Crate data rates

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Notes:

  • Rates below for 10**8 photon/sec, 200 MHz trigger rate, 18 kB/event, 3.5 GB/sec total off detector.
  • Based on simulated data using latest L1 algorithm, no E-M background, MC2CODA in block=1 mode, no compression.
  • Switch uplinks will all be 10 Gbit/s.
  • Gbit port limit (for planning) 80 MB/sec (64% utilization).
  • VME backplane limit normally about 125 MB/s (1 Gbit/s) including all overheads.
  • IMPORTANT NOTE: FADC125 currently has lower limit, maybe 100 MB/s!


# rocid crate_name rate(MB/s) +/- RMS(MB/s)
 
1  T1-1-TOP  26.5026 +/- 1.16435
2  T1-1-BOT  48.4 +/- 0
4  T1-2-MID  77.2 +/- 0

10  U1-7-TOP  13.3194 +/- 3.25493
12  U1-8-TOP  51.6 +/- 0
13  U1-8-MID  13.2 +/- 0
14  U1-8-BOT  15.4008 +/- 1.89476
 
21  N1-3-TOP  78.9368 +/- 14.8513
22  N1-3-MID  78.8742 +/- 14.8678
23  N1-3-BOT  66.5193 +/- 7.45214
24  N1-4-TOP  78.9076 +/- 14.8447
25  N1-4-MID  78.8871 +/- 14.8348
26  N1-4-BOT  66.8464 +/- 8.37775

31  S1-3-TOP  78.8961 +/- 14.854
32  S1-3-MID  78.9547 +/- 14.8834
33  S1-3-BOT  66.5185 +/- 7.47099
34  S1-4-TOP  78.9162 +/- 14.8823
35  S1-4-MID  78.9584 +/- 14.8581
36  S1-4-BOT  66.8782 +/- 8.41736
 
41  U2-3-TOP  74.6699 +/- 48.3041
42  U2-3-MID  68.1581 +/- 45.0084
43  U2-3-BOT  78.7931 +/- 3.74985
44  U2-4-TOP  100.485 +/- 47.9626
45  U2-4-MID  95.6157 +/- 43.3246
46  U2-4-BOT  78.1626 +/- 2.73335
47  U2-5-TOP  90.1174 +/- 39.0285
48  U2-5-MID  92.6444 +/- 39.165
49  U2-5-BOT  90.3491 +/- 37.7538

50  U2-6-TOP  119.092 +/- 60.4657
51  U2-6-MID  120.192 +/- 60.2741
52  U2-6-BOT  115.375 +/- 57.8435
53  U2-7-TOP  136.556 +/- 74.2538
54  U2-7-MID  125.724 +/- 65.1841
55  U2-7-BOT  78.1549 +/- 2.70645
56  U2-8-TOP  68.9248 +/- 45.7449
57  U2-8-MID  74.5009 +/- 48.537
58  U2-8-BOT  78.7711 +/- 3.70906
 
61  D2-1-TOP  67.2503 +/- 23.8987
64  D2-2-TOP  50.9238 +/- 6.49004
65  D2-2-MID  53.8664 +/- 11.1242
66  D2-2-BOT  50.9472 +/- 6.54221
67  D2-3-TOP  46.3277 +/- 4.0919
68  D2-3-MID  53.8694 +/- 11.0666
69  D2-3-BOT  46.3215 +/- 4.06016 

72  D2-6-TOP  46.321 +/- 4.08818
73  D2-6-MID  53.8801 +/- 11.1752
74  D2-6-BOT  46.3261 +/- 4.1088
75  D2-7-TOP  50.9318 +/- 6.49654
76  D2-7-MID  53.9003 +/- 11.1635
77  D2-7-BOT  50.9519 +/- 6.55757