Update build tools version and use netcoreapp3.0 on ubuntu CI (#2687)

* temp

* running ubuntu leg on netcoreapp3.0

* correcting names in build definations

* intrinsics environment variables name corrected

Author: Anipik

.vsts-dotnet-ci.yml

@@ -31,6 +31,15 @@ phases:
   parameters:
     name: Centos
     buildScript: ./build.sh
+    customMatrixes:
+      Build_Debug_Intrinsics:
+        _configuration: Debug-Intrinsics
+        _config_short: DI
+        _includeBenchmarkData: false
+      Build_Release:
+        _configuration: Release
+        _config_short: R
+        _includeBenchmarkData: true
     queue:
       name: Hosted Ubuntu 1604
       container: CentosContainer
@@ -39,6 +48,15 @@ phases:
   parameters:
     name: Ubuntu
     buildScript: ./build.sh
+    customMatrixes:
+      Build_Debug:
+        _configuration: Debug
+        _config_short: D
+        _includeBenchmarkData: false
+      Build_Release_Intrinsics:
+        _configuration: Release-Intrinsics
+        _config_short: RI
+        _includeBenchmarkData: true
     queue:
       name: Hosted Ubuntu 1604
       container: UbuntuContainer

BuildToolsVersion.txt

@@ -1 +1 @@
-3.0.0-preview1-03129-01
+3.0.0-preview1-03721-01

test/Microsoft.ML.CpuMath.UnitTests.netcoreapp/UnitTests.cs

@@ -25,8 +25,8 @@ public class CpuMathUtilsUnitTests
 #if NETCOREAPP3_0
         private static Dictionary<string, string> DisableAvxEnvironmentVariables;
         private static Dictionary<string, string> DisableAvxAndSseEnvironmentVariables;
-        private static readonly string disableAvx = "COMPlus_EnableAvx";
-        private static readonly string disableSse = "COMPlus_EnableSse";
+        private static readonly string disableAvx = "COMPlus_EnableAVX";
+        private static readonly string disableSse = "COMPlus_EnableSSE";
         private static readonly string disableAvxAndSse = "COMPlus_EnableHWIntrinsic";
 #endif