Firestorm: USRA (vector, 2S) measurements

Code:

  usra v0.2s, v1.2s, #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	mmu table walk data (08)	l2 tlb miss data (0b)	18	19	1e	1f	3a	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 tlb miss (a1)	ld unit uop (a6)	l1d cache writeback (a8)	a9	ac	c2	cf	d0	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	f5	f6	f7	f8	fd
1004	3037	24	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	24	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	12	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	1	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	3	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	12	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	16	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	0	61	2548	25	1000	1000	1000	398313	0	3018	3037	3037	2415	3	2895	1000	1000	2000	3037	3037	1	1	1001	1000	0	0	0	0	0	0	0	73	0	1	16	1	1	2630	1000	3038	3038	3038	3038	3038

Test 2: Latency 1->1

Code:

  usra v0.2s, v1.2s, #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)	19	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)	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)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	eb	ec	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	30037	233	0	0	0	12	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	2	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	2	0	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	3	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	726	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29664	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	66	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	0	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4278675	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	0	0	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	12	61	29548	25	10100	100	10000	100	10000	500	4277313	30018	30037	30037	28265	3	28745	10100	200	10000	200	20000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	710	1	16	1	1	29634	0	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	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	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	cd	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10024	30037	233	0	0	61	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30071	30038	30038
10024	30037	233	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	2908	0	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	61	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	61	29548	25	10010	10	10000	10	10000	50	4277797	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	232	0	0	61	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	12	61	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	361	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	232	0	0	148	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	225	0	0	61	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	117	29548	25	10010	10	10000	10	10000	50	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	640	2	16	2	2	29630	10000	10	30038	30038	30038	30038	30038

Test 3: Latency 1->2

Code:

  usra v0.2s, v0.2s, #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	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 cache writeback (a8)	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
10204	30037	225	33	0	0	251	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	30037	30037	28252	7	28741	10100	200	10008	200	20016	30037	30037	2	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	29645	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	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	718	0	16	0	0	29646	10000	100	30038	30038	30038	30038	30080
10204	30037	225	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	6	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	6	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	718	0	16	0	0	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	225	6	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	12	1	1	1	717	0	16	0	0	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	225	9	176	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	30037	30037	28271	7	28740	10100	200	10008	200	20348	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	718	0	16	0	0	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	232	18	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	6	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	7	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	718	0	16	0	0	29646	10000	100	30038	30038	30038	30038	30038
10204	30037	225	9	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	30018	30037	30037	28271	7	28741	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	29645	10000	100	30038	30038	30038	30038	30038
10204	30037	225	24	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	30018	30037	30037	28271	6	28740	10100	200	10008	200	20016	30037	30037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	29645	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)	ac	c2	cd	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	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	0	0	0	640	4	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	6	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	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	224	150	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	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	45	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	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	537	0	61	29547	25	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10160	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	24	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	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	224	24	0	61	29547	25	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	6	0	61	29529	25	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10010	20	10000	20	20000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	225	27	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	2	1	10021	10	9	10	10	10000	10	0	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	224	12	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	0	0	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038

Test 4: throughput

Count: 8

Code:

