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Random Communication Benchmark

4 racks

  • 1024 VM nodes (1024 cores)
  • 10G network

Hama 0.4

  • Work in progress

1 rack

  • 16 nodes (256 cores)
  • 10G network

Hama 0.4 (r.1177507)

  • 160 Tasks (10 tasks per node)

Size of each message

Messages per superstep

Number of supersteps

Job runtime

16 bytes

10,000

32

63.875 seconds

16 bytes

20,000

32

81.76 seconds

16 bytes

30,000

32

102.879 seconds

16 bytes

40,000

32

117.783 seconds

16 bytes

50,000

32

129.778 seconds

16 bytes

60,000

32

147.876 seconds

16 bytes

70,000

32

156.896 seconds

16 bytes

80,000

32

184.609 seconds

16 bytes

90,000

32

187.035 seconds

16 bytes

100,000

32

199.027 seconds


  • 16 Tasks (1 task per node)

Hama 0.3

Improved compared with 0.2-incubating.

Size of each message

Messages per superstep

Number of supersteps

0.2-incubating

0.3-incubating

16 bytes

1000

512

507.837 seconds

486.838 seconds

16 bytes

1000

1024

979.198 seconds

874.016 seconds

Hama 0.2

Test 1 (many small messages vs. few large messages)

Size of each message

Messages per superstep

Number of supersteps

Job runtime

500 bytes

100

16

7.461 seconds

500 bytes

100

32

9.397 seconds

500 bytes

100

64

14.341 seconds

500 bytes

100

128

26.394 seconds

500 bytes

100

256

43.411 seconds

500 bytes

100

512

84.489 seconds

500 bytes

100

1024

156.581 seconds

500 bytes

100

2048

308.671 seconds

Size of each message

Messages per superstep

Number of supersteps

Job runtime

10 kb

5

16

13.679 seconds

10 kb

5

32

23.427 seconds

10 kb

5

64

46.398 seconds

10 kb

5

128

86.476 seconds

10 kb

5

256

171.511 seconds

10 kb

5

512

339.608 seconds

10 kb

5

1024

675.994 seconds

10 kb

5

2048

1872.939 seconds

Test 2

Size of each message

Messages per superstep

Number of supersteps

Job runtime

16 bytes

1000

16

20.365 seconds

16 bytes

1000

32

36.386 seconds

16 bytes

1000

64

67.404 seconds

16 bytes

1000

128

126.503 seconds

16 bytes

1000

256

251.602 seconds

16 bytes

1000

512

507.837 seconds

16 bytes

1000

1024

979.198 seconds

16 bytes

1000

2048

2030.187 seconds

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