c-programming

commit d98a156332d4986e49d4e49fcc9de831bb497091
Author: Andrew Laack <andrew@laack.co>
Date:   Thu,  9 Oct 2025 00:05:17 -0500

Fib in c and in python

Diffstat:
A
.gitignore
 | 
1
+
A
comparisons/fib-in-py.py
 | 
16
++++++++++++++++
A
fib-in-c.c
 | 
25
+++++++++++++++++++++++++

3 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+*.out
diff --git a/comparisons/fib-in-py.py b/comparisons/fib-in-py.py
@@ -0,0 +1,16 @@
+def calculate(p1, p2):
+    return p1 + p2
+
+
+for i in range(0,10000):
+    prior = 0
+    current = 1
+    for x in range(0,90):
+        print(current)
+        nc = calculate(prior, current)
+        prior = current
+        current = nc
+
+# real    0m2.992s
+# user    0m1.763s
+# sys     0m1.222s
diff --git a/fib-in-c.c b/fib-in-c.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdint.h>
+
+unsigned long long calculate(unsigned long long p2, unsigned long long p1){
+    return p2 + p1;
+}
+
+int main(){
+
+    for(int i = 0; i < 10000; ++i){
+        unsigned long long prior = 0;
+        unsigned long long current = 1;
+        for (int i = 0; i <= 90; ++i) {
+            printf("%llu\n", current);
+            unsigned long long int nc = calculate(prior, current);
+            prior = current;
+            current = nc;
+        }
+    }
+
+}
+
+// real    0m1.299s
+// user    0m0.280s
+// sys     0m1.017s