Fixed the docs. Thanks for pointing out the lack of clarity


> On Sep 18, 2019, at 11:25 PM, Zhang, Junchao via petsc-dev 
> <petsc-dev@mcs.anl.gov> wrote:
> 
> Barry,
> 
> I saw you added these in init.c
> 
> 
> +  -cuda_initialize - do the initialization in PetscInitialize()
> 
> 
> 
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> 
> 
> Notes:
> 
>    Initializing cuBLAS takes about 1/2 second there it is done by default in 
> PetscInitialize() before logging begins
> 
> 
> 
> But I did not get otherwise with -cuda_initialize 0, when will cuda be 
> initialized?
> --Junchao Zhang

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