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ZeroSum

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About ZeroSum

  • Birthday 11/19/1978

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  1. Greetings! First, let me thank you Tech Inferno Fan for all of your tireless work answering people's questions regarding e-GPU setups for what has apparently been years! I've gone through your many posts and found that a lot of my questions have been answered about my own setup. Hardware: Laptop: Lenovo x220t (4294-CTO) tablet GPU: PNY GTX 650Ti (part: VCGGTX650T1XPB) Adapter: PE4L-EC060A v2.1b Software: OS: Windows 8 Pro 64-bit Driver: NVIDIA stock driver ( 327.23 ) This is connected to a desktop LCD monitor (I don't really care about the performance of the internal LCD, though it works). The CUDA-Z link performance section looks comparable to what others have posted: Memory Copy Host Pinned to Device: 366.71 MiB/s Host Pageable to Device: 358.249 MiB/s Device to Host Pinned: 400.084 MiB/s Device to Host Pageable: 385.617 MiB/s Device to Device: 32.1836 GiB/s GPU Core Performance Single-precision Float: 824.256 Gflop/s Double-precision Float: 59.2589 Gflop/s 32-bit Integer: 236.031 Giop/s 24-bit Integer: 235.746 Giop/s GPU-Z indicates that I have a 1.2 setup functioning ( PCI-E 2.0 x 16 @ x1 2.0 ). My question is regarding a specific game (Eve Online). The game is running great on highest settings except for the occasional hitching / stutter / graphics lag spikes. Reducing the settings to bare minimum (which runs well on the integrated video), the hitching doesn't go away during identical in-game activities. In your opinion, is this hitching related to bus throughput problems? It appears that I've got Optimus working just fine, but is there any way to determine if the link compression aspect of the technology is working? I've tried using the 16-bit color trick, which affected nothing (I'm not actually sure that the game accepted it). I also tried forcing frame rates using MSI afterburner, which also had no effect on the hitching. Is there a problem with my setup or any tricks I can employ to reduce hitching that I haven't seen here? Also, I built my own enclosure for this and can provide people with some basic knowledge on how to make their own if anyone is handy with basic tools they're likely to already have in their household. It's my first case mod and some minor cosmetic mistakes were made but it came out quite nicely. If I can pull it off never having done it and with only an idea in my head of what I wanted, anyone handy with simple shop tools probably can too.
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