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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-03-16 07:50:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-03-16 07:50:20 +0000
commitb26be28df9fd4db2106cc2a557966c9d2a7345d9 (patch)
tree437e6106c0aa2e73f2dd68d0551545ae503f60d7 /tests/profile/benchmark-line-parsing.c
parentAdding upstream version 1.12.2. (diff)
downloadnetdata-b26be28df9fd4db2106cc2a557966c9d2a7345d9.tar.xz
netdata-b26be28df9fd4db2106cc2a557966c9d2a7345d9.zip
Adding upstream version 1.13.0.upstream/1.13.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/profile/benchmark-line-parsing.c')
-rw-r--r--tests/profile/benchmark-line-parsing.c707
1 files changed, 0 insertions, 707 deletions
diff --git a/tests/profile/benchmark-line-parsing.c b/tests/profile/benchmark-line-parsing.c
deleted file mode 100644
index c07d1d857..000000000
--- a/tests/profile/benchmark-line-parsing.c
+++ /dev/null
@@ -1,707 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-#include <stdio.h>
-#include <inttypes.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <sys/time.h>
-
-#define likely(x) __builtin_expect(!!(x), 1)
-#define unlikely(x) __builtin_expect(!!(x), 0)
-
-#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;
-
-char *strings[] = {
- "cache",
- "rss",
- "rss_huge",
- "mapped_file",
- "writeback",
- "dirty",
- "swap",
- "pgpgin",
- "pgpgout",
- "pgfault",
- "pgmajfault",
- "inactive_anon",
- "active_anon",
- "inactive_file",
- "active_file",
- "unevictable",
- "hierarchical_memory_limit",
- "total_cache",
- "total_rss",
- "total_rss_huge",
- "total_mapped_file",
- "total_writeback",
- "total_dirty",
- "total_swap",
- "total_pgpgin",
- "total_pgpgout",
- "total_pgfault",
- "total_pgmajfault",
- "total_inactive_anon",
- "total_active_anon",
- "total_inactive_file",
- "total_active_file",
- "total_unevictable",
- NULL
-};
-
-unsigned long long values1[12] = { 0 };
-unsigned long long values2[12] = { 0 };
-unsigned long long values3[12] = { 0 };
-unsigned long long values4[12] = { 0 };
-unsigned long long values5[12] = { 0 };
-unsigned long long values6[12] = { 0 };
-
-#define NUMBER1 "12345678901234"
-#define NUMBER2 "23456789012345"
-#define NUMBER3 "34567890123456"
-#define NUMBER4 "45678901234567"
-#define NUMBER5 "56789012345678"
-#define NUMBER6 "67890123456789"
-#define NUMBER7 "78901234567890"
-#define NUMBER8 "89012345678901"
-#define NUMBER9 "90123456789012"
-#define NUMBER10 "12345678901234"
-#define NUMBER11 "23456789012345"
-
-// simple system strcmp()
-void test1() {
- int i;
- for(i = 0; strings[i] ; i++) {
- char *s = strings[i];
-
- if(unlikely(!strcmp(s, "cache")))
- values1[i] = strtoull(NUMBER1, NULL, 10);
-
- else if(unlikely(!strcmp(s, "rss")))
- values1[i] = strtoull(NUMBER2, NULL, 10);
-
- else if(unlikely(!strcmp(s, "rss_huge")))
- values1[i] = strtoull(NUMBER3, NULL, 10);
-
- else if(unlikely(!strcmp(s, "mapped_file")))
- values1[i] = strtoull(NUMBER4, NULL, 10);
-
- else if(unlikely(!strcmp(s, "writeback")))
- values1[i] = strtoull(NUMBER5, NULL, 10);
-
- else if(unlikely(!strcmp(s, "dirty")))
- values1[i] = strtoull(NUMBER6, NULL, 10);
-
- else if(unlikely(!strcmp(s, "swap")))
- values1[i] = strtoull(NUMBER7, NULL, 10);
-
- else if(unlikely(!strcmp(s, "pgpgin")))
- values1[i] = strtoull(NUMBER8, NULL, 10);
-
- else if(unlikely(!strcmp(s, "pgpgout")))
- values1[i] = strtoull(NUMBER9, NULL, 10);
-
- else if(unlikely(!strcmp(s, "pgfault")))
- values1[i] = strtoull(NUMBER10, NULL, 10);
-
- else if(unlikely(!strcmp(s, "pgmajfault")))
- values1[i] = strtoull(NUMBER11, NULL, 10);
- }
-}
-
-// inline simple_hash() with system strtoull()
-void test2() {
- int i;
- for(i = 0; strings[i] ; i++) {
- char *s = strings[i];
- uint32_t hash = simple_hash2(s);
-
- if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
- values2[i] = strtoull(NUMBER1, NULL, 10);
