Apple Microarchitecture Research by Dougall Johnson M1/A14 P-core (Firestorm): Overview | Base Instructions | SIMD and FP Instructions M1/A14 E-core (Icestorm): Overview | Base Instructions | SIMD and FP Instructions
Code:
ldursb x0, [x6, #1]
mov x0, 1 mov x1, 2 mov x8, 0
(no loop instructions)
Retires: 1.000
Issues: 1.000
Integer unit issues: 0.000
Load/store unit issues: 1.000
SIMD/FP unit issues: 0.000
retire uop (01) | cycle (02) | 03 | l1d tlb fill (05) | mmu table walk data (08) | 09 | l2 tlb miss data (0b) | 0e | 0f | 1e | 22 | 3a | 3f | 43 | 46 | 49 | 4f | 51 | schedule uop (52) | schedule ldst uop (55) | dispatch ldst uop (58) | simd uops in schedulers (5a) | 60 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map ldst uop (7d) | map ldst uop inputs (80) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst int load (95) | inst ldst (9b) | 9d | l1d tlb access (a0) | l1d cache miss ld (a3) | ld unit uop (a6) | st unit uop (a7) | l1d cache writeback (a8) | ac | af | b5 | b6 | bb | l1d cache miss ld nonspec (bf) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ea | eb | ec | ? ldst retires (ed) | f5 | f6 | f7 | f8 | fd |
1005 | 389 | 3 | 0 | 0 | 1 | 1 | 1 | 0 | 48 | 0 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15037 | 0 | 394 | 394 | 217 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 39 | 73 | 1 | 16 | 1 | 1 | 396 | 9 | 9 | 2 | 1000 | 400 | 400 | 400 | 399 | 400 |
1004 | 399 | 3 | 1 | 1 | 0 | 1 | 1 | 1 | 41 | 1 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 14989 | 0 | 394 | 389 | 212 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 72 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 39 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 6 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
1004 | 394 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 45 | 0 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 14989 | 0 | 389 | 389 | 212 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 39 | 73 | 1 | 16 | 1 | 1 | 386 | 10 | 6 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
1004 | 394 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15037 | 0 | 394 | 394 | 216 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 43 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 6 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
1004 | 394 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 45 | 1 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15037 | 0 | 389 | 394 | 216 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 39 | 43 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 10 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
1004 | 394 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 45 | 0 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 14989 | 0 | 389 | 389 | 217 | 3 | 249 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 43 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 10 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
1004 | 394 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 1 | 1 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15018 | 0 | 399 | 394 | 217 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 72 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 43 | 73 | 1 | 16 | 1 | 1 | 386 | 10 | 10 | 2 | 1000 | 395 | 395 | 395 | 395 | 390 |
