diff --git a/Directory.Build.props b/Directory.Build.props
index a37097204f..73144201c7 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -14,6 +14,7 @@
   <PropertyGroup>
     <RestoreSources>
       https://api.nuget.org/v3/index.json;
+      https://dotnet.myget.org/F/dotnet-core/api/v3/index.json;
     </RestoreSources>
   </PropertyGroup>
 
@@ -21,6 +22,7 @@
   <PropertyGroup>
     <RepoRoot>$(MSBuildThisFileDirectory)</RepoRoot>
     <SourceDir>$(RepoRoot)src/</SourceDir>
+    <PkgDir>$(RepoRoot)pkg/</PkgDir>
 
     <!-- Output directories -->
     <BinDir Condition="'$(BinDir)'==''">$(RepoRoot)bin/</BinDir>
diff --git a/Microsoft.ML.sln b/Microsoft.ML.sln
index ab1f133fdb..6ad93c3886 100644
--- a/Microsoft.ML.sln
+++ b/Microsoft.ML.sln
@@ -82,116 +82,228 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.LightGBM", "sr
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.ML.Ensemble", "src\Microsoft.ML.Ensemble\Microsoft.ML.Ensemble.csproj", "{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Microsoft.ML.CpuMath", "Microsoft.ML.CpuMath", "{BF66A305-DF10-47E4-8D81-42049B149D2B}"
+	ProjectSection(SolutionItems) = preProject
+		pkg\Microsoft.ML.CpuMath\Microsoft.ML.CpuMath.nupkgproj = pkg\Microsoft.ML.CpuMath\Microsoft.ML.CpuMath.nupkgproj
+		pkg\Microsoft.ML.CpuMath\Microsoft.ML.CpuMath.symbols.nupkgproj = pkg\Microsoft.ML.CpuMath\Microsoft.ML.CpuMath.symbols.nupkgproj
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
+		Debug-Intrinsics|Any CPU = Debug-Intrinsics|Any CPU
 		Release|Any CPU = Release|Any CPU
+		Release-Intrinsics|Any CPU = Release-Intrinsics|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		{A6CA6CC6-5D7C-4D7F-A0F5-35E14B383B0A}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
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+		{46F2F967-C23F-4076-858D-33F7DA9BD2DA}.Release-Intrinsics|Any CPU.Build.0 = Release-Intrinsics|Any CPU
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+		{55C8122D-79EA-48AB-85D0-EB551FC1C427}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{7A9DB75F-2CA5-4184-9EF5-1F17EB39483F}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{64F40A0D-D4C2-4AA7-8470-E9CC437827E4}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release|Any CPU.Build.0 = Release|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{362A98CF-FBF7-4EBB-A11B-990BBF845B15}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{3DEB504D-7A07-48CE-91A2-8047461CB3D4}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release|Any CPU.Build.0 = Release|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug-Intrinsics|Any CPU.ActiveCfg = Debug|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Debug-Intrinsics|Any CPU.Build.0 = Debug|Any CPU
 		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release-Intrinsics|Any CPU.ActiveCfg = Release|Any CPU
+		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27}.Release-Intrinsics|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -227,6 +339,7 @@ Global
 		{3DEB504D-7A07-48CE-91A2-8047461CB3D4} = {AED9C836-31E3-4F3F-8ABC-929555D3F3C4}
 		{001F3B4E-FBE4-4001-AFD2-A6A989CD1C25} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
 		{DCF46B79-1FDB-4DBA-A263-D3D64E3AAA27} = {09EADF06-BE25-4228-AB53-95AE3E15B530}
+		{BF66A305-DF10-47E4-8D81-42049B149D2B} = {D3D38B03-B557-484D-8348-8BADEE4DF592}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {41165AF1-35BB-4832-A189-73060F82B01D}
diff --git a/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.nupkgproj b/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.nupkgproj
new file mode 100644
index 0000000000..918729d99d
--- /dev/null
+++ b/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.nupkgproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk" DefaultTargets="Pack">
+
+  <PropertyGroup>
+    <TargetFramework Condition="'$(UseIntrinsics)' != 'true'">netstandard2.0</TargetFramework>
+    <TargetFrameworks Condition="'$(UseIntrinsics)' == 'true'">netstandard2.0;netcoreapp3.0</TargetFrameworks>
+    <PackageDescription>Microsoft.ML.CpuMath contains optimized math routines for ML.NET.</PackageDescription>
+  </PropertyGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0'">
+    <!-- This is only needed until https://github.com/dotnet/corefx/issues/31064 is addressed. -->
+    <PackageReference Include="System.Runtime.Intrinsics.Experimental" Version="4.6.0-preview1-26708-04" />
+  </ItemGroup>
+
+</Project>
diff --git a/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.symbols.nupkgproj b/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.symbols.nupkgproj
new file mode 100644
index 0000000000..360980c2c3
--- /dev/null
+++ b/pkg/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.symbols.nupkgproj
@@ -0,0 +1,5 @@
+<Project DefaultTargets="Pack">
+
+  <Import Project="Microsoft.ML.CpuMath.nupkgproj" />
+
+</Project>
diff --git a/pkg/Microsoft.ML/Microsoft.ML.nupkgproj b/pkg/Microsoft.ML/Microsoft.ML.nupkgproj
index 2886b39ad3..fc409ae21f 100644
--- a/pkg/Microsoft.ML/Microsoft.ML.nupkgproj
+++ b/pkg/Microsoft.ML/Microsoft.ML.nupkgproj
@@ -6,6 +6,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="../Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.nupkgproj" />
+
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonPackageVersion)" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="$(SystemReflectionEmitLightweightPackageVersion)" />
     <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowPackageVersion)" />
diff --git a/pkg/_._ b/pkg/_._
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.csproj b/src/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.csproj
index 62ba4f3a6a..bde7ae89f5 100644
--- a/src/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.csproj
+++ b/src/Microsoft.ML.CpuMath/Microsoft.ML.CpuMath.csproj
@@ -1,14 +1,22 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <IncludeInPackage>Microsoft.ML</IncludeInPackage>
+    <Configurations>Debug;Release;Debug-Intrinsics;Release-Intrinsics</Configurations>
+    <UseIntrinsics Condition="'$(UseIntrinsics)' == ''">$(Configuration.EndsWith('-Intrinsics'))</UseIntrinsics>
+    
+    <TargetFramework Condition="'$(UseIntrinsics)' != 'true'">netstandard2.0</TargetFramework>
+    <TargetFrameworks Condition="'$(UseIntrinsics)' == 'true'">netstandard2.0;netcoreapp3.0</TargetFrameworks>
+    <IncludeInPackage>Microsoft.ML.CpuMath</IncludeInPackage>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <DefineConstants>CORECLR</DefineConstants>
+    <DefineConstants>$(DefineConstants);CORECLR;PRIVATE_CONTRACTS</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Microsoft.ML.Core\Microsoft.ML.Core.csproj" />
+    <Compile Include="..\Microsoft.ML.Core\Utilities\Contracts.cs" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0'">
+    <!-- This is only needed until https://github.com/dotnet/corefx/issues/31064 is addressed. -->
+    <PackageReference Include="System.Runtime.Intrinsics.Experimental" Version="4.6.0-preview1-26708-04" />
+  </ItemGroup>
 </Project>
diff --git a/src/Native/build.proj b/src/Native/build.proj
index c7f4f2386e..41611a24ff 100644
--- a/src/Native/build.proj
+++ b/src/Native/build.proj
@@ -10,8 +10,12 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.props))\Directory.Build.props" />
 
