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:
scvtf h0, x0, #3
mov x0, 1 mov x1, 2
(no loop instructions)
Retires: 2.000
Issues: 2.000
Integer unit issues: 0.000
Load/store unit issues: 1.000
SIMD/FP unit issues: 1.000
retire uop (01) | cycle (02) | 03 | 1e | 3f | 4f | 51 | schedule uop (52) | schedule simd uop (54) | schedule ldst uop (55) | dispatch simd uop (57) | dispatch ldst uop (58) | simd uops in schedulers (5a) | ldst uops in schedulers (5b) | 60 | 69 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map ldst uop (7d) | map simd uop (7e) | map ldst uop inputs (80) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst simd alu (9a) | ld unit uop (a6) | l1d cache writeback (a8) | ac | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? ldst retires (ed) | ? simd retires (ee) | f5 | f6 | f7 | f8 | fd |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 1 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 1 | 0 | 73 | 3 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 379 | 377 | 377 | 377 |
2004 | 376 | 2 | 0 | 365 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22911 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 377 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 379 | 377 | 377 | 377 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 374 | 1000 | 1000 | 377 | 377 | 377 | 380 | 379 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 2 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 377 | 377 | 377 | 382 |
2004 | 376 | 3 | 0 | 361 | 0 | 25 | 2000 | 1000 | 1000 | 1000 | 1000 | 14075 | 22820 | 0 | 357 | 376 | 376 | 72 | 3 | 109 | 2000 | 1000 | 1000 | 1000 | 1000 | 376 | 376 | 1 | 1 | 1001 | 1000 | 1000 | 0 | 0 | 73 | 2 | 16 | 2 | 2 | 373 | 1000 | 1000 | 377 | 378 | 377 | 377 | 384 |
Code:
scvtf h0, x0, #3 fmov x0, d0
mov x0, 1 mov x1, 2
(fused SUBS/B.cc loop)
Result (median cycles for code): 13.0032
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3f | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | schedule ldst uop (55) | dispatch int uop (56) | dispatch simd uop (57) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | ldst uops in schedulers (5b) | 60 | 69 | 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 simd uop (7e) | map int uop inputs (7f) | map ldst uop inputs (80) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int alu (97) | inst simd alu (9a) | 9f | l1d tlb access (a0) | l1d tlb miss (a1) | ld unit uop (a6) | l1d cache writeback (a8) | a9 | ac | branch cond mispred nonspec (c5) | cd | cf | d0 | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30204 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119607 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10049 | 500 | 6214497 | 14802709 | 1 | 130013 | 0 | 130032 | 130033 | 125466 | 3 | 126240 | 30429 | 204 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 0 | 0 | 3 | 0 | 0 | 1330 | 1 | 2 | 16 | 2 | 2 | 129524 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130036 | 130033 | 130033 |
30204 | 131899 | 994 | 0 | 1 | 0 | 1 | 0 | 0 | 130017 | 119556 | 112 | 40179 | 10117 | 20003 | 10000 | 124 | 20000 | 10000 | 500 | 6216882 | 14802709 | 0 | 130013 | 0 | 131109 | 130349 | 125466 | 9 | 126556 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 2 | 2 | 10000 | 0 | 0 | 16793 | 0 | 0 | 1366 | 1 | 2 | 67 | 2 | 3 | 129523 | 10027 | 10000 | 10000 | 10100 | 130033 | 130128 | 130033 | 130033 | 130033 |
30204 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119411 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6216632 | 14807957 | 0 | 130013 | 0 | 130365 | 130033 | 125466 | 3 | 126240 | 30100 | 212 | 10000 | 20488 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 1 | 0 | 10000 | 0 | 0 | 6 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129599 | 10000 | 10000 | 10000 | 10100 | 130582 | 130033 | 130033 | 130033 | 130033 |
30204 | 130032 | 974 | 0 | 0 | 1 | 0 | 12 | 0 | 130191 | 119408 | 47 | 40100 | 10100 | 20000 | 10002 | 100 | 20000 | 10000 | 500 | 6217014 | 14802709 | 0 | 130013 | 0 | 130032 | 130032 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 1 | 0 | 3 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 3 | 129519 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130132 | 130033 | 130036 |
30204 | 130574 | 974 | 0 | 0 | 7 | 0 | 0 | 0 | 130017 | 119453 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214785 | 14802709 | 0 | 130015 | 0 | 130035 | 130033 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130035 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 0 | 1335 | 1 | 2 | 16 | 3 | 2 | 129583 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130033 | 130033 | 130033 |
30204 | 130032 | 974 | 0 | 0 | 0 | 0 | 144 | 0 | 130017 | 119408 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214497 | 14802709 | 0 | 130013 | 0 | 130032 | 130032 | 125466 | 3 | 126243 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130034 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 4 | 10000 | 2 | 2 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129520 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130034 | 130033 | 130033 |
30204 | 130034 | 974 | 0 | 0 | 0 | 0 | 27 | 0 | 130018 | 119408 | 108 | 40100 | 10100 | 20003 | 10002 | 100 | 20000 | 10000 | 500 | 6214497 | 14803051 | 0 | 130014 | 0 | 130032 | 130116 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130033 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 1 | 0 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 3 | 129599 | 10030 | 10000 | 10000 | 10100 | 130033 | 130122 | 130033 | 130130 | 130033 |
