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Notes: CPS/TCN/077
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Derivation
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…00……00……00……00……00…5…0a…5…0b…5…86…1 …02… …02… …02…
…02…CPS/TCN/077
…02…841207…02……02…#
CAMPS MEMORY USAGE
…02…ISSUE 2…02…CAMPS
T̲A̲B̲L̲E̲ ̲O̲F̲ ̲C̲O̲N̲T̲E̲N̲T̲S̲
1 GENERAL ........................................
4
1.1 PURPOSE ....................................
4
1.2 APPLICABLE DOCUMENTS .......................
4
1.3 TERMS ......................................
4
2 BACKGROUND DATA ................................
5
3 MEMORY USAGE ...................................
6
3.1 CONFIGURATION ..............................
6
3.2 MEMORY CLACULATION FORMULAS ................
7
3.3 MEMORY MAP .................................
8
3.4 MEMORY USAGE EXAMPLE .......................
9
4 MEMORY CALCULATION .............................
11
4.1 LARGE AND SMALL SITE .......................
11
4.2 PROBLEM AREAS ..............................
13
5 MEMORY REQUIREMENTS PER SITE ...................
14
APPENDIX A .....................................
15
APPENDIX B .....................................
17
1̲ ̲ ̲G̲E̲N̲E̲R̲A̲L̲
1.1 P̲U̲R̲P̲O̲S̲E̲
This document contains a detailed listing of CAMPS
memory usage.
1.2 A̲P̲P̲L̲I̲C̲A̲B̲L̲E̲ ̲D̲O̲C̲U̲M̲E̲N̲T̲S̲
a) CAMPS System Requirement Specification, CPS/210/SYS/0001.
1.3 T̲E̲R̲M̲S̲
TMS: Terminal Management System
FMS: File Management System
QSETUP: Queue Setup
TMP: Table Management
CSF: Camps System Functions
CMI: Command Interpreter
OAS: OCR Analysis
LOG: Logging
STP: Statistics
SAR: Storage and Retrieval
MOP: Message Distribution
UMAM: User Message Access Monitoring
SPIP: Supervisor Printer
ACS: Message Conversion
AAS: Message Analysis
SUPV: Supervisor
USER: User VDU
MSA: Message Service (MSO, MDCO)
ROP: Printer
OCR: Optical Character Reader
PTR: Papertape Reader
PTP: Papertape Punch
TRC ̲PTOP: Point-to-Point
DIAG: Diagnostic Utility
STIMULATOR: Test Utility
P: Process Code
D: Process Data
PPS: Process Parameter Segment
Page: 1 K Word
2̲ ̲ ̲B̲A̲C̲K̲G̲R̲O̲U̲N̲D̲ ̲D̲A̲T̲A̲
The data used to determine the CAMPS memory usage is
based upon the system generated for the CAMPS In-plant
Software Test. Data has been extracted from bootmodule
8220G and 8220S.
3̲ ̲ ̲M̲E̲M̲O̲R̲Y̲ ̲U̲S̲A̲G̲E̲
3.1 C̲O̲N̲F̲I̲G̲U̲R̲A̲T̲I̲O̲N̲
The CAMPS System Configuration used for the In-plant
Software Test:
22 USER Processes
4 MSA Processes
9 ROP Processes
4 LTP-PTR Processes
1 OCR Processes
5 PTR Processes
1 PTP Processes
16 TRC-PTOP Processes
2 SCARS ̲CCIS Processes
4 NICS-TARE Processes
The required CAMPS configurations according to CPS/210/SYS/0001
are shown in Appendix A.
The actual CAMPS configurations including remote terminals
are shown in Appendix B.
3.2 M̲E̲M̲O̲R̲Y̲ ̲C̲A̲L̲C̲U̲L̲A̲T̲I̲O̲N̲ ̲F̲O̲R̲M̲U̲L̲A̲S̲
SW component Formula
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲
System SW * 707 + x, where x is resource dependent
Non variable
appl. SW 289
Total fixed
Var. Appl. SW
User 32+(5+6)x no.-of-user-VDU
MSA 31+(7+6)x no.-of-MSG-service-VDU
ROP 17+(8x7) x INT (1/4 x no. of ROP)
OCR 17+ (3+3) x no.-of-OCR
PTR 0 + (5+3)x INT (1/4 x no.-of-PTR)
PTP 0 + (4+3) x no.-of-PTP
NT 0 + (7+4) x INT (1/3 x no.-of-NT)
SC 0 + (7+3) x no.-of-SC
PTOP 0 + (7+4) x INT (1/4 x no.-of-PTOP)
Subtotal var.
