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Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-23, 00:04

in Milliways
I added a P4 2.53, P3 933, and POD200MMX on a SiS 530 motherboard. Interesting to see 200MMX results with various L2 caches: MVP3 with 1024KB L2 SiS 530 with 512KB L2 Triton with no L2. All three are within 2.5% of each other on the Decompress (integer) score. It's on the Compress (memory/cache …

Re: Building a K6-2 Socket 7 System

Posted on 2016-12-22, 15:38

Check out this sheet of benchmark results to see how various CPUs perform with different combinations of caches disabled. https://docs.google.com/spreadsheets/d/1uKhCIaYDP1sWoETFdqQ0kq_TY_sL4yHBSCGgG3qblPk/edit#gid=1720967797 There is a tab with K6-III+ 400 results, which is one of the more flexible …

Re: Building a K6-2 Socket 7 System

Posted on 2016-12-22, 12:13

If you're interested in games older than 1991, then you need to look at a 2nd PC, such as a 486, which can go down to 286 speeds when you disable turbo and caches. That requires a more precise definition. What is correct is that if one is interested in specific, timer-sensitive games older than …

Re: Building a K6-2 Socket 7 System

Posted on 2016-12-22, 03:44

What era of DOS games are you most interested in? The K6-2, through cache manipulation, will give you the flexibility to run at fast 386/slow 486 speeds, so rough games from 1991. And it's fast enough to run DOS games through 1996. If you're interested in games older than 1991, then you need to look …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-21, 19:41

in Milliways
For older apps/games old version might be more useful. But if possible do both versions. After benching all my systems, it looks like my 486 and Pentium cpus give nearly identical results between the old 4.53a version and the new 16.02 version. It's only with Pentium II and K6-2 and faster that I …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-21, 15:16

in Milliways
I've only ever tried with DOS 6.22. I've tried with it on hdd and boot floppy. So far it has worked on every machine: 486, Pentium, PII, K6-2. I wonder if there is something about Win7's DOS that causes this issue? Do you have access to an older DOS? I tried the 6.22 Bootdisk, still begs for …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-21, 15:15

in Milliways
I've only ever tried with DOS 6.22. I've tried with it on hdd and boot floppy. So far it has worked on every machine: 486, Pentium, PII, K6-2. I wonder if there is something about Win7's DOS that causes this issue? Do you have access to an older DOS? I tried the 6.22 Bootdisk, still begs for …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-21, 12:06

in Milliways
I've only ever tried with DOS 6.22. I've tried with it on hdd and boot floppy. So far it has worked on every machine: 486, Pentium, PII, K6-2. I wonder if there is something about Win7's DOS that causes this issue? Do you have access to an older DOS?

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-21, 00:21

in Milliways
If I had to choose, it seems 16.02 would be the more accurate. But if you can, it would be nice to replicate all your 4.53a entries to 16.02. Once that is finished, we can switch to 16.02 exclusively. I think there may be some good information in comparing them, information that would explain the …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-20, 22:47

in Milliways
There's definitely a difference between version 4.53a and 16.02. 16.02 recognizes specific cpus (for example, K6 3DNow!), so it may have optimizations for different cpus. I also see a big difference when comparing between K6-2 and Pentium II. With 4.53a, the PII-333 is 2% faster than the K6-2 300/ …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-20, 18:04

in Milliways
I added another tab and kept the existing results. If it's something we have time for we can slowly add them. If not, then we'll just keep using 4.53a version and ignore the other tab. That keeps our options open.

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-20, 15:53

in Milliways
I tested the recompiled-for-DOS version 16.02 of 7-Zip from the link DosFreak posted. It works perfectly in DOS but does give significantly different (higher) results. If we decide to switch to it, we will have to dump the results we've made so far and start over. Carlos, if you have time, would you …

Re: 7-Zip Benchmark, DOS Edition

Posted on 2016-12-20, 12:24

in Milliways
http://www.bttr-software.de/forum/board_entry.php?id=14569 Thanks! I'll check it out. It would suck to have to run our benchmarks all over again, though. :/ I have a PII 400Mhz however when I ran the test in DOS mode it hangs. It works fine from dos from within Win95 but I do not trust those …

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