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- 90-07-18, rgf, wu-vienna
-
- The enclosed DHRYSTONE-benchmark was received by E-mail and was compiled for
- DOS and OS/2 V1.1 as a family application. This was done in order to get at
- least some hints on performance issues of PC's running OS/2.
-
- As the results differ depending on compiler optimization I chose to use
- maximum optimization and utilized the small memory model.
-
- It is funny to see what dhrystones were achieved a couple of years ago, so
- take a look into the "DRY.C" header comments...
-
- In order to test a little bit the multitasking abilities of OS/2 there are
- some batch-files provided which detach two or five dhrystones and then
- waits until all of them finished (SCHLAF.EXE can be renamed to SLEEP.EXE and
- uses DosSleep to wait the given time). If you add the dhrystones and the
- multitasking is smooth you should end up with the same number of dhrystones as
- for a single foreground dhrystone.
-
- DRYR.EXE .... dhrystone with register variables
- DRYNR.EXE ... dhrystone whith no register variables
-
- Have fun - any comments appreciated...
-
- ---rony
-
- P.S.: to compile with MSC: "make dry" and "make schlaf"