30204 | 130032 | 985 | 1 | 1 | 26 | 2 | 12 | 0 | 130017 | 119408 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214497 | 14802709 | 1 | 130015 | 0 | 130032 | 130032 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130033 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 1 | 0 | 3 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129521 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130034 | 130033 | 130033 |
30204 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130018 | 119409 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214641 | 14802931 | 1 | 130013 | 0 | 130032 | 130032 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 1 | 0 | 3 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129519 | 10000 | 10000 | 10000 | 10100 | 130033 | 130033 | 130034 | 130034 | 130033 |
30204 | 130032 | 974 | 0 | 0 | 0 | 0 | 21 | 0 | 130017 | 119408 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214497 | 14802709 | 1 | 130013 | 0 | 130035 | 130034 | 125466 | 3 | 126240 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 0 | 10000 | 1 | 0 | 0 | 0 | 0 | 1310 | 1 | 3 | 17 | 2 | 2 | 129519 | 10000 | 10000 | 10000 | 10100 | 130037 | 130034 | 130033 | 130034 | 130033 |
Result (median cycles for code): 13.0032
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3f | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | schedule ldst uop (55) | dispatch int uop (56) | dispatch simd uop (57) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | ldst uops in schedulers (5b) | 60 | 69 | 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 simd uop (7e) | map int uop inputs (7f) | map ldst uop inputs (80) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int alu (97) | inst simd alu (9a) | 9f | ld unit uop (a6) | l1d cache writeback (a8) | ac | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30024 | 130034 | 975 | 0 | 0 | 0 | 0 | 12 | 0 | 130017 | 119408 | 47 | 40010 | 10010 | 20003 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800756 | 1 | 130013 | 0 | 130032 | 130032 | 125491 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 3 | 1270 | 1 | 17 | 1 | 1 | 129519 | 10001 | 10000 | 10000 | 10010 | 130125 | 130300 | 130033 | 130124 | 130036 |
30024 | 130033 | 975 | 0 | 1 | 0 | 0 | 12 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214545 | 14800528 | 1 | 130013 | 0 | 130032 | 130033 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130033 | 130035 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 3 | 1270 | 1 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 12 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20003 | 10000 | 10 | 20113 | 10049 | 50 | 6214497 | 14800528 | 1 | 130013 | 0 | 130112 | 130033 | 125492 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 22 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20238 | 10000 | 50 | 6214497 | 14800982 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130035 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214881 | 14800528 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 2 | 129520 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800528 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130133 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800528 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 2 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800528 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129523 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800528 | 1 | 130013 | 0 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 2 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
30024 | 130032 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130017 | 119408 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214497 | 14800528 | 1 | 130013 | 3 | 130032 | 130032 | 125489 | 3 | 126262 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130032 | 130032 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 10000 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129519 | 10000 | 10000 | 10000 | 10010 | 130033 | 130033 | 130033 | 130033 | 130033 |
Count: 8
Code:
scvtf h0, x8, #3 scvtf h1, x8, #3 scvtf h2, x8, #3 scvtf h3, x8, #3 scvtf h4, x8, #3 scvtf h5, x8, #3 scvtf h6, x8, #3 scvtf h7, x8, #3
mov x8, 9
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.3339
retire uop (01) | cycle (02) | 03 | 18 | 19 | 1e | 3f | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | schedule ldst uop (55) | dispatch int uop (56) | dispatch simd uop (57) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | ldst uops in schedulers (5b) | 60 | 69 | 6d | 6e | map stall dispatch (70) | simd prf full (72) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map simd uop (7e) | map int uop inputs (7f) | map ldst uop inputs (80) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int alu (97) | inst simd alu (9a) | 9f | a5 | ld unit uop (a6) | ac | branch cond mispred nonspec (c5) | branch mispred nonspec (cb) | cd | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
160204 | 26711 | 199 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26695 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160136 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26792 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 2 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 1 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80024 | 26753 | 26874 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26709 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 1 | 1 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 199 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 1 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 1 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 1 | 0 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26819 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
