# Last updated: 7/22/2002 Constants: 48[1] 25[2] 120[3]
Config 2001     Proposed configuration for Run 2003
# SN[4] Crate DMU FEC[5] Size DMU time[6] FFI time[7] # SN[8] Crate DMU[9] FEC[10] Size[11] DMU time[12] FFI time[13] Idle[14] Workers[15]
1 1 0 2 1 12288 492 594 22 22 0 23 22 4096 164 198   12288
2 2 0 3 2 8192 328 662 19 19 0 20 19 4096 164 233 0
3 3 0 11 3 6144 246 713 25 25 0 26 25 2048 82 250 0
4 4 0 5 4 7168 287 773 26 26 0 27 26 2048 82 268 0
5 5 0 6 5 6656 266 829 3 3 0 11 3 6144 246 319 0 14848
6 6 0 7 6 6656 266 884 8 8 0 9 8 6656 266 375 0
7 7 0 8 7 6144 246 935 24 24 0 25 24 2048 82 393 0
8 8 0 9 8 6656 266 991 7 7 0 8 7 6144 246 444 0 14336
9 9 0 10 9 12288 492 1093 11 11 0 12 11 8192 328 513 0
10 10 0 4 10 8192 328 1161 15 15 0 16 15 6144 246 565 0 14336
11 11 0 12 11 8192 328 1230 18 18 0 19 18 8192 328 633 0
12 12 0 13 12 7680 307 1294 5 5 0 6 5 6656 266 689 0 14848
13 13 0 14 13 7168 287 1353 2 2 0 3 2 8192 328 758 0
14 14 0 15 14 6656 266 1409 6 6 0 7 6 6656 266 814 0 13824
15 15 0 16 15 6144 246 1460 4 4 0 5 4 7168 287 874 0
16 16 0 17 16 6656 266 1516 14 14 0 15 14 6656 266 930 0 14848
17 17 0 18 17 7680 307 1580 10 10 0 4 10 8192 328 998 0
18 18 0 19 18 8192 328
1648
13 13 0 14 13 7168 287 1059 0 14848
19 19 0 20 19 4096 164 1682 12 12 0 13 12 7680 307 1123 0
20 20 0 21 20 7680 307 1746 16 16 0 17 16 6656 266 1179 0 14336
21 21 0 22 21 8192 328 1814 17 17 0 18 17 7680 307 1243 0
22 22 0 23 22 4096 164 1848 1 1 0 2 1 12288 492 1346 0 12288
23 23 0 24 23 2048 82 1865 9 9 0 10 9 12288 492 1449 0 12288 153088[16]
24 24 0 25 24 2048 82 1882 41 15 1 16 47 6144 246 297   14848
25 25 0 26 25 2048 82 1900 40 14 1 15 46 6656 266 353 0
26 26 0 27 26 2048 82 1917 23 23 0 24 23 2048 82 371 0
27 1 1 2 27 12288 492 594 28 2 1 3 28 6144 246 422 0 14336
28 2 1 3 28 6144 246 645 29 3 1 4 29 8192 328 491 0
29 3 1 4 29 8192 328 713 33 7 1 8 39 6144 246 543 0 14336
30 4 1 5 36 7680 307 777 36 10 1 11 42 8192 328 611 0
31 5 1 6 37 7168 287 837 38 12 1 13 44 7168 287 671 0 14336
32 6 1 7 38 6656 266 893 31 5 1 6 37 7168 287 731 0
33 7 1 8 39 6144 246 944 42 16 1 17 48 6656 266 787 0 14848
34 8 1 9 40 6656 266 999 37 11 1 12 43 8192 328 856 0
35 9 1 10 41 12288 492 1102 39 13 1 14 45 6656 266 912 0 14336
36 10 1 11 42 8192 328 1170 30 4 1 5 36 7680 307 976 0
37 11 1 12 43 8192 328 1238 32 6 1 7 38 6656 266 1032 0 14336
38 12 1 13 44 7168 287 1298 20 20 0 21 20 7680 307 1097 0
39 13 1 14 45 6656 266 1353 34 8 1 9 40 6656 266 1152 0 14848
40 14 1 15 46 6656 266 1409 21 21 0 22 21 8192 328 1221 0
41 15 1 16 47 6144 246 1460 27 1 1 2 27 12288 492 1324 0 12288
Text Box: Summary Using proposed configuration the data transfer time will be reduced by 1917-1449 = 468 us. The Mercury processing time should also be shorter by 20% due to reduced size of the longest worker.
42
16 1 17 48 6656 266 1516 35 9 1 10 41 12288 492 1427 0 12288 140800[17]
[1]
FEC trailer length = 48 bytes
[2]
DMU transfer rate = 25 MB/s
[3]
FFI transfer rate = 120 MB/s
[4]
Readout sequence number
[5]
Hardware FEC ID number defined in the FECs PROM
[6]
Time when DMU transfer have finished
[7]
Time when both DMU and FFI transfers have finished
[8]
Andrei Sukhanov:
Readout sequence number as I was in run 2001
[9]
DMU channel number. Hardwired in DMU.
[10]
Hardware FEC ID number defined in the FECs PROM
[11]
Andrei Sukhanov:
FEC size in bytes. 48 bytes of the trailer is not included
[12]
Time when DMU transfer have finished
[13]
Time when both DMU and FFI transfers have finished
[14]
Time period during which the FFI will idle due to no data from FFI. For hardware to work properly this period should be 0.
[15]
Connection to workers
[16]
Total bytes crate 0
[17]
Total bytes in crate 1