Hello,
I have a question about the data distribution in Chapel, for example we
have:
const D = {1..8} dmapped Block({1..8});
var B: [D] real;
forall d in D {
var A : 8*real;
foo(A, B[d]);
}
So in multilocale, even though the domain D is distributed, the variable A
declared in each iteration is still allocated on node0 right? which means
we can not add "local" clause around the loop body since foo needs to
access A from other nodes which requires communication, like:
local {
var A: 8*real;
foo(A, B[d]);
}
or
var A: 8*real;
local {
foo(A, B[d]);
}
Further, is it true that the only ways to put data on nodes other than 0
are:
1. use explict "on" clause, everything inside it will be allocated on the
specific locale
2. use distributed domain: piece of the data will be allocated on each
locale.
?
Thanks
--
Best regards
Hui Zhang
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