search for: jlsagu

Displaying 5 results from an estimated 5 matches for "jlsagu".

2018 Mar 01
9
[RFC] llvm-mca: a static performance analysis tool
....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 "Dynamic Dispatch Stall Cycles&quot...
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...> 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 "D...
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...> > 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 "D...
2018 Mar 02
0
[RFC] llvm-mca: a static performance analysis tool
...t; > 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. > > An instruction goes through a...
2018 Mar 02
5
[RFC] llvm-mca: a static performance analysis tool
...> > 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. > > An instruc...