Ubuntu tested was with the GNOME interface? MATE is my preferred flavor, but I would guess that the main Ubuntu family should test the same results as each other. Like many readers here, we miss the GIMP test results for Ubuntu.
This series of tests reflect the same results as previous Phoronix results. Clear Linux was designed to show the best results for the Intel CPU. However it also shows the best result also for the AMD CPU.
Almost missed is the summary to these tests:
> " ... tied for first on this AMD Ryzen Threadripper 2950X system was Ubuntu 19.04 and Clear Linux."
This equality with Clear Linux is unexpected. Does the Ubuntu family value benchmark results over other factors? If OpenMandriva values power savings, to prolong the battery life in portable computers, do the Ubuntu family perform poorly in battery life?
It would be so nice if Linux operating systems could have standardised battery-life benchmarks. Android systems have these, so when Linux is ready for the mass market, these benchmarks should be available.
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Benchmarks Of OpenMandriva's AMD Zen Optimized Linux Distribution Against Ubuntu, openSUSE, Clear Linux
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Originally posted by hubicka View Post
Tumbleweed is now updated from GCC 8 to GCC 9. However LTO is not on yet. It will hopefully do LTO soon - as of today 14 packages needs fixing (mostly because of symbol versioning issues).
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Originally posted by ms178 View PostMaybe LLVM/Clang does need more tuning for Zen? As a Sony employee does most of the work on this front, expect more Zen tuning with the new PS5. And my takeaway is that Clang still performs a bit worse than GCC at least in the benchmarks shown here.
I was surprised to see that Tumbleweed got better, their recent LTO effort seems to pay off.
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Hey Micheal; what about Fedora? Many of us are in the Fedora camp and would find such comparison interesting.
As for this distro it would would be interesting to see what is the root cause of its performance issues. Is it CPUFreq? More likely it is a combination of things but with both versions performing so badly compared to other distros it would be nice to see what is the major problem.
The GIMP results seem to indicate significant build issues beyond any impact governor settings may have. In fact the delta here was actually a big surprise.
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Originally posted by duby229 View PostActually the real truth is that Zen performs better when using Broadwell optimizations.
ENTIRELY speculation....
I honestly believe Intel donated a Broadwell based architecture to AMD shortly after AMD launched Bulldozer derived architectures.
AMD then rebased it and redeveloped it into what Zen is. I think Intel realizes they need AMD to continue to exist at some level, either due to contractual obligations or due to legal obligations, but in any case the end results are the same, Zen is very similar to Broadwell and it performs better with Broadwell compiler tuning.
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Originally posted by k1e0x View Post
This idea/rumor was floating around the Gentoo camp for a while. I tend to find this skeptical with Intel's knee jerk reactions to Zen. Zen is the work of Jim Keller the lead architect behind the Athlon64 chip. He left AMD in 1999 and returned to create Zen.
Intel has publicly bashed the design but.. if you think of the limits we face with moore's law it may be rather smart to extend CPU performance sideways by adding core count and threading to processes. In a way AMD did the only thing they could and it was a win.
EDIT: Please don't forget about Nexgen's K6, which is -exactly- what K7 derived from. That's all -Fred Weber-.... No doubt Jim Kellerdid something to improve K8, but he didn't design it, he already had a complete architecture to work with. No doubt he also had a complete architecture to work with when he started Zen....Last edited by duby229; 21 June 2019, 07:47 AM.
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Originally posted by duby229 View PostActually the real truth is that Zen performs better when using Broadwell optimizations.
ENTIRELY speculation....
I honestly believe Intel donated a Broadwell based architecture to AMD shortly after AMD launched Bulldozer derived architectures. AMD then rebased it and redeveloped it into what Zen is. I think Intel realizes they need AMD to continue to exist at some level, either due to contractual obligations or due to legal obligations, but in any case the end results are the same, Zen is very similar to Broadwell and it performs better with Broadwell compiler tuning.
Intel has publicly bashed the design but.. if you think of the limits we face with moore's law it may be rather smart to extend CPU performance sideways by adding core count and threading to processes. In a way AMD did the only thing they could and it was a win.Last edited by k1e0x; 20 June 2019, 12:39 PM.
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Actually the real truth is that Zen performs better when using Broadwell optimizations.
ENTIRELY speculation....
I honestly believe Intel donated a Broadwell based architecture to AMD shortly after AMD launched Bulldozer derived architectures. AMD then rebased it and redeveloped it into what Zen is. I think Intel realizes they need AMD to continue to exist at some level, either due to contractual obligations or due to legal obligations, but in any case the end results are the same, Zen is very similar to Broadwell and it performs better with Broadwell compiler tuning.
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Originally posted by k1e0x View PostI was under the understanding that not very much (depending on the version) of znver1 was different from generic x86_64 and that it was mostly a future stub flag. Clearly a lot of work and understanding of optimizing for ZEN still can be done.
"AMD how you doing over there... would you like to help make your processors go fast?"
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Is the Arch Clear Kernel enough to get extra performance in-game or Mesa needs to be also a clear build?
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