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Assumptions, Assumptions -12, Table 3-7. pci originated bandwidth matrix – Motorola MVME2400 User Manual

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3-12

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Functional Description

3

Assumptions

Certain assumptions have been made with regard to MVME2400
performance. Somethings which are assumed in making the
aforementioned tables include the following:

Table 3-7. PCI Originated Bandwidth Matrix

Transaction

First 2

Cache Lines

First 4

Cache Lines

First 6

Cache Lines

Continuous

Clock

Ratio

Clks

MBytes

sec

Clks

MBytes

sec

Clks

MBytes

sec

Clks/

Line

MBytes

sec

64-bit Writes

10

213

18

237

26

246

4

266

5:2

64-bit Reads

16

133

24

178

32

200

4

266

32-bit Writes

18

118

34

125

50

128

8

133

32-bit Reads

24

89

40

107

56

114

8

133

64-bit Writes

10

427

18

474

26

492

4

533

3:2

64-bit Reads

19

225

27

316

37

346

4

533

32-bit Writes

18

237

34

251

50

256

8

267

32-bit Reads

28

152

44

194

60

213

8

267

64-bit Writes

10

213

18

237

26

246

4

266

3:1

64-bit Reads

16

133

24

178

32

200

4

266

32-bit Writes

18

118

34

125

50

128

8

133

32-bit Reads

24

89

40

107

56

114

8

133

64-bit Writes

10

213

18

237

26

246

4

266

2:1

64-bit Reads

18

118

26

164

34

188

4

266

32-bit Writes

18

118

34

125

50

128

8

133

32-bit Reads

26

82

42

102

58

110

8

133

64-bit Writes

10

427

18

474

30

427

5

427

1:1

64-bit Reads

23

186

34

251

46

278

5.5

388

32-bit Writes

18

237

34

251

50

256

8

267

32-bit Reads

31

138

47

182

63

203

8

267