Firestorm: NEG (register, lsl, 32-bit) measurements

Code:

  neg w0, w0, lsl #17

Initialization

  mov x0, 1
  mov x1, 2

(no loop instructions)

1000 unrolls and 1 iteration

Retires: 1.000

Issues: 2.000

Integer unit issues: 2.000

Load/store unit issues: 0.000

SIMD/FP unit issues: 0.000

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

retire uop (01)	cycle (02)	03	1e	3f	4c	4d	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map int uop inputs (7f)	82	83	flush restart other nonspec (84)	85	inst all (8c)	inst int alu (97)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? int retires (ef)	f5	f6	f7	f8	fd
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	16	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036
1004	2035	15	0	61	1000	1735	25	2000	2000	1000	32570	2035	2035	1575	3	1842	1000	1000	1000	2035	42	1	1	1001	1000	0	73	1	67	1	1	1781	2000	1000	2036	2036	2036	2036	2036

Test 2: Latency 1->2

Code:

  neg w0, w0, lsl #17

Initialization

  mov x0, 1
  mov x1, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 2.0035

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

retire uop (01)	cycle (02)	03	09	l2 tlb miss data (0b)	18	19	1e	3f	4c	4d	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	69	6a	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map int uop inputs (7f)	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)	9f	l1d tlb miss (a1)	l1d cache writeback (a8)	a9	ac	branch cond mispred nonspec (c5)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? int retires (ef)	f5	f6	f7	f8	fd
10204	20035	150	0	0	0	0	0	103	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	84	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	103	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	6	18713	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20033	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	1	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20145	20100	10279	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20082	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036
10204	20035	150	0	0	0	0	0	61	10000	19803	25	20100	20100	10100	185342	49	16955	20035	20035	18429	3	18700	10100	10200	10200	20035	42	1	1	10201	100	99	100	10100	100	0	0	0	0	0	710	1	59	1	1	19791	20000	10100	20036	20036	20036	20036	20036

1000 unrolls and 10 iterations

Result (median cycles for code): 2.0035

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

retire uop (01)	cycle (02)	03	mmu table walk data (08)	l2 tlb miss instruction (0a)	l2 tlb miss data (0b)	18	19	1e	1f	3f	4c	4d	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	60	69	6a	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map int uop inputs (7f)	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)	9f	l1d tlb access (a0)	l1d tlb miss (a1)	ld unit uop (a6)	st unit uop (a7)	l1d cache writeback (a8)	a9	ac	c2	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? int retires (ef)	f5	f6	f7	f8	fd
10024	20035	150	0	0	0	0	0	0	0	82	10000	19743	25	20010	20010	10010	185310	1	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	3	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	61	10000	19743	25	20010	20010	10010	185310	1	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	61	10000	19743	25	20010	20010	10010	185310	1	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	61	10000	19743	25	20010	20010	10010	185310	1	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	61	10000	19743	25	20010	20010	10010	185310	0	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	61	10000	19743	25	20010	20010	10010	185310	0	49	16955	20035	20035	18451	3	18718	10010	10020	10020	20081	42	2	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19792	20000	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	0	0	0	0	595	10000	19743	25	20010	20010	10010	185310	1	49	16955	20035	20035	18451	7	18734	10156	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	0	0	0	0	0	0	0	0	640	2	63	2	2	19826	20023	10010	20036	20036	20036	20036	20036
10024	20035	150	0	0	0	1	1	0	0	61	10000	19743	25	20010	20010	10010	185310	1	49	17000	20035	20035	18451	3	18718	10010	10020	10020	20035	42	1	1	10021	10	9	10	10010	10	4	4	0	0	1	2	10065	2	746	5	95	6	3	19917	20112	10010	20036	20263	20261	20308	20264
10024	20217	152	0	0	1	4	5	540	440	2975	10063	19791	152	20145	20149	10738	193825	0	49	17227	20219	20173	18462	29	18830	10884	10852	10862	20308	42	7	1	10021	10	9	10	10010	10	0	0	2	0	0	0	11973	2	747	5	107	5	5	19991	20136	10010	20296	20309	20301	20260	20082
10024	20264	152	0	0	1	6	6	804	528	3451	10045	19806	148	20146	20145	10881	195586	1	49	17219	20307	20309	18465	31	18817	10883	11035	10863	20298	42	7	1	10021	10	9	10	10010	10	4	0	3	0	0	2	3	0	770	4	124	4	5	19993	20113	10010	20307	20309	20307	20305	20081

