Set underlying class for enum class exec_tag to uint16_t, rather than default uint32_t

oleksandr-pavlyk · oleksandr-pavlyk · commit a0b119b21e8c · 2025-06-13T09:48:00.000-05:00
This change reduces size of exec_tag instance from 4 bytes to 2 bytes, it also
makes it more explicit what underlying type exec_tag is using.
diff --git a/nvbench/exec_tag.cuh b/nvbench/exec_tag.cuh
@@ -18,6 +18,7 @@
 
 #pragma once
 
+#include <cuda/std/cstdint>
 #include <nvbench/flags.cuh>
 
 #include <type_traits>
@@ -26,7 +27,7 @@ namespace nvbench::detail
 {
 
 // See the similarly named tags in nvbench::exec_tag:: for documentation.
-enum class exec_flag
+enum class exec_flag : ::cuda::std::uint16_t
 {
   none = 0x0,
 

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,7 @@`
`18`	`18`
`19`	`19`	`#pragma once`
`20`	`20`
	`21`	`+#include <cuda/std/cstdint>`
`21`	`22`	`#include <nvbench/flags.cuh>`
`22`	`23`
`23`	`24`	`#include <type_traits>`
`@@ -26,7 +27,7 @@ namespace nvbench::detail`
`26`	`27`	`{`
`27`	`28`
`28`	`29`	`// See the similarly named tags in nvbench::exec_tag:: for documentation.`
`29`		`-enum class exec_flag`
	`30`	`+enum class exec_flag : ::cuda::std::uint16_t`
`30`	`31`	`{`
`31`	`32`	`none = 0x0,`
`32`	`33`