  movi v0.16b, 0
  usra v0.2s, v8.2s, #3
  movi v1.16b, 0
  usra v1.2s, v8.2s, #3
  movi v2.16b, 0
  usra v2.2s, v8.2s, #3
  movi v3.16b, 0
  usra v3.2s, v8.2s, #3
  movi v4.16b, 0
  usra v4.2s, v8.2s, #3
  movi v5.16b, 0
  usra v5.2s, v8.2s, #3
  movi v6.16b, 0
  usra v6.2s, v8.2s, #3
  movi v7.16b, 0
  usra v7.2s, v8.2s, #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	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	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 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
160204	20065	150	0	0	0	0	3	0	12	0	0	29	25	80116	100	80016	100	80028	500	640196	0	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	3	0	1	1	1	10119	1	114	1	1	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	1	0	1	0	0	0	63	0	0	29	25	80116	100	80016	100	80132	500	640196	0	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	1	0	0	0	1	1	1	10119	1	16	1	1	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	151	1	0	1	0	2	0	57	0	0	50	25	80116	100	80016	100	80028	500	640196	0	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	0	0	1	1	1	10119	1	16	1	1	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20146	150	1	0	1	0	0	0	30	0	0	29	25	80116	100	80016	100	80028	500	640196	0	20110	20065	20065	6	75	80128	200	80028	200	160056	20227	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	0	0	1	1	1	10119	1	16	1	1	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	1	0	1	0	3	0	63	0	0	29	25	80116	100	80016	100	80028	500	640196	0	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	0	0	1	1	1	10119	1	16	1	1	20062	0	160000	100	20066	20066	20066	20066	20066
160204	20065	150	1	0	1	0	0	0	63	0	0	266	25	80116	100	80016	100	80028	500	640196	0	20045	20065	20065	6	12	80128	200	80028	200	160056	20065	20065	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	0	0	1	1	1	10119	1	16	1	1	20130	0	160000	100	20455	20402	20405	20456	20402
160204	20400	153	0	1	1	1	4	4	684	352	0	918	186	80645	100	80436	104	80552	500	643548	0	20375	20392	20390	45	98	80552	200	80453	202	160898	20458	20400	6	1	160201	100	99	100	100	160000	100	0	0	0	0	1	0	2400	2	1	1	1	10216	4	148	1	2	20396	0	160000	100	20484	20403	20477	20484	20403
160204	20479	154	2	1	0	1	4	5	678	440	0	974	29	80100	100	80000	100	80000	500	640000	0	20056	20075	20075	6	21	80100	200	80000	200	160000	20075	20075	1	1	160201	100	99	100	100	160000	100	2	0	0	0	0	0	3	0	1	1	1	10122	3	24	3	3	20072	0	160000	100	20155	20076	20076	20076	20157
160204	20075	150	0	0	0	1	0	0	75	0	0	74	29	80100	100	80000	100	80000	500	640000	0	20056	20075	20164	6	21	80100	200	80000	200	160000	20075	20075	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	1480	0	1	1	1	10122	3	24	3	4	20072	0	160000	100	20076	20076	20239	20076	20076
160204	20075	150	0	0	0	0	0	0	78	0	0	95	29	80100	100	80000	100	80000	500	642512	0	20056	20075	20075	6	21	80100	200	80000	200	160000	20075	20075	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	0	0	0	1	1	1	10122	3	24	3	3	20072	0	160000	100	20076	20076	20076	20076	20076

1000 unrolls and 10 iterations

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

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

retire uop (01)	cycle (02)	03	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)	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	l1d tlb access (a0)	l1d tlb miss (a1)	l1d cache writeback (a8)	a9	ac	cd	cf	d0	d2	l1i cache miss demand (d3)	d5	map dispatch bubble (d6)	d9	da	db	dd	fetch restart (de)	e0	ea	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
160024	20086	156	75	0	93	25	80010	10	80000	10	80000	50	640000	1	0	0	20031	20046	20046	3	22	80010	20	80000	20	160000	20046	20046	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10029	11	4	2	5	24	4	2	2	3	4	20047	30	160000	10	20051	20051	20051	20051	20051
160024	20050	150	54	0	51	25	80010	10	80000	10	80000	50	640000	0	1	5	20031	20050	20050	3	22	80010	20	80000	20	160000	20050	20050	1	1	160021	10	9	10	10	160000	10	0	0	3	2	3	0	10027	8	4	1	4	20	2	1	1	4	4	20043	15	160000	10	20047	20047	20047	20047	20047
160024	20046	150	51	0	87	25	80010	10	80000	10	80000	50	640000	1	0	0	20027	20046	20046	3	22	80010	20	80000	20	160000	20046	20046	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10026	8	4	1	3	20	2	1	1	4	4	20043	15	160000	10	20047	20047	20047	20047	20047
160024	20046	150	51	0	93	25	80010	10	80000	10	80000	50	640000	0	1	5	20031	20050	20050	3	22	80010	20	80000	20	160000	20050	20050	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10030	11	5	2	4	20	4	2	2	4	3	20047	30	160000	10	20051	20051	20051	20051	20051
160024	20050	150	276	0	66	25	80010	10	80000	10	80000	50	640000	1	1	5	20027	20046	20046	3	22	80010	20	80000	20	160000	20046	20046	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10030	11	5	2	4	24	4	2	2	4	4	20047	30	160000	10	20051	20051	20051	20051	20051
160024	20050	150	39	0	87	25	80010	10	80000	10	80000	50	640000	1	0	0	20027	20050	20050	3	22	80010	20	80000	20	160000	20050	20050	1	1	160021	10	9	10	10	160000	10	0	0	0	0	3	0	10026	3	1	1	4	20	2	1	1	4	4	20043	15	160000	10	20047	20047	20047	20047	20047
160024	20046	150	0	0	45	25	80010	10	80000	10	80000	50	640000	1	0	5	20027	20050	20050	3	22	80010	20	80000	20	160000	20050	20050	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10026	8	1	1	4	20	2	1	1	4	3	20043	15	160000	10	20047	20047	20047	20047	20047
160024	20046	150	63	0	45	25	80010	10	80000	10	80000	50	640000	1	0	0	20027	20050	20050	3	22	80010	20	80000	20	160000	20050	20050	1	1	160021	10	9	10	10	160000	10	0	0	1	0	0	0	10026	8	1	1	3	20	2	1	1	3	4	20043	15	160000	10	20047	20047	20047	20047	20047
160024	20046	150	51	0	330	25	80010	10	80000	10	80000	50	640000	1	0	0	20027	20046	20046	3	22	80010	20	80000	20	160000	20046	20046	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10029	11	5	2	3	24	4	2	2	4	3	20047	30	160000	10	20051	20051	20051	20051	20051
160024	20050	150	30	0	87	25	80010	10	80000	10	80000	50	640000	1	1	5	20027	20046	20046	3	22	80010	20	80000	20	160000	20046	20046	1	1	160021	10	9	10	10	160000	10	0	0	1	0	3	0	10026	3	4	1	4	20	2	1	1	4	3	20043	15	160000	10	20047	20047	20047	20047	20047

