Print Vector width in summary on older runtimes (#2066)

MichalPetryka · web-flow · commit 7fb8723c6e96 · 2022-08-02T15:06:35.000+02:00
This might help with noticing that legacy Mono does only 128bit SIMD even on AVX2 hardware.
diff --git a/src/BenchmarkDotNet/Portability/Cpu/HardwareIntrinsics.cs b/src/BenchmarkDotNet/Portability/Cpu/HardwareIntrinsics.cs
@@ -39,7 +39,7 @@ internal static string GetShortInfo()
             else if (IsArmBaseSupported)
                 return "ArmBase";
             else
-                return string.Empty; // Runtimes prior to .NET Core 3.0 (APIs did not exist)
+                return GetVectorSize(); // Runtimes prior to .NET Core 3.0 (APIs did not exist so we print non-exact Vector info)
         }
 
         internal static string GetFullInfo(Platform platform)

Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ internal static string GetShortInfo()`
`39`	`39`	`else if (IsArmBaseSupported)`
`40`	`40`	`return "ArmBase";`
`41`	`41`	`else`
`42`		`- return string.Empty; // Runtimes prior to .NET Core 3.0 (APIs did not exist)`
	`42`	`+ return GetVectorSize(); // Runtimes prior to .NET Core 3.0 (APIs did not exist so we print non-exact Vector info)`
`43`	`43`	`}`
`44`	`44`
`45`	`45`	`internal static string GetFullInfo(Platform platform)`