Comments (4)
Yes, instance IsOption Mode
. This allows to specify mode as a command line argument, but more importantly supports also fine-grained tuning via setOption
: you likely want to measure wall time only for benchmarks of subprocesses, but not for anything else.
from tasty-bench.
I would be interested in adding a way to do this:
- At which level should the flag exist? Cabal flag or a new field in
Benchmarkable
or sth else? - How to measure (monotonic) time?
getMonotonicTimeNSec
(only available since GHC 8.4), a new external library likeclock
orcriterion-measurement
, or custom FFI?
from tasty-bench.
This should be customizable on per-benchmark level, something akin to
data Mode = CpuTime | WallTime
instance Options Mode where ...
For time measurement I'd use https://hackage.haskell.org/package/tasty-1.4.2.1/docs/Test-Tasty-Runners.html#v:getTime. Alternatively getMonotonicTimeNSec
is probably also fine.
What's your motivation to work on this? Do you have a use case, where measuring CPU time is not sufficient?
from tasty-bench.
So make Mode
a tasty option via IsOption
? And thanks for the pointer to getTime
in tasty, completely forgot that tasty also has to measure monotonic time.
Do you have a use case, where measuring CPU time is not sufficient?
Yes, I played around with sth where I have to call out to subprocesses (in my case, z3), and I want that to be part of the benchmarked time.
from tasty-bench.
Related Issues (20)
- Graceful degradation for Windows without chcp 65001
- Misleadling verbalization of speed up / slow down HOT 4
- Think about benchmarking of linear and unlifted data HOT 1
- Even less dependencies? HOT 8
- CSV reporter doesn't show baseline comparison HOT 5
- Benchmarking a memoized function HOT 2
- Estimate standard deviation for memory statistics HOT 2
- Output of the benchmark function is retained in memory HOT 11
- Custom, ad-hoc metrics? HOT 4
- Allow running benchmarks a given number of times. HOT 8
- Recommend mitigations for benchmark instability introduced by GHCs SpecConstr. HOT 5
- Benchmarks sometimes get stuck HOT 3
- Consider benchmarking until GCStats stabilise when given +RTS -T HOT 1
- Excessive inlining may optimize away the function to benchmark HOT 12
- How to remove "All" from every entry HOT 6
- Subtract benchmark baseline HOT 6
- Unhandled resource exception on pure IO action HOT 6
- Print more digits? HOT 6
- Some benchmarks written for `criterion` just complete immediately with `tasty-bench`. HOT 2
- Print nicer error message if baseline CSV file is not found
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from tasty-bench.