From a977a19d79c5e842c54ad274f8d75527e3f7dde0 Mon Sep 17 00:00:00 2001
From: rubenasplund <ruben.asplund@hotmail.com>
Date: Fri, 4 Dec 2020 11:36:39 +0100
Subject: [PATCH] Exercise B
---
examples/rtt_timing.rs | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/examples/rtt_timing.rs b/examples/rtt_timing.rs
index 1dc033c..b0af834 100644
--- a/examples/rtt_timing.rs
+++ b/examples/rtt_timing.rs
@@ -78,19 +78,19 @@ fn timed_loop() -> (u32, u32) {
// B.1) What is the cycle count for the loop?
// > cargo run --example rtt_timing --release
//
-// [Your answer here]
+// [903726927 - 903719926 = 7001]
//
// B.2) How many cycles per iteration?
//
-// [Your answer here]
+// [7001/1000 = 7]
//
// What is the speedup (A/B)?
//
-// [Your answer here]
+// [A/B = 4790/7 = 684 times]
//
// Why do you think it differs that much?
//
-// [Your answer here]
+// [It removes some unnessesary code in the for loop which is inside the timed_loop().]
//
// ------------------------------------------------------------------------
// In the loop there is just a single assembly instruction (nop).
--
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