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[CompilerPerf] Using reflection to enhance #5112 and #5278#5307

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manofstick wants to merge 46 commits intodotnet:masterdotnet/fsharp:masterfrom

manofstick:nobox_reflectionmanofstick/visualfsharp:nobox_reflectionCopy head branch name to clipboard

Conversation Commits46 (46)Checks Files changed

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[CompilerPerf] Using reflection to enhance #5112 and #5278#5307
manofstick wants to merge 46 commits intodotnet:masterfrom
manofstick:nobox_reflection

Commits

Commits on Aug 7, 2018

Helper function for FastGenericEqualityComparerTable
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Use the default equality comparer where applicable
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Avoid calls to GenericEqualityObj for known types
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Avoid boxing in the "standard" use of GenericEqualityWithComparerIntrinsic
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Added method to avoid tail calls
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Implemented hashing
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Additional use of EqualityComparer.Default
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Consistent naming
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Fixed up by mix up my ERs with my PERs!
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Apply De Morgan's law to make it a bit cleaner
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Argh, got the PER and ER mixed up even when I tried to fix. Now good (hopefully!)
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Removed custom delegates by using System.Func
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Disallow optimization on Nullable types
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More inclusive check for canUseDefaultEqualityComparer
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Updated il output files
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Removed IERorPER by splitting calling class into 2, and added helper functions
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Changed it all to used EqualityComparer derived classes and restored tail calls
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Removed comparers that matched EqualityComparer<>.Default and code review changes
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Added additional types where EqualityComparer.Default can be used
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Save unnecessary type checks when more information is known
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Removed now unused objects, and other minor cleanup
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Modified Optimizer to manually inline GenericEqualityIntrinsic and friends (as they have special handling)
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Fixed SurfaceArea
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Ensure FSharp.Core has the optimization functions (and added comments)
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Remove IL bloat from this PR as per https://github.com/Microsoft/visualfsharp/issues/5212
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Remove null checks for IStructuralEquality Value Types
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Consolidated Type Specific Array Equality functions
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Fix compiler call via FSharpFunc.Invoke rather than direct
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Replaced duplicated GetHashCode code with inline function
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Common array EqualityComparers (for types that previously had specialized GetHashCode)
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Fix regression in regards to hash code on fast-path covariant arrays (+ comments)
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Similar treatment within prim-types for Comparer as #5112 was for EqualityComparer
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Moved throwing exceptions closer
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Added comparison usage, so could remove exception catching logic when unnecessary
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Consolidated functions
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Consolidated ArrayComparisons and addressed issue #5263
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Fixed bug introduced in #5278 where an unstable sort could be used where a stable one was required
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Removed now unnecessary optimization from stableSortWithKeysAndComparer
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Moved isRecordType down to prim-types.fs (internal only)
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Moved enough of reflect.fs to get Record fields
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Moved reflection functions for Union types into prim-types.fs
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Removed methods from prim-types.fsi that are now just used internally
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Used the reflection functions to handle records and unions
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Added check for fsharp value types
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Fixed struct check where a [<DefaultValue>] field is used.
manofstick
committed
Minor shift in logic order for less comparisons
manofstick
committed

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