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:
fcvtas x0, s0
mov x0, 1 mov x1, 2
(no loop instructions)
Retires: 2.000
Issues: 3.000
Integer unit issues: 1.000
Load/store unit issues: 0.000
SIMD/FP unit issues: 2.000
retire uop (01) | cycle (02) | 03 | 18 | 19 | 1e | 3f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | dispatch simd uop (57) | ldst uops in schedulers (5b) | 60 | 69 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map simd uop (7e) | map simd uop inputs (81) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst int alu (97) | l1d tlb miss (a1) | ld unit uop (a6) | l1d cache writeback (a8) | ac | cf | d2 | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
2004 | 541 | 5 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 5 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 5 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 0 | 1 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
2004 | 541 | 4 | 0 | 0 | 0 | 43 | 25 | 3000 | 1000 | 2000 | 2000 | 18000 | 0 | 522 | 541 | 541 | 248 | 3 | 274 | 2000 | 2000 | 2000 | 541 | 541 | 1 | 1 | 1001 | 1000 | 0 | 1 | 0 | 0 | 73 | 0 | 1 | 16 | 1 | 1 | 538 | 1000 | 1000 | 1000 | 542 | 542 | 542 | 542 | 542 |
Code:
fcvtas x0, s0 fmov d0, x0
mov x0, 1 mov x1, 2
(fused SUBS/B.cc loop)
Result (median cycles for code): 13.0038
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 09 | 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 | 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 miss (a1) | ld unit uop (a6) | l1d cache writeback (a8) | ac | c2 | 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 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 130054 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 1 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130062 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130038 | 130110 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130046 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 204 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 511 | 6215075 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130042 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 4 | 10007 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 3 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 6 | 6 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129527 | 10000 | 10000 | 10000 | 10100 | 130041 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130038 | 130038 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130243 | 119455 | 25 | 40124 | 10100 | 20003 | 10000 | 100 | 20000 | 10000 | 500 | 6215027 | 14807344 | 1 | 130016 | 130040 | 130038 | 125478 | 3 | 126246 | 30266 | 200 | 10000 | 20122 | 200 | 10061 | 20000 | 130038 | 130039 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 5 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130040 |
30204 | 130038 | 983 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 130023 | 119417 | 25 | 40100 | 10100 | 20000 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130041 | 130116 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20729 | 200 | 10000 | 20122 | 130040 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1329 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130124 |
30204 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 130025 | 119417 | 25 | 40100 | 10100 | 20003 | 10000 | 100 | 20000 | 10000 | 500 | 6214979 | 14801034 | 1 | 130013 | 130132 | 130040 | 125476 | 3 | 126246 | 30100 | 200 | 10000 | 20000 | 200 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20201 | 100 | 99 | 100 | 10100 | 10000 | 100 | 0 | 10000 | 0 | 0 | 0 | 1310 | 1 | 2 | 16 | 2 | 2 | 129525 | 10000 | 10000 | 10000 | 10100 | 130039 | 130039 | 130039 | 130039 | 130039 |
Result (median cycles for code): 13.0038
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 18 | 19 | 1e | 1f | 3a | 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) | 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 | c2 | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | e2 | ? int output thing (e9) | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30024 | 130038 | 1070 | 0 | 0 | 0 | 24 | 0 | 0 | 130023 | 119417 | 38 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 0 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20132 | 130051 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 2 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130040 | 130039 | 130039 | 130040 | 130039 |
30024 | 130038 | 1008 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119415 | 25 | 40010 | 10010 | 20000 | 10000 | 12 | 20000 | 10000 | 50 | 6215445 | 14802850 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30181 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 1008 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 6 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 1007 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6215075 | 14800025 | 0 | 130016 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 2 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 1008 | 0 | 0 | 0 | 0 | 0 | 0 | 130029 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 2 | 10000 | 0 | 0 | 4338 | 0 | 1305 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130040 | 130039 | 130039 |
30024 | 130038 | 1008 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130041 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 1 | 0 | 0 | 0 | 1270 | 1 | 16 | 2 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 1008 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 0 | 130013 | 130038 | 130038 | 125498 | 3 | 126271 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6215445 | 14800025 | 0 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119418 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130039 | 130039 | 130039 | 130039 |