-
- else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
- values2[i] = strtoull(NUMBER2, NULL, 10);
-
- else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
- values2[i] = strtoull(NUMBER3, NULL, 10);
-
- else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
- values2[i] = strtoull(NUMBER4, NULL, 10);
-
- else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
- values2[i] = strtoull(NUMBER5, NULL, 10);
-
- else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
- values2[i] = strtoull(NUMBER6, NULL, 10);
-
- else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
- values2[i] = strtoull(NUMBER7, NULL, 10);
-
- else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
- values2[i] = strtoull(NUMBER8, NULL, 10);
-
- else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
- values2[i] = strtoull(NUMBER9, NULL, 10);
-
- else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
- values2[i] = strtoull(NUMBER10, NULL, 10);
-
- else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
- values2[i] = strtoull(NUMBER11, NULL, 10);
- }
-}
-
-// statement expression simple_hash(), system strtoull()
-void test3() {
- int i;
- for(i = 0; strings[i] ; i++) {
- char *s = strings[i];
- uint32_t hash = simple_hash(s);
-
- if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
- values3[i] = strtoull(NUMBER1, NULL, 10);
-
- else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
- values3[i] = strtoull(NUMBER2, NULL, 10);
-
- else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
- values3[i] = strtoull(NUMBER3, NULL, 10);
-
- else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
- values3[i] = strtoull(NUMBER4, NULL, 10);
-
- else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
- values3[i] = strtoull(NUMBER5, NULL, 10);
-
- else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
- values3[i] = strtoull(NUMBER6, NULL, 10);
-
- else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
- values3[i] = strtoull(NUMBER7, NULL, 10);
-
- else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
- values3[i] = strtoull(NUMBER8, NULL, 10);
-
- else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
- values3[i] = strtoull(NUMBER9, NULL, 10);
-
- else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
- values3[i] = strtoull(NUMBER10, NULL, 10);
-
- else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
- values3[i] = strtoull(NUMBER11, NULL, 10);
- }
-}
-
-
-// inline simple_hash(), if-continue checks
-void test4() {
- int i;
- for(i = 0; strings[i] ; i++) {
- char *s = strings[i];
- uint32_t hash = simple_hash2(s);
-
- if(unlikely(hash == cache_hash && !strcmp(s, "cache"))) {
- values4[i] = strtoull(NUMBER1, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == rss_hash && !strcmp(s, "rss"))) {
- values4[i] = strtoull(NUMBER2, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge"))) {
- values4[i] = strtoull(NUMBER3, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file"))) {
- values4[i] = strtoull(NUMBER4, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == writeback_hash && !strcmp(s, "writeback"))) {
- values4[i] = strtoull(NUMBER5, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == dirty_hash && !strcmp(s, "dirty"))) {
- values4[i] = strtoull(NUMBER6, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == swap_hash && !strcmp(s, "swap"))) {
- values4[i] = strtoull(NUMBER7, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin"))) {
- values4[i] = strtoull(NUMBER8, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout"))) {
- values4[i] = strtoull(NUMBER9, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault"))) {
- values4[i] = strtoull(NUMBER10, NULL, 0);
- continue;
- }
-
- if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault"))) {
- values4[i] = strtoull(NUMBER11, NULL, 0);
- continue;
- }
- }
-}
-
