/[webpac]/openisis/current/doc/limits.txt
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Contents of /openisis/current/doc/limits.txt

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Revision 237 - (show annotations)
Mon Mar 8 17:43:12 2004 UTC (16 years, 7 months ago) by dpavlin
File MIME type: text/plain
File size: 569 byte(s)
initial import of openisis 0.9.0 vendor drop

1 $
2 lengths in bits
3
4 record length: 15 (32K)
5 mfrl signed short in MST
6 DOS version has 8K
7
8 mfn: 24 bit (16M)
9 3 byte in IFP
10 mfn long in MST
11
12 db size(record position): 29 bit (512M)
13 xrmfb/xrmfp 20+9 in XRF
14
15 IFP occurence: 8 bit
16 IFP word count: 16 bit
17
18 #fields in FDT: 200
19 #lines in FST: 600
20 #stopwords: 799
21 #characters PFT: 10000
22 #characters PFT result: 64000
23
24 proposed limits:
25 record length: 24 bits (16M)
26 db size: 40 bit (1T)
27 index size: 32+13 bit (4G*8K blocks = 32T)
28 mfn: 32+8bit (256 databases per 4G records)
29
30 this needs 64 bit xrf (40pos+24len)
31 and 80 bit ifp
32 $

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