Intel Xeon Phi Coprocessor?
Has anyone got these working on a server? This has really piqued my interest lately so im hoping to find some answers on how exactly they work.
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Requested by professorparabellum#0
it’s cheap enough to just buy one
https://bmisurplus.com/product/intel-xeon-phi-coprocessor/?srsltid=AfmBOorSiiuHxq81RMRbWhwfluFBYCkBnnjmBetK8f_eMjZSi5O5eTmWNuU&gQT=2
BMI SURPLUS INC
Intel Xeon Phi Coprocessor
Intel Xeon Phi Coprocessor Computer-Office Equipment Computer Accessories Computer Accessories, Computer Equipment
another funny thing you can get is https://www.ebay.com/itm/335683970941
eBay
Intel Hr2000 J33994-001 Intel Server w/ 4X S7200AP Blades 2x Power ...
Includes original box with foam inserts, one power cable and a rail kit.
I’ve heard that geekbench 6 isn’t a good multicore benchmark, but this is phi 7250 vs a single e5-2667v2
https://browser.geekbench.com/v6/cpu/compare/9193445?baseline=226335
yeah honestly speaking, the x200 phi processors would be an amazing option because theyre like, below dirt cheap in terms of price-to-core count
its just a shame that the single thread performance is so trash
cause idek if i can reliably handle 100 or so players on a 1.8 server with that bad of a single thread score
afaik, the single thread performance is like 10x worse than a zen 5 processor
im not running any modern servers on intel processors
I'd be surprised if it could keep a vanilla server with 0 players online at 20tps
i was only planning this for 1.8 servers
maybe? Not quite sure
right now we're renting a dual Intel Xeon E5-2683 v4 machine
it has like, 1700 single thread
considering each phi coprocessor only gets 16 to 32gb of ram, I don't think it makes sense
which is enough to reliably handle 200 players in a single server before the tps starts to drop
no no no, not coprocessor
i found this earlier
ah, so this machine basically
that was a quad node 7250 machine
the x100 is so old that the kernel drivers for it were dropped in 5.1
(linux)
yeah
eBay
ASRock 2U4N-F/X200 4x Node Server Xeon Phi 7210, 16GB MCDRAM, 64C P...
Find many great new & used options and get the best deals for ASRock 2U4N-F/X200 4x Node Server Xeon Phi 7210, 16GB MCDRAM, 64C Per Node #95 at the best online prices at eBay! Free shipping for many products!
what kind of dimms does that need
ddr4-2100
so to run this machine it would cost (assumed) $260 a month for whats essentially 4 servers each with 64 cores
that's wack
which would be cheaper, to deploy, and to keep running, than it would be to buy eight 32-core servers
Yeah, but on the other hand, it's cheaper to keep 2x 5950X running, which would outperform probably all 4 nodes
i paid roughly $252 each for these two E5-2698v3 machines. So to get eight of those would be $2,016 to start off, and then another $640/mo to colocate
oh, but like 2x 5950X machines will outperform all 4 of those xeon phi nodes
I can almost promise that one
grass is green
if you want, this ships from Japan and has 7120p phi processors
https://www.ebay.co.uk/itm/375820627731
eBay
Intel Xeon Phi Coprocessor 7120p 61 Core RAM 1.238 GHz PCIe DDR5 16...
■Processor number: 7120P. ■16GB, 1.238 GHz, 61 cores. ■Basic frequency of processor: 1.24 GHz. ■Maximum turbo frequency: 1.33 GHz. ■Total cores: 61.
for a poc just to check, that would probably be your most reasonable bet
yeah im still picking up this $40 card i foudn on ebay
just for testing
no hyperthreading?
interesitng
also 0 virt support is also very interesting
yeah, the one I linked was 2 cards for $120 and they're the right generation of Phi
the x200 generation has a coprocessor equivalent but its unobtainium
or did they name them confusingly
OHH, 7210 vs 7120
fuck intel
name looks correct but is 200x
phi coprocessor = the thing was put on a card and basically runs as an SoC
phi processor = just the cpu
could've sworn I read somewhere they have 4t per core
im only running 1.8 servers on our intel machines, cause they have high core count. we use a private fork and noticed around a 50% decrease in overall cpu usage in comparison to carbonspigot
yeah, you'd really have to do tests, but I feel like getting a 5950x based server would be more economical in both the short term and the long term
64 cores that are 8x slower than a single core on a 5950x still won't outperform a 5950x in an all core load
^exactly my thought
I've never used phi, so I don't know if their single core performance drops under an all core load, but if it's like other xeons for the time, then it would
@professor realistically, if you want to buy a machine with a lot of cores, then you can get this
https://www.newegg.com/asrock-rack-altrad8ud-1l2t-q64-22-ampere-altra-max-ampere-altra-processors/p/N82E16813140134
here's geekbench 6 and geekbench 5 results for the q64-22 vs a 5950x. Geekbench 5 seems to scale better in their multicore tests vs geekbench 6, so keep that in mind. Obviously not 100% relevant to minecraft, but the best I could find
Shit I didn't even consider Xeon Phi for MC, this could be awesome.
Imagine using them for extremely high density minigame servers.
That’s what I’m thinking but the performance is so trash
imo, with how far consumer CPUs have gone, I don't see any way for any decommissioned server hardware to come close to the performance/value of a modern gaming processor. If you need a machine with more than 192GB per node, maybe decomissioned hardware would make sense, but otherwise, a 5950x/7950x/9950x will win in every category
maybe if epyc rome or milan were on the 2nd hand market, those would have better performance, but from what I've seen, the value in the 2nd hand market still isn't there yet
I will also just point out that you rent a ryzen 9 7900 with ddos protection with 192gb of memory with 2x2TB drives for the price you'd pay just for colocation of a 2u machine. Obviously this host is only UK for their dedicated servers, but this is just an example