-// inline simple_hash(), if-else-if-else-if (netdata default)
-void test5() {
- int i;
- for(i = 0; strings[i] ; i++) {
- char *s = strings[i];
- uint32_t hash = simple_hash2(s);
-
- if(unlikely(hash == cache_hash && !strcmp(s, "cache")))
- values5[i] = fast_strtoull(NUMBER1);
-
- else if(unlikely(hash == rss_hash && !strcmp(s, "rss")))
- values5[i] = fast_strtoull(NUMBER2);
-
- else if(unlikely(hash == rss_huge_hash && !strcmp(s, "rss_huge")))
- values5[i] = fast_strtoull(NUMBER3);
-
- else if(unlikely(hash == mapped_file_hash && !strcmp(s, "mapped_file")))
- values5[i] = fast_strtoull(NUMBER4);
-
- else if(unlikely(hash == writeback_hash && !strcmp(s, "writeback")))
- values5[i] = fast_strtoull(NUMBER5);
-
- else if(unlikely(hash == dirty_hash && !strcmp(s, "dirty")))
- values5[i] = fast_strtoull(NUMBER6);
-
- else if(unlikely(hash == swap_hash && !strcmp(s, "swap")))
- values5[i] = fast_strtoull(NUMBER7);
-
- else if(unlikely(hash == pgpgin_hash && !strcmp(s, "pgpgin")))
- values5[i] = fast_strtoull(NUMBER8);
-
- else if(unlikely(hash == pgpgout_hash && !strcmp(s, "pgpgout")))
- values5[i] = fast_strtoull(NUMBER9);
-
- else if(unlikely(hash == pgfault_hash && !strcmp(s, "pgfault")))
- values5[i] = fast_strtoull(NUMBER10);
-
- else if(unlikely(hash == pgmajfault_hash && !strcmp(s, "pgmajfault")))
- values5[i] = fast_strtoull(NUMBER11);
- }
-}
-
-// ----------------------------------------------------------------------------
-
-struct entry {
- char *name;
- uint32_t hash;
- int found;
- void (*func)(void *data1, void *data2);
- void *data1;
- void *data2;
- struct entry *prev, *next;
-};
-
-struct base {
- int iteration;
- int registered;
- int wanted;
- int found;
- struct entry *entries, *last;
-};
-
-static inline void callback(void *data1, void *data2) {
- char *string = data1;
- unsigned long long *value = data2;
- *value = fast_strtoull(string);
-}
-
-static inline void callback_system_strtoull(void *data1, void *data2) {
- char *string = data1;
- unsigned long long *value = data2;
- *value = strtoull(string, NULL, 10);
-}
-
-
-static inline struct base *entry(struct base *base, const char *name, void *data1, void *data2, void (*func)(void *, void *)) {
- if(!base)
- base = calloc(1, sizeof(struct base));
-
- struct entry *e = malloc(sizeof(struct entry));
- e->name = strdup(name);
- e->hash = simple_hash2(e->name);
- e->data1 = data1;
- e->data2 = data2;
- e->func = func;
- e->prev = NULL;
- e->next = base->entries;
-
- if(base->entries) base->entries->prev = e;
- else base->last = e;
-
- base->entries = e;
- base->registered++;
- base->wanted = base->registered;
-
- return base;
-}
-
-static inline int check(struct base *base, const char *s) {
- uint32_t hash = simple_hash2(s);
-
- if(likely(!strcmp(s, base->last->name))) {
- base->last->found = 1;
- base->found++;
- if(base->last->func) base->last->func(base->last->data1, base->last->data2);
- base->last = base->last->next;
-
- if(!base->last)
- base->last = base->entries;
-
- if(base->found == base->registered)
- return 1;
-
- return 0;
- }
-
- // find it
- struct entry *e;
- for(e = base->entries; e ; e = e->next)
- if(e->hash == hash && !strcmp(e->name, s))
- break;
-
- if(e == base->last) {
- printf("ERROR\n");
- exit(1);
- }
-
- if(e) {
- // found
-
- // run it
- if(e->func) e->func(e->data1, e->data2);
-
- // unlink it
- if(e->next) e->next->prev = e->prev;
- if(e->prev) e->prev->next = e->next;
-
- if(base->entries == e)
- base->entries = e->next;
- }
- else {
- // not found
-
- // create it
- e = calloc(1, sizeof(struct entry));
- e->name = strdup(s);
- e->hash = hash;
- }
-
- // link it here
- e->next = base->last;
- if(base->last) {
- e->prev = base->last->prev;
- base->last->prev = e;
-
- if(base->entries == base->last)
- base->entries = e;
- }
- else
- e->prev = NULL;
-
- if(e->prev)
- e->prev->next = e;
-
- base->last = e->next;
