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The following are all the modes possible with MWAX configured as:

  • 128T (16 RRI receivers)
  • 24 x 1.28 MHz non-oversampled channels
  • No fringe-stopping

Legend:

The value in each cell is the total of all data from all coarse channels, in gigabytes, generated in 1 second (GB/s). Multiply by the duration of your observation to get total size of your observation in the mode chosen.

Blue cellsSupportedModes identical to the legacy correlator
Green cellsSupportedModes which are new to MWA and which are supported
Orange cellsUnsupportedModes which take more than 8 seconds to process 8 seconds of input data, or which generate more than 100 Gbp/s (thus not sustainable), and thus not selectable normally
Yellow cellsMay be supportedModes pending more testing (for throughput and also if the mode has a fine chan width which is not an integer), but which may end up being supported
MWAX Mode:GB/s
Voltage Capture (VCS) @ 1 Hz / 0.781 μs critically sampled15.9
MWAX Mode:
MWAX Correlator
cell values = Total data size (GB/s)Time Resolution (s)


fscrunch

fine chans

per coarse

fine chan

width kHz


0.25


0.5


1.0


2.0


4.0


8.0

164000.2161.6980.8540.4220.2110.115.05
232000.480.8540.4220.2110.115.052.53
416000.840.4220.2110.115.052.531.26
512801.032.3416.178.084.042.021.01
88001.620.2110.115.052.531.260.63
106402.016.178.084.042.021.010.51
164003.210.115.052.531.260.630.32
203204.08.084.042.021.010.510.25
252565.06.473.231.620.810.400.20
322006.45.052.531.260.630.320.16
401608.04.042.021.010.510.250.13
5012810.03.231.620.810.400.200.10
6410012.82.531.260.630.320.160.08
808016.02.021.010.510.250.130.06
1006420.01.620.810.400.200.100.05
1285025.61.260.630.320.160.080.04
1604032.01.010.510.250.130.060.03
2003240.00.810.400.200.100.050.03
2562551.20.630.320.160.080.040.02
3202064.00.510.250.130.060.030.02
4001680.00.400.200.100.050.030.01
64010128.00.250.130.060.030.020.01
8008160.00.200.100.050.030.010.01
12805256.00.130.060.030.020.010.01
16004320.00.100.050.030.010.010.01
32002640.00.050.030.010.010.010.01
640011,280.00.030.010.010.010.010.01
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