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Re: DOSBox 0.74 CPU Benchmark

Posted on 2020-02-22, 17:59

I ran this on my i9-9900KS @ 5.2 GHz and the framerate is actually LOWER (about 74 FPS) than my i7-7700K 5 GHz runs. Weird. I got 83 FPS in 800x600 in timedemo 1 in fullscreen mode, though. 2/76 = ~3% is in borders of measurement accuracy, according to what I saw. There was no significant per Hz …

Re: DOSBox 0.74 CPU Benchmark

Posted on 2020-02-19, 19:20

Yeah it is interesting. AMD IPC compares favorably to intel processors in some benchmarks and not in others. The example where 1st Ryzens are close in the performance to Sandy Bridge (of same 4/8 and close frequency). In DOSBox 2nd Ryzens are close to Sandy Bridge, while 1st are expected to be …

Re: DOSBox 0.74 CPU Benchmark

Posted on 2020-02-19, 17:15

Ryzen can be sensitive to memory bandwidth. DOSBox test has low influence from a memory of modern PCs. With lower or higher memory clocks you should get the same results. You may notice, the previous generation as AMD FX also has lesser performance in DOSBox than Intel CPUs of near time. In single …

Re: DOSBox 0.74 CPU Benchmark

Posted on 2020-02-19, 16:46

Ryzen R5 3600 @ ~ 4.15ghz Thank you. The improvement per Hz is ~15% compared to Ryzen 2xxx. Now it's close in DOSBox to Intel 4xxx at the same Hz. > A note on precision boost 2.0 - it oscillates clock speed between 4.05 and 4.2ghz constantly. 4.15ghz is pretty close to the average. It's close to …

Re: Some guys opinion about DOSBox

Posted on 2020-02-15, 00:06

in Milliways
Automatically changing settings for certain games is an interesting idea. Dolphin, NVIDIA driver, PCSX2 and Windows does this for example. The variety of Gamebase is the close example I saw for different retro platforms. For DOSBox specifically the needed settings were tested in ExoDOS. It's best …

Re: Bought this (Modern) hardware today

Posted on 2020-02-14, 18:41

in Milliways
Finally upgrading my PC after many years. Going Ryzen 5 3600 ... I do a lot of emulation, so I am excited for the extra threads and increase in IPC. DOSBox bench thread (check my signature) lacks newer Ryzen 3xxx to compare with previous 2xxx. Would be interesting to see the results for Ryzen's …

Re: Some guys opinion about DOSBox

Posted on 2020-02-12, 20:22

in Milliways
But is there a way to make Dosbox or any other Dos emulator more like a one click console emulator? It's useful to make a GUI for settings. Today people are not addopted to text files and command lines. Also with "Run the game" dialog. When it recongnizes the known game (by the filenames) - it …

Re: PCEm. Another PC emulator.

Posted on 2020-02-10, 19:39

in PC Emulation
kruwi wrote on 2020-01-09, 19:08: I have tried out PCEM and am fairly impressed. My quite crappy laptop (Pentium Silver N5000) manages to emulate a Pentium 90 at full speed (between 99-101 percent, very rarely dropping to 97 percent) I suspect DOSBox allows x2 times faster emulation. Mb useful for …

Re: New forum suggestions/Feedback

Posted on 2020-02-09, 22:40

in Milliways
When edit a message, there is a button "Delete this post". It would be more comfortable to have this button/option on a distance from "Submit" button, but not close to it. On far left or right side or below through an empty line, for example. It's not often used button to have it near "Submit" and …

Re: Some guys opinion about DOSBox

Posted on 2020-02-09, 22:21

in Milliways
"DOSBox generally isn't optimal for running games in general as the performance isn't very good" Is not optimal... Would be curious what emulators were significantly faster for DOS games, meanwhile having comparable accuracy and compatibility. Mb some of today VM and new emulators are good enough, …

Re: New forum suggestions/Feedback

Posted on 2020-01-26, 02:35

in Milliways
a bug when you've saved a message and then open it again to edit, you may press buttons above for actions. the button for a spoiler "Collapsible section: [details]text[/details] " should input the text according to the said description [details][/details] but it does the other. it inputs [details][ …

Re: Raspberry Pi 4 is here!

Posted on 2020-01-26, 01:54

in Milliways
It's interesting what speed numbers Raspberry 4B has in DOSBox. (The results of other models can be interesting also.) The way to compile DOSBox with dynrec support. How to measure the speed is there . [as archive.org does not work so I dub the text here] DOSBox 0.74-3 MSDOS x86 emulator, by …

Re: New forum suggestions/Feedback

Posted on 2020-01-08, 00:55

in Milliways
So to return the look closer to the previous needed: Colour scheme - old Font size - small Line spacing - small mb all that is possibly to do by a single option or to write a remark there about these 3 settings There was a possibility to find your last messages before from the profile. Now it's done …

Re: DOSBox Feature Request Thread

Posted on 2020-01-02, 22:53

Monochrome CGA mode (where any CGA app can be displayed so) in different colors: amber, green, b/w an example of a PC with amber CGA. An example of the patch, which is also used in ykhwong's builds. There was an utilite for the similar. the original CGA colors look worse sometimes than in monochrome …

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