Test 5: throughput

Count: 16

Code:

  usra v0.2s, v16.2s, #3
  usra v1.2s, v16.2s, #3
  usra v2.2s, v16.2s, #3
  usra v3.2s, v16.2s, #3
  usra v4.2s, v16.2s, #3
  usra v5.2s, v16.2s, #3
  usra v6.2s, v16.2s, #3
  usra v7.2s, v16.2s, #3
  usra v8.2s, v16.2s, #3
  usra v9.2s, v16.2s, #3
  usra v10.2s, v16.2s, #3
  usra v11.2s, v16.2s, #3
  usra v12.2s, v16.2s, #3
  usra v13.2s, v16.2s, #3
  usra v14.2s, v16.2s, #3
  usra v15.2s, v16.2s, #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)	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 miss (a1)	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
160204	40058	300	0	51	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	132	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	51	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	7	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	160000	100	40040	40040	40040	40040	40040
160204	40039	300	0	542	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	160000	100	40040	40040	40040	40040	40040
160204	40039	299	0	72	25	160108	100	160008	100	160020	500	1280132	0	40020	40039	40039	19977	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	0	6	19990	160120	200	160032	200	320064	40039	40039	1	1	160201	100	99	100	100	160000	100	0	0	0	0	0	1	1	1	10118	0	16	0	0	40036	0	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	l1i tlb fill (04)	mmu table walk instruction (07)	l2 tlb miss instruction (0a)	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 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 miss (a1)	l1d cache writeback (a8)	ac	cf	d0	d2	l1i cache miss demand (d3)	l1i tlb miss demand (d4)	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	0	1	0	0	105	0	1	52	25	160010	10	160000	10	160000	50	1280000	1	1	0	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	3	0	10024	3	2	1	1	43	16	1	1	1	38	39	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	1	0	0	0	0	0	0	1	69	25	160010	10	160000	10	160000	50	1280000	1	0	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	51	0	10023	8	2	1	1	37	16	1	1	1	38	37	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	299	1	0	1	0	0	0	0	0	69	25	160010	10	160000	10	160000	50	1280000	1	1	0	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	8	0	10024	3	2	1	1	40	16	1	1	1	37	38	40036	16	10	160000	10	40040	40040	40040	40040	40040
160024	40039	300	1	1	0	0	0	0	0	1	81	25	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	0	10024	8	2	1	1	39	16	1	1	1	37	38	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	299	1	0	0	0	0	0	0	1	81	51	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	1	0	10023	3	1	1	1	32	16	1	1	1	39	41	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	1	0	1	0	0	0	0	0	81	25	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40089	1	1	160021	10	9	10	10	160000	10	0	1	0	10023	8	2	1	1	37	16	1	1	1	37	36	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	299	1	1	0	0	0	0	0	0	69	25	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	0	10023	8	1	1	1	37	16	1	1	1	37	25	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	299	1	1	1	0	0	0	0	1	81	25	160010	10	160000	10	160000	50	1280000	1	1	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	3	0	10024	8	2	1	1	40	16	1	1	1	39	24	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	1	1	1	0	0	0	104	1	111	25	160010	10	160000	10	160000	50	1280000	1	0	5	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	0	0	10024	3	2	1	1	39	16	1	3	10	34	38	40036	16	5	160000	10	40040	40040	40040	40040	40040
160024	40039	300	1	0	0	0	0	0	0	0	81	25	160010	10	160000	10	160000	50	1280000	1	1	0	40020	40039	40039	19996	0	3	20019	160010	20	160000	20	320000	40039	40039	1	1	160021	10	9	10	10	160000	10	0	3	0	10024	8	2	1	1	21	16	1	1	1	39	39	40036	16	5	160000	10	40040	40040	40040	40040	40040

USRA (vector, 2S)

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