Re: OT: MBP Support for Core i5/i7 rdrand instruction?
Re: OT: MBP Support for Core i5/i7 rdrand instruction?
- Subject: Re: OT: MBP Support for Core i5/i7 rdrand instruction?
- From: Jeffrey Walton <email@hidden>
- Date: Tue, 05 Mar 2013 11:49:57 -0500
On Tue, Mar 5, 2013 at 11:27 AM, Dave Zarzycki <email@hidden> wrote:
> On Mar 4, 2013, at 10:04 PM, Jeffrey Walton <email@hidden> wrote:
>
>> How can I tell if my MacBook Pro supports the Intel's rdrand
>> instruction?
>
>
> Go to the command line and type:
>
> sysctl hw.optional.rdrand
Thanks. It appears that OpenSSL was functioning properly.
I can't tell you how disappointed I am to learn an i7 machine
purchased in June 2012 does not have an instruction introduced in 2011
(especially since I asked the kid at the Apple Store about the latest
instructions - AES-NI, rdrand, and quadword multiply).
Jeff
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