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 d0, d1, #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 d0, d1, #3
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 | 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 |
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 | 10006 | 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 |
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 d0, d0, #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 |
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 |
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 | 65 | 769247 | 10051 | 20 | 10039 | 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 |
Count: 8
Code:
movi v0.16b, 0 ursra d0, d8, #3 movi v1.16b, 0 ursra d1, d8, #3 movi v2.16b, 0 ursra d2, d8, #3 movi v3.16b, 0 ursra d3, d8, #3 movi v4.16b, 0 ursra d4, d8, #3 movi v5.16b, 0 ursra d5, d8, #3 movi v6.16b, 0 ursra d6, d8, #3 movi v7.16b, 0 ursra d7, d8, #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 | 40483 | 80110 | 101 | 80009 | 100 | 80013 | 300 | 320200 | 80149 | 200 | 80049 | 200 | 160024 | 1 | 160000 | 100 |
160204 | 40116 | 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 | 160024 | 1 | 160000 | 100 |
160205 | 40122 | 80146 | 101 | 80045 | 100 | 80049 | 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 | 160096 | 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 | 160024 | 1 | 160000 | 100 |
Result (median cycles for code divided by count): 0.5052
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 | 43932 | 80019 | 11 | 80008 | 10 | 80012 | 30 | 320052 | 80022 | 20 | 80012 | 20 | 160024 | 1 | 160000 | 10 |
160024 | 41209 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320056 | 80023 | 20 | 80013 | 20 | 160026 | 1 | 160000 | 10 |
160024 | 40394 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320052 | 80022 | 20 | 80012 | 20 | 160026 | 1 | 160000 | 10 |
160024 | 40470 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320056 | 80023 | 20 | 80013 | 20 | 160026 | 1 | 160000 | 10 |
160024 | 40462 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320056 | 80023 | 20 | 80013 | 20 | 160026 | 1 | 160000 | 10 |
160024 | 40405 | 80020 | 11 | 80009 | 10 | 80013 | 30 | 320056 | 80023 | 20 | 80013 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40442 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320332 | 80092 | 20 | 80082 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40434 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40422 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
160024 | 40440 | 80011 | 11 | 80000 | 10 | 80000 | 30 | 320000 | 80010 | 20 | 80000 | 20 | 160000 | 1 | 160000 | 10 |
Count: 16
Code:
ursra d0, d16, #3 ursra d1, d16, #3 ursra d2, d16, #3 ursra d3, d16, #3 ursra d4, d16, #3 ursra d5, d16, #3 ursra d6, d16, #3 ursra d7, d16, #3 ursra d8, d16, #3 ursra d9, d16, #3 ursra d10, d16, #3 ursra d11, d16, #3 ursra d12, d16, #3 ursra d13, d16, #3 ursra d14, d16, #3 ursra d15, d16, #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) |
160204 | 80092 | 160107 | 101 | 160006 | 100 | 160010 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80045 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160107 | 101 | 160006 | 100 | 160010 | 300 | 640044 | 160110 | 200 | 160014 | 200 | 320024 | 1 | 160000 | 100 |
160205 | 80070 | 160141 | 101 | 160040 | 100 | 160052 | 300 | 640044 | 160110 | 200 | 160014 | 200 | 320024 | 1 | 160000 | 100 |
160204 | 80035 | 160105 | 101 | 160004 | 100 | 160008 | 300 | 640036 | 160108 | 200 | 160012 | 200 | 320128 | 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 | 320024 | 1 | 160000 | 100 |
160204 | 80107 | 160153 | 101 | 160052 | 100 | 160056 | 300 | 640036 | 160108 | 200 | 160012 | 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 | 80292 | 160015 | 11 | 160004 | 10 | 160008 | 30 | 640036 | 160018 | 20 | 160012 | 20 | 320126 | 1 | 160000 | 10 |
160024 | 80044 | 160017 | 11 | 160006 | 10 | 160010 | 30 | 640044 | 160020 | 20 | 160014 | 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 | 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 |
160025 | 80071 | 160055 | 11 | 160044 | 10 | 160056 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320124 | 1 | 160000 | 10 |
160024 | 80035 | 160011 | 11 | 160000 | 10 | 160000 | 30 | 640000 | 160010 | 20 | 160000 | 20 | 320000 | 1 | 160000 | 10 |