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

FMINNM (scalar, S)

Test 1: uops

Code:

  fminnm s0, s0, s1
  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)03191e3f4e51schedule uop (52)schedule simd uop (54)dispatch simd uop (57)ldst uops in schedulers (5b)60696d6emap 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
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110001373216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110001073216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
10042037150126116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038
1004203716006116872510001000100026468002018203720371572318951000100020002037203711100110000373216221787100020382038203820382038
1004203715006116872510001000100026468002018203720371572318951000100020002037203711100110000073216221787100020382038203820382038

Test 2: Latency 1->2

Code:

  fminnm s0, s0, s1
  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)03l2 tlb miss data (0b)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)simd prf full (72)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)st unit uop (a7)l1d cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
1020420037150002041968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119856100001002003820038200382003820038
102042003715000611968725101001001000810010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
1020420037150006591968725101001001000010010000500284768012001820037200371842203187451010020010000200200002003720037111020110099100100100001000010221657321161119791100001002003820038200382003820038
102042003715010611968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
1020420037150008061968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
1020420037150001031968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
1020420037150006119687251010010010000100100005002847680020018200372003718422031874510100200100002002000020037200371110201100991001001000010000019067101161119791100001002003820038200382003820038
1020420037150001241968725101001001000010010000500284768002001820037200371842273187451010020010000200200002003720037111020110099100100100001000000007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768002001820037200371842203187451010020010000200200002003720037111020110099100100100001000003101177101161119791100001002003820038200382003820038

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)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)ld unit uop (a6)l1d cache writeback (a8)acbranch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
10024200371500611968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000306403163319785010000102003820038200382003820038
10024200371500611968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000306403163319785010000102003820038200382003820038
100242003715102081968725100481010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000006403163319785010000102003820038200382003820038
10024200371500611968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000306403163319785010000102003820038200382003820038
1002420085150043019687251001010100001010000502847680120018200372003718444318767100102010000202000020037200371110021109101010000100013006403163319785010000102003820038200382003820038
100242003715001451968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010001006403163319785010000102003820038200382003820038
100242003715002611968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000006403163319785010000102003820038200382003820038
100242003715001661968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000006403163319785010000102003820038200382003820038
10024200371500611968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010020006403163319785010000102003820038200382003820038
100242003715001681968725100101010000101000050284768012001820037200371844431876710010201000020200002003720037111002110910101000010000006403163319785010000102003820038200382003820038

Test 3: Latency 1->3

Code:

  fminnm s0, s1, s0
  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)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 tlb access (a0)l1d cache writeback (a8)acc2branch cond mispred nonspec (c5)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
1020420037150002101968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100023156017101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
102042003715000103196872510100100100001001000050028476802001820037200371842231874510100200100002002000020037200371110201100991001001000010003375007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100210007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820083
102042003715000611968725101161001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
1020420037150001891968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038
102042003715000611968725101001001000010010000500284768020018200372003718422318745101002001000020020000200372003711102011009910010010000100000007101161119791100001002003820038200382003820038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

retire uop (01)cycle (02)03191e3f4e51schedule 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)a9accdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
10024200371500082196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000101000640316221978510000102003820038200382003820038
10024200371500061196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
100242003715000394196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
10024200371500084196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
10024200371500061196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
10024200371490084196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
10024200371500162841968725100101010000101000050284768002001802003720037184443187671001020100002020000200372003711100211091010100001032000640216221978510000102003820038200382003820038
10024200371500061196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
10024200371560084196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100000640216221978510000102003820038200382003820038
100242003715000608196872510010101000010100005028476800200180200372003718444318767100102010000202000020037200371110021109101010000100200640216221978510000102003820038200382003820038

Test 4: throughput

Count: 8

Code:

  fminnm s0, s8, s9
  fminnm s1, s8, s9
  fminnm s2, s8, s9
  fminnm s3, s8, s9
  fminnm s4, s8, s9
  fminnm s5, s8, s9
  fminnm s6, s8, s9
  fminnm s7, s8, s9
  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 instruction (0a)181e3a3f51schedule 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 tlb miss (a1)l1d cache writeback (a8)acc2cfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
80204200581500001126258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051103161120035800001002003920039200392003920039
8020420038150000140258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000251101161120035800001002003920039200392003920039
8020420038150000161258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039
80204200381500012140258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039
80204200381500001825258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039
8020420038150000140258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039
802042003815000017412580100100800001008000050064000020019200382003899737100228010020080096200160000200382003811802011009910010080000100210051101161120035800001002003920039200392003920039
8020420038150000140258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100003051101161120035800001002003920039200392003920039
8020420038150000140258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039
8020420038150000182258010010080000100800005006400002001920038200389973399968010020080000200160000200382003811802011009910010080000100000051101161120035800001002003920039200392003920039

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)03l1i tlb fill (04)mmu table walk data (08)09l2 tlb miss data (0b)18191e1f3a3f51schedule 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 tlb access (a0)l1d tlb miss (a1)ld unit uop (a6)l1d cache writeback (a8)a9acc2cdcfd5map dispatch bubble (d6)ddfetch restart (de)dfe0? int output thing (e9)eb? simd retires (ee)? int retires (ef)f5f6f7f8fd
800242004715000000000339258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022316222200350080000102003920039200392003920039
8002420038150000000001622580010108000010800005064000020019200382003899963100188001020800002016000020038200381180021109101080000100003203005022216222200350080000102003920039200392003920039
800242003815000000000139258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039
80024200381500000000011023258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039
800242003815000000000185258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039
80024200381500000000012522580010108000010800005064000020019200382003899963100188001020800002016000020038200381180021109101080000100003303005022216322200350080000102003920039200392003920039
800242003815000000000283258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039
800242003815000000000139258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039
800242003815000000000160258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000100005022216222200350080000102003920039200392003920039
800242003815000000000139258001010800001080000506400002001920038200389996310018800102080000201600002003820038118002110910108000010000000005022216222200350080000102003920039200392003920039