Celeron J3160 with enabled Turbo mode stays at 480MHz(lowestsetting) forever and can not lower frequency without Tuebo mode

[Lev Serebryakov]

Hello Benjamin,

Thursday, September 6, 2018, 1:32:46 AM, you wrote:

>> > I don't think you need something accurate.
>>  Ok, here is results. I'm working in single-user mode.
>> 
>>  TL;DR "Turbo" mode make "openssl" much slower (x3.5)!
>> 
>>  I can not properly interpret this result.

> You need to say more about what openssl is doing (i.e., how it was
> configured, what architecture it's on, etc.).  In particular, there
> was for a time an AVX2 implementation for some primitives, that ended up
> being a net loss, since heavy use of those instructions would cause
> overheating and throttling.  OpenSSL has a lot of custom assembly for these
> common primitves, with some logic to select among them both at
> configuration time and at runtime, so results such as this may or may not
> be widely transferrable.

 It is system (very fresh ALPHA4) openssl, built with default settings.
 Simple single run with one thread, without AES-NI:

 openssl speed aes-256-cbc

 It is as simple as that.

-- 
Best regards,
 Lev                            mailto:lev at FreeBSD.org