Sorry, I should have been more explicit above when I mentioned the various settings. I tried this before and I checked it out right now again. cpu=dynamic and cycles=max leads to a performance improvement (times are 5 and 25 seconds) but this is still quite slow on the random file read side. Is this …

Hi, I have a DOS database application that uses flat files for data storage which is extremely fast on native DOS and NTVDM under Windows and very slow under DOSBox. I could track it down to the basic file I/O being slow in DOSBox and I hope that this is the right forum to raise this issue. I have …