[dpdk-dev] [PATCH v2 13/41] eal: replace memseg with memseg lists

[santosh]

On Saturday 24 March 2018 04:38 PM, Burakov, Anatoly wrote:
> On 24-Mar-18 6:01 AM, santosh wrote:
>> Hi Anatoly,
>>
>> Thanks for good work!.
>> Few observations:
>> # Noticed performance regression for thunderx platform for l3fwd application,
>> drops by 3%. git bisect shows this changeset is offending commit.
>> I'm still investigating reason for perf-dip..
>> Would like to know - have you noticed any regression on x86 platform?
>
> I haven't noticed any regressions on x86. Would it by any chance be due to the fact that memory segments are now non-contiguous or are allocated from smaller page sizes first?
>
> I am in the process of preparing a v3, which moves some things around and is better at git bisect (and fixes all compile issues i am or was made aware of). Does performance regression also happen in legacy mode?
>
Test ran for legacy mode only and noticed performance regression.

Thanks.
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