bump version to 0.15.2

Author: PSeitz

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "binggan"
-version = "0.15.1"
+version = "0.15.2"
 authors = ["Pascal Seitz <pascal.seitz@gmail.com>"]
 edition = "2021"
 homepage = "https://github.com/pseitz/binggan"

src/bench.rs

@@ -9,6 +9,23 @@ use crate::{
 };
 use quanta::Clock;
 
+#[inline(always)]
+fn clock_raw_fenced(clock: &Clock) -> u64 {
+    atomic::compiler_fence(atomic::Ordering::SeqCst);
+    #[cfg(all(target_arch = "x86_64", target_feature = "sse2"))]
+    // `_rdtsc()` is not serializing; `lfence` provides the needed ordering on modern x86.
+    unsafe {
+        core::arch::x86_64::_mm_lfence();
+    }
+    let t = clock.raw();
+    #[cfg(all(target_arch = "x86_64", target_feature = "sse2"))]
+    unsafe {
+        core::arch::x86_64::_mm_lfence();
+    }
+    atomic::compiler_fence(atomic::Ordering::SeqCst);
+    t
+}
+
 /// The trait which typically wraps a InputWithBenchmark and allows to hide the generics.
 pub trait Bench<'a> {
     /// Returns the number of iterations the benchmark should do