Displaying 5 results from an estimated 5 matches for "jalu01".
2018 Mar 01
9
[RFC] llvm-mca: a static performance analysis tool
...[# cycles]
0, 7 (1.1%)
1, 306 (50.2%)
2, 297 (48.7%)
Retire Control Unit - number of cycles where we saw N instructions retired:
[# retired], [# cycles]
0, 109 (17.9%)
1, 102 (16.7%)
2, 399 (65.4%)
Scheduler's queue usage:
JALU01, 0/20
JFPU01, 18/18
JLSAGU, 0/12
///////////////////
Based on the verbose report, the backend was only able to dispatch two
instructions 51.5% of the time. The dispatch group was limited to one
instruction 44.6% of the cycles, which corresponds to 272 cycles.
If we look at section "Dynam...
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...t; 2, 297 (48.7%)
>
>
> Retire Control Unit - number of cycles where we saw N instructions
> retired:
> [# retired], [# cycles]
> 0, 109 (17.9%)
> 1, 102 (16.7%)
> 2, 399 (65.4%)
>
>
> Scheduler's queue usage:
> JALU01, 0/20
> JFPU01, 18/18
> JLSAGU, 0/12
> ///////////////////
>
> Based on the verbose report, the backend was only able to dispatch two
> instructions 51.5% of the time. The dispatch group was limited to one
> instruction 44.6% of the cycles, which corresponds to 272 cycles....
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...2%)
> 2, 297 (48.7%)
>
>
> Retire Control Unit - number of cycles where we saw N instructions retired:
> [# retired], [# cycles]
> 0, 109 (17.9%)
> 1, 102 (16.7%)
> 2, 399 (65.4%)
>
>
> Scheduler's queue usage:
> JALU01, 0/20
> JFPU01, 18/18
> JLSAGU, 0/12
> ///////////////////
>
> Based on the verbose report, the backend was only able to dispatch two
> instructions 51.5% of the time. The dispatch group was limited to one
> instruction 44.6% of the cycles, which corresponds to 272 cycles....
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...> 2, 297 (48.7%)
>
>
> Retire Control Unit - number of cycles where we saw N instructions retired:
> [# retired], [# cycles]
> 0, 109 (17.9%)
> 1, 102 (16.7%)
> 2, 399 (65.4%)
>
>
> Scheduler's queue usage:
> JALU01, 0/20
> JFPU01, 18/18
> JLSAGU, 0/12
> ///////////////////
So great!
> LLVM-MCA instruction flow
> -------------------------
>
> This section describes the instruction flow through the out-of-order backend, as
> well as the functional units involved in the process.
&g...
2018 Mar 02
5
[RFC] llvm-mca: a static performance analysis tool
...2%)
> 2, 297 (48.7%)
>
>
> Retire Control Unit - number of cycles where we saw N instructions retired:
> [# retired], [# cycles]
> 0, 109 (17.9%)
> 1, 102 (16.7%)
> 2, 399 (65.4%)
>
>
> Scheduler's queue usage:
> JALU01, 0/20
> JFPU01, 18/18
> JLSAGU, 0/12
> ///////////////////
>
>
> So great!
>
> LLVM-MCA instruction flow
> -------------------------
>
> This section describes the instruction flow through the out-of-order
> backend, as
> well as the functional units involv...