Firestorm: UQSHRN2 (8H) measurements

Code:

  uqshrn2 v0.16b, v1.8h, #3

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	19	1e	1f	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 cache writeback (a8)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	f5	f6	f7	f8	fd
1004	3037	23	0	0	0	107	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	4	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	259	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	256	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	222	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	2	1	1001	1000	1	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	195	2539	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	170	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	254	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	61	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	1	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	309	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	22	0	0	0	441	2548	25	1000	1000	1000	398313	1	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2630	1000	3038	3038	3038	3038	3038

Test 2: Latency 1->1

Code:

  uqshrn2 v0.16b, v1.8h, #3

Initialization

  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

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

retire uop (01)	cycle (02)	03	mmu table walk data (08)	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)	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 cache writeback (a8)	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	30037	225	0	0	0	0	30	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	2	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	224	0	0	0	0	24	264	0	61	29548	25	10100	100	10000	100	10000	500	4278815	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	315	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	465	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	372	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	363	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	30	264	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	429	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30085	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	27	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	0	21	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	0	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	710	1	16	1	1	29634	0	10000	100	30038	30038	30038	30038	30038

1000 unrolls and 10 iterations

Result (median cycles for code): 3.0037

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 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)	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)	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	30037	224	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10000	10	10000	60	4277313	1	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	1	0	0	705	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	224	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	224	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	726	29548	25	10010	12	10000	12	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10163	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30131	224	0	0	0	0	0	0	0	0	0	536	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10012	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	6	2	29632	2	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	61	29548	25	10010	10	10024	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	61	29548	25	10012	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	0	0	0	640	2	16	2	2	29630	0	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	0	0	0	0	0	0	0	103	29548	25	10010	10	10000	10	10000	50	4277313	0	30018	30037	30037	28287	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	2	0	0	0	0	0	640	2	16	2	2	29630	2	10000	10	30038	30038	30038	30038	30038

Test 3: Latency 1->2

Code:

  uqshrn2 v0.16b, v0.8h, #3

Initialization

  movi v0.16b, 1

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 3.0037

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

retire uop (01)	cycle (02)	03	19	1e	1f	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 tlb miss (a1)	l1d cache writeback (a8)	a9	ac	branch cond mispred nonspec (c5)	branch mispred nonspec (cb)	cd	cf	map dispatch bubble (d6)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	30037	225	0	30	0	293	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28252	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	1	0	0	1	1	1	718	16	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	224	0	18	0	726	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	0	30037	30037	28271	6	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	1	0	0	1	1	1	717	16	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	30	0	61	29547	25	10100	100	10000	100	10000	500	4278507	1	30018	0	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	3	1	1	1	718	16	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	18	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	7	28740	10100	200	10008	200	20016	30084	30085	2	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29645	10000	100	30181	30038	30038	30038	30038
10204	30037	225	0	69	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	6	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	224	0	27	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	7	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	9	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	7	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	12	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	6	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	0	15	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	0	30037	30037	28271	7	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	1	1	1	718	16	29646	10000	100	30038	30038	30038	30038	30038

1000 unrolls and 10 iterations

Result (median cycles for code): 3.0037

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

retire uop (01)	cycle (02)	03	1e	1f	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)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10024	30037	225	90	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	3	4	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	15	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	3	16	4	4	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	9	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	4	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	4	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	3	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	3	16	3	4	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	15	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	3	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	54	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	3	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	224	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	3	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	640	4	16	4	3	29629	10000	10	30038	30038	30038	30038	30038

Test 4: throughput

Count: 8

Code:

  movi v0.16b, 0
  uqshrn2 v0.16b, v8.8h, #3
  movi v1.16b, 0
  uqshrn2 v1.16b, v8.8h, #3
  movi v2.16b, 0
  uqshrn2 v2.16b, v8.8h, #3
  movi v3.16b, 0
  uqshrn2 v3.16b, v8.8h, #3
  movi v4.16b, 0
  uqshrn2 v4.16b, v8.8h, #3
  movi v5.16b, 0
  uqshrn2 v5.16b, v8.8h, #3
  movi v6.16b, 0
  uqshrn2 v6.16b, v8.8h, #3
  movi v7.16b, 0
  uqshrn2 v7.16b, v8.8h, #3

