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Subject[RFC] NUMA schedulers benchmark results
Date
Hi,

here are some results from testing various versions and approaches
to a NUMA scheduler. I used the numa_test benchmark which I'll post
in a separate email. It runs in parallel N tasks doing the same job:
access randomly a large array. As the array is large enough not to
fit into cache, this is very memory latency sensitive. Also it is
memory bandwidth sensitive. To emulate a real multi-user environment, the
jobs are disturbed by a short load peak. This is simulated by a call
to "hackbench" 3 seconds after the tasks were started. The performance
of the user tasks is depending very much on where they are scheduled
and are CPU hoggers such that the user times are quite independent of
the non-scheduler part of the underlying kernel. The elapsed times
are depending on "hackbench" which actually blocks the machine for the
time it is running. Hackbench is depending on the underlying kernel
and one should compare "elapsed_time - hackbench_time".

The test machine is a 16 CPU NEC Azusa with Itanium processors and
four nodes. The tested schedulers are:

A: O(1) scheduler in 2.5.39
B: O(1) scheduler with task steal limited to only one task (node
affine scheduler with CONFIG_NUMA_SCHED=n) under 2.4.18
C: Michael Hohnbaum's "simple NUMA scheduler" under 2.5.39
D: pooling NUMA scheduler, no initial load balancing, idle pool_delay
set to 0, under 2.4.18
E: node affine scheduler with initial load balancing and static homenode
F: node affine scheduler without initial load balancing and dynamic
homenode selection (homenode selected where most of the memory is
allocated).

As I'm rewriting the node affine scheduler to be more modular, I'll
redo the tests for cases D, E, F on top of 2.5.X kernels soon.

The results are summarized in the tables below. A set of outputs (for
N=8, 16, 32) is attached. They show clearly why the node affine
scheduler beats them all: The initial load balancing is node-aware,
the task-stealing too. Sometimes the node affine force is not large
enough to bring the task back to the homenode, but it is almost always
good enough.

The (F) solution with dynamically determined homenode show that the
initial load balancing is crucial, as the equal node balance is not
strongly enforced dynamically. So the optimal solution is probably
(F) with initial load balancing.


Average user time (U) and total user time (TU). Minimum per row should
be considered.
----------------------------------------------------------------------
Scheduler: A B C D E F
N=4 U 28.12 30.77 33.00 - 27.20 30.29
TU 112.55 123.13 132.08 - 108.88 121.25
N=8 U 30.47 31.39 31.65 30.76 28.67 30.08
TU 243.86 251.27 253.30 246.23 229.51 240.75
N=16 U 36.42 33.64 32.18 32.27 31.50 32.83
TU 582.91 538.49 515.11 516.53 504.17 525.59
N=32 U 38.69 34.83 34.05 33.76 33.89 34.11
TU 1238.4 1114.9 1090.1 1080.8 1084.9 1091.9
N=64 U 39.73 34.73 34.23 - (33.32) 34.98
TU 2543.4 2223.4 2191.7 - (2133) 2239.5

Elapsed time (E), hackbench time (H). Diferences between 2.4.18 and
2.5.39 based kernels due to "hackbench", which performs differently.
Compare E-H within a row, but don't take it too seriously.
--------------------------------------------------------------------
Scheduler: A B C D E F
N=4 E 37.33 37.96 48.31 - 28.14 35.91
H 9.98 1.49 10.65 - 1.99 1.43
N=8 E 46.17 39.50 42.53 39.72 30.28 38.28
H 9.64 1.86 7.27 2.07 2.33 1.86
N=16 E 47.21 44.67 49.66 42.97 36.98 42.51
H 5.90 4.69 2.93 5.178 5.56 5.94
N=32 E 88.60 79.92 80.34 78.35 76.84 77.38
H 6.29 5.23 2.85 4.51 5.29 4.28
N=64 E 167.10 147.16 150.59 - (133.9) 148.94
H 5.96 4.67 3.10 - (-) 6.86
(The E:N=64 results are without hackbench disturbance.)

