summaryrefslogtreecommitdiffstats
path: root/tests/profile/benchmark-value-pairs.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tests/profile/benchmark-value-pairs.c623
1 files changed, 623 insertions, 0 deletions
diff --git a/tests/profile/benchmark-value-pairs.c b/tests/profile/benchmark-value-pairs.c
new file mode 100644
index 000000000..ae4f53c3a
--- /dev/null
+++ b/tests/profile/benchmark-value-pairs.c
@@ -0,0 +1,623 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+
+#include "config.h"
+#include "libnetdata/libnetdata.h"
+
+#ifdef simple_hash
+#undef simple_hash
+#endif
+
+void netdata_cleanup_and_exit(int ret) {
+ exit(ret);
+}
+
+#define simple_hash(name) ({ \
+ register unsigned char *__hash_source = (unsigned char *)(name); \
+ register uint32_t __hash_value = 0x811c9dc5; \
+ while (*__hash_source) { \
+ __hash_value *= 16777619; \
+ __hash_value ^= (uint32_t) *__hash_source++; \
+ } \
+ __hash_value; \
+})
+
+static inline uint32_t simple_hash2(const char *name) {
+ register unsigned char *s = (unsigned char *)name;
+ register uint32_t hval = 0x811c9dc5;
+ while (*s) {
+ hval *= 16777619;
+ hval ^= (uint32_t) *s++;
+ }
+ return hval;
+}
+
+static inline unsigned long long fast_strtoull(const char *s) {
+ register unsigned long long n = 0;
+ register char c;
+ for(c = *s; c >= '0' && c <= '9' ; c = *(++s)) {
+ n *= 10;
+ n += c - '0';
+ // n = (n << 1) + (n << 3) + (c - '0');
+ }
+ return n;
+}
+
+static uint32_t cache_hash = 0;
+static uint32_t rss_hash = 0;
+static uint32_t rss_huge_hash = 0;
+static uint32_t mapped_file_hash = 0;
+static uint32_t writeback_hash = 0;
+static uint32_t dirty_hash = 0;
+static uint32_t swap_hash = 0;
+static uint32_t pgpgin_hash = 0;
+static uint32_t pgpgout_hash = 0;
+static uint32_t pgfault_hash = 0;
+static uint32_t pgmajfault_hash = 0;
+static uint32_t inactive_anon_hash = 0;
+static uint32_t active_anon_hash = 0;
+static uint32_t inactive_file_hash = 0;
+static uint32_t active_file_hash = 0;
+static uint32_t unevictable_hash = 0;
+static uint32_t hierarchical_memory_limit_hash = 0;
+static uint32_t total_cache_hash = 0;
+static uint32_t total_rss_hash = 0;
+static uint32_t total_rss_huge_hash = 0;
+static uint32_t total_mapped_file_hash = 0;
+static uint32_t total_writeback_hash = 0;
+static uint32_t total_dirty_hash = 0;
+static uint32_t total_swap_hash = 0;
+static uint32_t total_pgpgin_hash = 0;
+static uint32_t total_pgpgout_hash = 0;
+static uint32_t total_pgfault_hash = 0;
+static uint32_t total_pgmajfault_hash = 0;
+static uint32_t total_inactive_anon_hash = 0;
+static uint32_t total_active_anon_hash = 0;
+static uint32_t total_inactive_file_hash = 0;
+static uint32_t total_active_file_hash = 0;
+static uint32_t total_unevictable_hash = 0;
+
+unsigned long long values1[50] = { 0 };
+unsigned long long values2[50] = { 0 };
+unsigned long long values3[50] = { 0 };
+unsigned long long values4[50] = { 0 };
+unsigned long long values5[50] = { 0 };
+unsigned long long values6[50] = { 0 };
+unsigned long long values7[50] = { 0 };
+unsigned long long values8[50] = { 0 };
+unsigned long long values9[50] = { 0 };
+
+struct pair {
+ const char *name;
+ const char *value;
+ uint32_t hash;
+ unsigned long long *collected8;
+ unsigned long long *collected9;
+} pairs[] = {
+ { "cache", "12345678901234", 0, &values8[0] ,&values9[0] },
+ { "rss", "23456789012345", 0, &values8[1] ,&values9[1] },
+ { "rss_huge", "34567890123456", 0, &values8[2] ,&values9[2] },
+ { "mapped_file", "45678901234567", 0, &values8[3] ,&values9[3] },
+ { "writeback", "56789012345678", 0, &values8[4] ,&values9[4] },
+ { "dirty", "67890123456789", 0, &values8[5] ,&values9[5] },
+ { "swap", "78901234567890", 0, &values8[6] ,&values9[6] },
+ { "pgpgin", "89012345678901", 0, &values8[7] ,&values9[7] },
+ { "pgpgout", "90123456789012", 0, &values8[8] ,&values9[8] },
