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:
sdiv w0, w1, w2
mov w1, #0 mov w2, #0
(no loop instructions)
Retires: 1.000
Issues: 1.000
Integer unit issues: 1.000
Load/store unit issues: 0.000
SIMD/FP unit issues: 0.000
retire uop (01) | cycle (02) | 03 | 1e | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 60 | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 82 | 83 | flush restart other nonspec (84) | 85 | inst all (8c) | inst int alu (97) | l1d cache writeback (a8) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ec | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 0 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 39 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 350 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 16 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 0 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 9 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
1004 | 2038 | 15 | 0 | 61 | 950 | 25 | 1000 | 1000 | 1000 | 53725 | 1 | 2038 | 2038 | 1801 | 3 | 1896 | 1000 | 1000 | 2000 | 2038 | 261 | 1 | 1 | 1001 | 1000 | 0 | 73 | 1 | 16 | 1 | 1 | 1981 | 1000 | 0 | 1000 | 2039 | 2039 | 2039 | 2039 | 2039 |
Chain cycles: 2
Code:
sdiv w0, w1, w2 eor x1, x1, x0 eor x1, x1, x0
mov w1, #0 mov w2, #0
(fused SUBS/B.cc loop)
Result (median cycles for code, minus 2 chain cycles): 7.0035
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3a | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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) | l1d cache writeback (a8) | a9 | ac | branch cond mispred nonspec (c5) | cd | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 61152 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 3 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 12 | 176 | 0 | 390 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90216 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 1 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 103 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 1 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 15 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90081 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 61 | 81120 | 109 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 8 | 0 | 0 | 0 | 0 | 1910 | 4 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90212 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 676 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 1 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 3 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 4 | 0 | 24 | 352 | 0 | 103 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 1 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 726 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 1 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30617 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 2 | 1 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90215 |
30204 | 90035 | 688 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 61 | 81120 | 25 | 30155 | 30100 | 30100 | 8522656 | 1 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 1910 | 2 | 16 | 2 | 3 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
Result (median cycles for code, minus 2 chain cycles): 7.0035
retire uop (01) | cycle (02) | 03 | 09 | l2 tlb miss data (0b) | 1e | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 5f | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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 | l1d cache writeback (a8) | ac | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30024 | 90035 | 675 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 3 | 16 | 2 | 3 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 61 | 81210 | 42 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 3 | 16 | 3 | 2 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30116 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 3 | 16 | 2 | 3 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 4 | 16 | 3 | 2 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 1 | 0 | 1890 | 2 | 16 | 2 | 2 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 726 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 3 | 1890 | 3 | 16 | 2 | 2 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 3 | 16 | 2 | 3 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30126 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 2 | 16 | 4 | 3 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 2 | 16 | 2 | 3 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 9 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1890 | 4 | 16 | 1 | 2 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
Chain cycles: 2
Code:
sdiv w0, w1, w2 eor x2, x2, x0 eor x2, x2, x0
mov w1, #0 mov w2, #0
(fused SUBS/B.cc loop)
Result (median cycles for code, minus 2 chain cycles): 7.0035
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 09 | l2 tlb miss data (0b) | 19 | 1e | 1f | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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 | st unit uop (a7) | l1d cache writeback (a8) | ac | branch mispred nonspec (cb) | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30204 | 90035 | 674 | 0 | 0 | 1 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 7 | 0 | 0 | 1910 | 2 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 3 | 0 | 1910 | 1 | 17 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 156 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 42 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 675 | 0 | 1 | 0 | 0 | 24 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 675 | 0 | 0 | 0 | 0 | 189 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 0 | 0 | 1910 | 1 | 16 | 0 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90068 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 726 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 1 | 0 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 1 | 3 | 0 | 1910 | 1 | 16 | 1 | 1 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
30204 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81120 | 25 | 30100 | 30100 | 30100 | 8522656 | 0 | 49 | 86955 | 90035 | 90035 | 85900 | 3 | 86243 | 30100 | 30200 | 60200 | 90035 | 176 | 1 | 1 | 30201 | 100 | 99 | 100 | 30100 | 100 | 0 | 0 | 183 | 0 | 1910 | 1 | 16 | 1 | 0 | 89751 | 30000 | 30100 | 90036 | 90036 | 90036 | 90036 | 90036 |
Result (median cycles for code, minus 2 chain cycles): 7.0035