1004 | 389 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 45 | 1 | 1 | 374 | 2 | 18 | 18 | 12 | 25 | 1000 | 1000 | 1000 | 14838 | 0 | 394 | 394 | 217 | 3 | 247 | 1000 | 1000 | 1000 | 389 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 39 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 6 | 4 | 1000 | 395 | 395 | 395 | 390 | 395 |
1004 | 394 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 45 | 0 | 2 | 379 | 2 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15037 | 0 | 394 | 394 | 217 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 43 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 43 | 73 | 1 | 16 | 1 | 1 | 391 | 10 | 10 | 4 | 1000 | 395 | 395 | 390 | 390 | 390 |
1004 | 389 | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 41 | 1 | 2 | 374 | 3 | 12 | 12 | 16 | 25 | 1000 | 1000 | 1000 | 15037 | 0 | 394 | 394 | 216 | 3 | 252 | 1000 | 1000 | 1000 | 394 | 71 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 1000 | 39 | 1039 | 0 | 0 | 39 | 1039 | 6 | 1 | 35 | 43 | 73 | 1 | 16 | 1 | 1 | 386 | 10 | 10 | 4 | 1000 | 395 | 395 | 395 | 395 | 395 |
Chain cycles: 3
Code:
ldursb x0, [x6, #1] eor x8, x8, x0 eor x8, x8, x0 add x6, x6, x8
mov x0, 1 mov x1, 2 mov x8, 0
(fused SUBS/B.cc loop)
Result (median cycles for code, minus 3 chain cycles): 4.0050
retire uop (01) | cycle (02) | 03 | 0e | 0f | 18 | 19 | 1e | 1f | 22 | 23 | 3f | 4d | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule ldst uop (55) | dispatch int uop (56) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map int uop inputs (7f) | map ldst uop inputs (80) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int load (95) | inst int alu (97) | inst ldst (9b) | 9d | 9f | l1d tlb access (a0) | l1d cache miss ld (a3) | ld unit uop (a6) | l1d cache writeback (a8) | ac | af | b5 | bb | l1d cache miss ld nonspec (bf) | branch cond mispred nonspec (c5) | branch mispred nonspec (cb) | cd | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ea | eb | ec | ? ldst retires (ed) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
40205 | 70047 | 524 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 70020 | 69781 | 59748 | 25 | 40104 | 30103 | 10007 | 30403 | 10007 | 615567 | 3342615 | 0 | 49 | 66970 | 70035 | 70035 | 64699 | 6 | 64984 | 40118 | 30230 | 10010 | 60260 | 10010 | 70050 | 35 | 2 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 0 | 10000 | 55 | 0 | 10000 | 1 | 0 | 1 | 1 | 1 | 1 | 2619 | 0 | 16 | 0 | 0 | 69855 | 30000 | 9 | 6 | 6 | 10000 | 30100 | 70036 | 70051 | 70051 | 70051 | 70105 |
40204 | 70072 | 524 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 70020 | 69786 | 59695 | 25 | 40104 | 30103 | 10001 | 30100 | 10000 | 616005 | 3342206 | 0 | 49 | 66970 | 70035 | 70047 | 64643 | 3 | 64938 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 1 | 10000 | 1 | 12 | 10000 | 1 | 0 | 0 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30003 | 0 | 6 | 9 | 10000 | 30100 | 70036 | 70051 | 70036 | 70051 | 70090 |
