On Thu, Dec 18, 2014 at 11:44 PM, Jia-Shiun Li wrote:
> You really need your own evaluation methods for your own real world workload.
Of course. Yet many users here might like to compare common things:
o make buildworld times
o iozone if disks are not limiting factor
o openssl speed as below
o et
On Mon, Dec 15, 2014 at 1:40 PM, grarpamp wrote:
> Thus to see what people were seeing perf wise.
HTT good for *some* workload? Definitely yes.
HTT good for yours? It depends.
It is not a solution to boost everything.
You really need your own evaluation methods for your own real world workload.
On Wed, Dec 10, 2014 at 8:19 AM, Jia-Shiun Li wrote:
> Yes, Haswell has an additional store addr but still only one store data unit.
>
> http://www.tomshardware.com/reviews/core-i7-4770k-haswell-review,3521.html
>
> But I guess they'd argue that they meant to saturate memory
> channels with all av
On Tue, Dec 9, 2014 at 12:15 AM, Adrian Chadd wrote:
> I've found that a memcpy heavy load (read: normal, non-zero copy
> network traffic) brings SMT threads to their knees. A pair of threads
> gets as much work done in normal UDP transmit/receive as a single
> non-SMT thread. It looks like it's b
> Ohartmann:
> From my experience, mostly compiling FreeBSD sources from scratch
> ...
> a dual core, 4-thread CPU
> at 3.3 GHz takes ~ 60 minutes to build world, the same as a 4-core
> castrated i3 with disabled SMT. Switching off SMT on the dual core
> ...
> Using SMT in some FPU heavy caclulatio
ll only has one store data port per core. :(
-adrian
On 8 December 2014 at 06:39, O. Hartmann wrote:
> On Mon, 8 Dec 2014 04:43:05 -0500
> grarpamp wrote:
>
>> HyperThreading on Intel Xeon Haswell, a benefit?
>>
>> What bits of FreeBSD are aware and can take proper advantag
On Mon, 8 Dec 2014 04:43:05 -0500
grarpamp wrote:
> HyperThreading on Intel Xeon Haswell, a benefit?
>
> What bits of FreeBSD are aware and can take proper advantage of
> Intel HTT, such as its thread/process schedulers (sched-BSD/ULE/...),
> etc?
>
> What system/app
HyperThreading on Intel Xeon Haswell, a benefit?
What bits of FreeBSD are aware and can take proper advantage of
Intel HTT, such as its thread/process schedulers (sched-BSD/ULE/...),
etc?
What system/app loads are, or are not, likely to benefit with today's
HyperThreading CPU's? K
