Tim Docker wrote:
I found it worthwhile to try and visualise what's going on here. Let's
say I have 4 calculations that I want to run in parallel. The first
doesn't need a request; the second needs to make a single request
(A1); the third needs to make two requests where the second (B2)
depends on the result of the first (B1), etc. The resulting parallel
operations will be done in 3 batches, looking like:
This sounds similar to "futures", where a request for a parallel
computation returns immediately, but the "value" returned is just a
placeholder for the result, which will be filled in when it becomes
available.
Paul.
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