Icestorm: FRINT32X (vector, 2S) measurements

Code:

  frint32x v0.2s, v0.2s

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: 0.001

Load/store unit issues: 0.000

SIMD/FP unit issues: 1.000

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

retire uop (01)	cycle (02)	schedule uop (52)	schedule int uop (53)	schedule simd uop (54)	dispatch simd uop (57)	ldst uops in schedulers (5b)	dispatch uop (78)	map simd uop (7e)	map simd uop inputs (81)	? int output thing (e9)	? simd retires (ee)
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000
1004	3033	1001	1	1000	1000	75905	1000	1000	1000	1	1000

Test 2: Latency 1->2

Code:

  frint32x v0.2s, v0.2s

Initialization

  movi v0.16b, 1
  movi v1.16b, 2

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code): 3.0033

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

retire uop (01)	cycle (02)	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)	dispatch uop (78)	map int uop (7c)	map simd uop (7e)	map int uop inputs (7f)	map simd uop inputs (81)	? int output thing (e9)	? simd retires (ee)	? int retires (ef)
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10006	200	10006	1	10000	100
10204	30186	10127	103	10024	102	10099	307	769451	10135	202	10044	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	200	10004	1	10000	100
10204	30138	10109	101	10008	100	10033	307	769451	10135	202	10046	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	200	10004	1	10000	100
10204	30033	10101	101	10000	100	10000	300	768905	10100	200	10004	202	10084	2	10000	100
10204	30239	10137	105	10032	104	10132	300	768905	10100	200	10004	200	10004	1	10000	100

1000 unrolls and 10 iterations

Result (median cycles for code): 3.0033

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

retire uop (01)	cycle (02)	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)	dispatch uop (78)	map int uop (7c)	map simd uop (7e)	map int uop inputs (7f)	map ldst uop inputs (80)	map simd uop inputs (81)	? int output thing (e9)	? ldst retires (ed)	? simd retires (ee)	? int retires (ef)
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10025	30066	10029	23	10006	22	10031	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10
10024	30033	10021	21	10000	20	10000	70	768905	10020	20	10000	20	0	10000	11	0	10000	10

Test 3: throughput

Count: 8

Code:

  frint32x v0.2s, v8.2s
  frint32x v1.2s, v8.2s
  frint32x v2.2s, v8.2s
  frint32x v3.2s, v8.2s
  frint32x v4.2s, v8.2s
  frint32x v5.2s, v8.2s
  frint32x v6.2s, v8.2s
  frint32x v7.2s, v8.2s

Initialization

  movi v8.16b, 9

(fused SUBS/B.cc loop)

100 unrolls and 100 iterations

Result (median cycles for code divided by count): 0.5004

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

retire uop (01)	cycle (02)	schedule uop (52)	schedule int uop (53)	schedule simd uop (54)	schedule ldst uop (55)	dispatch int uop (56)	dispatch simd uop (57)	int uops in schedulers (59)	ldst uops in schedulers (5b)	dispatch uop (78)	map int uop (7c)	map simd uop (7e)	map int uop inputs (7f)	map simd uop inputs (81)	? int output thing (e9)	? simd retires (ee)	? int retires (ef)
80204	40074	80107	101	80006	0	100	80010	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80107	101	80006	0	100	80010	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100
80204	40035	80105	101	80004	0	100	80008	300	320036	80108	200	80012	200	80012	1	80000	100

1000 unrolls and 10 iterations

Result (median cycles for code divided by count): 0.5004

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

retire uop (01)	cycle (02)	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)	dispatch uop (78)	map int uop (7c)	map simd uop (7e)	map int uop inputs (7f)	map simd uop inputs (81)	? int output thing (e9)	? simd retires (ee)	? int retires (ef)
80024	40064	80027	21	80006	20	80010	70	320052	80032	20	80018	20	80016	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320800	80220	20	80200	20	80000	11	80000	10
80024	40035	80021	21	80000	20	80000	70	320000	80020	20	80000	20	80000	11	80000	10

FRINT32X (vector, 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