w4vz
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@goalque I think you might have found some gold here. I just tried the following and still don't really know what to make of it but I have the largest smile stuck on my face: -Begin to Mirror displays > set optimise for the external display -Launch the game (fullscreen mode) Turns out I have the External GPU piping back onto the internal screen !!! This is confirmed by three things: 970 recognised in the game (elite dangerous) Stats showing the 970 loaded; 650 is inactive Macbook is cold; absolutely no fan AT ALL, never seen that; better than regular gaming on external monitor. Only thing is the fps count is dramatically decreased (from 45 to 20) BUT IT DOES NOT FEEL LIKE IT. In fact there is no lag whatsoever and I would even say it feels better so I thing there is a bug in the FPS count.. Cannot triple check for now; I would have to play a lot more. Also some graphical bugs seem to have disappeared... If that method works with dummy plug then this is gaming EGPU perf on the go ! Better than optimus or me=disillusioned ?
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@MVC @Morv looks like 2014 macs run cooler than my 2012 macbook. Looks like Im running 10-15° hotter in general (turbo boost disabled). Booked an apple store appointment to check inside (and finally take care of my dead pixel)
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What RPM are your fans running at under full load?
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HAHA there is an APP for disabling turbo boost !!!!! SILENCE IS MINE Turbo Boost Switcher for OS X | rugarciap.com Enjoy ! Testing now Edit: It improved greatly: 1000rpm less (around 3500rpm now) so fan noise is bearable now. CPU 81º. Now I can also adjust the fan speed manually with Istats so will continue to test this. Still 20% load on the cpu during gaming.
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Thanks a million for that ! I did not think of turbo boost After putting it in google it seems that this would solve my fan issues like they say here Disabling turbo boost tutorial HERE (Im on it )
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Im afraid Im useless at windows. My setup is in mac OS X. Pleach check those threads instead: If you have a macbook If you have a PC For EGPU Setup software
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US$189 AKiTiO Thunder2 PCIe Box (16Gbps-TB2)
w4vz replied to Tech Inferno Fan's topic in Enclosures and Adapters
Just Ebay. Look for Original thunderbolt cable. Bought mine for £20 here -
I would agree on that I see on your graph that you lost about 20% performance on your windows EGPU comparatively to your desktop build. I would estimate my loss between 30% and 40% but I would need to put my card back into the desktop to benchmark first. OS X is definitely less optimised. Would be useful to get many heaven benchmarks from different OS X configs to get a base for comparing. Comparing in one game is not very accurate too. My biggest question right now is why I don't get a 100% load on the eGPU Setting the Fans 100% ON is counter productive for me as I am trying to get less noise. Yes I wish I could down clock too, I7 is actually way too much for gaming lol. Istats show about 20% of use during gaming. That's also the reason why I don't get why it heats up so much with 20%.. Yes, internal 650 shows 43ºc, EGPU has fans off before I start the game so yes too. CPU idle is 48ºc
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Yes Im comparing to my desktop PC (that I want to sell so bad, Im itching every minutes). No hackintosh here.
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US$189 AKiTiO Thunder2 PCIe Box (16Gbps-TB2)
w4vz replied to Tech Inferno Fan's topic in Enclosures and Adapters
I'm quite sure that is fine but I thought I might ask anyway. Thinking of buying a 2m thunderbolt cable. The original ones (TB1) are much cheaper. Since I have 2012 TB1 macbook is it ok to buy the old TB1 cable version ? -
Im easy on that. I can see the benefits of both in the same thread too but feel free to add it to the title if you think thats better. On windows on my mac, sorry but that's not going to happen, I'm allergic to windows (even if I must admit win 10 is looking good) and will not install it on my macbook
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Im trying to start a thread where we can organise comments specifically about gaming performances with our EGPU rather than have all that scattered around the forum Comparing to to my desktop PC build (I5, 8go ram and gtx970) the EGPU system is definitely slower on Elite dangerous and also on other games that I can't include right now because I have not played them on this build so far. Two main comments: - FPS is around 30-45 FPS in Elite Dangerous (almost max settings) but many times dropping around 20 so It can be a drag sometime because I had full 60 FPS on the PC build; that is quite a loss but still playable. Curiously, lowering graphic settings do not give much gain (about 10FPS more) The MAC version of the game is still recent so I expect some software tweaks but still wondering where does the problem comes from. Maybe a TB1 bottle neck? Looking at ISTATS I can see that the GTX gets used at 70%max of its capacity; is this normal ? Could someone with OS X and GTX970 comment on that ? - Macbook FAN Behaviour: looking at Istats, my CPU appears o be used at about 10-20% so not much but still showing above 80 degrees so the fans are kicking quite a lot (5000RPM). Any comment on that would be much appreciated too. I have ordered a laptop cooler to see I that helps. - Another FAN issue while this one inaudible is the GTX 970 that appears to have one of its fan only running after gaming sessions. Reboot fixes the problem and the fans are off when not playing. Anyone having this issue? I Scored 1213 on Heaven Benchmark on extreme settings, is this a normal score ? My build is : Thunderbolt 1 Webdrivers: 346.01.02f03 EVGA GTX 970 4go Mid 2012 Macbook pro retina I7 2.6 Ghz Akitio + GTX 970 OSX 10.10.3
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Thanks for that but i forgot to mention im on OSX I have Istats but it does not have a sensor for thunderbolt as far as I can see
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I was looking for a way to monitor the bandwidth of my thunderbolt bus to find out if I get bottleneck effects in some games. Anyone aware of a program to do this ?
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@MVC Just wanted to say thanks for you hard work on this. Also crossing fingers for the next gen of MacBooks and particularly OS X 10.11
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@seefew That looks really neat ! can't wait to see the finished build
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Here goes my thinking lol. Good to know, if mine melts i let you know
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Looking good. I see you used one side of the split only to power the 970. I instead spread the load by using one split from each to be "safe". Nice work.
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Nice but exposed wires like this can be problematic. Put some electrical tape at least to be safe try also to cut the end bit of the wires to be able to insert them more ? Last resort you can cut a few filaments from each individual wires to thin the combined result.