Best regards,
Erich
A: 2.5.39 O(1) scheduler

Running 'hackbench 20' in the background: Time: 9.639
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 7.5 92.5 0.0 0.0 | 0 1 *| 38.29
2 0.0 0.0 0.0 100.0 | 0 3 *| 30.19
3 0.0 100.0 0.0 0.0 | 0 1 *| 27.84
4 0.0 0.0 0.0 100.0 | 0 3 *| 30.38
5 100.0 0.0 0.0 0.0 | 0 0 | 29.96
6 100.0 0.0 0.0 0.0 | 0 0 | 29.63
7 0.0 0.0 100.0 0.0 | 0 2 *| 27.33
8 0.0 0.0 0.0 100.0 | 0 3 *| 30.14
AverageUserTime 30.47 seconds
ElapsedTime 46.17
TotalUserTime 243.86
TotalSysTime 0.41
Running 'hackbench 20' in the background: Time: 5.896
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 98.7 1.3 0.0 | 0 1 *| 41.07
2 89.2 10.8 0.0 0.0 | 0 0 | 39.16
3 9.4 0.0 90.6 0.0 | 0 2 *| 40.72
4 0.0 0.0 0.0 100.0 | 0 3 *| 31.96
5 0.0 0.1 99.0 0.9 | 0 2 *| 41.36
6 0.0 0.0 100.0 0.0 | 0 2 *| 30.62
7 0.6 0.0 86.2 13.2 | 0 2 *| 40.11
8 100.0 0.0 0.0 0.0 | 0 0 | 31.25
9 8.0 0.0 0.0 92.0 | 0 3 *| 40.63
10 0.0 100.0 0.0 0.0 | 0 1 *| 30.43
11 0.0 0.0 0.0 100.0 | 0 3 *| 31.64
12 91.6 0.0 8.4 0.0 | 0 0 | 39.92
13 0.0 100.0 0.0 0.0 | 0 1 *| 30.46
14 92.1 0.0 7.9 0.0 | 0 0 | 40.36
15 0.0 0.0 0.0 100.0 | 0 3 *| 32.29
16 4.8 95.2 0.0 0.0 | 0 1 *| 40.70
AverageUserTime 36.42 seconds
ElapsedTime 47.21
TotalUserTime 582.91
TotalSysTime 0.85
Running 'hackbench 20' in the background: Time: 6.293
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 100.0 0.0 | 0 2 *| 31.53
2 100.0 0.0 0.0 0.0 | 0 0 | 34.84
3 100.0 0.0 0.0 0.0 | 0 0 | 32.70
4 0.0 100.0 0.0 0.0 | 0 1 *| 32.25
5 0.0 0.0 0.0 100.0 | 0 3 *| 33.41
6 96.5 2.7 0.8 0.0 | 0 0 | 43.39
7 5.6 0.0 94.4 0.0 | 0 2 *| 44.42
8 73.4 22.9 3.7 0.0 | 0 0 | 42.14
9 0.9 0.0 99.1 0.0 | 0 2 *| 45.10
10 0.0 8.4 91.6 0.0 | 0 2 *| 42.85
11 0.0 0.0 0.0 100.0 | 0 3 *| 32.11
12 0.0 100.0 0.0 0.0 | 0 1 *| 32.16
13 0.0 0.0 0.0 100.0 | 0 3 *| 33.48
14 0.0 0.0 100.0 0.0 | 0 2 *| 31.35
15 0.0 0.3 3.2 96.4 | 0 3 *| 42.27
16 91.0 0.0 0.0 9.0 | 0 0 | 35.50
17 0.0 100.0 0.0 0.0 | 0 1 *| 32.45
18 0.0 97.6 2.4 0.0 | 0 1 *| 41.97
19 0.0 100.0 0.0 0.0 | 0 1 *| 32.46
20 1.3 0.0 74.2 24.5 | 0 2 *| 43.78
21 0.0 0.0 0.9 99.1 | 0 3 *| 32.74
22 0.8 0.0 99.2 0.0 | 0 2 *| 45.61
23 100.0 0.0 0.0 0.0 | 0 0 | 33.78
24 97.0 1.0 0.0 1.9 | 0 0 | 43.74
25 0.0 1.8 0.0 98.2 | 0 3 *| 43.31
26 0.0 96.1 0.0 3.9 | 0 1 *| 43.61
