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:
ursra v0.2s, v1.2s, #3
movi v0.16b, 1 movi v1.16b, 2
(no loop instructions)
Retires: 1.000
Issues: 1.000
Integer unit issues: 0.001
Load/store unit issues: 0.000
SIMD/FP unit issues: 1.000
retire uop (01) | cycle (02) | schedule uop (52) | schedule int uop (53) | schedule simd uop (54) | dispatch simd uop (57) | ldst uops in schedulers (5b) | dispatch uop (78) | map simd uop (7e) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
1004 | 3033 | 1001 | 1 | 1000 | 1000 | 75905 | 1000 | 1000 | 2000 | 1 | 1000 |
Code:
ursra v0.2s, v1.2s, #3
movi v0.16b, 1 movi v1.16b, 2
(fused SUBS/B.cc loop)
Result (median cycles for code): 3.1214
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
10204 | 30597 | 10196 | 108 | 10088 | 107 | 10363 | 327 | 778127 | 10669 | 212 | 10672 | 212 | 21268 | 7 | 10000 | 100 |
10204 | 30856 | 10249 | 121 | 10128 | 120 | 10528 | 368 | 778733 | 10714 | 222 | 10718 | 210 | 21202 | 6 | 10000 | 100 |
10204 | 30849 | 10238 | 110 | 10128 | 109 | 10528 | 342 | 778157 | 10674 | 214 | 10676 | 212 | 21292 | 6 | 10000 | 100 |
10204 | 30854 | 10240 | 112 | 10128 | 111 | 10528 | 359 | 778142 | 10679 | 220 | 10669 | 216 | 21376 | 9 | 10000 | 100 |
10204 | 30852 | 10247 | 119 | 10128 | 118 | 10528 | 338 | 777541 | 10639 | 214 | 10637 | 208 | 21362 | 5 | 10000 | 100 |
10204 | 30854 | 10237 | 109 | 10128 | 108 | 10528 | 360 | 778172 | 10679 | 220 | 10678 | 216 | 21424 | 8 | 10000 | 100 |
10204 | 30904 | 10246 | 110 | 10136 | 109 | 10561 | 344 | 779279 | 10741 | 214 | 10761 | 218 | 21268 | 9 | 10000 | 100 |
10204 | 30799 | 10236 | 116 | 10120 | 115 | 10495 | 344 | 777626 | 10641 | 214 | 10639 | 210 | 21196 | 5 | 10000 | 100 |
10204 | 30594 | 10194 | 106 | 10088 | 105 | 10363 | 347 | 778157 | 10675 | 214 | 10676 | 212 | 21364 | 3 | 10000 | 100 |
10204 | 30850 | 10238 | 110 | 10128 | 109 | 10528 | 337 | 775988 | 10540 | 212 | 10520 | 210 | 21194 | 6 | 10000 | 100 |
Result (median cycles for code): 3.0033
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
Code:
ursra v0.2s, v0.2s, #3
movi v0.16b, 1
(fused SUBS/B.cc loop)
Result (median cycles for code): 3.0033
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10205 | 30066 | 10109 | 103 | 10006 | 102 | 10031 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 20008 | 1 | 10000 | 100 |
Result (median cycles for code): 3.0033
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10004 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10004 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20090 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 70 | 768905 | 10020 | 20 | 10000 | 20 | 20000 | 11 | 10000 | 10 |
Count: 8
Code:
movi v0.16b, 0 ursra v0.2s, v8.2s, #3 movi v1.16b, 0 ursra v1.2s, v8.2s, #3 movi v2.16b, 0 ursra v2.2s, v8.2s, #3 movi v3.16b, 0 ursra v3.2s, v8.2s, #3 movi v4.16b, 0 ursra v4.2s, v8.2s, #3 movi v5.16b, 0 ursra v5.2s, v8.2s, #3 movi v6.16b, 0 ursra v6.2s, v8.2s, #3 movi v7.16b, 0 ursra v7.2s, v8.2s, #3
movi v8.16b, 9
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.5011
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
160204 | 40458 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160026 | 1 | 160000 | 100 |
160204 | 40097 | 80110 | 101 | 80009 | 100 | 80013 | 300 | 320056 | 80113 | 200 | 80013 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40099 | 80110 | 101 | 80009 | 100 | 80013 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40086 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40086 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40086 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160026 | 1 | 160000 | 100 |
160204 | 40372 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40099 | 80110 | 101 | 80009 | 100 | 80013 | 300 | 320056 | 80113 | 200 | 80013 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40086 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40086 | 80109 | 101 | 80008 | 100 | 80012 | 300 | 320052 | 80112 | 200 | 80012 | 200 | 160024 | 1 | 160000 | 100 |
Result (median cycles for code divided by count): 0.5056
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
160024 | 43813 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320052 | 80022 | 20 | 80012 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 41228 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40420 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40380 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40551 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320056 | 80023 | 20 | 80013 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40445 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40435 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40419 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40441 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40436 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
Count: 16
Code:
ursra v0.2s, v16.2s, #3 ursra v1.2s, v16.2s, #3 ursra v2.2s, v16.2s, #3 ursra v3.2s, v16.2s, #3 ursra v4.2s, v16.2s, #3 ursra v5.2s, v16.2s, #3 ursra v6.2s, v16.2s, #3 ursra v7.2s, v16.2s, #3 ursra v8.2s, v16.2s, #3 ursra v9.2s, v16.2s, #3 ursra v10.2s, v16.2s, #3 ursra v11.2s, v16.2s, #3 ursra v12.2s, v16.2s, #3 ursra v13.2s, v16.2s, #3 ursra v14.2s, v16.2s, #3 ursra v15.2s, v16.2s, #3
movi v16.16b, 17
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.5002
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
160205 | 80073 | 160142 | 101 | 160041 | 100 | 160053 | 300 | 640208 | 160154 | 200 | 160064 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80054 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320028 | 1 | 160000 | 100 |
160204 | 80257 | 160252 | 101 | 160151 | 100 | 160155 | 300 | 640212 | 160155 | 200 | 160065 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80111 | 160157 | 101 | 160056 | 100 | 160060 | 300 | 640036 | 160108 | 200 | 160012 | 202 | 320124 | 2 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640244 | 160160 | 200 | 160064 | 200 | 320024 | 1 | 160000 | 100 |
Result (median cycles for code divided by count): 0.5002
retire uop (01) | cycle (02) | 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) | dispatch uop (78) | map int uop (7c) | map simd uop (7e) | map int uop inputs (7f) | map simd uop inputs (81) | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) |
160024 | 80211 | 160017 | 11 | 160006 | 10 | 160010 | 30 | 640044 | 160020 | 20 | 160014 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80043 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320028 | 1 | 160000 | 10 |
160024 | 80036 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |