Re: Parallel copy

On Wed, Oct 21, 2020 at 3:19 PM Bharath Rupireddy
<bharath.rupireddyforpostgres@gmail.com> wrote:
>
>
> 9. Instead of calling CopyStringToSharedMemory() for each string
> variable, can't we just create a linked list of all the strings that
> need to be copied into shm and call CopyStringToSharedMemory() only
> once? We could avoid 5 function calls?
>

If we want to avoid different function calls then can't we just store
all these strings in a local structure and use it? That might improve
the other parts of code as well where we are using these as individual
parameters.

> 10. Similar to above comment: can we fill all the required
> cstate->variables inside the function CopyNodeFromSharedMemory() and
> call it only once? In each worker we could save overhead of 5 function
> calls.
>

Yeah, that makes sense.

-- 
With Regards,
Amit Kapila.