On 16 July 2007 23:06, Zack Weinberg wrote:
> I'd like to write a program that, when invoked appropriately from
> inside a parallel make run, participates in the job server protocol.
> Specifically, I have three test suites that get run (using the same
> controller program) from "make check", and I'd like "make -jN check"
> to parallelize individual test cases. (One of the test suites is much
> larger than the other two.) The logical way to do this is to code the
> controller to talk to the job server.
> (I don't think it is practical to make the test controller *be* a
> recursive make invocation.)
My first thought would be "enumerate all the testcases, autogenerate and eval
a target for each of them and add a dependency on that target to check:".
Should I guess that you're worried about the overhead of invoking the test
controller individually for each testcase, and that normally a single
invocation of the controller runs an entire suite?
In which case wouldn't you gain 99% of that back by turning the controller
into a server daemon (perhaps with three instances?) that listens to a fifo or
something and let the command invoked in the per-test auto rules be a wrapper
script that sends arguments to the controller and waits for a result back from
it?
cheers,
DaveK
--
Can't think of a witty .sigline today....
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