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Disable StarPU/lapcy optimization for now and Fix a major issue with descriptor global allocation in distributed

Mathieu Faverge requested to merge faverge/chameleon:hotfix/lacpy into master
  • Distributed descriptor with global allocation where incorrectly initialized generating incorrect memory accesses. The issue was only possible for mtxfmt=0, not for the other cases.
  • StarPU/lacpy:
    • Fix a memory leak when switching to the StarPU cpy function
    • Disable the StarPU cpy optimization for now, as it currently generates incoherent numerical results.

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