40204 | 70050 | 524 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 70035 | 69781 | 59695 | 25 | 40104 | 30100 | 10001 | 30100 | 10000 | 616005 | 3341470 | 0 | 49 | 66975 | 70050 | 70050 | 64646 | 3 | 64953 | 40100 | 30200 | 10000 | 60200 | 10000 | 70035 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 0 | 10000 | 50 | 0 | 10000 | 1 | 0 | 1 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69798 | 30003 | 9 | 0 | 9 | 10000 | 30100 | 70048 | 70051 | 70048 | 70051 | 70070 |
40204 | 70050 | 524 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 70020 | 69786 | 59709 | 25 | 40104 | 30103 | 10001 | 30100 | 10000 | 616005 | 3341470 | 0 | 49 | 66970 | 70035 | 70050 | 64646 | 3 | 64953 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 1 | 10000 | 36 | 0 | 10000 | 1 | 0 | 1 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30003 | 9 | 6 | 0 | 10000 | 30100 | 70036 | 70051 | 70048 | 70036 | 70101 |
40204 | 70050 | 525 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 70020 | 69786 | 59709 | 25 | 40100 | 30103 | 10001 | 30100 | 10000 | 616005 | 3341470 | 0 | 49 | 66967 | 70047 | 70047 | 64643 | 3 | 64938 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 0 | 10000 | 41 | 3 | 10000 | 1 | 0 | 0 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30000 | 9 | 6 | 0 | 10000 | 30100 | 70036 | 70051 | 70051 | 70051 | 70101 |
40204 | 70035 | 525 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 70020 | 69764 | 59695 | 25 | 40104 | 30103 | 10001 | 30100 | 10000 | 616005 | 3341470 | 0 | 49 | 66970 | 70050 | 70050 | 64643 | 3 | 64938 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 2 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 0 | 10000 | 2 | 0 | 10000 | 1 | 0 | 1 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30000 | 9 | 0 | 0 | 10000 | 30100 | 70051 | 70036 | 70036 | 70036 | 70099 |
40204 | 70047 | 524 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 70020 | 69764 | 59709 | 25 | 40100 | 30103 | 10000 | 30100 | 10000 | 616005 | 3342062 | 0 | 49 | 66970 | 70050 | 70050 | 64646 | 3 | 64938 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 1 | 10000 | 37 | 0 | 10000 | 1 | 0 | 1 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30003 | 9 | 9 | 0 | 10000 | 30100 | 70055 | 70051 | 70037 | 70051 | 70048 |
40204 | 70052 | 525 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 70020 | 69781 | 59695 | 25 | 40100 | 30103 | 10001 | 30100 | 10000 | 616005 | 3341470 | 0 | 49 | 66955 | 70050 | 70050 | 64631 | 3 | 64938 | 40310 | 30200 | 10000 | 60200 | 10000 | 70035 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 1 | 10000 | 27 | 0 | 10000 | 1 | 0 | 1 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30003 | 0 | 0 | 9 | 10000 | 30100 | 70051 | 70051 | 70036 | 70036 | 70101 |
40204 | 70050 | 524 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70035 | 69764 | 59709 | 25 | 40104 | 30103 | 10001 | 30100 | 10000 | 616175 | 3342062 | 0 | 49 | 66970 | 70050 | 70050 | 64631 | 3 | 64938 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 1 | 10000 | 29 | 0 | 10000 | 1 | 0 | 0 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69798 | 30003 | 0 | 6 | 9 | 10000 | 30100 | 70051 | 70051 | 70051 | 70051 | 70077 |