Initialization

  movi v8.16b, 9

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.2508

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

retire uop (01)	cycle (02)	03	18	19	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 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)	branch cond mispred nonspec (c5)	branch mispred nonspec (cb)	cd	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	ea	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
160204	20088	151	0	0	129	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160268	20065	20065	2	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	1	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	151	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	151	0	0	237	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	2	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	18	29	25	80116	106	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20131	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	0	0	15	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	151	0	0	0	29	25	80116	100	80016	100	80028	500	640196	1	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	1	1	1	10119	0	16	0	0	20062	0	160000	100	20066	20066	20066	20066	20066

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.2507

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

retire uop (01)	cycle (02)	03	l1i tlb fill (04)	mmu table walk data (08)	18	19	1e	1f	3a	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)	5f	60	61	69	6d	6e	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	st unit uop (a7)	l1d cache writeback (a8)	ac	cf	d0	d2	l1i cache miss demand (d3)	d5	map dispatch bubble (d6)	d9	da	db	dd	fetch restart (de)	e0	ea	ec	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
160024	20077	150	0	0	0	0	42	0	1	57	29	80010	10	80000	10	80000	50	640000	0	0	0	20041	20071	20060	3	22	80010	20	80000	20	160000	20060	20060	1	1	160021	10	9	10	10	160000	10	0	0	0	10035	6	2	2	20	34	3	2	2	14	18	20050	20	1	160000	10	20052	20054	20054	20052	20052
160024	20051	150	0	0	0	0	6	0	0	45	29	80010	10	80000	10	80000	50	640000	0	1	5	20043	20060	20060	3	22	80010	20	80000	20	160000	20051	20051	1	1	160021	10	9	10	10	160000	10	0	0	0	10041	3	5	1	20	27	1	1	1	19	18	20050	20	1	160000	10	20054	20052	20052	20052	20052
160024	20051	150	0	0	0	0	45	0	0	45	27	80010	10	80000	10	80000	50	640000	1	1	5	20032	20051	20051	3	22	80010	20	80000	20	160000	20053	20053	1	1	160021	10	9	10	10	160000	10	0	0	0	10040	8	5	1	18	25	2	1	1	17	12	20048	21	1	160000	10	20052	20052	20052	20052	20054
160024	20053	151	0	0	0	0	9	0	0	45	27	80010	10	80000	10	80000	50	640000	1	1	5	20034	20062	20053	3	22	80010	20	80000	20	160000	20051	20051	1	1	160021	10	9	10	10	160000	10	0	0	0	10038	8	5	1	13	25	1	1	1	16	17	20048	20	1	160000	10	20052	20052	20052	20052	20054
160024	20053	150	0	0	0	0	24	0	0	45	27	80010	10	80000	10	80000	50	640000	1	0	5	20032	20060	20051	3	22	80010	20	80000	20	160000	20051	20051	1	1	160021	10	9	10	10	160000	10	0	0	0	10039	3	1	1	17	25	1	1	1	18	19	20050	20	1	160000	10	20052	20052	20054	20054	20052
160024	20053	150	0	0	0	0	0	0	0	45	27	80010	10	80000	10	80000	50	640000	1	0	0	20034	20051	20051	3	22	80010	20	80000	20	160000	20051	20053	1	1	160021	10	9	10	10	160000	10	0	0	0	10038	3	1	1	15	27	2	1	1	13	16	20048	20	1	160000	10	20052	20052	20052	20052	20054
160024	20051	150	0	0	0	0	72	0	0	45	27	80010	10	80000	10	80000	50	640000	1	1	0	20032	20051	20051	3	22	80010	20	80000	20	160000	20051	20051	1	1	160021	10	9	10	10	160000	10	0	0	69	10036	8	5	1	10	25	1	1	1	16	21	20048	20	1	160000	10	20052	20052	20052	20054	20052
160024	20051	150	0	0	0	0	15	0	0	68	27	80010	10	80000	10	80000	50	640000	1	0	5	20032	20062	20051	3	22	80010	20	80000	20	160000	20053	20053	1	1	160021	10	9	10	10	160000	10	0	0	0	10039	3	1	1	17	27	2	1	1	15	17	20048	21	1	160000	10	20052	20054	20054	20052	20052
160024	20051	150	0	0	0	0	51	0	0	45	27	80010	11	80000	10	80000	50	640000	1	0	5	20032	20051	20051	3	22	80010	20	80000	20	160000	20053	20053	1	1	160021	10	9	10	10	160000	10	0	0	0	10041	3	1	1	12	25	1	1	1	17	16	20050	20	1	160000	10	20052	20052	20052	20052	20052
160024	20051	150	0	0	0	0	0	0	0	45	27	80010	10	80000	10	80000	50	640000	1	0	5	20134	20053	20051	3	22	80010	20	80000	20	160000	20051	20051	1	1	160021	10	9	10	10	160000	10	0	0	0	10034	8	5	1	17	27	1	1	1	15	17	20048	20	1	160000	10	20052	20052	20052	20052	20052

