Firestorm: NOP measurements

Code:

nop

(no loop instructions)

1000 unrolls and 1 iteration

Retires: 1.000

Issues: 0.000

Integer unit issues: 0.000

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	51	60	6d	6e	map rewind (75)	map stall (76)	82	83	flush restart other nonspec (84)	85	inst all (8c)	l1d cache writeback (a8)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	f5	f6	f7	f8	fd
1004	153	1	0	28	150	0	153	153	3	10	153	153	1	1	1001	0	0	75	3	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	0	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154
1004	153	1	0	28	150	1	153	153	3	10	153	153	1	1	1001	0	0	75	2	16	2	2	150	154	154	154	154	154

Count: 8

Code:

  nop ; nop ; nop ; nop ; nop ; nop ; nop ; nop

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.1258

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

retire uop (01)	cycle (02)	03	mmu table walk instruction (07)	l2 tlb miss instruction (0a)	1e	1f	3a	3f	51	schedule uop (52)	schedule int uop (53)	dispatch int uop (56)	int uops in schedulers (59)	60	69	6a	6d	6e	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 cache writeback (a8)	ac	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int retires (ef)	f5	f6	f7	f8	fd
80204	10087	75	1	0	75	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	3	16	4	4	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	24	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	1	12	5115	4	16	4	4	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	0	0	1	42	9554	100	120	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	4	16	4	3	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	0	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5114	4	16	4	4	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	0	0	1	517	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	3	16	4	3	10057	100	10061	10061	10061	10061	10061
80204	10060	76	1	1	9	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	4	16	4	3	10057	100	10061	10061	10061	10061	10061
80204	10060	76	1	1	6	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	4	16	4	4	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	12	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	4	16	4	5	10057	100	10061	10061	10061	10061	10061
80204	10060	75	1	1	6	0	1	42	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5114	3	16	3	4	10057	100	10061	10061	10061	10061	10061
80204	10060	76	1	1	0	0	1	63	9554	100	100	100	500	1	49	6980	10060	10060	3	18	100	200	200	10060	8035	1	1	80201	100	99	100	100	100	0	0	5115	4	16	3	4	10057	100	10061	10061	10061	10061	10061

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.1255

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)	dispatch int uop (56)	int uops in schedulers (59)	60	69	6a	6d	6e	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 cache writeback (a8)	a9	ac	c2	branch cond mispred nonspec (c5)	cf	d5	map dispatch bubble (d6)	dd	fetch restart (de)	e0	? int retires (ef)	f5	f6	f7	f8	fd
80024	10053	75	0	35	9982	10	10	10	50	1	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	6	16	4	2	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	2	16	2	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	1	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	2	16	4	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5022	4	16	4	3	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	1	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	2	16	4	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	4	16	2	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	2	16	4	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5022	4	16	4	2	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	1	49	6958	10038	10038	3	18	10	20	20	10044	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	2	16	2	4	10035	10	10039	10039	10039	10039	10039
80024	10038	75	0	35	9982	10	10	10	50	0	49	6958	10038	10038	3	18	10	20	20	10038	10038	1	1	80021	10	9	10	10	10	0	0	0	0	0	5024	4	16	4	2	10035	10	10039	10039	10039	10039	10039

NOP

Test 1: uops

1000 unrolls and 1 iteration

Test 2: throughput

100 unrolls and 100 iterations

1000 unrolls and 10 iterations