From: <Ari...@ic...> - 2003-01-30 14:56:58
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Marcel (and others), as an experiment, I just downloaded and installed the DGJPP package, and used the g77 compiler (v3.2) to create a new exe. What a surprise that this version is some 60% faster in start-up compared to the g77 compiler as part of the MinGw package. Some numbers: Run-time: DOS/Lahey fortran 12.14 sec's Gnu 0.5.25 version 68.33 sec's MinGW package 65.31 sec's DGJPP package 26.03 sec's The above in a loop with 27 program-starts. It seems to me it could be related to the differences between the MinGW and the DGJPP package. Unfortionally I know nothing about what g77 packages all exist and what the differences are between all releases. Just received your reply.... > Maybe the DJGPP version will however really help you in this case as it will > allow you to build a statically linked executable. And it did... I did not yet figure out how to build a statically linked exe or if this is the default behavour... However, I did notice that when using the -O2 option with DGJPP the program did not work properly any more. (the MinGW version did work with all -O1 to -O6 options) As a g77 newbie, I would think, just one release of the g77 compiler would be enough. why three or even more different releases ?. Could you (or someone else) spend a few words about this. Just to give me some more basic understanding. Thanks a lot for your DGJPP suggestion, Arie. ---------------- This E-mail message, including any attached documentation, is confidential. Should you have received this message wrongly, you are urged to inform the sender at "disclaimer@ICT.nl" and remove the message from your system. Any unauthorised dissemination of the information, in whole or in part, is prohibited. E-mail messages can be subject to change. ICT Automatisering NV and its subsidiaries cannot be held responsible for incorrect, incomplete and/or delayed transfer of messages and possible damage caused by this. Although ICT Automatisering NV (including its subsidiaries) makes every effort to send messages free of viruses by using a viruschecker, ICT Automatisering NV (or its subsidiaries) cannot guarantee that the message and any attachments are actually completely virus free. |