40204 | 70050 | 524 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 70035 | 69786 | 59709 | 25 | 40100 | 30103 | 10000 | 30100 | 10000 | 616609 | 3342110 | 0 | 49 | 66967 | 70050 | 70050 | 64646 | 3 | 64950 | 40100 | 30200 | 10000 | 60200 | 10000 | 70050 | 35 | 1 | 1 | 40201 | 100 | 99 | 100 | 10000 | 30100 | 10000 | 0 | 100 | 10000 | 0 | 10000 | 51 | 0 | 10000 | 1 | 0 | 0 | 0 | 0 | 0 | 2610 | 1 | 71 | 1 | 1 | 69813 | 30003 | 9 | 6 | 0 | 10000 | 30100 | 70051 | 70051 | 70036 | 70051 | 70081 |
Result (median cycles for code, minus 3 chain cycles): 4.0056
retire uop (01) | cycle (02) | 03 | l1d tlb fill (05) | mmu table walk data (08) | 09 | l2 tlb miss data (0b) | 0e | 0f | 1e | 22 | 23 | 3a | 3f | 4d | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule ldst uop (55) | dispatch int uop (56) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map int uop inputs (7f) | map ldst uop inputs (80) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int load (95) | inst int alu (97) | inst ldst (9b) | 9d | 9f | l1d tlb access (a0) | l1d tlb miss (a1) | l1d cache miss ld (a3) | ld unit uop (a6) | st unit uop (a7) | l1d cache writeback (a8) | a9 | ac | af | b5 | bb | l1d cache miss ld nonspec (bf) | l1d tlb miss nonspec (c1) | c2 | cf | d2 | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ea | eb | ec | ? ldst retires (ed) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
40025 | 70056 | 524 | 1 | 0 | 0 | 1 | 1 | 0 | 221 | 1 | 0 | 0 | 70041 | 69780 | 59715 | 25 | 40018 | 30016 | 10002 | 30010 | 10000 | 617036 | 3342494 | 0 | 49 | 66973 | 70056 | 70056 | 64671 | 3 | 64966 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 1 | 10 | 10001 | 1 | 0 | 10001 | 0 | 1 | 0 | 1 | 10000 | 1 | 1 | 1 | 1 | 2 | 2520 | 0 | 1 | 71 | 1 | 1 | 69816 | 30003 | 9 | 6 | 0 | 10000 | 30010 | 70042 | 70057 | 70057 | 70054 | 70057 |
40025 | 70056 | 524 | 1 | 1 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 1 | 70041 | 69780 | 59701 | 25 | 40018 | 30016 | 10002 | 30010 | 10000 | 616995 | 3342494 | 0 | 49 | 66976 | 70041 | 70041 | 64659 | 3 | 64981 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 2 | 1 | 10002 | 0 | 0 | 1 | 1 | 10000 | 1 | 1 | 0 | 1 | 1 | 2520 | 0 | 1 | 71 | 1 | 1 | 69818 | 30006 | 9 | 9 | 9 | 10000 | 30010 | 70057 | 70057 | 70057 | 70057 | 70057 |
40024 | 70056 | 524 | 1 | 0 | 1 | 0 | 0 | 0 | 44 | 0 | 0 | 1 | 70041 | 69780 | 59701 | 25 | 40014 | 30016 | 10002 | 30010 | 10000 | 616995 | 3342494 | 1 | 49 | 66976 | 70056 | 70056 | 64674 | 3 | 64981 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10002 | 1 | 1 | 10002 | 0 | 0 | 0 | 1 | 10000 | 1 | 1 | 1 | 1 | 0 | 2520 | 0 | 1 | 71 | 1 | 1 | 69824 | 30006 | 0 | 6 | 9 | 10000 | 30010 | 70057 | 70057 | 70057 | 70042 | 70057 |
40024 | 70056 | 525 | 1 | 1 | 0 | 0 | 0 | 0 | 38 | 0 | 0 | 0 | 70026 | 69777 | 59701 | 25 | 40014 | 30016 | 10002 | 30010 | 10000 | 617036 | 3342494 | 0 | 49 | 66961 | 70061 | 70056 | 64758 | 3 | 64981 | 40010 | 30020 | 10000 | 60020 | 10000 | 70053 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 3 | 0 | 10001 | 0 | 1 | 1 | 4 | 10000 | 0 | 1 | 1 | 1 | 2 | 2520 | 0 | 1 | 71 | 1 | 2 | 69819 | 30006 | 6 | 9 | 0 | 10000 | 30010 | 70057 | 70054 | 70054 | 70054 | 70042 |
