v0.24.0 preview

benchmarks/C++ Comparison/hashtable/hashmap.c

@@ -0,0 +1,46 @@
+#ifndef COUNT
+#error "Please define COUNT"
+#endif
+
+#include "cmc/hashmap.h"
+
+CMC_CMC_HASHMAP_CORE(PUBLIC, HEADER, (hmi32, hashmapi32, , int32_t, int32_t))
+CMC_CMC_HASHMAP_CORE(PUBLIC, SOURCE, (hmi32, hashmapi32, , int32_t, int32_t))
+
+int cmp(int32_t a, int32_t b)
+{
+    return (a > b) - (a < b);
+}
+
+size_t hash(int32_t a)
+{
+    size_t x = (size_t)a;
+    x = ((x >> 16) ^ x) * 0x45d9f3b;
+    x = ((x >> 16) ^ x) * 0x45d9f3b;
+    x = (x >> 16) ^ x;
+    return x;
+}
+
+struct hashmapi32_fkey *fkey = &(struct hashmapi32_fkey) {
+    .cmp = cmp,
+    .hash = hash,
+    NULL
+};
+
+struct hashmapi32_fval *fval = &(struct hashmapi32_fval) {
+    .cmp = cmp,
+    .hash = hash,
+    NULL
+};
+
+int main(void)
+{
+    struct hashmapi32 *map = hmi32_new(COUNT, 0.6, fkey, fval);
+
+    for (int32_t i = 0; i < COUNT; i++)
+        hmi32_insert(map, i, i);
+
+    hmi32_free(map);
+
+    return 0;
+}

benchmarks/C++ Comparison/hashtable/script.py

@@ -0,0 +1,58 @@
+import sys
+import time
+import subprocess
+
+ITERATIONS = 10
+VERBOSE = False
+
+NL = '\n'
+
+INCLUDE = "../../../src"
+CC = 'gcc'
+CCPP = 'g++' # LoL
+OPT = '-O3'
+COUNT = 2000000
+
+# Common args
+args = ['-I', INCLUDE, OPT, f'-DCOUNT={COUNT}', '-DCMC_NO_CALLBACKS']
+
+c_args = [CC, 'hashmap.c', '-o', 'hashmap.exe']
+cpp_args = [CCPP, 'unorderedmap.cpp', '-I', INCLUDE, '-o', 'unorderedmap.exe', OPT, f'-DCOUNT={COUNT}']
+
+c_args.extend(args)
+cpp_args.extend(args)
+
+subprocess.check_output(c_args)
+subprocess.check_output(cpp_args)
+
+total = 0
+for i in range(ITERATIONS):
+    print(f'{i}...', end='')
+    sys.stdout.flush()
+    start_time = time.time()
+    subprocess.call(['./hashmap.exe'])
+
+    delta = time.time() - start_time
+    total += delta
+
+    if VERBOSE:
+        print(f'({delta})')
+
+avg = int(((total / ITERATIONS) * 1e9) / COUNT)
+print(f'{"" if VERBOSE else NL}{total / ITERATIONS} seconds for {COUNT} -> AVG[{avg} ns] [hashmap.exe]{NL if VERBOSE else ""}')
+
+total = 0
+for i in range(ITERATIONS):
+    print(f'{i}...', end='')
+    sys.stdout.flush()
+    start_time = time.time()
+    subprocess.call(['./unorderedmap.exe'])
+
+    delta = time.time() - start_time
+    total += delta
+
+    if VERBOSE:
+        print(f'({delta})')
+
+avg = int(((total / ITERATIONS) * 1e9) / COUNT)
+print(f'{"" if VERBOSE else NL}{total / ITERATIONS} seconds for {COUNT} -> AVG[{avg} ns] [unorderedmap.exe]{NL if VERBOSE else ""}')

benchmarks/C++ Comparison/hashtable/unorderedmap.cpp

@@ -0,0 +1,16 @@
+#ifndef COUNT
+#error "Please define COUNT"
+#endif
+
+#include <unordered_map>
+#include <cstdint>
+
+int main(void)
+{
+    std::unordered_map<int32_t, int32_t> map(COUNT);
+
+    for (int32_t i = 0; i < COUNT; i++)
+        map.insert({i, i});
+
+    return 0;
+}