On 09/09/2020 20:30, Honnappa Nagarahalli wrote:
> <snip>
>
>>>
>> > diff --git a/lib/librte_eal/include/rte_eal.h
>> b/lib/librte_eal/include/rte_eal.h
>>>> index ddcf6a2e7a..8148f650f2 100644
>>>> --- a/lib/librte_eal/include/rte_eal.h
>>>> +++ b/lib/librte_eal/include/rte_eal.h
>>>> @@ -43,6 +43,13 @@ enum rte_proc_type_t {
>>>> RTE_PROC_INVALID
>>>> };
>>>>
>>>> +enum rte_max_simd_t {
>>> We could add a RTE_MAX_SIMD = 0. Arm platforms can use this to choose
>> SVE.
>>>
>>
>> Is zero the best value for this? Would setting it to MAX_INT or some other
>> big
>> number be better, in terms of comparisons operations, or does that just not
>> apply at all with SVE?
> I suggested zero as the bitwidth can be specified from the command line. It
> would be much easier to input zero vs other number.
Right, but it doesn't end up being that intuitive as interface
0 is enabled, 64 is not, 128 is enabled etc ....
Suggest we use a max 16bit integer as 0xFFFF?
>
>>
>>>> + RTE_NO_SIMD = 64,
>>>> + RTE_MAX_128_SIMD = 128,
>>>> + RTE_MAX_256_SIMD = 256,
>>>> + RTE_MAX_512_SIMD = 512
>>>> +};
>>>> +
>>
