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, 32-bit)

Test 1: uops

Code:

  and w0, w0, w1, 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)0318191e3f4c4d51schedule 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)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100000732672217812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000732672217812022100020362036203620362036
1004203515000103100017352520002000100032570020352035157531842100010002000203542111001100010732672217812000100020362036203620362036
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100000732672217812000100020362036203620362036
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100000732672217812000100020362036203620362036
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100000732752217812000100020362036203620362036
100420351600061100017352520002000100032570120352035157531842100010002000203542111001100000732672217812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000733672217812000100020362036203620362036
100420351500061100017372520002000100032570020352035157531842100010002000203542111001100000732672217812000100020362036203620362036
100420351600061100017352520002000100032570020352035157531842100010002000203542111001100000732672217812000100020362036203620362036

Test 2: Latency 1->2

Code:

  and w0, w0, w1, 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)03mmu table walk data (08)191e1f3f4c4d51schedule 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 cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351500000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500000611000019803252010020100101001908524916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351490000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500000611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111985720000101002003620036200362003620036
102042003515000001681000019803252016220100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120083101002003620036200362003620036
1020420035150000016951000019803252010020100101001853424916955200352003518429318700101241020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
102042003515000001681000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)03mmu table walk data (08)l2 tlb miss data (0b)181e1f3f4c4d51schedule 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)accdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
100242003515000000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640463431979220000100102003620036200362003620036
100242003515000000611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640463341979220000100102003620036200362003620036
1002420035150000002711000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640463431979220000100102003620036200362003620036
100242003515000000611000019743252001020010100101853100491695520035200351845131871810010100202002020035421110021109101001010000640463331979220000100102003620036200362003620036
1002420035149000001241000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640363441979220000100102003620036200362003620036
100242003515000000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640363441979220000100102003620036200362003620036
100242003515000000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640463331979220000100102003620036200362003620036
1002420035150000004591000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640463321979220000100102003620036200362003620036
100242003515000000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010200640463431979220000100102003620036200362003620036
1002420035150000001661000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640463441979220000100102003620036200362003620036

Test 3: Latency 1->3

Code:

  and w0, w1, w0, 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)9fl1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351500611000019803252010020100101111849850491695520035200351847771873610111102322026420035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515002441000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515005151000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351500841000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515005101000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515001701000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351510611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
102042003515002841000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010000710259221979120000101002003620036200362003620036

1000 unrolls and 10 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)9faccfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
100242003514906110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
1002420035150010310000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
1002420035150012410000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
10024200351500397710000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036
100242003515006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100640263221979220000100102003620036200362003620036

Test 4: throughput

Count: 8

Code:

  and w0, w8, w9, ror #17
  and w1, w8, w9, ror #17
  and w2, w8, w9, ror #17
  and w3, w8, w9, ror #17
  and w4, w8, w9, ror #17
  and w5, w8, w9, ror #17
  and w6, w8, w9, ror #17
  and w7, w8, w9, 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)03l2 tlb miss data (0b)1e1f3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)6067696a6b6d6emap 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)acc2branch mispred nonspec (cb)cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80204267672000006180000260942516010016010080100164318104923645026725267251661531667780100802001602002672539118020110099100801001000000000051102221126717160000801002672626726267262672626726
80204267252001006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318104923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
80204267252010006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000011000051101221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051102221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
80204267252000006180000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726
802042672520000072680000260942516010016010080100164318004923645026725267251661531667780100802001602002672539118020110099100801001000000000051101221126717160000801002672626726267262672626726

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)03mmu table walk data (08)l2 tlb miss data (0b)18191e1f3a3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6d6emap 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 tlb miss (a1)ld unit uop (a6)st unit uop (a7)l1d cache writeback (a8)a9acc2cfd5map dispatch bubble (d6)d9ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80024267352000000000618000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
800242671120000000001038000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314214923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314214923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267111990000000618000021280251600101600108001016314214923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000618000021280251600101600108001016314214923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712
80024267112000000000828000021280251600101600108001016314204923631267112671116623031668580010800201600202671139118002110910800101000000000502012201126704160000800102671226712267122671226712