+ { "pgfault", "10345678901234", 0, &values8[9] ,&values9[9] },
+ { "pgmajfault", "11456789012345", 0, &values8[10] ,&values9[10] },
+ { "inactive_anon", "12000000000000", 0, &values8[11] ,&values9[11] },
+ { "active_anon", "13345678901234", 0, &values8[12] ,&values9[12] },
+ { "inactive_file", "14345678901234", 0, &values8[13] ,&values9[13] },
+ { "active_file", "15345678901234", 0, &values8[14] ,&values9[14] },
+ { "unevictable", "16345678901234", 0, &values8[15] ,&values9[15] },
+ { "hierarchical_memory_limit", "17345678901234", 0, &values8[16] ,&values9[16] },
+ { "total_cache", "18345678901234", 0, &values8[17] ,&values9[17] },
+ { "total_rss", "19345678901234", 0, &values8[18] ,&values9[18] },
+ { "total_rss_huge", "20345678901234", 0, &values8[19] ,&values9[19] },
+ { "total_mapped_file", "21345678901234", 0, &values8[20] ,&values9[20] },
+ { "total_writeback", "22345678901234", 0, &values8[21] ,&values9[21] },
+ { "total_dirty", "23000000000000", 0, &values8[22] ,&values9[22] },
+ { "total_swap", "24345678901234", 0, &values8[23] ,&values9[23] },
+ { "total_pgpgin", "25345678901234", 0, &values8[24] ,&values9[24] },
+ { "total_pgpgout", "26345678901234", 0, &values8[25] ,&values9[25] },
+ { "total_pgfault", "27345678901234", 0, &values8[26] ,&values9[26] },
+ { "total_pgmajfault", "28345678901234", 0, &values8[27] ,&values9[27] },
+ { "total_inactive_anon", "29345678901234", 0, &values8[28] ,&values9[28] },
+ { "total_active_anon", "30345678901234", 0, &values8[29] ,&values9[29] },
+ { "total_inactive_file", "31345678901234", 0, &values8[30] ,&values9[30] },
+ { "total_active_file", "32345678901234", 0, &values8[31] ,&values9[31] },
+ { "total_unevictable", "33345678901234", 0, &values8[32] ,&values9[32] },
+ { NULL, NULL , 0, NULL ,NULL }
+};
+
+// simple system strcmp()
+void test1() {
+ int i;
+ for(i = 0; pairs[i].name ; i++) {
+ const char *s = pairs[i].name;
+ const char *v = pairs[i].value;
+
+ if(unlikely(!strcmp(s, "cache")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "rss")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "rss_huge")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "mapped_file")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "writeback")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "dirty")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "swap")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "pgpgin")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "pgpgout")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "pgfault")))
+ values1[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(!strcmp(s, "pgmajfault")))
+ values1[i] = strtoull(v, NULL, 10);
+ }
+}
+
+// inline simple_hash() with system strtoull()
+void test2() {
+ int i;
+ for(i = 0; pairs[i].name ; i++) {
+ const char *s = pairs[i].name;
+ const char *v = pairs[i].value;
+
+ uint32_t hash = simple_hash2(s);
+
+ if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
+ values2[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
+ values2[i] = strtoull(v, NULL, 10);
+ }
+}
+
+// statement expression simple_hash(), system strtoull()
+void test3() {
+ int i;
+ for(i = 0; pairs[i].name ; i++) {
+ const char *s = pairs[i].name;
+ const char *v = pairs[i].value;
+
+ uint32_t hash = simple_hash(s);
+
+ if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
+ values3[i] = strtoull(v, NULL, 10);
+
+ else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
+ values3[i] = strtoull(v, NULL, 10);
+ }
+}
+
+
+// inline simple_hash(), if-continue checks
+void test4() {
+ int i;
+ for(i = 0; pairs[i].name ; i++) {
+ const char *s = pairs[i].name;
+ const char *v = pairs[i].value;
+
+ uint32_t hash = simple_hash2(s);
+