27 2.6 0.0 0.3 97.0 | 0 3 *| 46.54
28 0.0 0.0 0.0 100.0 | 0 3 *| 33.59
29 0.0 92.1 0.0 7.9 | 0 1 *| 43.43
30 2.2 0.0 97.8 0.0 | 0 2 *| 45.19
31 26.0 72.3 0.0 1.8 | 0 1 *| 43.29
32 98.5 1.3 0.2 0.0 | 0 0 | 42.97
AverageUserTime 38.69 seconds
ElapsedTime 88.60
TotalUserTime 1238.43
TotalSysTime 1.85
-------------------------------------------------------------
B: O(1) scheduler equivalent, 1 task steal per load balance step
(2.4.18 node affine scheduler with CONFIG_NUMA_SCHED=n)
Running 'hackbench 20' in the background: Time: 1.861
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 100.0 0.0 | 2 2 | 31.62
2 0.0 0.0 100.0 0.0 | 2 2 | 31.68
3 100.0 0.0 0.0 0.0 | 0 0 | 29.40
4 0.0 0.0 100.0 0.0 | 2 2 | 31.56
5 0.0 0.0 100.0 0.0 | 2 2 | 31.60
6 95.0 5.0 0.0 0.0 | 1 0 *| 38.14
7 100.0 0.0 0.0 0.0 | 0 0 | 29.27
8 0.0 100.0 0.0 0.0 | 1 1 | 27.87
AverageUserTime 31.39 seconds
ElapsedTime 39.50
TotalUserTime 251.27
TotalSysTime 0.48
Running 'hackbench 20' in the background: Time: 4.688
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 100.0 0.0 | 2 2 | 31.49
2 0.0 0.0 100.0 0.0 | 2 2 | 31.33
3 0.0 0.0 100.0 0.0 | 2 2 | 31.30
4 100.0 0.0 0.0 0.0 | 0 0 | 31.98
5 100.0 0.0 0.0 0.0 | 0 0 | 32.21
6 0.0 91.3 8.7 0.0 | 2 1 *| 39.88
7 0.0 100.0 0.0 0.0 | 1 1 | 30.72
8 0.0 0.0 0.0 100.0 | 3 3 | 31.56
9 1.2 98.8 0.0 0.0 | 0 1 *| 41.31
10 0.0 0.0 0.0 100.0 | 3 3 | 31.56
11 0.0 100.0 0.0 0.0 | 1 1 | 30.67
12 0.0 0.0 0.0 100.0 | 3 3 | 31.45
13 100.0 0.0 0.0 0.0 | 0 0 | 31.94
14 5.5 0.0 94.5 0.0 | 0 2 *| 40.83
15 0.0 0.0 0.0 100.0 | 3 3 | 31.53
16 83.0 17.0 0.0 0.0 | 1 0 *| 38.50
AverageUserTime 33.64 seconds
ElapsedTime 44.67
TotalUserTime 538.49
TotalSysTime 1.02
Running 'hackbench 20' in the background: Time: 5.229
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 67.6 0.0 17.4 15.0 | 2 0 *| 41.36
2 0.0 0.0 100.0 0.0 | 2 2 | 32.78
3 100.0 0.0 0.0 0.0 | 0 0 | 32.92
4 0.0 0.0 100.0 0.0 | 2 2 | 33.56
5 22.4 75.3 2.3 0.0 | 2 1 *| 43.26
6 0.0 0.0 100.0 0.0 | 2 2 | 33.38
7 100.0 0.0 0.0 0.0 | 0 0 | 33.16
8 0.0 0.0 0.0 100.0 | 3 3 | 32.03
9 0.0 100.0 0.0 0.0 | 1 1 | 32.64
10 0.0 0.0 0.0 100.0 | 3 3 | 32.00
11 4.5 0.0 0.0 95.5 | 0 3 *| 43.82
12 0.0 0.0 0.0 100.0 | 3 3 | 31.91
13 100.0 0.0 0.0 0.0 | 0 0 | 33.46
