Firestorm: SHL (scalar, D) measurements

Code:

  shl d0, d0, #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	l2 tlb miss data (0b)	1e	3f	4e	51	schedule uop (52)	schedule simd uop (54)	dispatch simd uop (57)	ldst uops in schedulers (5b)	60	69	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map simd uop (7e)	map simd uop inputs (81)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst simd alu (9a)	l1d cache writeback (a8)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? simd retires (ee)	f5	f6	f7	f8	fd
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	2	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	0	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	0	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1853	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1686	25	1000	1000	1000	264521	0	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	0	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	15	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	15	0	0	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	27	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038
1004	2037	16	0	0	61	1686	25	1000	1000	1000	264521	1	2018	2037	2037	1571	3	1895	1000	1000	1000	2037	2037	1	1	1001	1000	0	0	73	1	16	1	1	1786	1000	2038	2038	2038	2038	2038

Test 2: Latency 1->2

Code:

  shl d0, d0, #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): 2.0037

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

retire uop (01)	cycle (02)	03	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 cache writeback (a8)	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	150	103	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18428	6	18741	10100	200	10008	200	10008	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	1	1	1	717	0	16	0	0	19800	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10127	100	10000	100	10000	500	2847521	20018	20037	20037	18428	7	18740	10100	200	10008	200	10008	20037	20037	1	1	10201	100	99	100	100	10000	100	0	2010	0	1	1	1	717	0	16	0	0	19800	0	10000	100	20038	20038	20038	20038	20038
10204	20037	149	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	6	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	124	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	103	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	3	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038
10204	20037	150	61	19686	25	10100	100	10000	100	10000	500	2847521	20018	20037	20037	18421	3	18745	10100	200	10000	200	10000	20037	20037	1	1	10201	100	99	100	100	10000	100	0	0	0	0	0	0	710	1	16	1	1	19791	0	10000	100	20038	20038	20038	20038	20038

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0037

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

retire uop (01)	cycle (02)	03	1e	3f	4e	51	schedule uop (52)	schedule int uop (53)	schedule simd uop (54)	dispatch int uop (56)	dispatch simd uop (57)	int uops in schedulers (59)	ldst uops in schedulers (5b)	60	69	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map simd uop (7e)	map int uop inputs (7f)	map simd uop inputs (81)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst branch (8d)	inst branch taken (90)	inst branch cond (94)	inst int alu (97)	inst simd alu (9a)	9f	l1d 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
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	3	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	1	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	519	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	1	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	18	61	19686	25	10010	10	10000	10	10000	50	2847521	1	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038
10024	20037	150	0	61	19686	25	10010	10	10000	10	10000	50	2847521	0	20018	20037	20037	18443	3	18767	10010	20	10000	20	10000	20037	20037	1	1	10021	10	9	10	10	10000	10	0	0	640	2	16	2	2	19786	10000	10	20038	20038	20038	20038	20038

Test 3: throughput

Count: 8

Code:

  shl d0, d8, #3
  shl d1, d8, #3
  shl d2, d8, #3
  shl d3, d8, #3
  shl d4, d8, #3
  shl d5, d8, #3
  shl d6, d8, #3
  shl d7, d8, #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	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 cache writeback (a8)	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
80204	20067	150	18	29	25	80108	100	80008	100	80020	500	640132	1	20019	20038	20038	9977	6	9989	80120	200	80032	200	80032	20038	20038	1	1	80201	100	99	100	100	80000	100	0	1	1	1	5118	0	16	0	0	20035	80000	100	20039	20039	20039	20039	20039
80204	20038	150	0	29	25	80108	100	80008	100	80020	500	640132	1	20028	20048	20049	9976	9	9986	80128	200	80038	200	80038	20048	20048	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5129	1	23	1	1	20045	80000	100	20049	20049	20049	20049	20049
80204	20048	150	0	64	26	80116	100	80016	100	80028	500	640196	1	20028	20048	20048	9976	9	9986	80128	200	80038	200	80038	20048	20048	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5128	1	23	1	1	20045	80000	100	20049	20049	20049	20049	20049
80204	20048	150	0	148	26	80116	100	80016	100	80028	500	640196	1	20028	20048	20049	9976	10	9986	80128	200	80038	200	80038	20049	20049	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5128	1	23	1	1	20045	80000	100	20049	20049	20049	20049	20049
80204	20048	150	0	64	26	80116	100	80016	100	80028	500	640196	1	20028	20048	20048	9976	9	9986	80128	200	80038	200	80038	20049	20049	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5129	1	23	1	1	20046	80000	100	20050	20050	20050	20049	20049
80204	20049	150	0	64	27	80116	100	80016	100	80028	500	640196	1	20041	20048	20048	9976	9	9986	80128	200	80038	200	80038	20048	20049	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5128	1	23	1	1	20045	80000	100	20049	20049	20049	20049	20049
80204	20049	150	0	64	26	80116	100	80016	100	80028	500	640196	0	20028	20048	20048	9976	10	9986	80128	200	80038	200	80038	20049	20049	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5128	1	23	1	1	20046	80000	100	20049	20049	20050	20050	20049
80204	20048	150	0	64	27	80116	100	80016	100	80028	500	640196	0	20028	20049	20049	9976	9	9986	80128	200	80038	200	80038	20048	20048	1	1	80201	100	99	100	100	80000	100	0	2	2	2	5128	1	23	2	2	20044	80000	100	20048	20048	20048	20048	20048
80204	20047	150	0	75	27	80100	100	80000	100	80000	500	640000	1	20028	20047	20047	9971	6	9993	80100	200	80000	200	80000	20047	20047	1	1	80201	100	99	100	100	80000	100	2	1	1	1	5120	2	24	2	2	20044	80000	100	20048	20048	20048	20048	20048
80204	20047	150	0	75	27	80100	100	80000	100	80000	500	640000	1	20028	20047	20047	9971	6	9993	80100	200	80000	200	80000	20047	20047	1	1	80201	100	99	100	100	80000	100	0	1	1	1	5120	2	24	2	2	20044	80000	100	20048	20048	20048	20048	20048

1000 unrolls and 10 iterations

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

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

retire uop (01)	cycle (02)	03	mmu table walk instruction (07)	mmu table walk data (08)	09	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	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)	ld unit uop (a6)	l1d cache writeback (a8)	a9	ac	c2	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? simd retires (ee)	? int retires (ef)	f5	f6	f7	f8	fd
80024	20039	150	0	0	0	0	0	0	0	0	0	0	62	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	29	16	20	25	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	149	0	0	0	0	0	0	0	0	0	0	81	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	29	16	19	25	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	1	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	26	16	12	30	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	26	16	27	25	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	35	16	27	26	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	33	16	29	16	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	155	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	29	16	27	15	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	0	20019	0	20088	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	29	16	27	27	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	275	25	80010	10	80000	10	80000	50	640000	0	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	26	16	25	15	20035	0	80000	10	20039	20039	20039	20039	20039
80024	20038	150	0	0	0	0	0	0	0	0	0	0	39	25	80010	10	80000	10	80000	50	640000	1	20019	0	20038	20038	9996	3	10018	80010	20	80000	20	80000	20038	20038	1	1	80021	10	9	10	10	80000	10	0	0	0	0	0	0	5020	29	16	13	25	20035	0	80000	10	20039	20039	20039	20039	20039

SHL (scalar, D)

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