+ if(unlikely(hash == cache_hash && !strcmp(s, "cache"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == rss_hash && !strcmp(s, "rss"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == writeback_hash && !strcmp(s, "writeback"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == dirty_hash && !strcmp(s, "dirty"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == swap_hash && !strcmp(s, "swap"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+
+ if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault"))) {
+ values4[i] = strtoull(v, NULL, 0);
+ continue;
+ }
+ }
+}
+
+// inline simple_hash(), if-else-if-else-if (netdata default)
+void test5() {
+ int i;
+ for(i = 0; pairs[i].name ; i++) {
+ const char *s = pairs[i].name;
+ const char *v = pairs[i].value;
+
+ uint32_t hash = simple_hash2(s);
+
+ if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
+ values5[i] = fast_strtoull(v);
+
+ else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
+ values5[i] = fast_strtoull(v);
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+void arl_strtoull(const char *name, uint32_t hash, const char *value, void *dst) {
+ (void)name;
+ (void)hash;
+
+ register unsigned long long *d = dst;
+ *d = strtoull(value, NULL, 10);
+ // fprintf(stderr, "name '%s' with hash %u and value '%s' is %llu\n", name, hash, value, *d);
+}
+
+void test6() {
+ static ARL_BASE *base = NULL;
+
+ if(unlikely(!base)) {
+ base = arl_create("test6", arl_strtoull, 60);
+ arl_expect_custom(base, "cache", NULL, &values6[0]);
+ arl_expect_custom(base, "rss", NULL, &values6[1]);
+ arl_expect_custom(base, "rss_huge", NULL, &values6[2]);
+ arl_expect_custom(base, "mapped_file", NULL, &values6[3]);
+ arl_expect_custom(base, "writeback", NULL, &values6[4]);
+ arl_expect_custom(base, "dirty", NULL, &values6[5]);
+ arl_expect_custom(base, "swap", NULL, &values6[6]);
+ arl_expect_custom(base, "pgpgin", NULL, &values6[7]);
+ arl_expect_custom(base, "pgpgout", NULL, &values6[8]);
+ arl_expect_custom(base, "pgfault", NULL, &values6[9]);
+ arl_expect_custom(base, "pgmajfault", NULL, &values6[10]);
+ }
+
+ arl_begin(base);
+
+ int i;
+ for(i = 0; pairs[i].name ; i++)
+ if(arl_check(base, pairs[i].name, pairs[i].value)) break;
+}
+
+void arl_str2ull(const char *name, uint32_t hash, const char *value, void *dst) {
+ (void)name;
+ (void)hash;
+
+ register unsigned long long *d = dst;
+ *d = str2ull(value);
+ // fprintf(stderr, "name '%s' with hash %u and value '%s' is %llu\n", name, hash, value, *d);
+}
+
+void test7() {
+ static ARL_BASE *base = NULL;
+
+ if(unlikely(!base)) {
+ base = arl_create("test7", arl_str2ull, 60);
+ arl_expect_custom(base, "cache", NULL, &values7[0]);
+ arl_expect_custom(base, "rss", NULL, &values7[1]);
+ arl_expect_custom(base, "rss_huge", NULL, &values7[2]);
+ arl_expect_custom(base, "mapped_file", NULL, &values7[3]);
+ arl_expect_custom(base, "writeback", NULL, &values7[4]);
+ arl_expect_custom(base, "dirty", NULL, &values7[5]);
+ arl_expect_custom(base, "swap", NULL, &values7[6]);
+ arl_expect_custom(base, "pgpgin", NULL, &values7[7]);
+ arl_expect_custom(base, "pgpgout", NULL, &values7[8]);
+ arl_expect_custom(base, "pgfault", NULL, &values7[9]);
+ arl_expect_custom(base, "pgmajfault", NULL, &values7[10]);
+ }
+
+ arl_begin(base);
+
+ int i;
+ for(i = 0; pairs[i].name ; i++)
+ if(arl_check(base, pairs[i].name, pairs[i].value)) break;
+}
+
+void test8() {
+ int i;
+ for(i = 0; pairs[i].name; i++) {
+ uint32_t hash = simple_hash(pairs[i].name);
+
+ int j;
+ for(j = 0; pairs[j].name; j++) {
+ if(hash == pairs[j].hash && !strcmp(pairs[i].name, pairs[j].name)) {
+ *pairs[j].collected8 = strtoull(pairs[i].value, NULL, 10);
+ break;
+ }
+ }
+ }
+}
+
+void test9() {
+ int i;
+ for(i = 0; pairs[i].name; i++) {
+ uint32_t hash = simple_hash(pairs[i].name);
+
+ int j;
+ for(j = 0; pairs[j].name; j++) {
+ if(hash == pairs[j].hash && !strcmp(pairs[i].name, pairs[j].name)) {
+ *pairs[j].collected9 = str2ull(pairs[i].value);
+ break;
+ }
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+/*
+// ==============
+// --- Poor man cycle counting.