14 0.0 100.0 0.0 0.0 | 1 1 | 32.39
15 0.0 0.0 0.0 100.0 | 3 3 | 31.86
16 0.0 0.0 100.0 0.0 | 2 2 | 33.35
17 100.0 0.0 0.0 0.0 | 0 0 | 33.95
18 0.0 0.0 0.0 100.0 | 3 3 | 31.68
19 0.0 5.3 0.0 94.7 | 1 3 *| 42.97
20 2.0 98.0 0.0 0.0 | 0 1 *| 43.56
21 0.0 0.0 0.0 100.0 | 3 3 | 31.65
22 100.0 0.0 0.0 0.0 | 0 0 | 34.13
23 0.0 100.0 0.0 0.0 | 1 1 | 32.52
24 9.9 90.1 0.0 0.0 | 1 1 | 33.58
25 0.0 3.2 96.8 0.0 | 1 2 *| 42.51
26 89.8 0.0 0.0 10.2 | 0 0 | 34.18
27 0.0 100.0 0.0 0.0 | 1 1 | 32.44
28 0.0 2.4 97.6 0.0 | 2 2 | 33.59
29 8.4 0.0 91.6 0.0 | 2 2 | 33.78
30 100.0 0.0 0.0 0.0 | 0 0 | 33.52
31 0.0 6.3 93.7 0.0 | 2 2 | 33.37
32 0.0 100.0 0.0 0.0 | 1 1 | 33.20
AverageUserTime 34.83 seconds
ElapsedTime 79.92
TotalUserTime 1114.91
TotalSysTime 2.30
-----------------------------------------------------------
C: simple scheduler MH
Running 'hackbench 20' in the background: Time: 7.271
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 100.0 0.0 0.0 0.0 | 0 0 | 32.66
2 100.0 0.0 0.0 0.0 | 0 0 | 32.53
3 100.0 0.0 0.0 0.0 | 0 0 | 32.47
4 0.0 100.0 0.0 0.0 | 1 1 | 30.33
5 0.0 100.0 0.0 0.0 | 1 1 | 30.20
6 0.0 100.0 0.0 0.0 | 1 1 | 30.06
7 100.0 0.0 0.0 0.0 | 0 0 | 32.35
8 100.0 0.0 0.0 0.0 | 0 0 | 32.58
AverageUserTime 31.65 seconds
ElapsedTime 42.53
TotalUserTime 253.30
TotalSysTime 0.48
Running 'hackbench 20' in the background: Time: 2.929
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 100.0 0.0 0.0 0.0 | 0 0 | 31.07
2 100.0 0.0 0.0 0.0 | 0 0 | 30.97
3 100.0 0.0 0.0 0.0 | 0 0 | 30.86
4 0.0 100.0 0.0 0.0 | 1 1 | 31.91
5 0.0 100.0 0.0 0.0 | 1 1 | 32.04
6 0.0 100.0 0.0 0.0 | 1 1 | 31.98
7 0.0 100.0 0.0 0.0 | 1 1 | 32.01
8 0.0 0.0 100.0 0.0 | 2 2 | 31.83
9 0.0 0.0 100.0 0.0 | 2 2 | 31.66
10 0.0 0.0 100.0 0.0 | 2 2 | 31.47
11 0.0 0.0 100.0 0.0 | 2 2 | 31.74
12 0.0 0.0 0.0 100.0 | 3 3 | 31.54
13 0.0 0.0 0.0 100.0 | 3 3 | 31.48
14 0.0 0.0 0.0 100.0 | 3 3 | 31.49
15 0.0 0.0 0.0 100.0 | 3 3 | 31.97
16 5.4 0.0 0.0 94.6 | 0 3 *| 40.86
AverageUserTime 32.18 seconds
ElapsedTime 49.66
TotalUserTime 515.11
TotalSysTime 0.95
Running 'hackbench 20' in the background: Time: 2.849
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 100.0 0.0 0.0 0.0 | 0 0 | 33.75
2 100.0 0.0 0.0 0.0 | 0 0 | 33.89
3 100.0 0.0 0.0 0.0 | 0 0 | 33.87
4 0.0 100.0 0.0 0.0 | 1 1 | 33.34
