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Move selection logic to chooseCalculationMethod

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This commit is contained in:
Sam Nolan 2022-04-20 16:47:07 -04:00
parent 65397b3fe0
commit 898750f8f9
1 changed files with 21 additions and 15 deletions
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36
packages/squiggle-lang/src/rescript/Distributions/GenericDist/GenericDist.res
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@ -191,10 +191,23 @@ module AlgebraicCombination = {
| _ => 1000
}
let chooseConvolutionOrMonteCarlo = (t2: t, t1: t) =>
expectedConvolutionCost(t1) * expectedConvolutionCost(t2) > 10000
? #CalculateWithMonteCarlo
: #CalculateWithConvolution
type calculationMethod = MonteCarlo | Convolution(Operation.convolutionOperation)
let chooseConvolutionOrMonteCarlo = (
op: Operation.algebraicOperation,
t2: t,
t1: t,
): calculationMethod =>
switch op {
| #Divide
| #Power
| #Logarithm =>
MonteCarlo
| (#Add | #Subtract | #Multiply) as convOp =>
expectedConvolutionCost(t1) * expectedConvolutionCost(t2) > 10000
? MonteCarlo
: Convolution(convOp)
}
let run = (
t1: t,
@ -207,17 +220,10 @@ module AlgebraicCombination = {
| Some(Ok(symbolicDist)) => Ok(Symbolic(symbolicDist))
| Some(Error(e)) => Error(Other(e))
| None =>
switch arithmeticOperation {
| #Divide
| #Power
| #Logarithm =>
runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| (#Add | #Subtract | #Multiply) as op =>
switch chooseConvolutionOrMonteCarlo(t1, t2) {
| #CalculateWithMonteCarlo => runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| #CalculateWithConvolution =>
runConvolution(toPointSetFn, op, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(r))
}
switch chooseConvolutionOrMonteCarlo(arithmeticOperation, t1, t2) {
| MonteCarlo => runMonteCarlo(toSampleSetFn, arithmeticOperation, t1, t2)
| Convolution(convOp) =>
runConvolution(toPointSetFn, convOp, t1, t2)->E.R2.fmap(r => DistributionTypes.PointSet(r))
}
}
}