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, ror, 64-bit)

Test 1: uops

Code:

  and x0, x0, x1, ror #17
  mov x0, 1
  mov x1, 2

(no loop instructions)

1000 unrolls and 1 iteration

Retires: 1.000

Issues: 2.000

Integer unit issues: 2.000

Load/store unit issues: 0.000

SIMD/FP unit issues: 0.000

retire uop (01)cycle (02)03l2 tlb miss data (0b)1e1f3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60616d6emap 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)cfd0d5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1004203515000611009173525200020001000325701020352035157531842100010002000203542111001100007381671117812000100020362036203620362036
1004203515000611000173525200020001000325701820352035157531842100010002000203542111001100007301671117812000100020362036203620362036
1004203515000611000173525200020001000325701820352035157531842111410002000203542111001100007381671117812000100020362036203620362036
1004203516000611000173525200020001000325701820352035157531842100010002000203542111001100007381671117812000100020362036203620362036
1004203515000611000173525200020001000325701020352035157531842100010002000203542111001100007381671117812000100020362036203620362036
10042035150001031000173525200020001000325701820352035157531842100010002000203542111001100017381671117812000100020362036203620362072
1004203515000821000173525200020001000325701820352035157531842100010002000203542111001100007301671117812000100020362036203620362036
1004203515000611000173525200020001000325701820352035157531842100010002000203542111001100007381671117812000100020362036203620362036
1004203515000821000173525200020001000325701820352035157531842100010002000203542111001100007381671117812000100020362036203620362036
1004203515000611000173525200020001000325701820352035157531842100010002000203542111001100007381671117812000100020362036203620362036

Test 2: Latency 1->2

Code:

  and x0, x0, x1, ror #17
  mov x0, 1
  mov x1, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)031e3f4c4d51schedule 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)9fa9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351490611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
1020420035151294611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
102042003515008401000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
1020420035150492611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010001890710159111979120000101002003620036200362003620036
10204200351500661000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036
1020420035150111611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710159111979120000101002003620036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)03mmu table walk data (08)09l2 tlb miss instruction (0a)l2 tlb miss data (0b)18191e1f3f4c4d51schedule 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 tlb miss (a1)ld unit uop (a6)l1d cache writeback (a8)a9acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10024200351500000004830611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
10024200351500000001207261000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
100242003515000000000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036
10024200351500000001650611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100000000640263221979220000100102003620036200362003620036

Test 3: Latency 1->3

Code:

  and x0, x1, x0, ror #17
  mov x0, 1
  mov x1, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)031e1f3f4c4d51schedule 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
10204200351503720611000019803252010020100101001853421491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515000611000019803252010020100101001853421491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351503030611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515039005361000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710217221979120000101002003620036200362003620036
10204200351503420611000919803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
1020420035150180611000019803252010020100101001853420491695520082200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351503810611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003514900611000019803252010020100101001853421491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515000611000019803252010020100101001853421491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515035407261000019803252010020100101001853421491695520035200351842931870010100102002020020035421110201100991001010010006710259221979120000101002003620036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)031e1f3f4c4d51schedule 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)acbranch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002420035150330611000019743462001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000941000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351501201721000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
1002420035150180611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003514990611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036

Test 4: throughput

Count: 8

Code:

  and x0, x8, x9, ror #17
  and x1, x8, x9, ror #17
  and x2, x8, x9, ror #17
  and x3, x8, x9, ror #17
  and x4, x8, x9, ror #17
  and x5, x8, x9, ror #17
  and x6, x8, x9, ror #17
  and x7, x8, x9, ror #17
  mov x8, 9
  mov x9, 10

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.3341

retire uop (01)cycle (02)03mmu table walk data (08)181e1f3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)696a6b6d6emap 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)9fst unit uop (a7)l1d cache writeback (a8)acbranch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
8020426767200005706180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000151102221126717160000801002672626726267262672626726
802042672520000363526180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
802042672520000006180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
8020426725200002406180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
8020426725200002706180000260942516010016010080100164318492364532672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
8020426725200002706180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
8020426725200001206180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
8020426725200002706180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726
802042672520000120726800002609425160100160100801001643184923645026725267251661531667780100802001602002672539118020110099100801001000400051101221126717160000801002672626726267262672626726
8020426725200003606180000260942516010016010080100164318492364502672526725166153166778010080200160200267253911802011009910080100100000051101221126717160000801002672626726267262672626726

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.3339

retire uop (01)cycle (02)03l2 tlb miss instruction (0a)l2 tlb miss data (0b)18191e1f3f4c4d51schedule 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 miss (a1)ld unit uop (a6)st unit uop (a7)l1d cache writeback (a8)a9acbranch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80024267332000000570618000021280251600101600108001016314214923631267112671116623316685800108002016002026711391180021109108001010000000050201722101126769160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314214923631267112671116623316685800108002016002026711391180021109108001010000000150201122121226704160000800102671226712267122671226712
80024267112000000240618000021280251600101600108001016314214923631267112671116623316685800108002016002026711391180021109108001010000000050201222121326704160000800102671226712267122671226712
80024267112000000270618000021280251600101600108001016314214923631267112671116623316685800108002016002026711391180021109108001010000000050201222131226704160000800102671226712267122671226712
800242671120000002707268000021280251600101600108001016314204923631267112671116623316685800108002016002026711391180021109108001010000000050201022121326704160000800102671226712267122671226712
80024267112000000270618000021280251600101600108001016314204923631267112671116623316685800108002016002026711391180021109108001010000000050201322131226767160000800102671226712267122671226712
80024267112000000120618000021280251600101600108001016314204923631267112671116623316685800108002016002026711391180021109108001010000000050201222131326704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314204923631267112671116623316685800108002016002026711391180021109108001010000000050201222131226704160000800102671226712267122671226712
800242671120000000061800002128025160010160010800101631420492363126711267111662331668580010800201600202671139118002110910800101000000005020112212926704160000800102671226712267122671226712
80024267112000000270618000021280251600101600108001016314204923631267112671116623316685800108002016002026711391180021109108001010000020050201222121326704160000800102671226712267122671226712