utest
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xsren
parent
8fcf57c077
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7d44466603
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#include <chrono>
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#include <cstdio>
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#include <gtest/gtest.h>
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#include <limits.h>
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#include <taosdef.h>
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#include "os.h"
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#include "tutil.h"
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#include "regex.h"
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#include "osDef.h"
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#include "tcompare.h"
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extern "C" {
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typedef struct UsingRegex UsingRegex;
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UsingRegex** getRegComp(const char *pPattern);
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int32_t threadGetRegComp(regex_t **regex, const char *pPattern);
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}
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class regexTest {
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public:
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regexTest() { (void)InitRegexCache(); }
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~regexTest() { (void)DestroyRegexCache(); }
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};
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static regexTest test;
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static threadlocal regex_t pRegex;
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static threadlocal char *pOldPattern = NULL;
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void DestoryThreadLocalRegComp1() {
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if (NULL != pOldPattern) {
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regfree(&pRegex);
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taosMemoryFree(pOldPattern);
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pOldPattern = NULL;
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}
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}
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static regex_t *threadGetRegComp1(const char *pPattern) {
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if (NULL != pOldPattern) {
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if( strcmp(pOldPattern, pPattern) == 0) {
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return &pRegex;
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} else {
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DestoryThreadLocalRegComp1();
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}
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}
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pOldPattern = (char*)taosMemoryMalloc(strlen(pPattern) + 1);
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if (NULL == pOldPattern) {
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uError("Failed to Malloc when compile regex pattern %s.", pPattern);
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return NULL;
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}
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strcpy(pOldPattern, pPattern);
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int32_t cflags = REG_EXTENDED;
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int32_t ret = regcomp(&pRegex, pPattern, cflags);
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if (ret != 0) {
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char msgbuf[256] = {0};
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regerror(ret, &pRegex, msgbuf, tListLen(msgbuf));
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uError("Failed to compile regex pattern %s. reason %s", pPattern, msgbuf);
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DestoryThreadLocalRegComp1();
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return NULL;
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}
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return &pRegex;
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}
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TEST(testCase, regexCacheTest1) {
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int times = 100000;
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char s1[] = "abc";
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auto start = std::chrono::high_resolution_clock::now();
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uint64_t t0 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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UsingRegex** rex = getRegComp(s1);
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}
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uint64_t t1 = taosGetTimestampUs();
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printf("%s regex(current) %d times:%" PRIu64 " us.\n", s1, times, t1 - t0);
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uint64_t t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = threadGetRegComp1(s1);
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}
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uint64_t t3 = taosGetTimestampUs();
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printf("%s regex(before) %d times:%" PRIu64 " us.\n", s1, times, t3 - t2);
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t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s1);
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}
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t3 = taosGetTimestampUs();
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printf("%s regex(new) %d times:%" PRIu64 " us.\n", s1, times, t3 - t2);
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}
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TEST(testCase, regexCacheTest2) {
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int times = 100000;
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char s1[] = "abc%*";
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auto start = std::chrono::high_resolution_clock::now();
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uint64_t t0 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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UsingRegex** rex = getRegComp(s1);
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}
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uint64_t t1 = taosGetTimestampUs();
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printf("%s regex(current) %d times:%" PRIu64 " us.\n", s1, times, t1 - t0);
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uint64_t t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = threadGetRegComp1(s1);
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}
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uint64_t t3 = taosGetTimestampUs();
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printf("%s regex(before) %d times:%" PRIu64 " us.\n", s1, times, t3 - t2);
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t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s1);
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}
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t3 = taosGetTimestampUs();
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printf("%s regex(new) %d times:%" PRIu64 " us.\n", s1, times, t3 - t2);
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}
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TEST(testCase, regexCacheTest3) {
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int times = 100000;
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char s1[] = "abc%*";
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char s2[] = "abc";
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auto start = std::chrono::high_resolution_clock::now();
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uint64_t t0 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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UsingRegex** rex = getRegComp(s1);
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rex = getRegComp(s2);
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}
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uint64_t t1 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn regex(current) %d times:%" PRIu64 " us.\n", s1, s2, times, t1 - t0);
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uint64_t t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = threadGetRegComp1(s1);
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rex = threadGetRegComp1(s2);
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}
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uint64_t t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn regex(before) %d times:%" PRIu64 " us.\n", s1, s2, times, t3 - t2);
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t2 = taosGetTimestampUs();
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for(int i = 0; i < times; i++) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s1);
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(void)threadGetRegComp(&rex, s2);
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}
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t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn regex(new) %d times:%" PRIu64 " us.\n", s1, s2, times, t3 - t2);
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}
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TEST(testCase, regexCacheTest4) {
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int times = 100;
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int count = 1000;
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char s1[] = "abc%*";
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char s2[] = "abc";
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auto start = std::chrono::high_resolution_clock::now();
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uint64_t t0 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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UsingRegex** rex = getRegComp(s1);
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}
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for (int j = 0; j < count; ++j) {
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UsingRegex** rex = getRegComp(s2);
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}
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}
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uint64_t t1 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(current) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t1 - t0);
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uint64_t t2 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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regex_t* rex = threadGetRegComp1(s1);
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}
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for (int j = 0; j < count; ++j) {
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regex_t* rex = threadGetRegComp1(s2);
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}
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}
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uint64_t t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(before) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t3 - t2);
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t2 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s1);
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}
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for (int j = 0; j < count; ++j) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s2);
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}
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}
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t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(new) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t3 - t2);
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}
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/*
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TEST(testCase, regexCacheTest5) {
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int times = 10000;
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int count = 10000;
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char s1[] = "abc%*";
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char s2[] = "abc";
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auto start = std::chrono::high_resolution_clock::now();
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uint64_t t0 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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UsingRegex** rex = getRegComp(s1);
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}
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for (int j = 0; j < count; ++j) {
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UsingRegex** rex = getRegComp(s2);
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}
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}
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uint64_t t1 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(current) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t1 - t0);
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uint64_t t2 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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regex_t* rex = threadGetRegComp1(s1);
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}
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for (int j = 0; j < count; ++j) {
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regex_t* rex = threadGetRegComp1(s2);
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}
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}
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uint64_t t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(before) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t3 - t2);
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t2 = taosGetTimestampUs();
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for (int i = 0; i < times; i++) {
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for (int j = 0; j < count; ++j) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s1);
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}
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for (int j = 0; j < count; ++j) {
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regex_t* rex = NULL;
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(void)threadGetRegComp(&rex, s2);
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}
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}
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t3 = taosGetTimestampUs();
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printf("'%s' and '%s' take place by turn(per %d count) regex(new) %d times:%" PRIu64 " us.\n", s1, s2, count, times, t3 - t2);
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}
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*/
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