5 0.0 100.0 0.0 0.0 | 1 1 | 33.41
6 0.0 100.0 0.0 0.0 | 1 1 | 33.16
7 0.0 100.0 0.0 0.0 | 1 1 | 33.25
8 0.0 0.0 100.0 0.0 | 2 2 | 32.90
9 0.0 0.0 100.0 0.0 | 2 2 | 33.08
10 0.0 0.0 100.0 0.0 | 2 2 | 33.07
11 0.0 0.0 100.0 0.0 | 2 2 | 33.11
12 0.0 0.0 0.0 100.0 | 3 3 | 31.46
13 0.0 0.0 0.0 100.0 | 3 3 | 32.04
14 0.0 0.0 0.0 100.0 | 3 3 | 31.59
15 0.0 0.0 0.0 100.0 | 3 3 | 31.83
16 100.0 0.0 0.0 0.0 | 0 0 | 33.95
17 1.2 0.0 0.0 98.8 | 0 3 *| 44.66
18 100.0 0.0 0.0 0.0 | 0 0 | 34.02
19 55.4 0.0 0.0 44.6 | 3 0 | 37.11
20 100.0 0.0 0.0 0.0 | 0 0 | 33.62
21 0.0 100.0 0.0 0.0 | 1 1 | 33.33
22 0.0 100.0 0.0 0.0 | 1 1 | 33.26
23 0.0 100.0 0.0 0.0 | 1 1 | 33.41
24 0.0 100.0 0.0 0.0 | 1 1 | 33.14
25 0.0 0.0 100.0 0.0 | 2 2 | 33.26
26 0.0 0.0 100.0 0.0 | 2 2 | 33.05
27 0.0 0.0 3.1 96.9 | 2 3 *| 43.50
28 100.0 0.0 0.0 0.0 | 0 0 | 34.02
29 60.4 0.0 39.6 0.0 | 2 0 *| 37.05
30 0.0 0.0 0.0 100.0 | 3 3 | 31.53
31 100.0 0.0 0.0 0.0 | 0 0 | 33.94
32 0.0 0.0 100.0 0.0 | 2 2 | 33.03
AverageUserTime 34.05 seconds
ElapsedTime 80.34
TotalUserTime 1090.10
TotalSysTime 2.15
---------------------------------------------------------------
D: numasched : pooling only (idle pool delay set to 0)
Running 'hackbench 20' in the background: Time: 2.066
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 0.0 100.0 | 3 3 | 28.50
2 100.0 0.0 0.0 0.0 | 0 0 | 30.97
3 0.0 0.0 0.0 100.0 | 3 3 | 28.49
4 0.0 0.0 100.0 0.0 | 2 2 | 28.65
5 100.0 0.0 0.0 0.0 | 0 0 | 31.18
6 100.0 0.0 0.0 0.0 | 0 0 | 30.96
7 5.7 94.3 0.0 0.0 | 0 1 *| 38.69
8 0.0 0.0 100.0 0.0 | 2 2 | 28.65
AverageUserTime 30.76 seconds
ElapsedTime 39.72
TotalUserTime 246.23
TotalSysTime 0.46
Running 'hackbench 20' in the background: Time: 5.178
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 100.0 0.0 0.0 0.0 | 0 0 | 32.01
2 100.0 0.0 0.0 0.0 | 0 0 | 31.82
3 0.0 3.4 0.0 96.6 | 1 3 *| 41.01
4 100.0 0.0 0.0 0.0 | 0 0 | 32.24
5 100.0 0.0 0.0 0.0 | 0 0 | 31.91
6 0.0 0.0 100.0 0.0 | 2 2 | 31.75
7 0.0 0.0 0.0 100.0 | 3 3 | 30.55
8 0.0 0.0 100.0 0.0 | 2 2 | 31.74
9 0.0 0.0 100.0 0.0 | 2 2 | 31.74
10 0.0 0.0 0.0 100.0 | 3 3 | 30.63
11 0.0 0.0 0.0 100.0 | 3 3 | 30.67
12 0.0 0.0 100.0 0.0 | 2 2 | 31.75
13 0.0 100.0 0.0 0.0 | 1 1 | 31.94
14 0.0 100.0 0.0 0.0 | 1 1 | 32.20
15 0.0 100.0 0.0 0.0 | 1 1 | 32.24
