setOptLevel(olev);
Compilation time is excluded by taking the only top-level function
address before the run with getPointerToFunction. So I measure time
without getPointerToFunction.
Why optimization almost doesn't speed it up? What are the other than
setOptLevel ways to control optimization?
My mindset i...
2011 Jun 02
0
Martin T soovib vestelda
...alt k?sida kommentaare ja soovitusi. Meile on teie abi
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