[PATCH v3 0/6] Introduce x86 assembly accelerated implementation for SM3 algorithm

Tianjia Zhang tianjia.zhang at linux.alibaba.com
Fri Dec 24 02:01:44 PST 2021


Hi Borislav,

On 12/23/21 6:28 PM, Borislav Petkov wrote:
> On Thu, Dec 23, 2021 at 12:35:41PM +0800, Tianjia Zhang wrote:
>> This series of patches creates an stand-alone library for SM3 hash
>> algorithm in the lib/crypto directory, and makes the implementations
>> that originally depended on sm3-generic depend on the stand-alone SM3
>> library, which also includes sm3-generic itself.
>>
>> On this basis, the AVX assembly acceleration implementation of SM3
>> algorithm is introduced, the main algorithm implementation based on
>> SM3 AES/BMI2 accelerated work by libgcrypt at:
>> https://gnupg.org/software/libgcrypt/index.html
>>
>>  From the performance benchmark data, the performance improvement of
>> SM3 algorithm after AVX optimization can reach up to 38%.
>>
>> ---
>> v3 changes:
>>   - update git commit message for patch 01
>>
>> v2 changes:
>>   - x86/sm3: Change K macros to signed decimal and use LEA and 32-bit offset
> 
> So you sent v2 yesterday. One day later, you're spamming again.
> 
> So we have those process rules for a reason - use the time to read them
> before sending again a day later please.
> 
> Documentation/process/submitting-patches.rst:
> 
> "Don't get discouraged - or impatient
> ------------------------------------
> 
> After you have submitted your change, be patient and wait.  Reviewers are
> busy people and may not get to your patch right away.
> 
> Once upon a time, patches used to disappear into the void without comment,
> but the development process works more smoothly than that now.  You should
> receive comments within a week or so; if that does not happen, make sure
> that you have sent your patches to the right place.  Wait for a minimum of
> one week before resubmitting or pinging reviewers - possibly longer during
> busy times like merge windows."
> 

I'm sorry for the trouble to the community and reviews. Thanks for your 
reminder. I will control the time interval when sending patches in the 
future.

Merry Christmas Eve.

Tianjia



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