40024 | 70056 | 525 | 1 | 0 | 1 | 1 | 0 | 0 | 49 | 0 | 0 | 0 | 70041 | 69702 | 59701 | 25 | 40014 | 30016 | 10002 | 30010 | 10000 | 617036 | 3342494 | 0 | 49 | 66984 | 70056 | 70056 | 64671 | 3 | 64981 | 40010 | 30020 | 10000 | 60020 | 10000 | 70041 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 2 | 1 | 10001 | 0 | 0 | 0 | 1 | 10000 | 1 | 1 | 1 | 1 | 1 | 2520 | 0 | 1 | 71 | 1 | 1 | 69819 | 30006 | 9 | 9 | 6 | 10000 | 30010 | 70057 | 70057 | 70057 | 70054 | 70054 |
40024 | 70056 | 525 | 1 | 1 | 1 | 1 | 0 | 0 | 38 | 0 | 0 | 0 | 70041 | 69780 | 59715 | 25 | 40018 | 30016 | 10002 | 30010 | 10000 | 617036 | 3342494 | 0 | 49 | 66976 | 70056 | 70041 | 64671 | 3 | 64966 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 2 | 0 | 10001 | 0 | 0 | 1 | 1 | 10000 | 1 | 1 | 1 | 1 | 2 | 2520 | 0 | 1 | 71 | 1 | 1 | 69819 | 30003 | 9 | 6 | 0 | 10000 | 30010 | 70062 | 70058 | 70054 | 70057 | 70057 |
40024 | 70054 | 525 | 1 | 0 | 1 | 1 | 0 | 0 | 68 | 1 | 0 | 0 | 70038 | 69702 | 59701 | 25 | 40014 | 30016 | 10002 | 30010 | 10000 | 617009 | 3342350 | 0 | 49 | 66976 | 70056 | 70041 | 64671 | 3 | 64978 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 2 | 1 | 10001 | 0 | 0 | 1 | 1 | 10000 | 1 | 1 | 1 | 1 | 1 | 2520 | 0 | 1 | 71 | 1 | 1 | 69804 | 30003 | 9 | 0 | 6 | 10000 | 30010 | 70054 | 70042 | 70158 | 70057 | 70057 |
40024 | 70041 | 525 | 1 | 1 | 0 | 1 | 0 | 0 | 59 | 1 | 0 | 1 | 70041 | 69702 | 59701 | 25 | 40018 | 30016 | 10001 | 30010 | 10000 | 617009 | 3342494 | 0 | 49 | 66961 | 70056 | 70041 | 64671 | 3 | 65036 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 3 | 1 | 10002 | 0 | 0 | 1 | 1 | 10000 | 1 | 1 | 1 | 1 | 0 | 2520 | 0 | 2 | 71 | 1 | 1 | 69819 | 30006 | 0 | 9 | 9 | 10000 | 30010 | 70057 | 70042 | 70057 | 70042 | 70057 |
40024 | 70056 | 525 | 1 | 1 | 1 | 1 | 0 | 0 | 40 | 0 | 0 | 0 | 70041 | 69780 | 59701 | 25 | 40018 | 30016 | 10002 | 30010 | 10000 | 617036 | 3342494 | 1 | 49 | 66961 | 70056 | 70056 | 64671 | 24 | 64966 | 40010 | 30020 | 10000 | 60020 | 10000 | 70041 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 1 | 0 | 10002 | 0 | 0 | 0 | 1 | 10000 | 1 | 1 | 1 | 1 | 0 | 2520 | 0 | 1 | 71 | 1 | 1 | 69819 | 30006 | 6 | 9 | 6 | 10000 | 30010 | 70057 | 70042 | 70058 | 70042 | 70057 |
40024 | 70056 | 524 | 1 | 1 | 0 | 1 | 0 | 0 | 35 | 1 | 0 | 0 | 70026 | 69702 | 59715 | 25 | 40018 | 30016 | 10002 | 30010 | 10000 | 616995 | 3342494 | 1 | 49 | 66976 | 70056 | 70041 | 64767 | 3 | 64966 | 40010 | 30020 | 10000 | 60020 | 10000 | 70056 | 35 | 1 | 1 | 40021 | 10 | 9 | 10 | 10000 | 30010 | 10000 | 0 | 10 | 10001 | 1 | 1 | 10003 | 0 | 1 | 0 | 4 | 10000 | 0 | 1 | 1 | 1 | 0 | 2520 | 0 | 2 | 71 | 1 | 1 | 69819 | 30003 | 0 | 6 | 9 | 10000 | 30010 | 70057 | 70057 | 70042 | 70057 | 70054 |
Count: 8
Code:
ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1] ldursb x0, [x6, #1]
mov x7, x6 mov x8, x6 mov x9, x6 mov x10, x6 mov x11, x6 mov x12, x6 mov x13, x6
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.3340
