Generate data for bnenchmarks and tests. Also move to /data

ufovectors/data/gen.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+int main (int argc,char *argv[]) {
+    if (argc != 4) {
+        printf("usage: gen FILE N_ITEMS VALUE");
+        exit(1);
+    }
+
+    char *path = argv[1]; 
+    size_t n = atoi(argv[2]);
+    uint32_t v = atoi(argv[3]);
+
+    FILE *fp = fopen(path, "w");
+    for (size_t i = 0; i < n; i++) {
+        fwrite(&v, sizeof(uint32_t), 1, fp);
+    }    
+    fclose(fp);
+}

ufovectors/data/gen.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+[ ! -e "gen" ] && (gcc -o gen gen.c)
+
+if [ $# -ne 3 ]
+then
+    echo "usage: gen.sh FILE N_ITEMS VALUE"
+    exit 1
+fi
+
+case "$3" in
+    random) head -c $((4 * $2)) /dev/urandom > "$1";;
+    *)      ./gen "$1" "$2" "$3";;
+esac

ufovectors/data/generate_examples.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+function generate_both {
+    echo "generating ${1}_rand_int.bin" 
+    ./gen "${1}_rand_int.bin" $2 random
+
+    echo "generating ${1}_ones_int.bin" 
+    ./gen "${1}_ones_int.bin" $2 1
+}
+
+function generate_ones {
+    echo "generating ${1}_ones_int.bin" 
+    ./gen "${1}_ones_int.bin" $2 1
+}
+
+#                   T  G  M  K  1   
+generate_both 1K             1000    # 3.9 KB
+generate_both 100K         100000    # 392 KB 
+generate_both 1M          1000000    # 3.8 MB
+generate_both 10M        10000000    # 38  MB
+generate_both 100M      100000000    # 381 MB
+generate_ones 1G       1000000000    # 3.7 GB
+#                   T  G  M  K  1   
+
+