Motorola MVME2400 Series Manuel de service télécharger pdf (Page 60)

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Functional Description

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

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 177 178

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Motorola MVME2400 Series Manuel de service Page 60

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