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

UMINP (vector, 8B)

Test 1: uops

Code:

  uminp 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)03l2 tlb miss data (0b)1e3f4e51schedule 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
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000373116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371506611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110006073116111787100020382038203820382038
100420371600611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038
100420371500611687251000100010002646802018203720371572318951000100020002037203711100110000073116111787100020382038203820382038

Test 2: Latency 1->2

Code:

  uminp 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)0309l2 tlb miss data (0b)181e1f3f4e51schedule 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)l1d cache writeback (a8)a9acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
10204200371500002010611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
102042003715000000611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
10204200371500003570611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
10204200371500005760611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
1020420037150000150611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
10204200371500005700611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
102042003715000000611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
1020420037150000450611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
10204200371500004620611968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000000071011611197910100001002003820038200382003820038
10204200371500001501031968725101001001000010010000500284768012001820037200371842231874510100200100002002000020037200371110201100991001001000010000003071011611197910100001002003820038200382003820038

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)6061696d6emap 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)acbranch mispred nonspec (cb)cdcfd0d5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
100242003715033611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400516331978510000102003820038200382003820038
1002420037150264611968725100101010000101000055284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
1002420037150378611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
100242003715024611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
1002420037150331171968725100101010000101000050284768005200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
100242003715027611968725100101010000101000050284768010200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
1002420037150456611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372013221100211091010100001000006400316331978510000102003820038200382003820038
10024200371500611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006405316331978510000102003820038200382003820038
100242003715015611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038
100242003715030611968725100101010000101000050284768000200182003720037184443187671001020100002020000200372003711100211091010100001000006400316331978510000102003820038200382003820038

Test 3: Latency 1->3

Code:

  uminp 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)03mmu table walk data (08)1e3f4e51schedule 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)c2branch cond mispred nonspec (c5)branch mispred nonspec (cb)cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
10204200371500336119687251010010010000100100005002847680120018200372003718429718741101002001000820020016200372003711102011009910010010000100001117180160019801100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680120018200372003718429618741101002001000820020016200372003711102011009910010010000100001117180160019801100001002003820038200382003820038
1020420037150096119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
10204200371500072619687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000017101160119791100001002003820038200382003820038
10204200371500186119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100300007101161119791100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
102042003715006666119687251010010010000100100005002847680120018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)03mmu table walk instruction (07)mmu table walk data (08)l2 tlb miss instruction (0a)l2 tlb miss data (0b)18191e1f3a3f4e51schedule 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)6061696d6emap 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)a9acc2cfd0d5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
1002420037150000000240061196872510010101000010100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000064052162219785010000102003820038200382003820038
1002420037150000000000726196872510010101000010100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000066752162219785010000102003820038200382003820038
100242003715000000000061196872510010101000010100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000064002162219785010000102003820038200382003820038
100242003715000000030061196872510010121000010100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000064053162219785010000102003820038200382003820038
100242003715000000000061196872510010101000010100005028476801520018200372003718444318767100122010000202000020037200371110021109101010000100000000064052162219787010000102003820038200382003820038
1002420037150000000510061196872510010101000010100005028476800520018200372003718444318767100102010000202000020037200371110021109101010000100000000064052162219785010000102003820038200382003820038
100242003715000000000061196872510010101000010100005028476801020018200372003718444318767100122010000202000020037200371110021109101010000100000000064002162219785010000102003820038200382003820038
1002420037150000000240061196872510010101000012100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000064002162219785010000102003820038200382003820038
100242003715000000000061196872510010101000010100005028476801520018200372003718444318767100102010000202000020037200371110021109101010000100000000064002162119785010000102003820038200382003820038
100242003715000000000061196872510010101000010100005028476800520018200372003718444318767100102010000202000020037200371110021109101010000100000000064002162219785010000102003820038200382003820038

Test 4: throughput

Count: 8

Code:

  uminp v0.8b, v8.8b, v9.8b
  uminp v1.8b, v8.8b, v9.8b
  uminp v2.8b, v8.8b, v9.8b
  uminp v3.8b, v8.8b, v9.8b
  uminp v4.8b, v8.8b, v9.8b
  uminp v5.8b, v8.8b, v9.8b
  uminp v6.8b, v8.8b, v9.8b
  uminp 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)03l2 tlb miss data (0b)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)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)9faccfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
8020420058150000040258020010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051102161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038149000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
8020420038150000040258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100051101161120035800001002003920039200392003920039
802042003815000004025801001008000010080000500640000200192003820038997339996802062008009620016000020038200381180201100991001008000010047551101161120035800001002003920039200392003920039

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)03mmu table walk instruction (07)l2 tlb miss instruction (0a)181e1f3a3f51schedule 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 cache writeback (a8)a9acc2cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
800242004715011030246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000150241816161620035080000102008820039200392003920039
800242003815511000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241616161620035080000102003920039200392003920039
8002420038150110002141258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241316171320035080000102003920039200392003920039
800242003814911000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241616151620035080000102003920039200392003920039
800242003815011000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241516151620035080000102003920039200392003920039
800242003815011000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241816161320035080000102003920039200392003920039
800242003815011000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241616181720035080000102003920039200392003920039
800242003815011000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241616181620035080000102003920039200392003920039
80024200381501100024625800101080000108000050640000020019200382003899963100188001020800002016000020038200381180021109101080000100000005024171681720035080000102003920039200392003920039
800242003815011000246258001010800001080000506400000200192003820038999631001880010208000020160000200382003811800211091010800001000000050241616151720035080000102003920039200392003920039