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> On Jul 25, 2024, at 12: 15 PM, Satish Balay <balay. anl@ fastmail. org> wrote: > > On Thu, 25 Jul 2024, Barry Smith wrote: > >>> Another question, do you know if PETSc can be configured with AMD AOCL https: //urldefense. us/v3/__https: //www. amd. com/en/developer/aocl. html__;!!G_uCfscf7eWS!fpZDfJNW8hTF-oegPfBQc6tJ9KB_EqE8Zy7cnZSJReTjCNvHRduS4G1yz6XRJYS5DN8jtS97BgXeBhy84u7Bo2s$
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<meta charset="utf-8"></head><body><pre style="font-family: sans-serif; font-size: 100%; white-space: pre-wrap; word-wrap: break-word">
> On Jul 25, 2024, at 12:15 PM, Satish Balay <balay.anl@fastmail.org> wrote:
>
> On Thu, 25 Jul 2024, Barry Smith wrote:
>
>>> Another question, do you know if PETSc can be configured with AMD AOCL <a href="https://urldefense.us/v3/__https://www.amd.com/en/developer/aocl.html__;!!G_uCfscf7eWS!fpZDfJNW8hTF-oegPfBQc6tJ9KB_EqE8Zy7cnZSJReTjCNvHRduS4G1yz6XRJYS5DN8jtS97BgXeBhy84u7Bo2s$">https://urldefense.us/v3/__https://www.amd.com/en/developer/aocl.html__;!!G_uCfscf7eWS!fpZDfJNW8hTF-oegPfBQc6tJ9KB_EqE8Zy7cnZSJReTjCNvHRduS4G1yz6XRJYS5DN8jtS97BgXeBhy84u7Bo2s$</a> <<a href="https://urldefense.us/v3/__https://www.amd.com/en/developer/aocl.html__;!!G_uCfscf7eWS!bLykqpElcA3Fh7lwJb3zD6mSMQ3zMUcI_ktTXnK41krRlRU6bWUv5h4HEDG8Pa7SjaqgjaAmNGStHpZVQhV6n9ZF5uclZA6v5gI$>">https://urldefense.us/v3/__https://www.amd.com/en/developer/aocl.html__;!!G_uCfscf7eWS!bLykqpElcA3Fh7lwJb3zD6mSMQ3zMUcI_ktTXnK41krRlRU6bWUv5h4HEDG8Pa7SjaqgjaAmNGStHpZVQhV6n9ZF5uclZA6v5gI$></a>as the BLAS and LAPACK.
>>
>> You should be able to use the configure option
>>
>> --with-blaslapack-dir=directory_of_aocl
>
> Here its good to verify if what configure found is what you expect.
What it finds is printed to the screen at the end of the successful configure run. Configure will error and tell you if it does not find acceptable BLAS/LAPACK at that location. It should not find and use some random other BLAS/LAPACK at another location.
>
> Or can generally use --with-blaslapack-lib option to specify the *exact* blas/lapack libraries (or variants) you would like PETSc to use.
>
> Satish
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