   <!-- Target that builds all the native binaries in the Native folder -->
-  <Target Name="Build" DependsOnTargets="BuildNativeUnix;BuildNativeWindows;PreparePackageAssets" /> 
+  <Target Name="Build" DependsOnTargets="BuildNativeUnix;BuildNativeWindows;PreparePackageAssets" />
 
+  <PropertyGroup>
+    <PlaceholderFile>$(PkgDir)_._</PlaceholderFile>
+  </PropertyGroup>
+  
   <PropertyGroup Condition="'$(OS)' != 'Windows_NT'">
     <GenerateVersionSourceFile>true</GenerateVersionSourceFile>
     <NativeVersionSourceFile>$(BaseIntermediateOutputPath)version.c</NativeVersionSourceFile>
@@ -68,19 +72,29 @@
       <PackageRid>$(PackageRid)-$(TargetArchitecture)</PackageRid>
     </PropertyGroup>
 
-    <ItemGroup>
+    <ItemGroup Condition="'$(UseIntrinsics)' != 'true'">
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)CpuMathNative$(NativeLibExtension)"
-                          RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
+                          RelativePath="Microsoft.ML.CpuMath\runtimes\$(PackageRid)\native" />
+    </ItemGroup>
+    <ItemGroup Condition="'$(UseIntrinsics)' == 'true'">
+      <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)CpuMathNative$(NativeLibExtension)"
+                          RelativePath="Microsoft.ML.CpuMath\runtimes\$(PackageRid)\nativeassets\netstandard2.0" />
+      <NativePackageAsset Include="$(PlaceholderFile)"
+                          RelativePath="Microsoft.ML.CpuMath\runtimes\$(PackageRid)\nativeassets\netcoreapp3.0" />
+    </ItemGroup>
+
+    <ItemGroup>
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)FastTreeNative$(NativeLibExtension)"
                           RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
-	  <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)LdaNative$(NativeLibExtension)"
+      <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)LdaNative$(NativeLibExtension)"
                           RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
       <NativePackageAsset Include="$(NativeAssetsBuiltPath)\$(NativeLibPrefix)FactorizationMachineNative$(NativeLibExtension)"
                           RelativePath="Microsoft.ML\runtimes\$(PackageRid)\native" />
     </ItemGroup>
 
     <ItemGroup>
-      <NativePackageAsset Condition="'$(OS)' == 'Windows_NT' OR '$(StripNativeSymbols)' == 'True'"
+      <NativePackageAsset Condition="('$(OS)' == 'Windows_NT' OR '$(StripNativeSymbols)' == 'True')
+                                     AND '%(NativePackageAsset.Identity)' != '$(PlaceholderFile)'"
                           Include="@(NativePackageAsset->'%(RootDir)%(Directory)%(Filename)$(NativeLibSymbolExtension)')" />
     </ItemGroup>