, 2024 4:43 PM
> To: Yesypenko, Anna mailto:a...@oden.utexas.edu>>
> Cc: petsc-users@mcs.anl.gov <mailto:petsc-users@mcs.anl.gov>
> mailto:petsc-users@mcs.anl.gov>>; Victor Eijkhout
> mailto:eijkh...@tacc.utexas.edu>>
> Subject: Re: [petsc-users] HashMap
Hi Barry,
I'm using version 3.20.3. The tacc system is lonestar6.
Best,
Anna
From: Barry Smith
Sent: Thursday, January 18, 2024 4:43 PM
To: Yesypenko, Anna
Cc: petsc-users@mcs.anl.gov ; Victor Eijkhout
Subject: Re: [petsc-users] HashMap Error when populating
-1, 2)
>>>
>>> for index in range(1, n - 1):
>>> A.setValue(index, index - 1, -1)
>>> A.setValue(index, index, 2)
>>> A.setValue(index, index + 1, -1)
>>> A.assemble()
>>> ```
>>> If it means anything to you,
From: Barry Smith
Sent: Thursday, January 18, 2024 3:38 PM
To: Yesypenko, Anna
Cc: petsc-users@mcs.anl.gov ; Victor Eijkhout
Subject: Re: [petsc-users] HashMap Error when populating AIJCUSPARSE matrix
It is using the hash map system for inserting values which only inserts on
the CPU
es.
>>
>> Thank you for your help and suggestions!
>> Anna
>>
>> From: Barry Smith mailto:bsm...@petsc.dev>>
>> Sent: Thursday, January 18, 2024 2:35 PM
>> To: Yesypenko, Anna mailto:a...@oden.utexas.edu>>
>> Cc: petsc-users@mcs.anl.gov <
Sent:* Thursday, January 18, 2024 2:35 PM
> *To:* Yesypenko, Anna
> *Cc:* petsc-users@mcs.anl.gov
> *Subject:* Re: [petsc-users] HashMap Error when populating AIJCUSPARSE
> matrix
>
>
>Do you ever get a problem with 'aij` ? Can you run in a loop with
> 'aij' to confirm it d
From: Barry Smith
Sent: Thursday, January 18, 2024 2:35 PM
To: Yesypenko, Anna
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] HashMap Error when populating AIJCUSPARSE matrix
Do you ever get a problem with 'aij` ? Can you run in a loop with 'aij
It appears to be crashing in kh_resize() in khash.h on a memory allocation
failure when it tries to get additional memory for storing the matrix.
This code seems to be only using the CPU memory so it should also fail in a
similar way with 'aij'.
But the matrix is not large and so I
Do you ever get a problem with 'aij` ? Can you run in a loop with 'aij' to
confirm it doesn't fail then?
Barry
> On Jan 17, 2024, at 4:51 PM, Yesypenko, Anna wrote:
>
> Dear Petsc users/developers,
>
> I'm experiencing a bug when using petsc4py with GPU support. It may be my
On Thu, Jan 18, 2024 at 9:04 AM Yesypenko, Anna
wrote:
> Dear Petsc users/developers,
>
> I'm experiencing a bug when using petsc4py with GPU support. It may be my
> mistake in how I set up a AIJCUSPARSE matrix.
> For larger matrices, I sometimes encounter a error in assigning matrix
> values;
Dear Petsc users/developers,
I'm experiencing a bug when using petsc4py with GPU support. It may be my
mistake in how I set up a AIJCUSPARSE matrix.
For larger matrices, I sometimes encounter a error in assigning matrix values;
the error is thrown in PetscHMapIJVQuerySet().
Here is a minimum
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