30024 | 130038 | 974 | 0 | 0 | 0 | 0 | 0 | 0 | 130023 | 119417 | 25 | 40010 | 10010 | 20000 | 10000 | 10 | 20000 | 10000 | 50 | 6214979 | 14800025 | 1 | 130013 | 130038 | 130038 | 125498 | 3 | 126268 | 30010 | 20 | 10000 | 20000 | 20 | 10000 | 20000 | 130038 | 130038 | 1 | 1 | 20021 | 10 | 9 | 10 | 10010 | 10000 | 10 | 0 | 0 | 10000 | 0 | 0 | 0 | 0 | 1270 | 1 | 16 | 1 | 1 | 129525 | 0 | 10000 | 10000 | 10000 | 10010 | 130039 | 130063 | 130039 | 130075 | 130054 |
Count: 8
Code:
fcvtas x0, s8 fcvtas x1, s8 fcvtas x2, s8 fcvtas x3, s8 fcvtas x4, s8 fcvtas x5, s8 fcvtas x6, s8 fcvtas x7, s8
mov x8, 9
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.5006
retire uop (01) | cycle (02) | 03 | mmu table walk instruction (07) | mmu table walk data (08) | l2 tlb miss instruction (0a) | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3a | 3f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | dispatch int uop (56) | dispatch simd uop (57) | int uops in schedulers (59) | ldst uops in schedulers (5b) | 60 | 69 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | 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 ldst (9b) | 9f | l1d tlb access (a0) | l1d tlb miss (a1) | l1d cache writeback (a8) | a9 | ac | c2 | 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) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
160204 | 40041 | 310 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 222 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40083 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 15 | 0 | 1 | 1 | 1 | 5119 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 311 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160850 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 117 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 311 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 99 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 1 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 310 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 126 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 310 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 311 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 310 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 310 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 2 | 0 | 72 | 0 | 0 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 311 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 0 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 71 | 0 | 0 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
160204 | 40041 | 310 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 412 | 25 | 240104 | 80100 | 160004 | 100 | 160020 | 500 | 1440132 | 1 | 40022 | 40041 | 40041 | 19977 | 6 | 19992 | 160120 | 200 | 160032 | 200 | 160032 | 40041 | 40041 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 0 | 100 | 0 | 0 | 72 | 0 | 0 | 0 | 1 | 1 | 1 | 5117 | 0 | 16 | 0 | 0 | 40038 | 80000 | 80000 | 80100 | 40042 | 40042 | 40042 | 40042 | 40042 |
Result (median cycles for code divided by count): 0.5005
retire uop (01) | cycle (02) | 03 | 1e | 3f | 51 | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | dispatch int uop (56) | dispatch simd uop (57) | int uops in schedulers (59) | ldst uops in schedulers (5b) | 60 | 61 | 69 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | 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) | 9f | ld unit uop (a6) | st unit uop (a7) | l1d cache writeback (a8) | ac | cf | d0 | d2 | d5 | map dispatch bubble (d6) | da | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
160024 | 40042 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1443608 | 1 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 2 | 0 | 2 | 147 | 5020 | 0 | 0 | 2 | 16 | 0 | 3 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 0 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 153 | 5020 | 0 | 1 | 2 | 16 | 0 | 4 | 4 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 0 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 5020 | 5 | 1 | 4 | 16 | 0 | 3 | 3 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 0 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 171 | 5020 | 5 | 1 | 2 | 16 | 0 | 3 | 3 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 0 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 144 | 5020 | 0 | 0 | 2 | 16 | 0 | 2 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 1 | 5 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 9 | 5020 | 5 | 1 | 3 | 16 | 0 | 3 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 323 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 1 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 99 | 5020 | 5 | 1 | 3 | 16 | 0 | 3 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 0 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 3 | 5020 | 5 | 1 | 2 | 16 | 0 | 2 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 1 | 5 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 18 | 5020 | 5 | 1 | 2 | 16 | 0 | 2 | 3 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |
160024 | 40041 | 300 | 0 | 42 | 25 | 240010 | 80010 | 160000 | 10 | 160000 | 50 | 1440000 | 1 | 0 | 40022 | 40041 | 40041 | 19996 | 3 | 20021 | 160010 | 20 | 160000 | 20 | 160000 | 40041 | 40041 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 141 | 5020 | 5 | 1 | 4 | 16 | 0 | 4 | 2 | 40038 | 80000 | 80000 | 80010 | 40042 | 40042 | 40042 | 40042 | 40042 |