16 0.0 100.0 0.0 0.0 | 1 1 | 32.07
AverageUserTime 32.27 seconds
ElapsedTime 42.97
TotalUserTime 516.53
TotalSysTime 1.16
Running 'hackbench 20' in the background: Time: 4.505
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 49.4 0.0 50.6 | 3 3 | 36.48
2 0.3 99.7 0.0 0.0 | 0 1 *| 39.21
3 0.0 100.0 0.0 0.0 | 1 1 | 32.23
4 100.0 0.0 0.0 0.0 | 0 0 | 32.88
5 100.0 0.0 0.0 0.0 | 0 0 | 32.98
6 100.0 0.0 0.0 0.0 | 0 0 | 32.97
7 0.0 18.3 81.7 0.0 | 2 2 | 35.13
8 0.0 5.7 94.3 0.0 | 2 2 | 34.00
9 0.0 0.0 100.0 0.0 | 2 2 | 33.14
10 0.0 3.3 96.7 0.0 | 2 2 | 34.22
11 0.0 100.0 0.0 0.0 | 1 1 | 32.34
12 0.0 100.0 0.0 0.0 | 1 1 | 32.37
13 0.0 13.4 0.0 86.6 | 3 3 | 34.55
14 0.0 0.0 0.0 100.0 | 3 3 | 33.93
15 0.0 0.0 0.0 100.0 | 3 3 | 33.08
16 100.0 0.0 0.0 0.0 | 0 0 | 33.31
17 100.0 0.0 0.0 0.0 | 0 0 | 33.08
18 0.0 8.2 0.0 91.8 | 3 3 | 33.76
19 0.0 0.0 0.0 100.0 | 3 3 | 33.23
20 0.0 32.7 0.0 67.3 | 3 3 | 34.79
21 0.0 0.0 0.0 100.0 | 3 3 | 32.94
22 100.0 0.0 0.0 0.0 | 0 0 | 33.23
23 0.0 100.0 0.0 0.0 | 1 1 | 32.35
24 0.0 0.0 100.0 0.0 | 2 2 | 33.44
25 0.0 100.0 0.0 0.0 | 1 1 | 32.42
26 0.0 0.0 100.0 0.0 | 2 2 | 33.25
27 0.0 0.0 100.0 0.0 | 2 2 | 33.82
28 0.0 0.0 100.0 0.0 | 2 2 | 32.88
29 0.0 0.0 0.0 100.0 | 3 3 | 31.99
30 0.0 100.0 0.0 0.0 | 1 1 | 31.90
31 100.0 0.0 0.0 0.0 | 0 0 | 32.93
32 99.6 0.0 0.4 0.0 | 2 0 *| 41.48
AverageUserTime 33.76 seconds
ElapsedTime 78.35
TotalUserTime 1080.75
TotalSysTime 2.03
-----------------------------------------------------------
E: node affine scheduler with initial load balancing, statically
assigned homenode

Running 'hackbench 20' in the background: Time: 2.330
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 100.0 0.0 | 2 2 | 28.86
2 0.0 100.0 0.0 0.0 | 1 1 | 28.82
3 0.0 100.0 0.0 0.0 | 1 1 | 28.85
4 0.0 0.0 0.0 100.0 | 3 3 | 28.47
5 100.0 0.0 0.0 0.0 | 0 0 | 28.69
6 0.0 0.0 100.0 0.0 | 2 2 | 28.65
7 0.0 0.0 0.0 100.0 | 3 3 | 28.49
8 100.0 0.0 0.0 0.0 | 0 0 | 28.55
AverageUserTime 28.67 seconds
ElapsedTime 30.28
TotalUserTime 229.51
TotalSysTime 0.43

Running 'hackbench 20' in the background: Time: 5.562
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 100.0 0.0 0.0 | 1 1 | 31.47
2 0.0 100.0 0.0 0.0 | 1 1 | 31.38
3 0.0 0.0 0.0 100.0 | 3 3 | 31.53
4 0.0 0.0 0.0 100.0 | 3 3 | 31.46
