Re: Note re PS Portability/Speed (was Re: PDF Creation Problem)

[Peter Gold <peter@xxxxxxxxxxxx>]

I believe that in the distinction between PS Optimize for Speed and 
PS Optimize for Portability refers to the commands embedded in the 
..ps file.

In earlier releases of Acrobat, I understood that if one used a 
physical PS printer's driver, choosing Speed would send code macros 
(abbreviated instructions) to the printer, which would be expanded by 
firmware on the printer; because less code was sent, the transfer of 
information to the printer was faster, and because the printer 
firmware understood the abbreviated code, it processed the print job 
faster. A problem occurred when Distiller could not interpret or skip 
these macros in .ps files, and an error "offending command" or 
similar appeared.

Further, I understood that when using the Acrobat Distiller printer 
driver to create .ps files, there is no difference between 
Portability and Speed, because there is no physical printer, hence no 
special commands for it to interpret.

Was I misinformed? Did things change in newer releases?

Regards,

Peter Gold
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At 7:59 PM +0200 2/10/03, Shlomo Perets wrote:
>Jim Stauffer wrote:
>
>>... I would also recommend setting the PostScript Options to "Optimize for
>>Portability" initially. When everything is working OK, try changing this
>>to "Optimize for Speed."
>
>It's highly unlikely that the driver option of "Optimize for Portability"
>would have any effect on the FrameMaker crash that was reported
>in the original message.
>
>With all FrameMaker versions 5.x and higher, it's a good practice
>to keep the (default) option of "Optimize for Speed" at all times,
>as it results in better, more efficient PostScript.
>
>PDFs distilled from PS files created with "Optimize for Speed" are
>no less portable in any way.
>
>Notice that FrameMaker 7's (Windows) online help incorrectly
>recommends to set the PostScript driver to "Optimize for Portability"
>(in Troubleshooting and tips on PDF conversion").
>
>Shlomo Perets


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