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

BIC (register, 64-bit)

Test 1: uops

Code:

  bic x0, x0, x1
  mov x0, 1
  mov x1, 2

(no loop instructions)

1000 unrolls and 1 iteration

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)031e3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)606d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst int alu (97)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10041035706186225100010001000169161103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035706186225100010001000169160103510357293868100010002000103541111001100073141119371000100010361036103610361036
10041035806186225100010001000169160103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035806186225100010001000169161103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035766186225100010001000169160103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035806186225100010001000169161103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035736186225100010001000169161103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035806186225100010001000169160103510357283868100010002000103541111001100073141119371000100010361036103610361036
10041035806186225100010001000169161103510357283868100010002000103541111001100073141119371000100010361036103610361036
100410358216186225100010001000169160103510357283868100010002000103541111001100073141119371000100010361036103610361036

Test 2: Latency 1->2

Code:

  bic x0, x0, x1
  mov x0, 1
  mov x1, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 1.0035

retire uop (01)cycle (02)031e3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9fl1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
102041003575017798772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010089728049695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
102041003575010398772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357606198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036
10204100357506198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000071013711994110000101001003610036100361003610036

1000 unrolls and 10 iterations

Result (median cycles for code): 1.0035

retire uop (01)cycle (02)031e1f3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9fl1d cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002410035752406198632510010100101001088784049695510035100358602387421001010020200201003541111002110910100101000064024122994010000100101003610036100361003610036
1002410081751508298632510010100101001088784149695510035100358602387401016710020200201003541111002110910100101000064024122994010000100101003610036100361003610036
100241003575006198632510010100101001088784049695510035100728602387401001010020200201003541111002110910100101000064024122994010002100101003610036100361003610036
100241003575006198632510010100101001088784049695510035100358602387401001010020200201003541111002110910100101000064024122994010000100101003610036100361003610036
1002410035751506198632510010100101001088779149695510035100358602387401001010020200201003541111002110910100101000064024122994010002100101003610036100361003610036
100241003575606198632510010100101001088784049695510035100358602387421001210020200201003541111002110910100101000064024124994010000100101003610036100361003610036
100241003575006198632510010100101001088784049695510035100358602387401001010020200201003541111002110910100101000064024142994010000100101003610036100361003610036
100241003575006198632510010100101001088784049695510035100358602387401001010020200201003543111002110910100101000064024122994010000100101003610036100361003610036
100241003575606198632510010100101001088784149695510035100358602387401001010020200201003541111002110910100101000064024122994110000100101003610036100361003610036
100241003575606198632510010100101001088784049695510035100358602387401001210020200201003541111002110910100101000064034122994010000100101003610036100361003610036

Test 3: Latency 1->3

Code:

  bic x0, x1, x0
  mov x0, 1
  mov x1, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 1.0035

retire uop (01)cycle (02)03l2 tlb miss data (0b)1e3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9fl1d tlb access (a0)l1d cache writeback (a8)acc2branch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
102041003575006198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071023711994110000101001003610036100361003610036
102041003575006198772510100101001010088664049695510035100358580387221010010200202001003541111020110099100101001000100071013712994110000101001003610036100361003610036
102041003575106198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
102041003575006198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
102041003575006198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
102041003575006198772510100101001010090643149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
1020410035750666198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000002071013711994110000101001003610036100361003610036
10204100357503310398772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
102041003575006198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036
102041003575006198772510100101001010088664149695510035100358580387221010010200202001003541111020110099100101001000000071013711994110000101001003610036100361003610036

1000 unrolls and 10 iterations

Result (median cycles for code): 1.0035

retire uop (01)cycle (02)031e3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9facbranch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002410035750619863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064024122994010000100101003610036100361003610036

Test 4: throughput

Count: 8

Code:

  bic x0, x8, x9
  bic x1, x8, x9
  bic x2, x8, x9
  bic x3, x8, x9
  bic x4, x8, x9
  bic x5, x8, x9
  bic x6, x8, x9
  bic x7, x8, x9
  mov x8, 9
  mov x9, 10

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.1673

retire uop (01)cycle (02)03l2 tlb miss data (0b)1e1f3f51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)6067696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9fcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80204133901010003525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110219111338380000801001338713387133871338713387
8020413386100028803525801008010080100400500104910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
802041338610107203525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
802041338610101803525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110019111338380000801001338713387133871338713387
802041338610000010125801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
80204133861000003525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
8020413386100037203525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
80204133861000003525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387
80204133861000003525801008010080100400500004910306133861338633233334180100802001602001338639118020110099100801001005130119111338380000801001338713387133871338713387
80204133861010003525801008010080100400500104910306133861338633233334180100802001602001338639118020110099100801001005110119111338380000801001338713387133871338713387

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.1671

retire uop (01)cycle (02)031e3f51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)5f60696a6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map int uop inputs (7f)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)9faccfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
800241337610003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020519341336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419441336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419441336880000800101337213372133721337213372
80024133711002553525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419441336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020319341336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020319431336880000800101337213372133721337213372
800241337110003525800108001080010400050104910291133711337133303334880010800201600201337139118002110910800101005020419441336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419431336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419441336880000800101337213372133721337213372
800241337110003525800108001080010400050004910291133711337133303334880010800201600201337139118002110910800101005020419431336880000800101337213372133721337213372