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WIP: Stokhos: add an optimized GEMV for the ensemble GMRES without ensemble reduction #7128
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Status Flag 'Pre-Test Inspection' - Auto Inspected - Inspection Is Not Necessary for this Pull Request. |
Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
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Status Flag 'Pull Request AutoTester' - Failure: Timed out waiting for job Trilinos_pullrequest_cuda_9.2 to start: Total Wait = 603
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Status Flag 'Pull Request AutoTester' - Failure: Timed out waiting for job Trilinos_pullrequest_cuda_9.2 to start: Total Wait = 603
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Status Flag 'Pull Request AutoTester' - Failure: Timed out waiting for job Trilinos_pullrequest_cuda_9.2 to start: Total Wait = 603
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Status Flag 'Pull Request AutoTester' - Failure: Timed out waiting for job Trilinos_pullrequest_cuda_9.2 to start: Total Wait = 603
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FYI, the autotester is down, and there is not ETA on when it will come back. Otherwise this looks good. I'll approve it when the autotester comes back up and the code compiles clean. |
Thanks @etphipp for your comment! |
Status Flag 'Pre-Test Inspection' - Auto Inspected - Inspection Is Not Necessary for this Pull Request. |
Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
Status Flag 'Pull Request AutoTester' - Jenkins Testing: 1 or more Jobs FAILED Note: Testing will normally be attempted again in approx. 2 Hrs 30 Mins. If a change to the PR source branch occurs, the testing will be attempted again on next available autotester run. Pull Request Auto Testing has FAILED (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Console Output (last 100 lines) : Trilinos_pullrequest_gcc_4.8.4 # 6224 (click to expand)
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Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
Status Flag 'Pull Request AutoTester' - Jenkins Testing: 1 or more Jobs FAILED Note: Testing will normally be attempted again in approx. 2 Hrs 30 Mins. If a change to the PR source branch occurs, the testing will be attempted again on next available autotester run. Pull Request Auto Testing has FAILED (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Console Output (last 100 lines) : Trilinos_pullrequest_gcc_4.8.4 # 6231 (click to expand)
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Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
Status Flag 'Pull Request AutoTester' - Jenkins Testing: 1 or more Jobs FAILED Note: Testing will normally be attempted again in approx. 2 Hrs 30 Mins. If a change to the PR source branch occurs, the testing will be attempted again on next available autotester run. Pull Request Auto Testing has FAILED (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Console Output (last 100 lines) : Trilinos_pullrequest_gcc_4.8.4 # 6284 (click to expand)
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@etphipp one test fails and one file does not compile. |
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Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
Status Flag 'Pull Request AutoTester' - Jenkins Testing: 1 or more Jobs FAILED Note: Testing will normally be attempted again in approx. 2 Hrs 30 Mins. If a change to the PR source branch occurs, the testing will be attempted again on next available autotester run. Pull Request Auto Testing has FAILED (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Console Output (last 100 lines) : Trilinos_pullrequest_gcc_4.8.4 # 6290 (click to expand)
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Status Flag 'Pre-Test Inspection' - Auto Inspected - Inspection Is Not Necessary for this Pull Request. |
Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Pull Request Author: kliegeois |
Status Flag 'Pull Request AutoTester' - Jenkins Testing: 1 or more Jobs FAILED Note: Testing will normally be attempted again in approx. 2 Hrs 30 Mins. If a change to the PR source branch occurs, the testing will be attempted again on next available autotester run. Pull Request Auto Testing has FAILED (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Console Output (last 100 lines) : Trilinos_pullrequest_gcc_4.8.4 # 6291 (click to expand)
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OK this is very strange. What is very strange is that I am unable to reproduce the issue on Blake or any other system right now. On Blake the tests are passing. I will continue to try to reproduce this issue to debug the problem. In the meantime, this PR can be labeled as WIP. |
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Status Flag 'Pull Request AutoTester' - Testing Jenkins Projects: Pull Request Auto Testing STARTING (click to expand)Build InformationTest Name: Trilinos_pullrequest_gcc_4.8.4
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Status Flag 'Pre-Merge Inspection' - SUCCESS: The last commit to this Pull Request has been INSPECTED AND APPROVED by [ etphipp ]! |
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Merge on Pull Request# 7128: IS A SUCCESS - Pull Request successfully merged |
@trilinos/stokhos
Motivation
This PR adds a GEMV for the ensemble types in Stokhos.
This implementation has been optimized with the aim of reaching maximal memory bandwidth on CPU during the Arnoldi process occurring in the ensemble GMRES without the ensemble reduction.
The implementation relies on a tiling strategy to reuse data from cache and assume that the matrix is stored with a left layout (the implementation works with a right layout but is suboptimal in that case).
Stakeholder Feedback
Testing
This PR branch has been tested on the Blake system without the ensemble reduction.