Total fixed + var.
Diag 15
Total
Code expans. 10% of appl. SW code = 26
Stimulator 60
All memory sizes are in kilowords (KW)
* Incl. 600 active CIFCB.
For each additional 100 CIFCB + 12KW memory + 0.8 MB
on-line disk.
3.3 M̲E̲M̲O̲R̲Y̲ ̲M̲A̲P̲
MW
2,0 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ MAX
1,5-2,0 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ FREE
1,4-1,9 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ STIMULATOR
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ DIAG
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ TRC ̲PTOP
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ SCARS ̲CCIS
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ NICS ̲TARE
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ PTP
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ PTR
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ OCR
ROP
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
MSA
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
USER
1,0 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ CAMPS FIXED APPL
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ SUP, MDP, STP, SAR
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
0,7
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ COPSY
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ QSETUP
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ FMS-FIX
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ FMS-MOVING
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ TMS
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ROOT, IDLE
0,3 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ CAMPS HANDLER
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ DAMOS HANDLER
0,2
KERNEL
0 ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
3.4 M̲E̲M̲O̲R̲Y̲ ̲U̲S̲A̲G̲E̲ ̲E̲X̲A̲M̲P̲L̲E̲
The following example is applicable for the In-plant
SW test configuration.
S̲W̲ C̲O̲M̲P̲O̲N̲E̲N̲T̲ P̲A̲G̲E̲S̲
Fixed Program and Data Size:
KERNEL: 195
DAMOS HANDLER: 22
CAMPS HANDLER: 80
ROOT 7
IDLE 5
TMS 56
FMS-MOVING (incl. 50KW for extension from
180 to 600 CIFCB) 120
FMS-FIX 32
QSETUP 30
COPSY P:52 D:59 111
DAMOS + COPSY Total 658
TMP P:11 D:16 PPS:(3) 30
CSF P: 4 D:10 PPS:(3) 19
SYSTEM SW Total 707
CMI P:11 D: 5 PPS:(6) 22
OAS P:11 D: 4 PPS:(3) 18
LOG P: 5 D:10 PPS:(3) 18
STP P: 8 D:18 PPS:(3) 24
SAR P:31 D: 9 PPS:(3) 43
MDP P: 6 D: 3 PPS:(3) 12
UMAM P:10 D: 6 PPS:(3) 19
SPIP P: 8 D: 3 PPS:(3) 14
ACS P:12 D:19 PPS:(3) 34
AAS P:15 D:16 PPS:(3) 34
SUPV P:37 D: 7 PPS:(6) 50
Fixed Appl. SW Total 2̲8̲9̲
Total Fixed 9̲9̲6̲ pages
S̲W̲ C̲O̲M̲P̲O̲N̲E̲N̲T̲ P̲A̲G̲E̲S̲
TRANSFERRED 996
Variable Program and Data Size:
USER P:32 D:22*5 PPS:22* 6 274
MSA P:31 D: 4*7 PPS: 4* 6 83
ROP P:17 D: 4*8 PPS: 4* 7 77
OCR P:17 D: 3 PPS: 3 23
PTR P: 0 D: 2*5 PPS: 2* 3 16
PTP P: 0 D: 4 PPS: 3 7
NICS ̲TARE P: 0 D: 2*7 PPS: 2* 4 22
SCARS ̲CCIS P: 0 D: 2*7 PPS: 2* 3 20
TRC ̲PTOP P: 0 D: 4*7 PPS: 4* 4 ̲4̲4̲
SUBTOTAL VARIABLE APPLICATION SW 5̲6̲6̲
TOTAL 1̲5̲6̲2̲
DIAG P: 5 D: 5 PPS: 5 ̲ ̲1̲5̲
GRAND TOTAL 1̲5̲7̲7̲
Max pages: 2048
Not used: 471
STIMULATOR ̲ ̲6̲0̲
TOTAL incl. DIAG + STIMULATOR 1637
Expansion 10% of application SW code 26
10% of application SW code + data 86
10% of application all SW code + data 158
All memory sizes are in kilowords = pages.
Each additional 100 CIFCB requires 12 KW memory + 0.8
MB on-line disk.
4̲ ̲ ̲M̲E̲M̲O̲R̲Y̲ ̲C̲A̲L̲C̲U̲L̲A̲T̲I̲O̲N̲
4.1 L̲A̲R̲G̲E̲ ̲A̲N̲D̲ ̲S̲M̲A̲L̲L̲ ̲S̲I̲T̲E̲
The following three examples show the memory usage
for SHAPE site, worst case for a large site with 4
memory boards (NAPLES Equipped Capacity) and a small
site with 3 memory boards and with the largest connected
connectivity (REITAN).
