Re: [petsc-dev] https://www.dursi.ca/post/hpc-is-dying-and-mpi-is-killing-it.html

[Smith, Barry F. via petsc-dev]

> On Mar 19, 2019, at 12:27 AM, Mills, Richard Tran via petsc-dev 
> <petsc-dev@mcs.anl.gov> wrote:
> 
> I've seen this quite some time ago. Others in this thread have already 
> articulated many of the same criticisms I have with the material in this blog 
> post, as well as some of the problems that I have with MPI, so I'll content 
> myself by asking the following: 
> 
> If HPC is as dying as this guy says it is, then
> 
> * Why did DOE just announce today that they are spending $500 million on the 
> first (there are *more* coming?) US-based exascale computing system?

   Why was the acronym AI used more often than HPC during the presentation?

> 
> * Why are companies like Intel, NVIDIA, Mellanox, etc., managing to sell so 
> much HPC hardware?

   Citation
> 
> and if it is all the fault of MPI, then
> 
> * Why have a bunch of the big machine-learning shops actually been moving 
> towards more use of MPI?

   Citation

> 
> Yeah, MPI has plenty of warts. So does Fortran -- yet that hasn't killed 
> scientific computing.
> 
> --Richard
> 
> On 3/17/19 1:12 PM, Smith, Barry F. via petsc-dev wrote:
>>   I stubbled on this today; I should have seen it years ago.
>> 
>>   Barry
>> 
>> 
>