160204 | 26709 | 200 | 0 | 1 | 0 | 26694 | 0 | 25 | 160100 | 100 | 80000 | 80000 | 100 | 80020 | 80015 | 500 | 1168951 | 1884163 | 0 | 26690 | 26709 | 26709 | 6632 | 0 | 6 | 6658 | 160135 | 200 | 80020 | 80020 | 200 | 80020 | 80020 | 26709 | 26709 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 80000 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 26706 | 80000 | 80000 | 100 | 26710 | 26710 | 26710 | 26710 | 26710 |
Result (median cycles for code divided by count): 0.3339
retire uop (01) | cycle (02) | 03 | mmu table walk instruction (07) | mmu table walk data (08) | 18 | 19 | 1e | 1f | 3f | 4f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | schedule ldst uop (55) | dispatch int uop (56) | dispatch simd uop (57) | dispatch ldst uop (58) | int uops in schedulers (59) | simd uops in schedulers (5a) | ldst uops in schedulers (5b) | 69 | 6d | 6e | map stall dispatch (70) | simd prf full (72) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map ldst uop (7d) | map simd uop (7e) | map int uop inputs (7f) | map ldst uop inputs (80) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst branch (8d) | inst branch taken (90) | inst branch cond (94) | inst int alu (97) | inst simd alu (9a) | 9f | l1d tlb access (a0) | l1d tlb miss (a1) | a5 | ld unit uop (a6) | l1d cache writeback (a8) | a9 | ac | c2 | cf | l1i cache miss demand (d3) | l1i tlb miss demand (d4) | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
160024 | 26712 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26694 | 0 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1168273 | 1884032 | 26694 | 26713 | 26713 | 6657 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26713 | 26721 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 0 | 0 | 0 | 0 | 5020 | 0 | 0 | 7 | 16 | 5 | 5 | 26710 | 80000 | 80000 | 10 | 26710 | 26714 | 26710 | 26715 | 26710 |
160024 | 26709 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1168880 | 1884032 | 26694 | 26713 | 26709 | 6653 | 0 | 3 | 6689 | 160010 | 20 | 80381 | 80000 | 20 | 80000 | 80000 | 26713 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 1 | 6 | 16 | 6 | 5 | 26706 | 80000 | 80000 | 10 | 26714 | 26710 | 26715 | 26714 | 26714 |
160024 | 26709 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26702 | 5 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1168880 | 1874466 | 26690 | 26713 | 26713 | 6653 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26714 | 26709 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 1 | 7 | 16 | 5 | 6 | 26706 | 80000 | 80000 | 10 | 27395 | 26715 | 26714 | 26714 | 26884 |
160024 | 26713 | 200 | 0 | 0 | 0 | 0 | 174 | 0 | 26694 | 0 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1167890 | 1880260 | 26690 | 26709 | 26712 | 6656 | 0 | 3 | 6693 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26709 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 0 | 6 | 16 | 5 | 6 | 26706 | 80000 | 80000 | 10 | 26714 | 26714 | 26714 | 26714 | 26714 |
160024 | 26713 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1181647 | 1882853 | 26690 | 27215 | 26716 | 6654 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26709 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 0 | 7 | 16 | 6 | 5 | 26710 | 80000 | 80000 | 10 | 26710 | 26714 | 26714 | 26715 | 26714 |
160024 | 26709 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 26698 | 0 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1168440 | 1884012 | 26690 | 26709 | 26713 | 6653 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26709 | 26714 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 0 | 0 | 0 | 0 | 5020 | 0 | 0 | 5 | 16 | 7 | 7 | 26710 | 80000 | 80000 | 10 | 26714 | 26710 | 26715 | 26710 | 26714 |
160024 | 26709 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1168707 | 1883525 | 26695 | 26709 | 26709 | 6653 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26714 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 0 | 7 | 16 | 7 | 5 | 26709 | 80000 | 80000 | 10 | 26714 | 26710 | 26714 | 26710 | 26714 |
160024 | 26713 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1174994 | 1882854 | 26694 | 26709 | 26709 | 6657 | 0 | 3 | 6693 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26713 | 26714 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 12 | 0 | 5020 | 0 | 0 | 5 | 16 | 6 | 5 | 26711 | 80000 | 80000 | 10 | 26714 | 26714 | 26714 | 26710 | 26715 |
160024 | 26713 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1170493 | 1880794 | 26694 | 26713 | 26709 | 6657 | 0 | 3 | 6689 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26713 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 1 | 0 | 3 | 0 | 5020 | 0 | 0 | 6 | 16 | 6 | 5 | 26706 | 80000 | 80000 | 10 | 26715 | 26714 | 26715 | 26714 | 26714 |
160024 | 26714 | 200 | 0 | 0 | 0 | 0 | 12 | 0 | 26698 | 2 | 25 | 160010 | 10 | 80000 | 80000 | 10 | 80000 | 80000 | 50 | 1157089 | 1884052 | 26694 | 26710 | 26713 | 6653 | 0 | 3 | 6693 | 160010 | 20 | 80000 | 80000 | 20 | 80000 | 80000 | 26709 | 26713 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 80000 | 0 | 0 | 0 | 0 | 5020 | 0 | 0 | 6 | 16 | 4 | 6 | 26710 | 80000 | 80000 | 10 | 26710 | 26714 | 26714 | 26714 | 26714 |