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Ifpack2: Add Schur complements to the BlockTriDiag solver. #12344
Ifpack2: Add Schur complements to the BlockTriDiag solver. #12344
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All Jobs Finished; status = PASSED, However Inspection must be performed before merge can occur... |
All Jobs Finished; status = PASSED, However Inspection must be performed before merge can occur... |
All Jobs Finished; status = PASSED, However Inspection must be performed before merge can occur... |
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All Jobs Finished; status = PASSED, However PR is now STALE, and must be retested. Set the AT: RETEST Label to force retest.... |
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All Jobs Finished; status = PASSED, However PR is now STALE, and must be retested. Set the AT: RETEST Label to force retest.... |
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Overall looks good but need to address some points
KB::Side::Left,KB::Uplo::Lower,KB::Trans::NoTranspose,KB::Diag::Unit, | ||
default_mode_type,default_algo_type> | ||
::invoke(member, one, A, X2); | ||
X1.assign_data( X2.data() ); |
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Do we need to wait for Trsm to finish before updating values from X2 to X1?
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I do not see a performance regression associated to this PR on V100 (actually I saw a small performance improvement even without using sub lines). Therefore, I am merging this PR. |
Thanks, this is good news! |
@trilinos/ifpack2
This PR adds a Schur complement approach to the BlockTriDiag solver to increase the amount of work that can be done in parallel.
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