Firestorm: UCVTF (vector, fixed-point, 2S from 2S) measurements

Code:

  ucvtf v0.2s, v0.2s, #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 instruction (07)	09	l2 tlb miss data (0b)	18	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)	ac	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	0	0	0	61	2547	25	1000	1000	1000	398160	0	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	82	2547	25	1000	1000	1000	398160	0	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	0	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2841	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	23	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	156	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2782	1000	3038	3038	3038	3038	3038
1004	3037	24	0	0	0	0	0	0	61	2547	25	1000	1000	1000	398160	1	3018	3037	3037	2414	3	2895	1000	1000	1000	3037	3037	1	1	1001	1000	0	73	1	16	1	1	2629	1000	3038	3038	3038	3038	3038

Test 2: Latency 1->2

Code:

  ucvtf v0.2s, v0.2s, #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 instruction (07)	mmu table walk data (08)	l2 tlb miss data (0b)	18	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	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	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	1	6	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	0	3	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	0	0	0	1427	29547	25	10100	100	10000	100	10000	500	4277160	1	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	26	9	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	204	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	27	0	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	232	0	0	0	0	0	12	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	5	6	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	28	0	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	2	6	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	1	0	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30218
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	0	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	1	3	710	0	0	2	16	2	2	29633	10000	100	30038	30038	30038	30038	30038
10204	30037	233	0	0	0	0	0	0	0	61	29547	25	10100	100	10000	100	10000	500	4277160	1	0	30018	30037	30037	28264	3	28745	10100	200	10000	200	10000	30037	30037	1	1	10201	100	99	100	100	10000	100	55	0	710	0	0	2	16	2	2	29633	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	09	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 cache writeback (a8)	a9	ac	c2	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	0	0	39	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	4	640	2	16	2	2	29773	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	0	0	0	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	28	0	6	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	0	0	0	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	171	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	232	0	0	0	0	0	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	0	30018	30037	30037	28286	3	28767	10016	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	2	0	0	0	0	660	2	16	2	2	29629	10000	10	30177	30038	30084	30085	30132
10024	30119	233	1	0	0	1	0	0	1	61	29538	44	10010	11	10008	10	10150	50	4279864	0	30054	30037	30037	28290	7	28767	10010	20	10168	24	10000	30084	30037	1	1	10021	10	9	10	10	10000	10	0	2	0	0	0	661	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30216
10024	30084	232	1	0	0	0	105	88	0	89	29538	25	10010	11	10008	10	10000	50	4277160	0	30090	30083	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	2	0	2	640	3	16	2	3	29629	10000	10	30038	30038	30074	30038	30038
10024	30037	233	0	1	0	1	0	0	0	61	29547	61	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10010	20	10000	24	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	24	0	6	4	640	2	24	2	2	29629	10000	10	30085	30038	30085	30038	30085
10024	30037	233	0	0	0	0	0	0	0	61	29529	25	10030	10	10016	11	10150	50	4277160	1	30018	30084	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	129	0	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038
10024	30037	233	0	0	1	0	132	0	0	61	29547	25	10010	11	10000	12	10000	50	4278512	1	30018	30037	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	26	0	6	0	640	2	16	2	2	29629	10000	10	30085	30038	30038	30038	30038
10024	30132	233	0	0	0	0	0	0	0	61	29547	25	10010	10	10000	10	10000	50	4277160	1	30018	30037	30037	28286	3	28767	10010	20	10000	20	10000	30037	30037	1	1	10021	10	9	10	10	10000	10	0	0	0	0	2	640	2	16	2	2	29629	10000	10	30038	30038	30038	30038	30038

Test 3: throughput

Count: 8

Code:

  ucvtf v0.2s, v8.2s, #3
  ucvtf v1.2s, v8.2s, #3
  ucvtf v2.2s, v8.2s, #3
  ucvtf v3.2s, v8.2s, #3
  ucvtf v4.2s, v8.2s, #3
  ucvtf v5.2s, v8.2s, #3
  ucvtf v6.2s, v8.2s, #3
  ucvtf 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): 0.2506

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

retire uop (01)	cycle (02)	03	mmu table walk instruction (07)	09	l2 tlb miss instruction (0a)	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 miss (a1)	l1d cache writeback (a8)	ac	branch cond mispred nonspec (c5)	branch mispred nonspec (cb)	cd	cf	d0	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	ea	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80204	20058	155	1	0	1	12	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	155	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	155	1	0	1	9	72	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	155	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	156	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20196	20040
80204	20039	155	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20113	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	161	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80143	20039	20039	1	1	80201	100	99	100	100	80000	100	0	1	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	155	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	156	1	0	1	0	410	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	9990	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20040	20040	20040	20040	20040
80204	20039	155	1	0	1	0	30	25	80108	100	80008	100	80020	500	640132	20020	20039	20039	9977	6	10007	80120	200	80032	200	80032	20039	20039	1	1	80201	100	99	100	100	80000	100	0	0	0	1	1	1	5118	0	1	16	1	1	20036	0	80000	100	20192	20040	20040	20040	20040

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	l2 tlb miss data (0b)	18	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	69	6b	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	l1i cache miss demand (d3)	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	eb	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80024	20099	155	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	0	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	3	5020	0	4	16	3	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	155	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	12	5020	0	3	16	3	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	156	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	12	5020	0	3	16	3	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	156	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	2	0	5020	0	3	16	3	4	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	155	0	1	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	2	0	5020	0	4	16	4	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	155	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	0	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	0	5020	0	4	16	4	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	155	0	0	0	0	230	25	80010	10	80000	10	80000	50	640000	0	0	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	0	5020	0	3	16	3	3	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	155	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	0	5020	0	4	16	4	4	20036	0	80000	10	20040	20040	20040	20040	20040
80024	20039	156	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	6	0	5020	0	3	16	4	3	20036	0	80000	10	20040	20040	20040	20040	20141
80024	20039	155	0	0	0	0	40	25	80010	10	80000	10	80000	50	640000	0	1	20020	0	20039	20039	9996	0	3	10019	80010	20	80000	20	80000	20039	20039	1	1	80021	10	9	10	10	80000	10	0	0	0	5020	0	4	16	5	3	20036	0	80000	10	20040	20040	20040	20040	20040

UCVTF (vector, fixed-point, 2S from 2S)

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: throughput

100 unrolls and 100 iterations

1000 unrolls and 10 iterations