Displaying 6 results from an estimated 6 matches for "docs_v4".
2018 Mar 15
1
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...documented will be great. In particular, it's
important to document what kind of functionality we need out of the PMU
rather than any particular cpu specific counter. Also performance
requirements of the counters.
Open Questions We depend on libpfm
>> <http://perfmon2.sourceforge.net/docs_v4.html>. How do we handle the
>> dependency ?
>>
>>
>> Are there options that you have in mind? It's an external MIT-licensed
>> dependency. Wouldn't CMake just detect it when it's available?
>>
>
> That's what we've done for now (see c...
2018 Mar 15
5
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...s might involve extending the TD schema with
information on how to setup measurements for specific instructions.
-
[??] Make the tool work for other CPUs. This mainly depends on the
presence of performance counters.
Open QuestionsWe depend on libpfm
<http://perfmon2.sourceforge.net/docs_v4.html>. How do we handle the
dependency ?
--
Guillaume Chatelet (gchatelet at google.com), Clement Courbet (
courbet at google.com) for the Google Compiler Research Team
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2018 Mar 15
3
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...with
> information on how to setup measurements for specific instructions.
> -
>
> [??] Make the tool work for other CPUs. This mainly depends on the
> presence of performance counters.
>
> Open Questions We depend on libpfm
> <http://perfmon2.sourceforge.net/docs_v4.html>. How do we handle the
> dependency ?
>
>
> Are there options that you have in mind? It's an external MIT-licensed
> dependency. Wouldn't CMake just detect it when it's available?
>
That's what we've done for now (see code here
<https://reviews.llvm...
2018 Mar 15
0
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...>> *
>>
>> [??] Make the tool work for other CPUs. This mainly depends
>> on the presence of performance counters.
>>
>>
>> Open Questions
>>
>> We depend on libpfm
>> <http://perfmon2.sourceforge.net/docs_v4.html>. How do we handle
>> the dependency ?
>
> Are there options that you have in mind? It's an external
> MIT-licensed dependency. Wouldn't CMake just detect it when it's
> available?
>
>
> That's what we've done for now (see code...
2018 Mar 15
0
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...on how to setup measurements for specific
> instructions.
>
> *
>
> [??] Make the tool work for other CPUs. This mainly depends on the
> presence of performance counters.
>
>
> Open Questions
>
> We depend on libpfm <http://perfmon2.sourceforge.net/docs_v4.html>.
> How do we handle the dependency ?
Are there options that you have in mind? It's an external MIT-licensed
dependency. Wouldn't CMake just detect it when it's available?
-Hal
> --
> Guillaume Chatelet (gchatelet at google.com
> <mailto:gchatelet at google.co...
2018 Mar 15
0
[RFC] llvm-exegesis: Automatic Measurement of Instruction Latency/Uops
...on how to setup measurements for specific
> instructions.
>
> *
>
> [??] Make the tool work for other CPUs. This mainly depends on the
> presence of performance counters.
>
>
> Open Questions
>
> We depend on libpfm <http://perfmon2.sourceforge.net/docs_v4.html>.
> How do we handle the dependency ?
> --
> Guillaume Chatelet (gchatelet at google.com
> <mailto:gchatelet at google.com>), Clement Courbet (courbet at google.com
> <mailto:courbet at google.com>) for the Google Compiler Research Team
>
>
>
> ____...