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:
uabdl2 v0.4s, v0.8h, v1.8h
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:
uabdl2 v0.4s, v0.8h, v1.8h
movi v0.16b, 1 movi v1.16b, 2
(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 | 10006 | 200 | 20012 | 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 |
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 | 10107 | 101 | 10006 | 100 | 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 |
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 | 769247 | 10051 | 20 | 10044 | 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:
uabdl2 v0.4s, v1.8h, v0.8h
movi v0.16b, 1 movi v1.16b, 2
(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) | schedule ldst uop (55) | 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 ldst uop inputs (80) | map simd uop inputs (81) | ? int output thing (e9) | ? ldst retires (ed) | ? simd retires (ee) | ? int retires (ef) |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10006 | 202 | 0 | 20330 | 2 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20012 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30240 | 10137 | 105 | 10032 | 0 | 104 | 10132 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10204 | 30033 | 10101 | 101 | 10000 | 0 | 100 | 10000 | 306 | 771089 | 10234 | 202 | 10164 | 200 | 0 | 20008 | 1 | 0 | 10000 | 100 |
10205 | 30066 | 10107 | 101 | 10006 | 0 | 100 | 10031 | 300 | 768905 | 10100 | 200 | 10004 | 200 | 0 | 20008 | 1 | 0 | 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 | 10006 | 20 | 20000 | 11 | 10000 | 10 |
10024 | 30033 | 10021 | 21 | 10000 | 20 | 10000 | 68 | 769247 | 10051 | 20 | 10044 | 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 |
Count: 8
Code:
uabdl2 v0.4s, v8.8h, v9.8h uabdl2 v1.4s, v8.8h, v9.8h uabdl2 v2.4s, v8.8h, v9.8h uabdl2 v3.4s, v8.8h, v9.8h uabdl2 v4.4s, v8.8h, v9.8h uabdl2 v5.4s, v8.8h, v9.8h uabdl2 v6.4s, v8.8h, v9.8h uabdl2 v7.4s, v8.8h, v9.8h
movi v8.16b, 9 movi v9.16b, 10
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.5004
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) |
80204 | 40084 | 80107 | 101 | 80006 | 100 | 80010 | 300 | 320044 | 80110 | 200 | 80014 | 200 | 160026 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320208 | 80154 | 200 | 80062 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
80204 | 40035 | 80105 | 101 | 80004 | 100 | 80008 | 300 | 320036 | 80108 | 200 | 80012 | 200 | 160024 | 1 | 80000 | 100 |
Result (median cycles for code divided by count): 0.5004
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) |
80024 | 40176 | 80030 | 21 | 80009 | 20 | 80013 | 67 | 320052 | 80032 | 20 | 80018 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320216 | 80076 | 20 | 80065 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 65 | 320000 | 80020 | 20 | 80000 | 20 | 160000 | 11 | 80000 | 10 |
80024 | 40035 | 80021 | 21 | 80000 | 20 | 80000 | 64 | 320216 | 80076 | 20 | 80067 | 20 | 160000 | 11 | 80000 | 10 |