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发表于 2018-9-22 22:21 · 重庆
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本帖最后由 we000 于 2018-9-22 22:23 编辑
Conclusion: Is NVLink or SLI Worth It in 2018?
It’s certainly gotten better since we last looked at multi-GPU game support. We have never once, in the 10-year history of the site, recommended multi-GPU for AMD or nVidia when given the stronger, more cost-effective single-card alternatives.
That trend continues, but it continues with more hesitance in the answer than ever before. Overall game support is improved, but it’s clear – if only because of SOTTR’s dismal BSOD issues at launch – that games still won’t be immediately supported. Marketshare of multi-GPU users is infinitesimal and off the radar of developers, at least without direct encouragement from the graphics vendors. You could be waiting weeks (or months – or ad infinitum) for multi-GPU support to get patched into games. Most of them won’t have it at launch. A stronger user community than previous years does mean more options if nVidia fails to officially provide SLI profiles, though. NVidia’s renewed focus on selling sets of cards to users, rather than one, may also benefit multi-GPU support. The rise of low-level, low-abstraction APIs has also aided in multi-GPU scalability. It is now more common to see 70% scaling and up.
But we still don’t wholly recommend multi-GPU configurations, particularly given our present stance on the RTX lineup. When it doesn’t work, it burns, and nVidia does not have a strong track record in recent years for supporting its own technologies. VXAO and Flow are rarely used, if ever. MFAA vanished. SLI was shunted with Pascal, forced down to two-way and then forgotten. NVidia hasn’t even updated its own list of supported SLI games – and NVLink is SLI, in this regard – to include the most recent, compatible titles. The company couldn’t give more signals that it won’t support this technology, despite scaling actually improving year-over-year. |
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