Firestorm: SSUBW2 (vector, 4S) measurements

Code:

  ssubw2 v0.4s, v0.4s, v1.8h

Initialization

  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

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	09	18	1e	3f	4e	51	schedule uop (52)	schedule simd uop (54)	dispatch simd uop (57)	ldst uops in schedulers (5b)	60	69	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map simd uop (7e)	map simd uop inputs (81)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst simd alu (9a)	l1d tlb access (a0)	l1d cache writeback (a8)	a9	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	f5	f6	f7	f8	fd
1004	2037	15	0	0	0	61	1687	25	1000	1000	1000	264680	0	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	0	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	0	61	1687	25	1000	1000	1000	264680	1	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	0	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	0	61	1687	25	1000	1000	1000	264680	1	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	1	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	0	61	1687	25	1000	1000	1000	264680	0	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	12	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	0	61	1687	25	1000	1000	1000	264680	1	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	4	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	0	141	1687	25	1000	1000	1000	265963	0	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	1	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	0	104	1687	25	1000	1000	1000	264680	1	2018	2037	2084	1572	3	1906	1152	1000	2000	2037	2037	1	1	1001	1000	0	17	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2085
1004	2037	16	0	0	0	61	1687	25	1000	1000	1000	264680	0	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	0	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	1	0	0	105	1687	25	1000	1000	1000	264680	0	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	18	2	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	0	165	1687	25	1012	1000	1000	264680	0	2054	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	3	0	73	3	16	3	3	1787	1000	2038	2038	2038	2038	2038

Test 2: Latency 1->2

Code:

  ssubw2 v0.4s, v0.4s, v1.8h

Initialization

  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

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	mmu table walk data (08)	18	19	1e	1f	3a	3f	4e	51	schedule 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)	60	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d tlb miss (a1)	l1d cache writeback (a8)	ac	c2	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	82	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	1	9	0	710	1	16	1	1	19791	0	10000	100	20086	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	145	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	12	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20084	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	160	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	9	0	710	1	16	1	1	19791	0	10000	100	20085	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	588	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	3	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	1	0	0	104	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20087	20086	20086	20038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	mmu table walk data (08)	l2 tlb miss instruction (0a)	l2 tlb miss data (0b)	18	19	1e	1f	3a	3f	4e	51	schedule 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)	60	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d tlb access (a0)	l1d tlb miss (a1)	ld unit uop (a6)	l1d cache writeback (a8)	a9	ac	c2	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10024	20037	150	0	0	0	0	0	0	0	0	251	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	3	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	124	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	2	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	15	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	42	0	0	82	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	536	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	1	0	3	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	3	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	145	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	61	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	0	0	0	0	0	0	0	550	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	0	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038

Test 3: Latency 1->3

Code:

  ssubw2 v0.4s, v1.4s, v0.8h

Initialization

  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

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	mmu table walk data (08)	l2 tlb miss instruction (0a)	l2 tlb miss data (0b)	18	19	1e	1f	3a	3f	4e	51	schedule 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)	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d tlb access (a0)	l1d tlb miss (a1)	ld unit uop (a6)	st unit uop (a7)	l1d cache writeback (a8)	a9	ac	c2	branch mispred nonspec (cb)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	20037	150	0	0	0	0	0	0	0	0	82	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	84	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	4	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	126	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	149	0	0	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	0	3	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	835	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	166	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	166	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	3	0	0	0	1	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	0	0	0	0	0	0	0	0	151	19687	25	10100	100	10000	100	10000	500	2847680	20018	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	1e	3f	4e	51	schedule 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)	60	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d tlb access (a0)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10024	20037	150	0	153	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19687	25	10010	10	10000	10	10000	50	2847680	0	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	168	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	1	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	84	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20086	20038	20038
10024	20037	149	0	631	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19687	25	10010	11	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	2	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	331	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	84	19687	25	10010	10	10000	10	10000	50	2847680	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19785	10000	10	20038	20038	20038	20038	20038

Test 4: throughput

Count: 8

Code:

  ssubw2 v0.4s, v8.4s, v9.8h
  ssubw2 v1.4s, v8.4s, v9.8h
  ssubw2 v2.4s, v8.4s, v9.8h
  ssubw2 v3.4s, v8.4s, v9.8h
  ssubw2 v4.4s, v8.4s, v9.8h
  ssubw2 v5.4s, v8.4s, v9.8h
  ssubw2 v6.4s, v8.4s, v9.8h
  ssubw2 v7.4s, v8.4s, v9.8h

Initialization

  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

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	1e	3f	51	schedule 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)	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d cache writeback (a8)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80204	20057	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	4	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	1	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	149	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20073	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	40	25	80100	100	80000	100	80000	500	640000	20019	20038	20038	9973	3	9996	80100	200	80000	200	160000	20038	20038	1	1	80201	100	99	100	100	80000	100	0	5110	1	16	1	1	20035	80000	100	20039	20039	20039	20039	20039

1000 unrolls and 10 iterations

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

All non-zero counters (first 10 of 64 runs)

retire uop (01)	cycle (02)	03	mmu table walk instruction (07)	mmu table walk data (08)	l2 tlb miss data (0b)	18	19	1e	1f	3f	51	schedule 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)	69	6d	6e	map 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)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d tlb access (a0)	ld unit uop (a6)	l1d cache writeback (a8)	a9	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80024	20048	150	0	0	0	0	0	0	0	295	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	3	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	2	3	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	144	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	171	0	39	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	1	0	0	5020	2	16	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	83	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	3	0	0	5020	3	16	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	1	1	1	0	0	0	104	81	45	80010	11	80000	10	80000	60	640768	20066	20086	20112	10004	6	10046	80010	20	80096	20	160000	20094	20094	2	1	80021	10	9	10	10	80000	10	0	2	0	0	1873	5106	2	60	4	3	20035	3	80000	10	20274	20290	20241	20284	20291
80024	20235	151	0	0	0	4	5	672	352	786	82	80200	14	80281	11	80292	61	643040	20173	20293	20190	10027	18	10018	80402	20	80389	20	160978	20240	20288	6	1	80021	10	9	10	10	80000	10	2	0	1	4	468	5087	7	58	3	3	20233	3	80000	10	20289	20290	20293	20237	20141
80024	20241	152	0	1	1	5	5	546	264	81	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	1099	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	2	3	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	6	0	192	25	80010	10	80000	10	80000	50	640000	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	5020	2	16	2	2	20035	0	80000	10	20039	20039	20039	20039	20039

SSUBW2 (vector, 4S)

Test 1: uops

1000 unrolls and 1 iteration

Test 2: Latency 1->2

100 unrolls and 100 iterations

1000 unrolls and 10 iterations

Test 3: Latency 1->3

100 unrolls and 100 iterations

1000 unrolls and 10 iterations

Test 4: throughput

100 unrolls and 100 iterations

1000 unrolls and 10 iterations