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

FMINNMV (4H)

Test 1: uops

Code:

  fminnmv h0, v0.4h
  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)03mmu table walk instruction (07)l2 tlb miss instruction (0a)3a3f4e51schedule 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 tlb access (a0)st unit uop (a7)l1d cache writeback (a8)a9accfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)f5f6f7f8fd
1004303723112722547251000100010003981603018303730372414328951000100010003037303711100110000010077416442629100030383038303830383038
1004303723112672547251000100010003981603018303730372414328951000100010003037303711100110000000077416442629100030383038303830383038
1004303723112672547251000100010003981603018303730372414328951000100010003037303711100110000000377416442629100030383038303830383038
1004303722112682547251000100010003981603018303730372414328951000100010003037303711100110000000077416442629100030383038303830383038
1004303723112682547251000100010003981603018303730372414328951000100010003037303711100110000000077416442629100030383038303830383038
1004303723112682547251000100010003981603018303730372414328951000100010003037303711100110000000077416442629100030383038303830383038
1004303723112672547251000100010003981603018303730372414328951000100010003037303711100110000000077416442629100030383038303830383038
1004303722112682547251000100010003981603018303730372414328951000100010003037303711100110000000377416442629100030383038303830383038
1004303723112682547251000100010003981603018303730372414328951000100010003037303711100110000000677416442629100030383038303830383038
1004303723112682547251000100010003981603018303730372414328951000100010003037303711100110000000677416442629100030383038303830383038

Test 2: Latency 1->2

Code:

  fminnmv h0, v0.4h
  movi v0.16b, 1
  movi v1.16b, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 3.0037

retire uop (01)cycle (02)03l2 tlb miss instruction (0a)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)acbranch cond mispred nonspec (c5)branch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0? int output thing (e9)? simd retires (ee)? int retires (ef)f5f6f7f8fd
1020430037225006129547251010010010000100100005004277160130018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
102043003722500577429547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
10204300372250012729547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071001622296330100001003003830038300383003830038
1020430037225006129547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
10204300372250037929547251010012010016110100005004277160030018300373003728264728745101002001000020010000300373003731102011009910010010000100000071021622296330100001003003830038300383003830038
10204300372250014529547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
102043003722400395129547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
10204300372250010329547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100160071021622296330100001003003830038300383003830038
10204300372250310329547251010010010000100100005004277160130018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038
10204300372250012429547251010010010000100100005004277160030018300373003728264328745101002001000020010000300373003711102011009910010010000100000071021622296330100001003003830038300383003830038

1000 unrolls and 10 iterations

Result (median cycles for code): 3.0037

retire uop (01)cycle (02)03mmu table walk data (08)l2 tlb miss data (0b)18191e1f3f4e51schedule 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 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
100243003722500000050329547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722400000014529547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000012429547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000010129547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000014729547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383008230038
100243003722500000012429547251001010100001010000504277160130065030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500009012429547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000012429547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000010329538251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038
100243003722500000014729547251001010100001010000504277160130018030037300372828632876710010201000020100003003730037111002110910101000010000000006402162229629010000103003830038300383003830038

Test 3: throughput

Count: 8

Code:

  fminnmv h0, v8.4h
  fminnmv h1, v8.4h
  fminnmv h2, v8.4h
  fminnmv h3, v8.4h
  fminnmv h4, v8.4h
  fminnmv h5, v8.4h
  fminnmv h6, v8.4h
  fminnmv h7, v8.4h
  movi v8.16b, 9

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.2506

retire uop (01)cycle (02)031e1f3f51schedule 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)a9acbranch cond mispred nonspec (c5)branch mispred nonspec (cb)cdcfd5map dispatch bubble (d6)ddfetch restart (de)e0? simd retires (ee)? int retires (ef)f5f6f7f8fd
8020420061150007225801081008000810080020500640132120020200392003999776999080120200800322008003220039200391180201100991001008000010000011151180160020036800001002004020040200402004020040
8020420039150003025801081008000810080020500640132120020200392003999776999080120200800322008003220039200391180201100991001008000010010011151180160020036800001002004020040200402004020040
8020420039150007425801081008000810080020500640132120020200392003999776999080120200800322008003220039200391180201100991001008000010000011151180160020036800001002004020040200402004020040
80204200391506074925801081008000810080020500640132120020200392003999776999080120200800322008003220039200391180201100991001008000010000011151180160020036800001002005020049200492004920050
8020420049150008527801161008001610080028500640196120029200482004899769998680128200800382008003820049200481180201100991001008000010000022251281231120046800001002004920049200492004920050
8020420048150006427801161008001610080028500640196120029200492004899769998680128200800382008003820049200491180201100991001008000010000022251291231120046800001002005020050200492004920049
8020420048150006426801161008001610080028500640196120029200482004999769998680128200800382008003820049200481180201100991001008000010000022251281231220045800001002004920050200502004920050
802042004915600173268011610080016100800285006401961200292004920110997610998680128200800382008003820049200481180201100991001008000010000022251291231120045800001002005020049200492004920050
8020420048150006426801161008001610080028500640196120029200492004999769998680128200800382008003820048200481180201100991001008000010010022251291231120046800001002005020259200492005020049
8020420048150008527801161008001610080028500640196120029200482004899769998680128200800382008003820048200481180201100991001008000010000022251281231120045800001002004920050200502005020049

1000 unrolls and 10 iterations

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

retire uop (01)cycle (02)031e3f51schedule 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)branch mispred nonspec (cb)cfd5map dispatch bubble (d6)ddfetch restart (de)e0ea? simd retires (ee)? int retires (ef)f5f6f7f8fd
800242005115001262580010108000010800005064000012002020039200399996310019800102080000208000020039200391180021109101080000100050202162520036080000102004020040200402004020040
80024200391500402580010108000010800005064000012002020039200399996310019800102080000208000020039200391180021109101080000100050202162420036080000102004020040200402004020040
80024200391500402580010108000010800005064000012002020039200399996310019800102080000208000020039200391180021109101080000100050202162520036080000102004020040200402004020040
800242003915001032580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162520036080000102004020040200402004020040
800242003915001912580010108008010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162520036080000102004020040200402004020040
80024200391500402580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162520036080000102004020040200402004020040
800242003915005632580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162420036080000102004020040200402004020040
80024200391500402580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100150202162320036080000102004020040200402004020040
80024200391500822580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162420036080000102004020040200402004020040
800242003915001472580010108000010800005064000002002020039200399996310019800102080000208000020039200391180021109101080000100050202162220036080000102004020040200402004220040