5 100.0 0.0 0.0 0.0 | 0 0 | 31.64
6 100.0 0.0 0.0 0.0 | 0 0 | 31.57
7 100.0 0.0 0.0 0.0 | 0 0 | 31.57
8 0.0 0.0 0.0 100.0 | 3 3 | 31.51
9 0.0 0.0 100.0 0.0 | 2 2 | 31.63
10 0.0 0.0 100.0 0.0 | 2 2 | 31.56
11 0.0 0.0 100.0 0.0 | 2 2 | 31.42
12 0.0 100.0 0.0 0.0 | 1 1 | 31.44
13 0.0 0.0 0.0 100.0 | 3 3 | 31.43
14 0.0 0.0 100.0 0.0 | 2 2 | 31.61
15 100.0 0.0 0.0 0.0 | 0 0 | 31.34
16 0.0 100.0 0.0 0.0 | 1 1 | 31.36
AverageUserTime 31.50 seconds
ElapsedTime 36.98
TotalUserTime 504.17
TotalSysTime 1.03
Running 'hackbench 20' in the background: Time: 5.288
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 46.1 53.9 | 2 3 *| 37.11
2 0.0 0.0 0.0 100.0 | 3 3 | 31.32
3 0.0 100.0 0.0 0.0 | 1 1 | 33.15
4 0.0 4.9 95.1 0.0 | 2 2 | 33.55
5 0.0 0.0 100.0 0.0 | 2 2 | 32.81
6 0.0 100.0 0.0 0.0 | 1 1 | 32.88
7 0.0 100.0 0.0 0.0 | 1 1 | 33.31
8 82.9 17.1 0.0 0.0 | 1 0 *| 40.70
9 100.0 0.0 0.0 0.0 | 0 0 | 33.36
10 9.3 0.0 0.0 90.7 | 0 3 *| 42.12
11 100.0 0.0 0.0 0.0 | 0 0 | 33.38
12 0.0 0.0 0.0 100.0 | 3 3 | 31.28
13 0.0 0.0 0.0 100.0 | 3 3 | 31.43
14 0.0 100.0 0.0 0.0 | 1 1 | 33.33
15 0.0 100.0 0.0 0.0 | 1 1 | 33.04
16 100.0 0.0 0.0 0.0 | 0 0 | 33.02
17 95.2 4.8 0.0 0.0 | 0 0 | 33.82
18 3.8 0.0 0.0 96.2 | 0 3 *| 43.21
19 0.0 0.0 0.0 100.0 | 3 3 | 31.11
20 0.0 0.0 100.0 0.0 | 2 2 | 32.19
21 0.0 100.0 0.0 0.0 | 1 1 | 33.43
22 0.0 0.0 100.0 0.0 | 2 2 | 33.03
23 0.0 0.0 100.0 0.0 | 2 2 | 33.06
24 100.0 0.0 0.0 0.0 | 0 0 | 33.04
25 100.0 0.0 0.0 0.0 | 0 0 | 33.07
26 0.0 0.0 100.0 0.0 | 2 2 | 33.07
27 0.0 0.0 100.0 0.0 | 2 2 | 33.22
28 0.0 0.0 0.0 100.0 | 3 3 | 31.06
29 0.0 15.3 84.7 0.0 | 2 2 | 33.25
30 0.0 100.0 0.0 0.0 | 1 1 | 33.36
31 85.0 0.0 0.0 15.0 | 0 0 | 34.50
32 0.0 86.4 0.0 13.6 | 1 1 | 34.27
AverageUserTime 33.89 seconds
ElapsedTime 76.84
TotalUserTime 1084.86
TotalSysTime 2.12
--------------------------------------------------------
F: node affine scheduler, dynamically assigned homenode, no
initial load balancing

Running 'hackbench 20' in the background: Time: 1.861
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 0.0 100.0 | 3 3 | 30.75
2 100.0 0.0 0.0 0.0 | 0 0 | 27.12
3 0.0 0.0 0.0 100.0 | 3 3 | 30.60
4 0.0 0.0 0.0 100.0 | 3 3 | 30.65
5 0.0 100.0 0.0 0.0 | 1 1 | 28.65
6 0.0 0.0 78.4 21.6 | 3 2 *| 36.63
