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, lsl, 32-bit)

Test 1: uops

Code:

  bic w0, w0, w1, lsl #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)03181e1f3f4c4d51schedule 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 tlb miss (a1)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1004203515000611000173525200020001000325700203520351575318421000100020002035421110011000000732672217812000100020362036208220362036
1004203515100611000173525200020001145325700203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325700203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325701203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325700203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325701203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325701203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325700203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325701203520351575318421000100020002035421110011000000732672217812000100020362036203620362036
1004203515000611000173525200020001000325701203520351575318421000100020002035421110011000000732672217812000100020362036203620362036

Test 2: Latency 1->2

Code:

  bic w0, w0, w1, lsl #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 instruction (07)mmu table walk data (08)l2 tlb miss data (0b)1e3a3f4c4d51schedule 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 tlb miss (a1)ld unit uop (a6)l1d cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1020420035150101006110018198032520100201001010018534214916955200352003518435318700101001020020200200354211102011009910010100100000000710259111979120000101002003620036200362003620036
10204200351500002706110000198032520100201001010018534214916955200352003518429318700101251020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
1020420035150000006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362012920036
1020420035150000006110000198032520100201001023718534214916955200352003518435318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
10204200351500000061100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000012710159111979120000101002003620036200362003620036
1020420035150100006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000000710185111979120000101002003620036200362003620036
10204200351500002406110000197972520125201251010018534214916955200352003518429318700101251020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
1020420035150000006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000000710759111979120000101002008320081200822003620036
1020420035150100006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120025101002003620036200362003620036
1020420035150000006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100070000710159111979120025101002003620036200362003620036

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)9fl1d cache writeback (a8)acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515001031000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221982520000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515063611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
100242003515015611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036
10024200351500611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010000640263221979220000100102003620036200362003620036

Test 3: Latency 1->3

Code:

  bic w0, w1, w0, lsl #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)acbranch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
102042003515006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000710259111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100100710159111979120000101002003620036200362003620036
1020420035150010310000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
102042003515036110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351501834610000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
1020420035150276110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
1020420035150126110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036

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 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 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
1002420035150000000006110000197432520010200101001018531014916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
10024200351500000060072610000197432520010200101001018531014916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000000006110000197434520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000000006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000000006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000009006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000000006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035149000000006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000009006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036
1002420035150000000006110000197432520010200101001018531004916955200352003518451031871810010100202002020035421110021109101001010000000640263221979220000100102003620036200362003620036

Test 4: throughput

Count: 8

Code:

  bic w0, w8, w9, lsl #17
  bic w1, w8, w9, lsl #17
  bic w2, w8, w9, lsl #17
  bic w3, w8, w9, lsl #17
  bic w4, w8, w9, lsl #17
  bic w5, w8, w9, lsl #17
  bic w6, w8, w9, lsl #17
  bic w7, w8, w9, lsl #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)l2 tlb miss data (0b)1e1f3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)696a6d6emap 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)ld unit uop (a6)l1d cache writeback (a8)accdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
8020426767200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051102221126717160000801002672626726267262672626726
8020426725200010061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000151101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
80204267252000021061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726
8020426725200000061800002609425160100160100801001643184923645267252672516615031667780100802001602002672539118020110099100801001000000051101221126717160000801002672626726267262672626726

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)03181e1f3f4c4d51schedule 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)9facbranch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
8002426735200000618000021280251600101600108001016314200492363126711267111662331668580010800201600202671139118002110910800101000502082261726704160000800102671226712267122671226712
80024267112000006180000212802516001016001080010163142004923631267112671116623316685800108002016002026711391180021109108001010005020172215726704160000800102671226712267122671226712
8002426711200000103800002128025160010160010800101631421049236312671126711166233166858001080020160020267113911800211091080010107505020172214626704160000800102671226712267122671226712
800242671120005113261800002128025160010160010800101631421049236312671126711166233166858001080020160020267113911800211091080010107205020172217826704160000800102671226712267122671226712
80024267112000306180000212802516001016001080010163142104923631267112671116623316685800108002016002026711391180021109108001010720502082281726704160000800102671226712267122671226712
80024267112000008280000212802516001016001080010163142004923631267112671116623316685800108002016002026711391180021109108001010810502082217826704160000800102671226712267122671226712
800242671120000061800002128025160010160010800101631421049236312671126711166233166858001080020160020267113911800211091080010105705020172214626704160000800102671226712267122671226712
8002426711200000618000021280251600101600108001016314210492363126711267111662331668580010800201600202671139118002110910800101093050201922171726704160000800102671226712267122671226712
80024267112000006180000212802516001016001080010163142104923631267112671116623316685800108002016002026711391180021109108001010810502062261726704160000800102671226712267122671226712
800242671120000061800002128025160010160010800101631420049236312671126711166233166858001080020160020267113911800211091080010106305020162214826704160000800102671226712267122671226712