- if(!base->last)
- base->last = base->entries;
-
- e->found = 1;
- base->found++;
-
- if(base->found == base->registered)
- return 1;
-
- printf("relinked '%s' after '%s' and before '%s': ", e->name, e->prev?e->prev->name:"NONE", e->next?e->next->name:"NONE");
- for(e = base->entries; e ; e = e->next) printf("%s ", e->name);
- printf("\n");
-
- return 0;
-}
-
-static inline void begin(struct base *base) {
-
- if(unlikely(base->iteration % 60) == 1) {
- base->wanted = 0;
- struct entry *e;
- for(e = base->entries; e ; e = e->next)
- if(e->found) base->wanted++;
- }
-
- base->iteration++;
- base->last = base->entries;
- base->found = 0;
-}
-
-void test6() {
-
- static struct base *base = NULL;
-
- if(unlikely(!base)) {
- base = entry(base, "cache", NUMBER1, &values6[0], callback_system_strtoull);
- base = entry(base, "rss", NUMBER2, &values6[1], callback_system_strtoull);
- base = entry(base, "rss_huge", NUMBER3, &values6[2], callback_system_strtoull);
- base = entry(base, "mapped_file", NUMBER4, &values6[3], callback_system_strtoull);
- base = entry(base, "writeback", NUMBER5, &values6[4], callback_system_strtoull);
- base = entry(base, "dirty", NUMBER6, &values6[5], callback_system_strtoull);
- base = entry(base, "swap", NUMBER7, &values6[6], callback_system_strtoull);
- base = entry(base, "pgpgin", NUMBER8, &values6[7], callback_system_strtoull);
- base = entry(base, "pgpgout", NUMBER9, &values6[8], callback_system_strtoull);
- base = entry(base, "pgfault", NUMBER10, &values6[9], callback_system_strtoull);
- base = entry(base, "pgmajfault", NUMBER11, &values6[10], callback_system_strtoull);
- }
-
- begin(base);
-
- int i;
- for(i = 0; strings[i] ; i++) {
- if(check(base, strings[i]))
- break;
- }
-}
-
-void test7() {
-
- static struct base *base = NULL;
-
- if(unlikely(!base)) {
- base = entry(base, "cache", NUMBER1, &values6[0], callback);
- base = entry(base, "rss", NUMBER2, &values6[1], callback);
- base = entry(base, "rss_huge", NUMBER3, &values6[2], callback);
- base = entry(base, "mapped_file", NUMBER4, &values6[3], callback);
- base = entry(base, "writeback", NUMBER5, &values6[4], callback);
- base = entry(base, "dirty", NUMBER6, &values6[5], callback);
- base = entry(base, "swap", NUMBER7, &values6[6], callback);
- base = entry(base, "pgpgin", NUMBER8, &values6[7], callback);
- base = entry(base, "pgpgout", NUMBER9, &values6[8], callback);
- base = entry(base, "pgfault", NUMBER10, &values6[9], callback);
- base = entry(base, "pgmajfault", NUMBER11, &values6[10], callback);
- }
-
- begin(base);
-
- int i;
- for(i = 0; strings[i] ; i++) {
- if(check(base, strings[i]))
- 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;
-}
-
-void main(void)
-{
- 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;
- unsigned long max = 1000000;
-
- // let the processor get up to speed
- begin_clock();
- for(i = 0; i <= max ;i++) test1();
- c1 = end_clock();
-
- 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();
-
- for(i = 0; i < 11 ; i++)
- printf("value %lu: %llu %llu %llu %llu %llu %llu\n", i, values1[i], values2[i], values3[i], values4[i], values5[i], values6[i]);
-
- printf("\n\nRESULTS\n");
- printf("test1() in %lu usecs: if-else-if-else-if, simple strcmp() with system strtoull().\n"
- "test2() in %lu usecs: inline simple_hash() if-else-if-else-if, with system strtoull().\n"
- "test3() in %lu usecs: statement expression simple_hash(), system strtoull().\n"
- "test4() in %lu usecs: inline simple_hash(), if-continue checks, system strtoull().\n"
- "test5() in %lu usecs: inline simple_hash(), if-else-if-else-if, custom strtoull() (netdata default prior to ARL).\n"
- "test6() in %lu usecs: adaptive re-sortable list, system strtoull() (wow!)\n"
- "test7() in %lu usecs: adaptive re-sortable list, custom strtoull() (wow!)\n"
- , c1
- , c2
- , c3
- , c4
- , c5
- , c6
- , c7
- );
-
-}