On 22-6-2006 15:03, David Roussel wrote:

Sureky the 'perfect' line ought to be linear? If the performance wasperfectly linear, then the 'pages generated' ought to be G times thenumber (virtual) processors, where G is the gradient of the graph. Insuch a case the graph will go through the origin (o,o), but you graphdoes not show this.I'm a bit confused, what is the 'perfect' supposed to be?

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`First of all, this graph has no origin. Its a bit difficult to test with`

`less than one cpu.`

`Anyway, the line actually is linear and would've gone through the`

`origin, if there was one. What I did was take the level of the`

`'max'-line at 1 and then multiply it by 2, 4, 6 and 8. So if at 1 the`

`level would've been 22000, the 2 would be 44000 and the 8 176000.`

`Please do notice the distance between 1 and 2 on the x-axis is the same`

`as between 2 and 4, which makes the graph a bit harder to read.`

Best regards, Arjen ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org