I hope not yet, in regards the P4. The P4 and Athlon are quite different
beasts in terms on optimisations - you cannot do fast code for both
processors in the same code.
Read Athlon = P3 (But only faster). Eg Athlon does not have the P3 register
stalls etc
Read P4 = Slow P3. The P4 is basically a P3 with a higher clock speed and
all the "Speed enhancement - eg No Barrel Shifter, No register renaming"
technology removed. Hence the optimisations you do for the P4 are quite
different than the P3.
>The only other inducement that I can see is that the web site announcement
>included words to the effect that D7 has improved code generation, and as
>the optimiser was getting rather aged in respect of P4 and Athlon
>instruction cost changes, I'm hoping for a better and faster code for our
>application.
>
>Max
I.e. If you run Delphi applications, then unless you buy the latest P4 (Read
2.5GHZ and above), your Delphi application will still run faster on a Athlon
than a P4. If you buy one of the first generation P4's (eg 2.2GHZ and
below), then you will definitely run slower.
Myles.
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