7 0.0 100.0 0.0 0.0 | 1 1 | 28.57
8 0.0 0.0 100.0 0.0 | 2 2 | 27.65
AverageUserTime 30.08 seconds
ElapsedTime 38.28
TotalUserTime 240.75
TotalSysTime 0.49
Running 'hackbench 20' in the background: Time: 5.936
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 0.0 100.0 | 3 3 | 31.47
2 100.0 0.0 0.0 0.0 | 0 0 | 29.90
3 88.2 0.0 4.6 7.2 | 2 0 *| 40.96
4 0.0 0.0 0.0 100.0 | 3 3 | 31.53
5 0.0 0.0 0.0 100.0 | 3 3 | 31.50
6 0.0 100.0 0.0 0.0 | 1 1 | 32.25
7 0.0 84.5 0.0 15.5 | 1 1 | 33.41
8 0.0 0.0 100.0 0.0 | 2 2 | 32.38
9 83.0 17.0 0.0 0.0 | 1 0 *| 39.29
10 0.0 0.0 0.0 100.0 | 3 3 | 31.51
11 0.0 100.0 0.0 0.0 | 1 1 | 32.38
12 0.0 0.0 100.0 0.0 | 2 2 | 32.30
13 0.0 100.0 0.0 0.0 | 1 1 | 32.06
14 100.0 0.0 0.0 0.0 | 0 0 | 29.85
15 0.0 0.0 100.0 0.0 | 2 2 | 32.18
16 0.0 0.0 100.0 0.0 | 2 2 | 32.39
AverageUserTime 32.83 seconds
ElapsedTime 42.51
TotalUserTime 525.59
TotalSysTime 1.14
Running 'hackbench 20' in the background: Time: 4.277
Job node00 node01 node02 node03 | iSched MSched | UserTime(s)
1 0.0 0.0 0.0 100.0 | 3 3 | 31.69
2 0.0 0.0 100.0 0.0 | 2 2 | 33.81
3 100.0 0.0 0.0 0.0 | 0 0 | 33.10
4 1.4 4.9 2.8 90.9 | 2 3 *| 44.26
5 0.0 0.0 0.0 100.0 | 3 3 | 31.76
6 0.0 0.0 0.0 100.0 | 3 3 | 31.69
7 0.0 0.0 3.6 96.4 | 2 3 *| 43.73
8 0.0 100.0 0.0 0.0 | 1 1 | 33.07
9 0.0 0.0 100.0 0.0 | 2 2 | 34.04
10 0.0 100.0 0.0 0.0 | 1 1 | 33.24
11 0.0 100.0 0.0 0.0 | 1 1 | 33.23
12 100.0 0.0 0.0 0.0 | 0 0 | 33.77
13 0.0 100.0 0.0 0.0 | 1 1 | 33.10
14 100.0 0.0 0.0 0.0 | 0 0 | 33.26
15 0.0 100.0 0.0 0.0 | 1 1 | 33.16
16 100.0 0.0 0.0 0.0 | 0 0 | 33.23
17 3.9 0.0 0.0 96.1 | 0 3 *| 42.74
18 0.0 100.0 0.0 0.0 | 1 1 | 32.97
19 100.0 0.0 0.0 0.0 | 0 0 | 33.21
20 0.0 0.0 92.1 7.9 | 2 2 | 34.30
21 0.0 0.0 95.9 4.1 | 2 2 | 34.31
22 0.0 0.0 100.0 0.0 | 2 2 | 33.88
23 0.0 0.0 0.0 100.0 | 3 3 | 30.85
24 0.0 100.0 0.0 0.0 | 1 1 | 32.99
25 0.0 0.0 100.0 0.0 | 2 2 | 33.84
26 0.0 100.0 0.0 0.0 | 1 1 | 33.35
27 100.0 0.0 0.0 0.0 | 0 0 | 33.29
28 0.0 0.0 100.0 0.0 | 2 2 | 33.79
29 100.0 0.0 0.0 0.0 | 0 0 | 33.25
30 100.0 0.0 0.0 0.0 | 0 0 | 33.41
31 0.0 0.0 100.0 0.0 | 2 2 | 33.92
32 0.0 0.0 0.0 100.0 | 3 3 | 31.16
AverageUserTime 34.11 seconds
ElapsedTime 77.38
TotalUserTime 1091.86
TotalSysTime 2.14
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