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

AND (register, 64-bit)

Test 1: uops

Code:

  and 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)6d6emap 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)l1d cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103570618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580828622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103570618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036
1004103580618622510001000100016916103510357283868100010002000103541111001100000073141119371000100010361036103610361036

Test 2: Latency 1->2

Code:

  and 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)9fld unit uop (a6)l1d cache writeback (a8)acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1020410035750619877251010010100101008866414969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866404969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866414969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866404969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866414969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866404969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866404969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866404969551003510035858038722101001020020200100354111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866414969551003510035858038722101001020020200100814111102011009910010100100000071013711994110000101001003610036100361003610036
1020410035750619877251010010100101008866414969551003510035858038722101001020020200100354111102011009910010100100003071013711994110000101001003610036100361003610036

1000 unrolls and 10 iterations

Result (median cycles for code): 1.0035

retire uop (01)cycle (02)033f4d51schedule 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
1002410035752419863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100064044134994010000100101003610036100361003610036
100241003576619863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010102364044144994010000100101003610036100361003610036
1002410035751039863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100064044134994010000100101003610036100361003610036
100241003575849863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064044144994010000100101003610036100361003610036
100241003575619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064044134994010000100101003610036100361003610036
1002410035753469863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064044144994010000100101003610036100361003610036
100241003575619863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100067244134994010000100101003610036100361003610036
1002410035752109863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100064044144994010000100101003610036100361003610036
1002410035751079863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010100064034134994010000100101003610036100361003610036
1002410035752929863251001010010100108878414969551003510035860238740100101002020020100354111100211091010010100664034144994010000100101003610036100361003610036

Test 3: Latency 1->3

Code:

  and 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)03091e1f3f4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)6061696a6d6emap 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)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)accfd0d2d5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1020410035750001879877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
102041003575000849877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
1020410035750004229877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000907100013711994110000101001003610036100361003610036
102041003575000619877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
102041003575000619877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000307100013711994110000101001003610036100361003610036
1020410035750001959877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
102041003575000619877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
1020410035750001499877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000207100013711994110000101001003610036100361003610036
102041003575000619877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000007100013711994110000101001003610036100361003610036
1020410035750002679877251010010100101008866410496955100351003585800387221010010200202001003541111020110099100101001000507100013711994110000101001003610036100361003610036

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)9fl1d cache writeback (a8)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002410035750619863251001010010100108878404969551003510035860238740100101002020020100354111100211091010010101364024122994010000100101003610036100361003610036
100241003575061986325100101001010010887840496955100351003586023874010010100202002010035411110021109101001010164024122994010000100101003610036100361003610036
100241003575061986325100101001010010887841496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887841496955100351003586023874010010100202002010035411110021109101001010164024122994010000100101003610036100361003610036
1002410035750166986325100101001010010887840496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887840496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887841496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887840496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887841496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036
100241003575061986325100101001010010887841496955100351003586023874010010100202002010035411110021109101001010064024122994010000100101003610036100361003610036

Test 4: throughput

Count: 8

Code:

  and x0, x8, x9
  and x1, x8, x9
  and x2, x8, x9
  and x3, x8, x9
  and x4, x8, x9
  and x5, x8, x9
  and x6, x8, x9
  and 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)0318191e3f51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)696a6d6emap 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)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
802041341810000056258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110219111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639218020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387
8020413386101000906258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005111119111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639318020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000063258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000056258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387
802041338610000035258010080100801004005004910306133861338633233334180100802001602001338639118020110099100801001000005110119111338380000801001338713387133871338713387

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)6061696a6d6emap 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)9fld unit uop (a6)l1d cache writeback (a8)acbranch mispred nonspec (cb)cfd0d2d5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80024133761000352580010800108001040005015491029113371133713330333488001280020160020133713911800211091080010100000502050119111336880000800101337213372133721337213372
80024133711000772580010800108001040005015491029113371133713330333488016880020160020133713911800211091080010100000502050119111336880000800101337213372133721337213372
800241337110005372580010800108001040005015491029113371133713330333488001080020160020133713941800211091080010100000502050119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100000502050119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100100502050119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100000502051119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100000502051119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100000502051119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001280020160020133713911800211091080010100000502051119111336880000800101337213372133721337213372
80024133711000352580010800108001040005015491029113371133713330333488001080020160020133713911800211091080010100001502051119111336880000800101337213372133721337213372