| <<<Back 1 day (to 2020/10/15) | Fwd 1 day (to 2020/10/17) >>> | 20201016 |
Mohan | I am trying to convert 1000 pages PDF document to postscript file using the below command. | 13:48.33 |
| takes 45mins. | 13:48.34 |
| dCompressEntireFile option also not helps. Please, anyone, suggest improving the performance of ps conversion with Ghostscript. | 13:48.34 |
chrisl | If anything, I'd expect *adding* compression will make it slower | 13:52.46 |
kens | You haven't supplied us with an example PDF file to look at. (adn I'm not sure I want a 1000 page PDF file) | 14:54.27 |
| But the most likely problem is that your PDF file uses transaprency | 14:54.37 |
| Since PostScript doesn't support transparency it has to render the content to an image. | 14:54.54 |
| Depending on the resolution that will be slow, and will lead to large outptu files (which are slow to write as well) | 14:55.14 |
| I'm not sure there is a CompressEntireFile switch either | 14:55.37 |
| Oh apparnelty there is | 14:56.36 |
| Probably not a great idea to use it since it ASCII85Encodes the file which will make it bigger and slower | 14:57.01 |
| And note that if you doo use it, you should set CompreePages to false, as per the documentation | 14:57.31 |
| 45 minutes does seem like a long time for 1000 pages, but so much depends on teh size of the page, the nature of the content and the resolution its not really possible to say much | 14:58.20 |
chrisl | It's not outrageous if there's lots of transparency on all the pages..... | 14:59.04 |
kens | Well its 22 pages per minute, which isn't awful | 15:00.02 |
| But it is comparatively slow for vectore outptu, which is why I suspect the presence of transparency | 15:00.26 |
chrisl | Yes. and at the default resolution of those devices..... | 15:00.49 |
kens | yep, 720 dpi is not low | 15:01.00 |
chrisl | But since Mohan seems to have scarpered after less than four minutes, I guess it can't be that important! | 15:01.39 |
kens | Oh I hadn't noticed, I guess your answer scared him (?) off | 15:02.03 |
chrisl | I think the departure was before (or during) my reply | 15:02.33 |
| <<<Back 1 day (to 2020/10/15) | Forward 1 day (to 2020/10/17)>>> | |