On Fri, Sep 25, 2020 at 07:37:07PM -0500, Merlin Moncure wrote:
On Fri, Sep 25, 2020 at 7:32 PM Li Japin wrote:
> On Sep 26, 2020, at 8:09 AM, Julien Rouhaud wrote:
>
> Hi,
>
> On Sat, Sep 26, 2020 at 12:14 AM Li Japin wrote:
>>
>> Hi, hackers!
>>
>> I find the palloc0() is similar to the
On Sep 29, 2020, at 9:30 PM, Alvaro Herrera
mailto:alvhe...@2ndquadrant.com>> wrote:
On 2020-Sep-26, Li Japin wrote:
Thanks! How big is this overhead? Is there any way I can test it？
You could also have a look at the assembly code that your compiler
generates -- particularly examine how it ch
On 2020-Sep-26, Li Japin wrote:
> Thanks! How big is this overhead? Is there any way I can test it？
You could also have a look at the assembly code that your compiler
generates -- particularly examine how it changes.
--
Álvaro Herrerahttps://www.2ndQuadrant.com/
PostgreSQL Devel
On Fri, Sep 25, 2020 at 7:32 PM Li Japin wrote:
>
>
>
> > On Sep 26, 2020, at 8:09 AM, Julien Rouhaud wrote:
> >
> > Hi,
> >
> > On Sat, Sep 26, 2020 at 12:14 AM Li Japin wrote:
> >>
> >> Hi, hackers!
> >>
> >> I find the palloc0() is similar to the palloc(), we can use palloc()
> >> inside pal
> On Sep 26, 2020, at 8:09 AM, Julien Rouhaud wrote:
>
> Hi,
>
> On Sat, Sep 26, 2020 at 12:14 AM Li Japin wrote:
>>
>> Hi, hackers!
>>
>> I find the palloc0() is similar to the palloc(), we can use palloc() inside
>> palloc0()
>> to allocate space, thereby I think we can reduce duplicati
Hi,
On Sat, Sep 26, 2020 at 12:14 AM Li Japin wrote:
>
> Hi, hackers!
>
> I find the palloc0() is similar to the palloc(), we can use palloc() inside
> palloc0()
> to allocate space, thereby I think we can reduce duplication of code.
The code is duplicated on purpose. There's a comment at the
Hi, hackers!
I find the palloc0() is similar to the palloc(), we can use palloc() inside
palloc0()
to allocate space, thereby I think we can reduce duplication of code.
Best regards!
--
Japin Li
0001-Optimize-memory-allocation-code.patch
Description: 0001-Optimize-memory-allocation-code.pat