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 0e | 0f | 18 | 1e | 22 | 23 | 3a | 3f | 43 | 46 | 49 | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule ldst uop (55) | dispatch int uop (56) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | 69 | 6a | 6b | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map int uop inputs (7f) | map ldst uop inputs (80) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int load (95) | inst int alu (97) | inst ldst (9b) | 9d | 9f | l1d tlb access (a0) | l1d cache miss ld (a3) | ld unit uop (a6) | l1d cache writeback (a8) | ac | af | b5 | b6 | bb | l1d cache miss ld nonspec (bf) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ea | eb | ec | ? ldst retires (ed) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80205 | 26723 | 200 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 26707 | 0 | 18 | 18 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1167808 | 49 | 23627 | 3 | 26828 | 26742 | 16659 | 3 | 16665 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 1 | 100 | 80000 | 39 | 80000 | 0 | 35 | 80036 | 6 | 1 | 35 | 0 | 5110 | 1 | 16 | 1 | 1 | 26730 | 0 | 6 | 6 | 0 | 80000 | 100 | 26723 | 26708 | 26723 | 26708 | 26708 |
80204 | 26707 | 200 | 0 | 1 | 0 | 0 | 41 | 0 | 0 | 0 | 26707 | 2 | 18 | 12 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23642 | 0 | 26707 | 26722 | 16645 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 56 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80035 | 1 | 35 | 80035 | 6 | 1 | 0 | 39 | 5111 | 1 | 16 | 1 | 1 | 26723 | 0 | 0 | 6 | 0 | 80000 | 100 | 26723 | 26723 | 26723 | 26723 | 26723 |
80204 | 26722 | 200 | 0 | 0 | 0 | 0 | 41 | 1 | 0 | 1 | 26707 | 2 | 0 | 12 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23627 | 0 | 26707 | 26722 | 16645 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 1 | 100 | 80000 | 0 | 80035 | 0 | 35 | 80000 | 6 | 1 | 35 | 39 | 5110 | 1 | 16 | 2 | 3 | 26726 | 0 | 0 | 6 | 2 | 80000 | 100 | 26723 | 26723 | 26723 | 26723 | 26723 |
80204 | 26707 | 200 | 0 | 0 | 0 | 0 | 41 | 1 | 0 | 1 | 26707 | 2 | 0 | 18 | 12 | 49 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1167808 | 49 | 23627 | 0 | 26722 | 26707 | 16645 | 3 | 16665 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80000 | 0 | 35 | 80035 | 6 | 1 | 35 | 39 | 5110 | 1 | 16 | 2 | 1 | 26704 | 0 | 6 | 0 | 2 | 80000 | 100 | 26723 | 26723 | 26708 | 26708 | 26708 |
80204 | 26722 | 200 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 0 | 26707 | 2 | 18 | 18 | 0 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23627 | 0 | 26722 | 26707 | 16645 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 56 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 0 | 80035 | 0 | 35 | 80000 | 0 | 1 | 36 | 0 | 5110 | 2 | 16 | 1 | 1 | 26719 | 0 | 0 | 6 | 2 | 80000 | 100 | 26708 | 26723 | 26708 | 26723 | 26728 |
80204 | 26707 | 200 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 1 | 26707 | 2 | 0 | 18 | 0 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23642 | 0 | 26707 | 26722 | 16630 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80035 | 0 | 0 | 80035 | 6 | 0 | 0 | 43 | 5111 | 1 | 16 | 1 | 1 | 26723 | 0 | 6 | 6 | 2 | 80000 | 100 | 26723 | 26708 | 26723 | 26723 | 26723 |
80204 | 26707 | 200 | 0 | 0 | 0 | 0 | 41 | 1 | 0 | 1 | 26707 | 0 | 18 | 0 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23642 | 0 | 26707 | 26707 | 16645 | 14 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26876 | 72 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80035 | 0 | 0 | 80000 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 26732 | 0 | 6 | 6 | 0 | 80000 | 100 | 26708 | 26708 | 26723 | 26723 | 26723 |