Test 5: throughput

Count: 16

Code:

  uqshrn2 v0.16b, v16.8h, #3
  uqshrn2 v1.16b, v16.8h, #3
  uqshrn2 v2.16b, v16.8h, #3
  uqshrn2 v3.16b, v16.8h, #3
  uqshrn2 v4.16b, v16.8h, #3
  uqshrn2 v5.16b, v16.8h, #3
  uqshrn2 v6.16b, v16.8h, #3
  uqshrn2 v7.16b, v16.8h, #3
  uqshrn2 v8.16b, v16.8h, #3
  uqshrn2 v9.16b, v16.8h, #3
  uqshrn2 v10.16b, v16.8h, #3
  uqshrn2 v11.16b, v16.8h, #3
  uqshrn2 v12.16b, v16.8h, #3
  uqshrn2 v13.16b, v16.8h, #3
  uqshrn2 v14.16b, v16.8h, #3
  uqshrn2 v15.16b, v16.8h, #3

Initialization

  movi v16.16b, 17

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.2502

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)	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)	l1d cache writeback (a8)	a9	ac	branch cond mispred nonspec (c5)	branch mispred nonspec (cb)	cd	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
160204	40059	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	299	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	3	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	3	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40102	19977	6	19990	160120	200	160032	202	320064	40039	40203	1	1	160201	100	99	100	100	160000	100	0	0	0	1	0	3	1	1	1	10118	0	39	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	299	48	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	20024	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	299	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040
160204	40039	299	0	30	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	160000	100	40040	40040	40040	40040	40040

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.2502

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)	5f	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 cache writeback (a8)	ac	cf	d0	d2	l1i cache miss demand (d3)	d5	map dispatch bubble (d6)	d9	da	db	dd	fetch restart (de)	e0	ea	eb	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	8	2	1	28	16	2	2	1	24	17	40036	30	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	60	160108	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	23	16	2	1	1	24	24	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	216	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160122	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	25	16	2	1	1	24	25	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	26	16	2	1	1	23	23	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	24	16	2	1	1	24	25	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	25	16	2	1	1	23	23	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	1	0	10022	13	7	1	25	16	2	1	1	24	25	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	299	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	24	16	2	1	1	24	24	40036	15	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	0	46	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	1	0	10022	13	7	1	23	16	2	1	1	23	23	40036	15	5	160000	10	40040	40040	40040	40040	40145
160024	40039	300	0	52	25	160010	10	160000	10	160000	50	1280000	1	1	10	40020	40039	40039	19996	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	10022	13	7	1	22	16	2	1	1	23	23	40036	15	5	160000	10	40040	40040	40040	40040	40040

UQSHRN2 (8H)

Test 1: uops

1000 unrolls and 1 iteration

Test 2: Latency 1->1

100 unrolls and 100 iterations

1000 unrolls and 10 iterations

Test 3: Latency 1->2

100 unrolls and 100 iterations

1000 unrolls and 10 iterations

Test 4: throughput

100 unrolls and 100 iterations

1000 unrolls and 10 iterations

Test 5: throughput

100 unrolls and 100 iterations

1000 unrolls and 10 iterations