From ecbbcc1f72ccd2e24124af369c5702bb75ffe86f Mon Sep 17 00:00:00 2001
From: ketrptr <ketrptr@cocaine.ninja>
Date: Thu, 5 Dec 2024 13:16:27 +0100
Subject: [PATCH] 	modified:   primes/Makefile 	modified:  
 primes/src/sive.c

 Changes not staged for commit:
	deleted:    gitignore
	deleted:    primes/Makefile
deleted:    primes/src/sive.c
---
 primes/Makefile   |  2 +-
 primes/src/sive.c | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/primes/Makefile b/primes/Makefile
index d8e1eb9..9abeeff 100644
--- a/primes/Makefile
+++ b/primes/Makefile
@@ -1,5 +1,5 @@
 CFALGSD=-Wall -Wextra -g -ggdb 
-CFALGSF=-Wall -Wextra -Ofast -march=native -mtune=native -funroll-all-loops
+CFALGSF=-Wall -Wextra -O3 -march=native -mtune=native -funroll-all-loops
 CC = gcc  
 
 fast: src/sive.c 
diff --git a/primes/src/sive.c b/primes/src/sive.c
index 9278af3..33b65c1 100644
--- a/primes/src/sive.c
+++ b/primes/src/sive.c
@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 #include <unistd.h>
 
 typedef uint64_t WORD;
@@ -11,14 +12,16 @@ const BOOL true = ~false;
 
 // const WORD limit = 542;
 // const WORD limit = 1e2;
-const WORD limit = 1e9;
+const WORD limit = 1e8;
 const WORD nr = 78498;
 
 // Sive o Atkins hit wheel
 const WORD s[] = {1, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59};
 const WORD wheelLen = 16;
 
-int main() {
+int sieve() {
+
+  clock_t t0 = clock();
   BOOL *isPrime = calloc(limit, sizeof(WORD));
   assert(isPrime != NULL);
 
@@ -184,6 +187,10 @@ for n² ≤ limit, n ← 60 × w + x where w ∈ {0,1,...}, x ∈ s, n ≥ 7:
   }
   printf("\n");
   printf("%lu\n", sum);
+  clock_t t1 = clock();
+  clock_t delta = t1 - t0;
+  printf("clocks: %ld,  clocks per sec: %ld, s: %ld ", delta, CLOCKS_PER_SEC,
+         delta / CLOCKS_PER_SEC);
 
   return 0;
 }