Firestorm: USUBW (vector, 8H) measurements

Code:

  usubw v0.8h, v0.8h, v1.8b

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	1e	1f	3f	4e	51	schedule uop (52)	schedule simd uop (54)	dispatch simd uop (57)	ldst uops in schedulers (5b)	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 cache writeback (a8)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	f5	f6	f7	f8	fd
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	3	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	99	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038
1004	2037	15	12	0	61	1687	25	1000	1000	1000	264680	2018	2037	2037	1572	3	1895	1000	1000	2000	2037	2037	1	1	1001	1000	0	73	1	16	1	1	1787	1000	2038	2038	2038	2038	2038

Test 2: Latency 1->2

Code:

  usubw v0.8h, v0.8h, v1.8b

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	l2 tlb miss data (0b)	18	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	6b	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)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	20037	155	0	0	0	124	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	4	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	156	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	1	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	156	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20087	20038	20038	20038	20038
10204	20037	156	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20084	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	155	1	0	0	61	19687	25	10115	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	734	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	156	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	1	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	2	1	19791	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	61	19687	25	10100	100	10000	100	10000	500	2847680	0	20018	0	20037	20037	18422	3	18745	10100	200	10000	200	20000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	19791	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	l1i tlb fill (04)	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	61	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)	l1d cache writeback (a8)	a9	ac	cf	d0	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	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	5	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	4	16	3	6	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	156	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	1901	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	12	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	3	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	1	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	0	0	0	0	0	0	0	0	61	19687	25	10010	10	10000	10	10000	50	2847680	1	4	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	640	4	3	16	3	3	19785	0	10000	10	20038	20038	20038	20038	20038

Test 3: Latency 1->3

Code:

  usubw v0.8h, v1.8h, v0.8b

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 access (a0)	l1d tlb miss (a1)	ld unit uop (a6)	st unit uop (a7)	l1d cache writeback (a8)	a9	ac	c2	branch cond mispred nonspec (c5)	branch mispred nonspec (cb)	cd	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	155	0	0	0	0	0	0	61	19687	25	10100	100	10000	100	10152	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	25	0	9	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	0	0	0	68	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	6	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	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	10	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	24	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	5	0	186	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	0	0	0	0	0	0	346	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	0	0	66	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	156	0	0	0	0	0	0	61	19687	25	10100	100	10000	119	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	5	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	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	5	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	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	0	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	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	48	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	155	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	4	0	21	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 cache writeback (a8)	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
10024	20037	156	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	24	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	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	9	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	156	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	15	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	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	15	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	12	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	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	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	18	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	12	251	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	21	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	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	3	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	156	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	6	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038
10024	20037	155	0	61	19687	25	10010	10	10000	10	10000	50	2851529	1	20018	20037	20037	18444	3	18767	10010	20	10000	20	20000	20037	20037	1	1	10021	10	9	10	10	10000	10	1	9	640	2	16	2	2	19785	0	10000	10	20038	20038	20038	20038	20038

Test 4: throughput

Count: 8

Code:

  usubw v0.8h, v8.8h, v9.8b
  usubw v1.8h, v8.8h, v9.8b
  usubw v2.8h, v8.8h, v9.8b
  usubw v3.8h, v8.8h, v9.8b
  usubw v4.8h, v8.8h, v9.8b
  usubw v5.8h, v8.8h, v9.8b
  usubw v6.8h, v8.8h, v9.8b
  usubw v7.8h, v8.8h, v9.8b

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	18	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 tlb access (a0)	l1d cache writeback (a8)	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
80204	20038	155	0	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	31	3	5110	2	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	0	87	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20088
80204	20038	156	0	0	40	25	80100	100	80000	121	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	0	12	5110	1	16	1	2	20095	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	4	3	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	0	0	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	0	3	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	0	61	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	1	0	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	1	0	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	1	0	5110	1	16	1	1	20035	0	80000	100	20039	20039	20039	20039	20039
80204	20038	155	0	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	1	0	5110	1	16	1	1	20035	0	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)	l2 tlb miss data (0b)	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)	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)	ld unit uop (a6)	l1d cache writeback (a8)	ac	cf	d0	d2	d5	map dispatch bubble (d6)	db	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80024	20040	155	0	0	12	39	25	80010	10	80000	10	80000	50	640000	0	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	2	0	5020	0	0	2	16	0	3	3	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	156	0	0	0	352	25	80010	10	80000	12	80000	50	640000	0	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	5020	0	0	2	16	0	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	156	0	0	0	81	25	80010	10	80000	10	80000	50	640000	0	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	5020	0	0	2	16	0	2	3	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	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	5020	0	0	2	16	0	2	3	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	2	6	5020	0	0	2	16	0	4	4	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	4	0	5020	0	0	3	16	0	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	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	33	5020	0	0	3	16	0	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	12	39	25	80010	10	80000	10	80000	50	640000	0	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	18	5020	5	0	2	16	0	2	2	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	7	3	5020	0	0	2	16	0	3	5	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	161	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	20038	20038	9996	3	10018	80010	20	80000	20	160000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	4	3	5020	0	0	2	16	0	2	3	20035	0	80000	10	20039	20039	20039	20039	20039

USUBW (vector, 8H)

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