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

ORR (register, lsl, 32-bit)

Test 1: uops

Code:

  orr 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)03l2 tlb miss data (0b)1e1f3f4c4d51schedule 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
1004203515000103100017352520002000100032570120352035157531842100010002000203542111001100000732671117812000100020362036203620362036
100420351506061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100050731671117812000100020362036203620362036
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570020352035157531842100010002000203542111001100000731671117812000100020362036203620362036
100420351500061100017352520002000100032570120352035157531842100010002000203542111001100003731671118192000100020362036203620362036

Test 2: Latency 1->2

Code:

  orr 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)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 tlb access (a0)l1d tlb miss (a1)l1d cache writeback (a8)acc2cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351509025110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
10204200351503306110000198032520100201001010018534214916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
1020420035149007710000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100010207500710159111979120000101002003620036200362003620036
10204200351501506110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111985920000101002003620069200362003620036
1020420035150006110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
102042003515044106110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
10204200351501506110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
1020420035150006110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036
10204200351501506110000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620079200362003620036
10204200351509074210000198032520100201001010018534204916955200352003518429318700101001020020200200354211102011009910010100100000000710159111979120000101002003620036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)03mmu table walk data (08)0918191e3f4c4d51schedule 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)ld unit uop (a6)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531014917092200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036
1002420035150000006110000197432520010200101001018531004916955200352003518451318718100101002020020200354211100211091010010100000640263221979220000100102003620036200362003620036

Test 3: Latency 1->3

Code:

  orr 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)a9acbranch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
10204200351507561100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
102042003515001895100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
102042003514926461100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
10204200351501561100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
102042003515030661100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342149169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036
1020420035150061100001980325201002010010100185342049169552003520035184293187001010010200202002003542111020110099100101001000000710159111979120000101002003620036200362003620036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

retire uop (01)cycle (02)03mmu table walk data (08)181e3f4c4d51schedule 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)9faccfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463341979220000100102003620036200362003620036
1002420035150000661000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640363341979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463431979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640363341979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640363341979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463431979220000100102003620036200362003620036
10024200351500007261000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463431979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354221100211091010010100640463441979220000100102003620036200362003620036
1002420035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463441979220000100102003620036200362003620036
1002520035150000611000019743252001020010100101853104916955200352003518451318718100101002020020200354211100211091010010100640463341979220000100102003620036200362003620036

Test 4: throughput

Count: 8

Code:

  orr w0, w8, w9, lsl #17
  orr w1, w8, w9, lsl #17
  orr w2, w8, w9, lsl #17
  orr w3, w8, w9, lsl #17
  orr w4, w8, w9, lsl #17
  orr w5, w8, w9, lsl #17
  orr w6, w8, w9, lsl #17
  orr 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)03l2 tlb miss data (0b)1f3f4c4d51schedule uop (52)schedule int uop (53)dispatch int uop (56)int uops in schedulers (59)60696a6b6d6emap 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
8020426769201006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051102221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026787391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726
80204267252000072680000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016106626725391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725901180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450269022672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726
8020426725200006180000260942516010016010080100164318149236450267252672516615316677801008020016020026725391180201100991008010010000051101221126717160000801002672626726267262672626726

1000 unrolls and 10 iterations

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

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)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? int retires (ef)f5f6f7f8fd
80024267342006180000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050206223526704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142049236312671126711166233166858001080020160020267113911800211091080010100050203223226704160000800102671226712267122671226712
80024267112009380000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050203223326704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050203223326704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050206226626704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050203223526704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142149236312671126711166233166858001080020160020267113911800211091080010100050202223226704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142049236312671126711166233166858001080020160020267113911800211091080010100050445225626704160000800102671226712267122671226712
80024267112008480000212802516001016001080010163142049236312671126711166233166858001080020160020267113911800211091080010100050206223326704160000800102671226712267122671226712
80024267112006180000212802516001016001080010163142049236312671126711166233166858001080020160020267113911800211091080010100050203222426704160000800102671226712267122671226712