80204 | 26722 | 200 | 0 | 0 | 0 | 0 | 41 | 1 | 0 | 0 | 26707 | 2 | 0 | 18 | 0 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166818 | 49 | 23642 | 0 | 26707 | 26707 | 16645 | 3 | 16665 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80035 | 0 | 0 | 80035 | 6 | 1 | 0 | 0 | 5110 | 1 | 16 | 3 | 1 | 26781 | 0 | 6 | 6 | 0 | 80000 | 100 | 26723 | 26723 | 26723 | 26723 | 26723 |
80204 | 26722 | 200 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 0 | 26707 | 2 | 0 | 0 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1167808 | 49 | 23647 | 0 | 26722 | 26722 | 16630 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80035 | 0 | 0 | 80035 | 6 | 1 | 35 | 39 | 5110 | 1 | 16 | 1 | 1 | 26719 | 0 | 6 | 6 | 2 | 80000 | 100 | 26723 | 26723 | 26723 | 26708 | 26723 |
80204 | 26707 | 200 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 26692 | 2 | 18 | 0 | 12 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 1166525 | 49 | 23627 | 0 | 26722 | 26722 | 16630 | 3 | 16680 | 80100 | 200 | 80000 | 200 | 80000 | 26722 | 71 | 1 | 1 | 80201 | 100 | 99 | 100 | 80000 | 100 | 80000 | 0 | 100 | 80000 | 39 | 80000 | 0 | 39 | 80000 | 6 | 1 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 26719 | 0 | 6 | 0 | 0 | 80000 | 100 | 26723 | 26708 | 26708 | 26723 | 26723 |
Result (median cycles for code divided by count): 0.3341
retire uop (01) | cycle (02) | 03 | 0e | 0f | 1e | 22 | 3a | 3f | 43 | 46 | 49 | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule ldst uop (55) | dispatch int uop (56) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | 5f | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map int uop inputs (7f) | map ldst uop inputs (80) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int load (95) | inst int alu (97) | inst ldst (9b) | 9d | 9f | l1d tlb access (a0) | l1d cache miss ld (a3) | ld unit uop (a6) | l1d cache writeback (a8) | ac | af | b5 | b6 | bb | l1d cache miss ld nonspec (bf) | branch mispred nonspec (cb) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ea | eb | ec | ? ldst retires (ed) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80025 | 26727 | 200 | 0 | 1 | 59 | 1 | 0 | 26886 | 0 | 12 | 12 | 19 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1166750 | 1 | 1 | 49 | 23651 | 26708 | 26799 | 16891 | 3 | 16718 | 80010 | 20 | 80000 | 20 | 80000 | 26731 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 1 | 10 | 80000 | 43 | 80039 | 0 | 38 | 80038 | 6 | 1 | 0 | 0 | 0 | 5020 | 13 | 16 | 17 | 13 | 26725 | 10 | 10 | 4 | 80000 | 10 | 26709 | 26729 | 26728 | 26728 | 26728 |
80024 | 26728 | 200 | 0 | 0 | 59 | 0 | 1 | 26712 | 2 | 0 | 12 | 19 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1167124 | 0 | 1 | 49 | 23628 | 26732 | 26727 | 16672 | 3 | 16713 | 80010 | 20 | 80000 | 20 | 80000 | 26727 | 77 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80038 | 0 | 38 | 80038 | 6 | 0 | 0 | 0 | 0 | 5020 | 13 | 16 | 19 | 15 | 26728 | 14 | 14 | 7 | 80000 | 10 | 26729 | 26709 | 26732 | 26709 | 26732 |
80024 | 26727 | 200 | 0 | 0 | 15 | 1 | 1 | 26716 | 0 | 1 | 1 | 19 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1166896 | 0 | 0 | 49 | 23651 | 26708 | 26727 | 16693 | 3 | 16813 | 80010 | 20 | 80000 | 20 | 80000 | 26727 | 77 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80038 | 0 | 0 | 80038 | 0 | 1 | 39 | 43 | 0 | 5020 | 11 | 16 | 12 | 16 | 26728 | 0 | 14 | 7 | 80000 | 10 | 26732 | 26709 | 26728 | 26728 | 26709 |
