Displaying 2 results from an estimated 2 matches for "llvm_profdata".
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llvm_prf_data
2019 Jan 17
2
[RFC] Order File Instrumentation
...u suggesting a front-end instrumentation by
mentioning InstrProfiling.cpp?
>
>
>> So the difference will be where we store the profile information and in
>> what format?
>>
>>
> Time stamp can be simply a uint64 value just like any edge/block profile
> count. llvm_profdata tool can be taught to dump the ordering file to be
> exported to the linker.
>
>
>> With the suggested approach, we need to allocate one time stamp for each
>> function, what is implemented is a pair of numbers for each executed
>> function. The runtime performance can be...
2019 Jan 17
2
[RFC] Order File Instrumentation
On Thu, Jan 17, 2019 at 10:53 AM Xinliang David Li <davidxl at google.com>
wrote:
> Hi Manman,
>
> Ordering profiling is certainly something very useful to have to startup
> time performance. GCC has something similar.
>
> In terms of implementation, it is possible to simply extend the edge
> profiling counters by 1 for each function, and instrument the function to
>