Floating Point + Threads?

[dsimcha]

On 4/15/2011 11:40 PM, Andrei Alexandrescu wrote:
> On 4/15/11 10:22 PM, dsimcha wrote:
>> I'm trying to debug an extremely strange bug whose symptoms appear in a
>> std.parallelism example, though I'm not at all sure the root cause is in
>> std.parallelism. The bug report is at
>> https://github.com/dsimcha/std.parallelism/issues/1#issuecomment-1011717
>> .
>
> Does the scheduling affect the summation order?
>
> Andrei

No.  I realize floating point addition isn't associative, but unless 
there's some detail I'm forgetting about, the ordering is deterministic 
within each work unit and the ordering of the final summation is 
deterministic.