…01…S̲I̲T̲E̲
S̲W̲ ̲c̲o̲m̲p̲o̲n̲e̲n̲t̲ S̲H̲A̲P̲E̲ N̲A̲P̲L̲E̲S̲ a) R̲E̲I̲T̲A̲N̲ b) R̲E̲I̲T̲A̲N̲
̲+̲ ̲R̲T̲
connec- me- equip. me- connec- me- connec- me-
ted mory connec- mory ted mory ted mory
connec- tivity connec- connec-
tivity tivity tivity
̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲
̲ ̲ ̲ ̲ ̲ ̲
System SW * 742 777 707
Non variable
appl. SW 289 289 289
Total fixed (1031) (1.066) (996)
Var. Appl. SW
User 23 285 40 440 13 143 (+ 4) (+44)
MSA 4 83 4 83 4 83
ROP 10 62 24 107 7 47 (+ 3) (+15)
OCR 2 29 6 53 1 23
PTR 1 8 1 8 1 8
PTP 1 7 1 7 1 7
NT 4 22 6 22 2 11
SC 2 20 2 20 2 20
PTOP 24 66 24 66 5 26
Total Var. (582) (806) (368) (+59)
Total fixed
+ var. 1613 1872 1364 (1423)
Diag 15 15 15
Grand Total 1628 1887 1379 (1438)
Memory
available 2048 2048 1536
Expandability 420 161 157 (98)
a) Worst case for large site equipped with 4 x 512
KW RAM per PU.
b) Small site equipped with 3 x 512 KW RAM per PU excl.
Remote Terminals.
N.B. Maximum wired capacity cannot exceed 120 channels.
* Incl. 600 active CIFCB.
For each additional 100 CIFCB + 12KW memory + 0.8 MB
on-line disk.
4.2 P̲R̲O̲B̲L̲E̲M̲ ̲A̲R̲E̲A̲S̲
The following problems shall be considered for a further
expansion of capacity beyon a busy hour of 600 messages.
a) M̲e̲m̲o̲r̲y̲
An expansion of the maximum number of active CIFs
requires additional 12 KW memory per 100 CIFs.
b) Q̲u̲e̲u̲e̲-̲l̲e̲n̲g̲t̲h̲
The maximum queue-length of 255 QEL shall be extended
in order to avoid a system crash at high load combined
with unattended operation. Estimated effort is
11 man months.
c) P̲e̲r̲f̲o̲r̲m̲a̲n̲c̲e̲
An expansion of the memory area to be segmented
will decrease performance with an p.t. unknown
percentage, dependent on the number of segments
and the transaction mix.
d) I̲n̲t̲e̲r̲m̲e̲d̲i̲a̲t̲e̲ ̲S̲t̲o̲r̲a̲g̲e̲
The requirement for on-line storage (intermediate
storage) will be violated because an expansion
of short-term storage (active CIF's and queue-elements
must be balanced by a decrease of intermediate
storage due to limited disk space. The consequences
are more frequent off-loads (more than one per
day).
e) D̲i̲s̲k̲-̲s̲p̲a̲c̲e̲
Currently the 80 MB on-line disc (MMD) is heavily
packed i.e. only about 10% free space, which should
be saved for possible unavoidable expansion of
files. Each 100 active CIFs requires 0.8 MB effective
disk space.
An additional pair of mirrored disk drives can
be mounted in the CAMPS EMI-racks by daisy chaining
to the existing MMDs. It should although be noted
that MMDs no longer can be delivered, but 160 MB
FSDs are available without fixed heads. COPSY shall
be modified accordingly. Estimated effort 10 man
months.
N.B. Termal problems can be foreseen (see notes
IJO/841119).
5̲ ̲ ̲M̲E̲M̲O̲R̲Y̲ ̲R̲E̲Q̲U̲I̲R̲E̲M̲E̲N̲T̲S̲ ̲P̲E̲R̲ ̲S̲I̲T̲E̲
The memory requirements per site are shown in
Appendix A.
A̲ ̲P̲ ̲P̲ ̲E̲ ̲N̲ ̲D̲ ̲I̲ ̲X̲ ̲ ̲A̲
A̲ ̲P̲ ̲P̲ ̲E̲ ̲N̲ ̲D̲ ̲I̲ ̲X̲ ̲ ̲B̲
