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, asr, 64-bit)

Test 1: uops

Code:

  and x0, x0, x1, asr #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)031e3f4c4d51schedule 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)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
100420351606110001735252000200010003257020352035157531842100010002000203542111001100010731671117812000100020362036203620362036
100420351506110001735252000200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351506110001735252000200010003257020352035157531842100010002000203542111001100010731671117812000100020362036203620362036
100420351606110001735252000200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351507510001735252000200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351506110001735252000200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351606110001735252000200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351506110001735252000200010003257020352035157531842100010002000203542111001100030731671117812000100020362036203620362036
100420351506110001735252022200010003257020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351506110001735252000200010003257020352035157531842100010002000203542111001100009731671117812000100020362036203620362036

Test 2: Latency 1->2

Code:

  and x0, x0, x1, asr #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)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)accdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351500611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100500710159111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534249169552003520035184293187001010010200202002003542111020110099100101001005900710159111979120000101002003620036200362003620036
102042003515006110000198032520100201001010018534249169552003520035184293187001010010200202002003542111020110099100101001000510710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100060710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342491695520035200791842931870010100102002020020035421110201100991001010010001020710159111979120000101002003620036200362003620036
10204200801510611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100060710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100000710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853424916955200352003518429318700101001020020200200354211102011009910010100100030710159111979120000101002003620036200362003620036
10204200351500611000019803252010020100101001853424916955200352017218429318700101001020020200200354211102011009910010100100000710159111979120000101002008120036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)03l2 tlb miss data (0b)1e3f4c4d51schedule 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)acbranch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002420035149006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221983020000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010058150640263221979220000100102003620036200362003620036
10024200351500061100001974325200102001010010185310149169552003520035184513187181001010020200202003542111002110910100101002460640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010001380640263221979220000100102003620036200362003620036
10024200351500061100001974325200102001010010185310149169552003520035184513187181001010020200202003542111002110910100101000930640263221979220000100102003620036200362003620036
10024200351500010310000197432520010200101001018531014916955200352003518451818718100101002020700200354211100211091010010102030640263221979220000100102003620036200362003620036
1002420035150003580100001974325200102001010010185310149169552003520035184513187181001010020200202003542111002110910100101001690640263221979220000100102003620036200362003620036
1002420035150008210000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100030640263221979220000100102003620036200362003620036
10024200351500061100001974325200322001010010185310149169552003520035184513187181001010020200202003542111002110910100101000720640263221979220000100102003620036200362003620036
100242003515000611000019743252001020010100101853101491695520035200351845131871810010100202002020035421110021109101001010001020640263221979220000100102003620036200362003620036

Test 3: Latency 1->3

Code:

  and x0, x1, x0, asr #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)033f4c4d51schedule 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)cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
102042003515061100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001001000710159111979120000101002003620036200362003620036
102042003515061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000300710159111979120000101002003620036200362003620036
102042003515084100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
102042003515061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001001000710159111979120000101002003620036200362003620036
10204200351506110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100015600710159111979120000101002003620036200362003620036
1020420035150611000019803252010020100101001853420491695520035200351842931870010100102002020020035421110201100991001010010043900710159111979120000101002003620036200362003620036
102042003515061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001001300710159111979120000101002003620036200362003620036
102042003515061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001002000710159111979120000101002003620036200362003620036
10204200351506110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100459000710159111979120000101002003620036200362003620036
102042003515061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036

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)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 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
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100001000640463331979220000100102003620036200362003620036
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000000640363331979220000100102003620036200362003620036
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000030640363331979220000100102003620036200362003620036
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100001000640363331979220000100102003620036200362003620036
1002420035150000000061100001974325200102001010010185310049169552003520035184513187181001010020200202003542111002110910100101000000450640363331979220000100102003620036200362003620036
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000000640363331979220000100102003620036200362003620036
1002420035150000000025110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000000640363331979220000100102003620036200362003620036
100242003515000000008210000197432520010200101001019051214916955200352003518451318718100101002020020200354211100211091010010100000030640363331979220000100102003620036200362003620036
100242003515000000906110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000000640363331979220000100102003620036200362003620036
100242003515000000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000000640363331979220000100102003620036200362003620036

Test 4: throughput

Count: 8

Code:

  and x0, x8, x9, asr #17
  and x1, x8, x9, asr #17
  and x2, x8, x9, asr #17
  and x3, x8, x9, asr #17
  and x4, x8, x9, asr #17
  and x5, x8, x9, asr #17
  and x6, x8, x9, asr #17
  and x7, x8, x9, asr #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)03l1i tlb fill (04)mmu table walk data (08)091e3a3f4c4d51schedule 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)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80204267692000000366800002609425160100160100801001643180492364526725267251661531667780100802001602002672539118020110099100801001000005116102291126717160000801002672626726267262672626726
802042672520000003668000026094251601001601008010016431804923645267252672516615316677801008020016020026725391180201100991008010010000051169229926717160000801002672626726267262672626726
802042672520000003668000026094251601001601008010016431804923645267252672516615316677801008020016020026725391180201100991008010010000051169229926717160000801002672626726267262672626726
8020426725200000036680000260942516010016010080100164318049236452672526725166153166778010080200160200267253911802011009910080100100000511611229926717160000801002672626726267262672626726
8020426725200000036680000260942516010016010080100164318049236452672526725166153166778010080200160200267253911802011009910080100100003511692211926717160000801002672626726267262672626726
8020426725200000036680000260942516010016010080100164318098236452672526725166153166778010080200160200267253911802011009910080100100033511672211426717160000801002672626726267262672626726
80204267252000000366800002609425160100160100801001643180492364526725267251661531667780100802001602002672539118020110099100801001000005116102211926717160000801002672626726267262672626726
8020426725200000036680000260942516010016010080100164318049236452672526725166153166778010080200160200267253911802011009910080100100000511610229926717160000801002672626726267262672626726
802042672520000003668000026094251601001601008010016431804923645267252672516615316677801008020016020026725391180201100991008010010000051169229926717160000801002672626726267262672626726
802042672520000003668000026094251606631601008010016431804923645267252672516615316677801008020016020026725391180201100991008010010001351169229926717160000801002672626726267262672626726

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)03mmu table walk instruction (07)mmu table walk data (08)09191e1f3f4c4d51schedule 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)9fl1d tlb miss (a1)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
8002426717200000000618000021280951600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202223226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050203224226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108021916314249236310267112671116623316685800108002016002026711391180021109108001010000050202223326704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
80024267112000000007268000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222226704160000800102671226712267122671226712
8002426711200000000618000021280251600101600108001016314249236310267112671116623316685800108002016002026711391180021109108001010000050202222326704160000800102671226712267122671226712