From 4156756a4f9f1dd160a6eca67dc8458562b450f2 Mon Sep 17 00:00:00 2001
From: Jonathan Flueren <jonathan.flueren@tu-dortmund.de>
Date: Sat, 4 Jun 2022 13:51:32 +0200
Subject: [PATCH] flamegraph analysis

---
 .gitignore  | 2 ++
 README.md   | 6 ++++++
 src/main.rs | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index a6ff48c..80942b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 /target
 *.ppm
+flamegraph.svg
+perf.data*
\ No newline at end of file
diff --git a/README.md b/README.md
index d90402a..2f4d805 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,7 @@
 # Renderer - Grafik-AG
+
+***
+### Performance analysis with Flamegraph
+https://github.com/flamegraph-rs/flamegraph
+
+If installed (`cargo install flamegraph`), run `cargo-flamegraph flamegraph` and `firefox flamegraph.svg` afterwards.
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 2fb40dc..54d96b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,7 +43,7 @@ fn main() {
     let aspect_ratio = 16.0 / 9.0;
     let image_width = 1000;
     let image_height = (image_width as f64 / aspect_ratio) as u32;
-    let samples_per_pixel = 50_u32;
+    let samples_per_pixel = 100_u32;
     let max_depth = 50;
 
     // World