Test 3: throughput

Count: 8

Code:

  neg w0, w8, lsl #17
  neg w1, w8, lsl #17
  neg w2, w8, lsl #17
  neg w3, w8, lsl #17
  neg w4, w8, lsl #17
  neg w5, w8, lsl #17
  neg w6, w8, lsl #17
  neg w7, w8, lsl #17

Initialization

  mov x8, 9

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.3342

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	3f	4c	4d	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	67	69	6a	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map int uop inputs (7f)	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)	9f	l1d tlb access (a0)	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	d0	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int output thing (e9)	? int retires (ef)	f5	f6	f7	f8	fd
80204	26771	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26782	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26732	26733	26733	26733
80204	26732	201	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	27	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	13	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26732	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26732	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26731	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	7	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	1	0	26729	160082	80100	26733	26733	26733	26733	26733
80204	26732	200	0	0	0	0	0	0	28	80031	26146	28	160182	160182	80262	161906	0	49	23652	26732	26732	16651	8	16661	80262	80376	80376	26732	39	1	1	80201	100	99	100	80100	100	0	0	0	0	0	0	0	1	1	1	5129	0	0	16	0	0	26729	160082	80100	26733	26733	26732	26733	26733

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.3339

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

retire uop (01)	cycle (02)	03	l1i tlb fill (04)	mmu table walk data (08)	09	l2 tlb miss data (0b)	18	19	1e	1f	3a	3f	4c	4d	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	60	69	6a	6d	6e	map stall dispatch (70)	map rewind (75)	map stall (76)	dispatch uop (78)	map int uop (7c)	map int uop inputs (7f)	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)	9f	l1d tlb access (a0)	l1d tlb miss (a1)	ld unit uop (a6)	st unit uop (a7)	l1d cache writeback (a8)	a9	ac	c2	cf	d2	d5	map dispatch bubble (d6)	da	dd	fetch restart (de)	e0	? int output thing (e9)	? int retires (ef)	f5	f6	f7	f8	fd
80024	26717	200	0	0	0	0	0	0	636	0	0	61	80000	21280	25	160010	160010	80010	163142	1	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	25	22	0	20	26	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	0	0	0	61	80000	21280	25	160010	160010	80010	163142	1	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5097	0	23	22	0	26	25	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	1	0	0	0	114	80000	21280	25	160010	160010	80010	163142	1	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	25	22	0	20	26	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	0	0	0	536	80000	21280	25	160010	160010	80010	163142	0	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	24	22	0	19	24	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	0	0	0	61	80000	21280	25	160010	160010	80010	163142	1	49	23631	26769	26884	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	27	22	0	28	27	26704	160000	80010	26712	26770	26885	26712	26769
80024	26711	200	0	0	0	1	0	0	3	0	0	61	80000	21280	25	160010	160010	80010	163142	0	49	23631	26770	26711	16623	30	16685	80219	80231	80020	26768	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	21	22	0	28	14	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	0	0	0	61	80000	21280	25	160010	160010	80010	163142	1	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	27	22	0	22	26	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	0	0	0	61	80000	21280	25	160010	160010	80010	163142	0	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	25	22	0	27	19	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	0	0	0	771	0	0	103	80000	21280	25	160010	160010	80010	163142	0	49	23631	26711	26711	16623	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	28	22	0	27	26	26704	160000	80010	26712	26712	26712	26712	26712
80024	26711	200	0	0	0	1	0	0	534	280	0	82	80000	21280	25	160010	160010	80220	163142	0	49	23631	26770	26711	16624	3	16685	80010	80020	80020	26711	39	1	1	80021	10	9	10	80010	10	0	0	0	0	0	0	0	0	5020	0	27	22	0	15	27	26704	160000	80010	26712	26712	26712	26712	26712

NEG (register, lsl, 32-bit)

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