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@@ -623,7 +623,7 @@ int _starpu_mpi_task_postbuild_v(MPI_Comm comm, int xrank, int do_execute, struc
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if (me == starpu_mpi_data_get_rank(descrs[i].handle))
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{
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if (mpi_data->redux_map == NULL)
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- _STARPU_CALLOC(mpi_data->redux_map, 0, STARPU_MAXNODES * sizeof(mpi_data->redux_map[0]));
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+ _STARPU_CALLOC(mpi_data->redux_map, STARPU_MAXNODES, sizeof(mpi_data->redux_map[0]));
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mpi_data->redux_map [xrank] = 1;
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}
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else if (me == xrank)
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