+static unsigned long tsc;
+
+static void begin_tsc(void)
+{
+ unsigned long a, d;
+ asm volatile ("cpuid\nrdtsc" : "=a" (a), "=d" (d) : "0" (0) : "ebx", "ecx");
+ tsc = ((unsigned long)d << 32) | (unsigned long)a;
+}
+
+static unsigned long end_tsc(void)
+{
+ unsigned long a, d;
+ asm volatile ("rdtscp" : "=a" (a), "=d" (d) : : "ecx");
+ return (((unsigned long)d << 32) | (unsigned long)a) - tsc;
+}
+// ===============
+*/
+
+static unsigned long long clk;
+
+static void begin_clock() {
+ struct timeval tv;
+ if(unlikely(gettimeofday(&tv, NULL) == -1))
+ return;
+ clk = tv.tv_sec * 1000000 + tv.tv_usec;
+}
+
+static unsigned long long end_clock() {
+ struct timeval tv;
+ if(unlikely(gettimeofday(&tv, NULL) == -1))
+ return -1;
+ return clk = tv.tv_sec * 1000000 + tv.tv_usec - clk;
+}
+
+int main(void)
+{
+ {
+ int i;
+ for(i = 0; pairs[i].name; i++)
+ pairs[i].hash = simple_hash(pairs[i].name);
+ }
+
+ cache_hash = simple_hash("cache");
+ rss_hash = simple_hash("rss");
+ rss_huge_hash = simple_hash("rss_huge");
+ mapped_file_hash = simple_hash("mapped_file");
+ writeback_hash = simple_hash("writeback");
+ dirty_hash = simple_hash("dirty");
+ swap_hash = simple_hash("swap");
+ pgpgin_hash = simple_hash("pgpgin");
+ pgpgout_hash = simple_hash("pgpgout");
+ pgfault_hash = simple_hash("pgfault");
+ pgmajfault_hash = simple_hash("pgmajfault");
+ inactive_anon_hash = simple_hash("inactive_anon");
+ active_anon_hash = simple_hash("active_anon");
+ inactive_file_hash = simple_hash("inactive_file");
+ active_file_hash = simple_hash("active_file");
+ unevictable_hash = simple_hash("unevictable");
+ hierarchical_memory_limit_hash = simple_hash("hierarchical_memory_limit");
+ total_cache_hash = simple_hash("total_cache");
+ total_rss_hash = simple_hash("total_rss");
+ total_rss_huge_hash = simple_hash("total_rss_huge");
+ total_mapped_file_hash = simple_hash("total_mapped_file");
+ total_writeback_hash = simple_hash("total_writeback");
+ total_dirty_hash = simple_hash("total_dirty");
+ total_swap_hash = simple_hash("total_swap");
+ total_pgpgin_hash = simple_hash("total_pgpgin");
+ total_pgpgout_hash = simple_hash("total_pgpgout");
+ total_pgfault_hash = simple_hash("total_pgfault");
+ total_pgmajfault_hash = simple_hash("total_pgmajfault");
+ total_inactive_anon_hash = simple_hash("total_inactive_anon");
+ total_active_anon_hash = simple_hash("total_active_anon");
+ total_inactive_file_hash = simple_hash("total_inactive_file");
+ total_active_file_hash = simple_hash("total_active_file");
+ total_unevictable_hash = simple_hash("total_unevictable");
+
+ // cache functions
+ (void)simple_hash2("hello world");
+ (void)strcmp("1", "2");
+ (void)strtoull("123", NULL, 0);
+
+ unsigned long i, c1 = 0, c2 = 0, c3 = 0, c4 = 0, c5 = 0, c6 = 0, c7 = 0, c8 = 0, c9 = 0;
+ unsigned long max = 1000000;
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test1();
+ c1 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test2();
+ c2 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test3();
+ c3 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test4();
+ c4 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test5();
+ c5 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test6();
+ c6 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test7();
+ c7 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test8();
+ c8 = end_clock();
+
+ begin_clock();
+ for(i = 0; i <= max ;i++) test9();
+ c9 = end_clock();
+
+ for(i = 0; i < 11 ; i++)
+ printf("value %lu: %llu %llu %llu %llu %llu %llu %llu %llu %llu\n", i, values1[i], values2[i], values3[i], values4[i], values5[i], values6[i], values7[i], values8[i], values9[i]);
+
+ printf("\n\nRESULTS\n");
+ printf("test1() [1] in %lu usecs: simple system strcmp().\n"
+ "test2() [4] in %lu usecs: inline simple_hash() with system strtoull().\n"
+ "test3() [5] in %lu usecs: statement expression simple_hash(), system strtoull().\n"
+ "test4() [6] in %lu usecs: inline simple_hash(), if-continue checks.\n"
+ "test5() [7] in %lu usecs: inline simple_hash(), if-else-if-else-if (netdata default prior to ARL).\n"
+ "test6() [8] in %lu usecs: adaptive re-sortable array with strtoull() (wow!)\n"
+ "test7() [9] in %lu usecs: adaptive re-sortable array with str2ull() (wow!)\n"
+ "test8() [2] in %lu usecs: nested loop with strtoull()\n"
+ "test9() [3] in %lu usecs: nested loop with str2ull()\n"
+ , c1
+ , c2
+ , c3
+ , c4
+ , c5
+ , c6
+ , c7
+ , c8
+ , c9
+ );
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 12:32:16 +0000