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 (vector, register, 8B)

Test 1: uops

Code:

  bic v0.8b, v0.8b, v1.8b
  movi v0.16b, 1
  movi v1.16b, 2

(no loop instructions)

1000 unrolls and 1 iteration

Retires: 1.000

Issues: 1.000

Integer unit issues: 0.000

Load/store unit issues: 0.000

SIMD/FP unit issues: 1.000

retire uop (01)cycle (02)03181e3f4e51schedule uop (52)schedule simd uop (54)dispatch simd uop (57)ldst uops in schedulers (5b)696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map simd uop (7e)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst simd alu (9a)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)f5f6f7f8fd
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
1004203715006116872510001000100026468020182037203715723189510001000200020372037111001100006673116111787100020382038203820382038
1004203715006116872510001000100026468020182037203715723189510001000200020372037111001100001273116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110002073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110005073116111787100020382038203820382038

Test 2: Latency 1->2

Code:

  bic v0.8b, v0.8b, v1.8b
  movi v0.16b, 1
  movi v1.16b, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)031e3f4e51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)60696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d cache writeback (a8)accdcfd2d5map dispatch bubble (d6)ddfetch restart (de)e0ec? simd retires (ee)? int retires (ef)f5f6f7f8fd
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820071
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820038
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820038
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820038
102042003715066119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100730710011611197910100001002003820038200382003820038
1020420037150061196872510100100100001001000063728476800200182003720037184223187451010020010000200200002003720037111020110099100100100001000007100116111979111100001002003820038200382003820038
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820038
10204200371500254196872510100100100001001000050028476800200182003720037184223187451010020010000200200002003720037111020110099100100100001002860710011611197910100001002003820038200382003820038
1020420037150074919687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820038200382003820038
102042003715006119687251010010010000100100005002847680020018200372003718422318745101002001000020020000200372003711102011009910010010000100000710011611197910100001002003820134200382003820038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)031e1f3f4e51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)60696b6d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
1002420037150007761968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001000640216221978510000102003820038200382003820038
100242003715000611968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001013640216221978510000102003820038200382003820038
100242003715000611968725100101010000101000050284768012001802003720037184443187671001020101632020000200372003711100211091010100001000640216221978510000102003820038200382003820038
100242003714900661968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001036640216221984610000102003820038200382003820038
100242003715000304196872510010101000010100005028476801200180200372003718444318767100102010000202000020037200371110021109101010000100201640216221978510000102003820038200382003820038
1002420037150001241968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001000640216221978510000102003820038200382003820038
100242003715000611968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001000640216221978510000102003820038200382003820038
100242003715000611968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001010640216221978510000102003820038200382003820038
1002420037150002241968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003711100211091010100001030640216221978510000102003820038200382003820038
1002420037150007021968725100101010000101000050284768012001802003720037184443187671001020100002020000200372003721100211091010100001000640216221978510000102003820038200382003820038

Test 3: Latency 1->3

Code:

  bic v0.8b, v1.8b, v0.8b
  movi v0.16b, 1
  movi v1.16b, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)031e3f4e51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)60696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d cache writeback (a8)accdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
102042003714903501968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
102042003715007891968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010010071011611197910100001002003820038200382003820038
102042003715002791968725101001001000010010000500284768002001820037200371842231874510100200100002002000020037200371110201100991001001000010010071011611197910100001002003820038200872003820038
102042003714901661968725101001001000010010000500284768012001820037200371842231874510100200100002042000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
102042003715009951968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
102042003715002541968725101001001000010010000500284768002001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
10204200371500611968725101001001000010010000500284768002001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
10204200371500611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010070071011611197910100001002003820132200382003820038
10204200371500611968725101001001000010010000500284768002001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038
10204200371500611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000071011611197910100001002003820038200382003820038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)031e3f4e51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d cache writeback (a8)acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
10024200371500145196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010200640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216321978510000102003820038200382003820038
1002420037150084196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010100640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200841844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820038200382003820038
1002420037149061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820038200382003820038
1002420037150061196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010000640216221978510000102003820132200382003820038
1002420037150082196872510010101000010100005028476802001820037200371844431876710010201000020200002003720037111002110910101000010030640316221978510000102003820038200382003820038

Test 4: throughput

Count: 8

Code:

  bic v0.8b, v8.8b, v9.8b
  bic v1.8b, v8.8b, v9.8b
  bic v2.8b, v8.8b, v9.8b
  bic v3.8b, v8.8b, v9.8b
  bic v4.8b, v8.8b, v9.8b
  bic v5.8b, v8.8b, v9.8b
  bic v6.8b, v8.8b, v9.8b
  bic v7.8b, v8.8b, v9.8b
  movi v8.16b, 9
  movi v9.16b, 10

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.2505

retire uop (01)cycle (02)03mmu table walk data (08)l2 tlb miss data (0b)18191e1f3f51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)60696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d tlb access (a0)l1d tlb miss (a1)ld unit uop (a6)st unit uop (a7)l1d cache writeback (a8)a9acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
802042005815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511031622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
8020420038150000000515258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000030511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038998139996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021622200350800001002003920039200392003920039
802042003815000000040258010010080000100800005006400001200192003820038997339996801002008000020016000020038200381180201100991001008000010000000000511021623200350800001002003920039200392003920039

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.2505

retire uop (01)cycle (02)03l2 tlb miss instruction (0a)18191e3f51schedule uop (52)schedule int uop (53)schedule simd uop (54)dispatch int uop (56)dispatch simd uop (57)int uops in schedulers (59)ldst uops in schedulers (5b)60696d6emap stall dispatch (70)map rewind (75)map stall (76)dispatch uop (78)map int uop (7c)map simd uop (7e)map int uop inputs (7f)map simd uop inputs (81)8283flush restart other nonspec (84)85inst all (8c)inst branch (8d)inst branch taken (90)inst branch cond (94)inst int alu (97)inst simd alu (9a)9fl1d tlb miss (a1)l1d cache writeback (a8)accfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
800242003915000027392580010108000010800005064000002001920038200389996310018800102080132201600002003820038118002110910108000010000502021164102003580000102003920039200392003920039
80024200381500001539258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000050207161152003580000102003920039200392003920039
800242003815000103925800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020816752003580000102003920039200392003920039
8002420038150000183925800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020716852003580000102003920039200392003920039
800242003815000003925800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020916862003580000102003920039200392003920039
80024200381500000704258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000050207161072003580000102003920039200392003920039
80024200381500000392580010108000010800005064000002001920038200389996310018800102080000201600002003820038118002110910108000010000502071610112003580000102003920039200392003920039
8002420038150000273925800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020716782003580000102003920039200392003920039
8002420038150000408244325800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020516882003580000102003920039200392003920039
80024200381500001923925800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100005020616572003580000102003920039200392003920039