ByteBuffer uses ArrayPool to prevent LOH allocations
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TIHan
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TIHan
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ByteBuffer uses ArrayPool to prevent LOH allocations
TIHan
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ByteBuffer uses ArrayPool to prevent LOH allocationsByteBuffer uses ArrayPool to prevent LOH allocations
eng/Versions.props
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| @@ -75,6 +75,7 @@ | |||
| https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-impl/nuget/v3/index.json; | |||
| </RestoreSources> | |||
| <!-- System.* packages --> | |||
| <SystemRuntimeCompilerServicesUnsafeVersion>4.7.1</SystemRuntimeCompilerServicesUnsafeVersion> | |||
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@KevinRansom you may not like this, but the changes I made with the ByteBuffer, is calling something from System.Runtime.CompilerServices.Unsafe, which has problems with binding redirects. Best way to resolve this is including the specific version.
src/fsharp/QuotationPickler.fs
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| let phase2data = (stringTab, phase1bytes) | ||
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| let st2 = | ||
| { os = ByteBuffer.Create(100000, useArrayPool = true) |
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possibly a constant for 100000, it's used several places in this code.
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I have no idea why these values were chosen. This was here before.
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Yeah, just give it a name. pickle_object_buffersize or somesuch.
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I added the literals.
src/fsharp/absil/ilwrite.fs
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| { emitTailcalls=emitTailcalls | ||
| deterministic = deterministic | ||
| showTimes=showTimes | ||
| ilg = ilg | ||
| desiredMetadataVersion=desiredMetadataVersion | ||
| requiredDataFixups= requiredDataFixups | ||
| requiredStringFixups = [] | ||
| codeChunks=ByteBuffer.Create 40000 | ||
| codeChunks=ByteBuffer.Create(40000, useArrayPool = true) |
src/fsharp/absil/ilwrite.fs
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| @@ -3230,7 +3241,7 @@ let writeILMetadataAndCode (generatePdb, desiredMetadataVersion, ilg, emitTailca | |||
| codedBigness 2 TableNames.AssemblyRef || | |||
| codedBigness 2 TableNames.TypeRef | |||
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| let tablesBuf = ByteBuffer.Create 20000 | |||
| use tablesBuf = ByteBuffer.Create(20000, useArrayPool = true) | |||
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perhaps a name and a constant for 20000
src/fsharp/absil/ilwrite.fs
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| @@ -3309,7 +3320,7 @@ let writeILMetadataAndCode (generatePdb, desiredMetadataVersion, ilg, emitTailca | |||
| reportTime showTimes "Layout Metadata" | |||
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| let metadata, guidStart = | |||
| let mdbuf = ByteBuffer.Create 500000 | |||
| use mdbuf = ByteBuffer.Create(500000, useArrayPool = true) | |||
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Perhaps a name and a constant for 50000?
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Addresses this issue: #7982 |
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note that azdo is down for us, so there's no point in trying to re-trigger CI |
We allocate a lot on the LOH when serializing FSharp metadata. This PR should help.