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3a | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 5f | 60 | 69 | 6a | 6d | 6e | map stall dispatch (70) | int prf full (71) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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 | l1d cache writeback (a8) | ac | branch mispred nonspec (cb) | cd | cf | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
30024 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 436 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 7 | 16 | 6 | 6 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1915 | 6 | 16 | 5 | 5 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 726 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 6 | 16 | 6 | 6 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 6 | 16 | 6 | 5 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90074 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90076 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 37 | 0 | 0 | 0 | 1890 | 7 | 16 | 7 | 7 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 7 | 16 | 7 | 7 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90125 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 7 | 16 | 7 | 7 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 1 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 0 | 0 | 1890 | 6 | 16 | 7 | 5 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 674 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 1 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 0 | 1 | 0 | 1890 | 7 | 16 | 7 | 9 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
30024 | 90035 | 675 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 726 | 81210 | 25 | 30010 | 30010 | 30010 | 8522901 | 0 | 0 | 49 | 86955 | 90035 | 90035 | 85922 | 0 | 3 | 86265 | 30010 | 30020 | 60020 | 90035 | 176 | 2 | 1 | 30021 | 10 | 9 | 10 | 30010 | 10 | 0 | 9 | 0 | 0 | 1890 | 7 | 16 | 7 | 7 | 89751 | 30000 | 30010 | 90036 | 90036 | 90036 | 90036 | 90036 |
Count: 8
Code:
sdiv w0, w8, w9 sdiv w1, w8, w9 sdiv w2, w8, w9 sdiv w3, w8, w9 sdiv w4, w8, w9 sdiv w5, w8, w9 sdiv w6, w8, w9 sdiv w7, w8, w9
mov w8, #0 mov w9, #0
(fused SUBS/B.cc loop)
Result (median cycles for code divided by count): 2.0005
retire uop (01) | cycle (02) | 03 | l2 tlb miss data (0b) | 1e | 1f | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 69 | 6a | 6b | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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) | l1d cache writeback (a8) | a9 | ac | 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) | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80204 | 160038 | 1198 | 0 | 0 | 0 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 4 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 0 | 0 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 2 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1198 | 1 | 0 | 0 | 103 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 2 | 3 | 0 | 6 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 0 | 0 | 726 | 79950 | 25 | 80100 | 80100 | 80261 | 4399798 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 0 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1198 | 0 | 0 | 0 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 0 | 0 | 726 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160328 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 2 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 0 | 0 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 0 | 0 | 726 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 1 | 0 | 0 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 156958 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
80204 | 160038 | 1199 | 0 | 171 | 176 | 61 | 79950 | 25 | 80100 | 80100 | 80100 | 4399225 | 49 | 153927 | 0 | 160038 | 160038 | 149901 | 3 | 149996 | 80100 | 80200 | 160200 | 160038 | 261 | 1 | 1 | 80201 | 100 | 99 | 100 | 80100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5110 | 1 | 16 | 1 | 1 | 159980 | 80000 | 80100 | 160039 | 160039 | 160039 | 160039 | 160039 |
Result (median cycles for code divided by count): 2.0005
retire uop (01) | cycle (02) | 03 | mmu table walk data (08) | 09 | l2 tlb miss data (0b) | 18 | 19 | 1e | 1f | 3f | 4d | 51 | schedule uop (52) | schedule int uop (53) | dispatch int uop (56) | int uops in schedulers (59) | 60 | 69 | 6a | 6b | 6d | 6e | map stall dispatch (70) | map rewind (75) | map stall (76) | dispatch uop (78) | map int uop (7c) | map int uop inputs (7f) | 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 | l1d tlb miss (a1) | ld unit uop (a6) | l1d cache writeback (a8) | a9 | ac | c2 | branch cond mispred nonspec (c5) | branch mispred nonspec (cb) | cf | d2 | d5 | map dispatch bubble (d6) | dd | fetch restart (de) | e0 | ? int output thing (e9) | ec | ? int retires (ef) | f5 | f6 | f7 | f8 | fd |
80024 | 160038 | 1199 | 0 | 0 | 0 | 4 | 3 | 15 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 2 | 0 | 0 | 33 | 0 | 0 | 0 | 5020 | 0 | 3 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160078 | 1199 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1198 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 2 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1199 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 3 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160140 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5034 | 0 | 1 | 16 | 2 | 2 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1199 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80024 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160081 | 160039 | 160039 | 160039 | 160039 |
80025 | 160038 | 1198 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 0 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1199 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 0 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160080 | 1198 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 0 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1199 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 420 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160039 |
80024 | 160038 | 1198 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 79950 | 25 | 80010 | 80010 | 80010 | 4398775 | 1 | 49 | 156958 | 0 | 160038 | 160038 | 149923 | 3 | 150018 | 80010 | 80020 | 160020 | 160038 | 261 | 1 | 1 | 80021 | 10 | 9 | 10 | 80010 | 10 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5020 | 0 | 1 | 16 | 1 | 1 | 159980 | 80000 | 0 | 80010 | 160039 | 160039 | 160039 | 160039 | 160281 |