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[ale] PCIe v2 vs v3
- Subject: [ale] PCIe v2 vs v3
- From: philip at turmel.org (Phil Turmel)
- Date: Thu, 17 Nov 2016 14:55:23 -0500
- In-reply-to: <CAEo=5PzqahjuPjN=4EN8P2CnLHOMk5jewMgPiUWU9763z=5vJg@mail.gmail.com>
- References: <CAEo=5Pwexvpj3b77uKBuaH0evHCVVFH7S2sZ8HyBO_JsJiGXZA@mail.gmail.com> <CAEo=5Py8NJgv82Z3mOxLbCVRm3MTTw2NL7LWphWBHaAx0o0BgQ@mail.gmail.com> <CAEo=5PzqahjuPjN=4EN8P2CnLHOMk5jewMgPiUWU9763z=5vJg@mail.gmail.com>
On 11/17/2016 08:56 AM, Jim Kinney wrote:
> If I use a v3 gpu in a v2 slot, all connections are backward compatible
> just 1/2 clock speed, will that do anything more than run the gpu at
> half speed and half memory bandwidth.
>
> It seems my older tesla cards can't run the required tensorflow code.
Hmmm. Are you sure the backward compatibility is in that direction? I
was under the impression one could put a v2 card on a v3 mobo, but not
necessarily the reverse.
Phil