Table of contents
Combined revision comparison
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EHT e22c20 correlation test
Testing also carried out at Bonn with e22c20 b4 scans 1026, 1033, 1070 etc under DiFX 2.8.1.1070.
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e22c20-1-b4_1019 : 748.983 sec, 12.6x slowdown, MpiDone
e22c20-1-b4_1026 : 165.502 sec, 2.6x slowdown, MpiDone
e22c20-1-b4_1033 : 147.769 sec, 2.5x slowdown, MpiDone
e22c20-1-b4_1070 : 2267.63 sec, 7.6x slowdown, MpiDone
2. run: 3.2 ms subint (EHT default), 20 buffered FFTs
e22c20-1-b4_1019 : 507.172 sec, 8.5x slowdown, MpiDone
e22c20-1-b4_1026 : 120.792 sec, 1.9x slowdown, MpiDone
e22c20-1-b4_1033 : 100.509 sec, 1.7x slowdown, MpiDone
e22c20-1-b4_1070 : 1522.75 sec, 5.1x slowdown, MpiDone
3. run: 8.0 ms subint, 20 buffered FFTs
e22c20-1-b4_1019 : 362.91 sec, 6.1x slowdown, MpiDone
e22c20-1-b4_1026 : 89.3295 sec, 1.4x slowdown, MpiDone
e22c20-1-b4_1033 : 78.328 sec, 1.3x slowdown, MpiDone
e22c20-1-b4_1070 : 1048.75 sec, 3.5x slowdown, MpiDone
4. run: 40.0 ms subint, 20 buffered FFTs
e22c20-1-b4_1019 : 264.533 sec, 4.4x slowdown, MpiDone
e22c20-1-b4_1026 : 74.2592 sec, 1.1x slowdown, MpiDone
e22c20-1-b4_1033 : 67.7457 sec, 1.1x slowdown, MpiDone
e22c20-1-b4_1070 : 780.338 sec, 2.6x slowdown, MpiDone
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Version from 11:31, 18 Sep 2023
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Testing also carried out at Bonn with e22c20 b4 scans 1026, 1033, 1070. The number of nodes was kept constant. Only v2d SETUP numBufferedFFTs and subintNS were altered.
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Version as of 11:36, 18 Sep 2023
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EHT e22c20 correlation test
Testing also carried out at Bonn with e22c20 b4 scans 1026, 1033, 1070 etc under DiFX 2.8.1.
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e22c20-1-b4_1019 : 748.983 sec, 12.6x slowdown, MpiDone
e22c20-1-b4_1026 : 165.502 sec, 2.6x slowdown, MpiDone
e22c20-1-b4_1033 : 147.769 sec, 2.5x slowdown, MpiDone
e22c20-1-b4_1070 : 2267.63 sec, 7.6x slowdown, MpiDone
2. run: 3.2 ms subint (EHT default), 20 buffered FFTs
e22c20-1-b4_1019 : 507.172 sec, 8.5x slowdown, MpiDone
e22c20-1-b4_1026 : 120.792 sec, 1.9x slowdown, MpiDone
e22c20-1-b4_1033 : 100.509 sec, 1.7x slowdown, MpiDone
e22c20-1-b4_1070 : 1522.75 sec, 5.1x slowdown, MpiDone
3. run: 8.0 ms subint, 20 buffered FFTs
e22c20-1-b4_1019 : 362.91 sec, 6.1x slowdown, MpiDone
e22c20-1-b4_1026 : 89.3295 sec, 1.4x slowdown, MpiDone
e22c20-1-b4_1033 : 78.328 sec, 1.3x slowdown, MpiDone
e22c20-1-b4_1070 : 1048.75 sec, 3.5x slowdown, MpiDone
4. run: 40.0 ms subint, 20 buffered FFTs
e22c20-1-b4_1019 : 264.533 sec, 4.4x slowdown, MpiDone
e22c20-1-b4_1026 : 74.2592 sec, 1.1x slowdown, MpiDone
e22c20-1-b4_1033 : 67.7457 sec, 1.1x slowdown, MpiDone
e22c20-1-b4_1070 : 780.338 sec, 2.6x slowdown, MpiDone
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