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:
srhadd v0.4s, v0.4s, v1.4s
movi v0.16b, 1 movi v1.16b, 2
(no loop instructions)
Retires: 1.000
Issues: 1.000
Integer unit issues: 0.000
Load/store unit issues: 0.000
SIMD/FP unit issues: 1.000
retire uop (01) | cycle (02) | 03 | 1e | 3f | 4e | 51 | schedule uop (52) | 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 simd alu (9a) | ld unit uop (a6) | l1d cache writeback (a8) | ac | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? simd retires (ee) | f5 | f6 | f7 | f8 | fd |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 16 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 16 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 6 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2073 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 0 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 1 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 1 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 15 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 1 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 1 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
1004 | 2037 | 16 | 0 | 61 | 1687 | 25 | 1000 | 1000 | 1000 | 264680 | 1 | 2018 | 2037 | 2037 | 1572 | 3 | 1895 | 1000 | 1000 | 2000 | 2037 | 2037 | 1 | 1 | 1001 | 1000 | 0 | 0 | 0 | 73 | 1 | 16 | 1 | 1 | 1787 | 1000 | 2038 | 2038 | 2038 | 2038 | 2038 |
Code:
srhadd v0.4s, v0.4s, v1.4s
movi v0.16b, 1 movi v1.16b, 2
(fused SUBS/B.cc loop)
Result (median cycles for code): 2.0037
retire uop (01) | cycle (02) | 03 | 18 | 19 | 1e | 1f | 3f | 4e | 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 simd alu (9a) | 9f | ac | branch mispred nonspec (cb) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 0 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 27 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 222 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 0 | 0 | 103 | 19687 | 25 | 10100 | 100 | 10012 | 100 | 10000 | 500 | 2847680 | 1 | 20054 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 3 | 0 | 710 | 1 | 16 | 1 | 1 | 19827 | 10000 | 100 | 20184 | 20038 | 20038 | 20085 | 20134 |
Result (median cycles for code): 2.0037
retire uop (01) | cycle (02) | 03 | 1e | 3f | 4e | 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) | 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 simd alu (9a) | 9f | ac | 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 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 4 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 6 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 264 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 22 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 640 | 2 | 16 | 2 | 2 | 19785 | 0 | 10000 | 10 | 20085 | 20038 | 20038 | 20038 | 20038 |
Code:
srhadd v0.4s, v1.4s, v0.4s
movi v0.16b, 1 movi v1.16b, 2
(fused SUBS/B.cc loop)
Result (median cycles for code): 2.0037
retire uop (01) | cycle (02) | 03 | l2 tlb miss data (0b) | 1e | 3f | 4e | 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 simd alu (9a) | 9f | l1d cache writeback (a8) | ac | cd | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 0 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19854 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 84 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 2 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 0 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 0 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 114 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
10204 | 20037 | 150 | 0 | 0 | 61 | 19687 | 25 | 10100 | 100 | 10000 | 100 | 10000 | 500 | 2847680 | 1 | 20018 | 20037 | 20037 | 18422 | 3 | 18745 | 10100 | 200 | 10000 | 200 | 20000 | 20037 | 20037 | 1 | 1 | 10201 | 100 | 99 | 100 | 100 | 10000 | 100 | 0 | 0 | 0 | 710 | 1 | 16 | 1 | 1 | 19791 | 10000 | 100 | 20038 | 20038 | 20038 | 20038 | 20038 |
Result (median cycles for code): 2.0037
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 09 | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3f | 4e | 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) | 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 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 | ? int output thing (e9) | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 640 | 4 | 16 | 4 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 310 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 4 | 16 | 4 | 4 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 124 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 640 | 4 | 16 | 4 | 4 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10010 | 12 | 10012 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 3 | 16 | 3 | 2 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10162 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 3 | 16 | 3 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 631 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 640 | 3 | 16 | 4 | 4 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 57 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 4 | 16 | 4 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 9 | 264 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 4 | 16 | 3 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20018 | 20037 | 20037 | 18444 | 17 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 4 | 16 | 4 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
10024 | 20037 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 19687 | 25 | 10010 | 10 | 10000 | 10 | 10000 | 50 | 2847680 | 20126 | 20037 | 20037 | 18444 | 3 | 18767 | 10010 | 20 | 10000 | 20 | 20000 | 20037 | 20037 | 1 | 1 | 10021 | 10 | 9 | 10 | 10 | 10000 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 640 | 3 | 16 | 4 | 3 | 19785 | 0 | 10000 | 10 | 20038 | 20038 | 20038 | 20038 | 20038 |
Count: 8
Code:
srhadd v0.4s, v8.4s, v9.4s srhadd v1.4s, v8.4s, v9.4s srhadd v2.4s, v8.4s, v9.4s srhadd v3.4s, v8.4s, v9.4s srhadd v4.4s, v8.4s, v9.4s srhadd v5.4s, v8.4s, v9.4s srhadd v6.4s, v8.4s, v9.4s srhadd v7.4s, v8.4s, v9.4s
movi v8.16b, 9 movi v9.16b, 10
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 0.2505
retire uop (01) | cycle (02) | 03 | 19 | 1e | 1f | 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 simd alu (9a) | 9f | l1d cache writeback (a8) | ac | c2 | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 1 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 2 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 1 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 3 | 4 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 1 | 20019 | 20237 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 1 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 103 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 2 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 3 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
80204 | 20038 | 150 | 0 | 0 | 0 | 40 | 25 | 80100 | 100 | 80000 | 100 | 80000 | 500 | 640000 | 0 | 20019 | 20038 | 20038 | 9973 | 3 | 9996 | 80100 | 200 | 80000 | 200 | 160000 | 20038 | 20038 | 1 | 1 | 80201 | 100 | 99 | 100 | 100 | 80000 | 100 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 20035 | 80000 | 100 | 20039 | 20039 | 20039 | 20039 | 20039 |
Result (median cycles for code divided by count): 0.2505
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 | 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 simd alu (9a) | 9f | l1d cache writeback (a8) | ac | branch cond mispred nonspec (c5) | cf | d0 | d2 | l1i cache miss demand (d3) | d5 | map dispatch bubble (d6) | d9 | da | db | dd | fetch restart (de) | e0 | ea | eb | ? simd retires (ee) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80024 | 20048 | 150 | 0 | 158 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 2 | 16 | 2 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 39 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 0 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 1 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 39 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 0 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 149 | 0 | 39 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 190 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 0 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 8 | 0 | 2 | 2 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 83 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 1 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 50 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 2 | 16 | 0 | 0 | 0 | 2 | 2 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 39 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 1 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 39 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 61 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |
80024 | 20038 | 150 | 0 | 534 | 25 | 80010 | 10 | 80000 | 10 | 80000 | 50 | 640000 | 1 | 20019 | 20038 | 20038 | 9996 | 3 | 10018 | 80010 | 20 | 80000 | 20 | 160000 | 20038 | 20038 | 1 | 1 | 80021 | 10 | 9 | 10 | 10 | 80000 | 10 | 0 | 0 | 0 | 5020 | 0 | 0 | 0 | 1 | 16 | 0 | 0 | 0 | 1 | 1 | 20035 | 0 | 0 | 80000 | 10 | 20039 | 20039 | 20039 | 20039 | 20039 |