add post on rust performance optimization

hds · hds · commit 040100d35ecc · 2024-05-01T16:10:18.000+02:00
Using the (cargo) flamegraph tool for profiling and Divan for
benchmarking.
diff --git a/draft/2024-05-01-this-week-in-rust.md b/draft/2024-05-01-this-week-in-rust.md
@@ -41,6 +41,8 @@ and just ask the editors to select the category.
 
 ### Rust Walkthroughs
 
+* [Performance optimization with flamegraph and Divan](https://hegdenu.net/posts/performance-optimization-flamegraph-divan/)
+
 ### Research
 
 ### Miscellaneous