80024 | 26731 | 200 | 0 | 0 | 269 | 1 | 1 | 26859 | 0 | 12 | 12 | 0 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1166750 | 0 | 1 | 49 | 23647 | 26731 | 26731 | 16672 | 3 | 16713 | 80010 | 20 | 80000 | 20 | 80000 | 26731 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80038 | 0 | 43 | 80038 | 6 | 1 | 0 | 43 | 0 | 5020 | 17 | 16 | 12 | 13 | 26766 | 14 | 14 | 7 | 80000 | 10 | 26728 | 26732 | 26729 | 26729 | 26709 |
80024 | 26708 | 201 | 0 | 0 | 47 | 0 | 0 | 26716 | 0 | 1 | 0 | 19 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1168843 | 0 | 1 | 49 | 23648 | 26708 | 26708 | 16672 | 3 | 16695 | 80010 | 20 | 80000 | 20 | 80000 | 26728 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 0 | 80038 | 0 | 0 | 80038 | 6 | 1 | 38 | 43 | 0 | 5020 | 11 | 16 | 13 | 10 | 26728 | 14 | 0 | 7 | 80000 | 10 | 26709 | 26709 | 26709 | 26732 | 26709 |
80024 | 26731 | 200 | 0 | 0 | 59 | 0 | 0 | 26780 | 2 | 12 | 12 | 21 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1167201 | 0 | 1 | 49 | 23651 | 26731 | 26731 | 16672 | 3 | 16719 | 80010 | 20 | 80000 | 20 | 80000 | 26731 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80038 | 0 | 38 | 80038 | 6 | 1 | 39 | 0 | 0 | 5020 | 13 | 16 | 14 | 14 | 26725 | 14 | 14 | 0 | 80000 | 10 | 26729 | 26732 | 26732 | 26732 | 26732 |
80024 | 26727 | 200 | 1 | 1 | 33 | 1 | 1 | 26713 | 2 | 0 | 1 | 0 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1167124 | 0 | 1 | 49 | 23628 | 26708 | 26731 | 16672 | 3 | 16695 | 80010 | 20 | 80000 | 20 | 80000 | 26731 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80039 | 0 | 39 | 80039 | 6 | 1 | 39 | 0 | 0 | 5020 | 16 | 16 | 14 | 16 | 26705 | 10 | 10 | 4 | 80000 | 10 | 26728 | 26709 | 26728 | 26709 | 26729 |
80024 | 26731 | 201 | 0 | 0 | 60 | 0 | 1 | 26693 | 0 | 1 | 1 | 19 | 25 | 80010 | 10 | 80000 | 10 | 80198 | 50 | 1167201 | 1 | 1 | 49 | 23651 | 26731 | 26708 | 16672 | 3 | 16716 | 80010 | 20 | 80000 | 20 | 80000 | 26731 | 80 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80000 | 0 | 38 | 80000 | 6 | 1 | 39 | 44 | 0 | 5020 | 12 | 16 | 13 | 16 | 26725 | 0 | 0 | 7 | 80000 | 10 | 26729 | 26729 | 26732 | 26728 | 26709 |
80024 | 26731 | 200 | 0 | 0 | 0 | 0 | 1 | 26716 | 2 | 1 | 1 | 16 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1167201 | 0 | 1 | 49 | 23651 | 26728 | 26708 | 16672 | 3 | 16707 | 80010 | 20 | 80000 | 20 | 80000 | 26708 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 0 | 80000 | 0 | 38 | 80038 | 6 | 1 | 39 | 44 | 0 | 5020 | 16 | 16 | 12 | 16 | 26724 | 10 | 10 | 0 | 80000 | 10 | 26709 | 26732 | 26732 | 26728 | 26709 |
80024 | 26728 | 200 | 0 | 0 | 24 | 1 | 1 | 26693 | 2 | 1 | 0 | 0 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 1167124 | 0 | 1 | 49 | 23647 | 26727 | 26708 | 16672 | 3 | 16715 | 80010 | 20 | 80000 | 20 | 80000 | 26728 | 56 | 1 | 1 | 80021 | 10 | 9 | 10 | 80000 | 10 | 80000 | 0 | 10 | 80000 | 43 | 80039 | 0 | 0 | 80040 | 0 | 0 | 39 | 0 | 0 | 5020 | 18 | 16 | 14 | 17 | 26705 | 7 | 10 | 7 | 80000 | 10 | 26709 | 26728 | 26709 | 26729 | 26728 |