SQLite

Check-in [64badc5053]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Changes speedtest8 and speedtest16 so that the database file can be specified on the command-line. Allows speed testing against a :memory: database. (CVS 4960)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 64badc50531668de45d76a3dcd90db17e1fe1ab1
User & Date: drh 2008-04-03 17:57:25.000
Context
2008-04-03
19:40
Use an improved RDTSC access routine. (CVS 4961) (check-in: b4eba9c533 user: drh tags: trunk)
17:57
Changes speedtest8 and speedtest16 so that the database file can be specified on the command-line. Allows speed testing against a :memory: database. (CVS 4960) (check-in: 64badc5053 user: drh tags: trunk)
16:28
Instead of calling sqlite3_exec() to evaluate "PRAGMA encoding = UTF16" in sqlite3_open16(), set the connection encoding flag directly. (CVS 4959) (check-in: 33a12e737c user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to tool/speedtest16.c.
︙︙
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

** because that defeats the hi-res timer.
**
**     gcc speedtest16.c sqlite3.o -ldl
**
** Then run this program with a single argument which is the name of
** a file containing SQL script that you want to test:
**
**     ./a.out test.sql
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sqlite3.h"










|








16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

** because that defeats the hi-res timer.
**
**     gcc speedtest16.c sqlite3.o -ldl
**
** Then run this program with a single argument which is the name of
** a file containing SQL script that you want to test:
**
**     ./a.out database.db test.sql
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sqlite3.h"
︙︙
108
109
110
111
112
113
114


115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150


151
152
153
154
155
156
157
158
159
160
161
162
163


164
165
166
167
168
169
170
171

  int rc;
  int nSql;
  char *zSql;
  int i, j;
  FILE *in;
  unsigned long long int iStart, iElapse;
  unsigned long long int iSetup = 0;



  if( argc!=2 ){
    fprintf(stderr, "Usage: %s SQL-SCRIPT\n"
                    "Runs SQL-SCRIPT as UTF16 against a UTF16 database\n",
                    argv[0]);
    exit(1);
  }
  in = fopen(argv[1], "r");
  fseek(in, 0L, SEEK_END);
  nSql = ftell(in);
  zSql = malloc( nSql+1 );
  fseek(in, 0L, SEEK_SET);
  nSql = fread(zSql, 1, nSql, in);
  zSql[nSql] = 0;

  printf("SQLite version: %d\n", sqlite3_libversion_number());
  unlink("test.db");
  unlink("test.db-journal");
  utf16 = asciiToUtf16le("test.db");
  iStart = hwtime();
  rc = sqlite3_open16(utf16, &db);
  iElapse = hwtime() - iStart;
  iSetup = iElapse;
  printf("sqlite3_open16() returns %d in %llu cycles\n", rc, iElapse);
  free(utf16);
  for(i=j=0; j<nSql; j++){
    if( zSql[j]==';' ){
      int isComplete;
      char c = zSql[j+1];
      zSql[j+1] = 0;
      isComplete = sqlite3_complete(&zSql[i]);
      zSql[j+1] = c;
      if( isComplete ){
        zSql[j] = 0;
        while( i<j && isspace(zSql[i]) ){ i++; }
        if( i<j ){


          prepareAndRun(db, &zSql[i]);
        }
        zSql[j] = ';';
        i = j+1;
      }
    }
  }
  iStart = hwtime();
  sqlite3_close(db);
  iElapse = hwtime() - iStart;
  iSetup += iElapse;
  printf("sqlite3_close() returns in %llu cycles\n", iElapse);
  printf("\n");


  printf("Total prepare time:   %15llu cycles\n", prepTime);
  printf("Total run time:       %15llu cycles\n", runTime);
  printf("Total finalize time:  %15llu cycles\n", finalizeTime);
  printf("Open/Close time:      %15llu cycles\n", iSetup);
  printf("Total Time:           %15llu cycles\n",
      prepTime + runTime + finalizeTime + iSetup);
  return 0;
}








>
>

|
|




|








|
<
|

















>
>













>
>









108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176

  int rc;
  int nSql;
  char *zSql;
  int i, j;
  FILE *in;
  unsigned long long int iStart, iElapse;
  unsigned long long int iSetup = 0;
  int nStmt = 0;
  int nByte = 0;

  if( argc!=3 ){
    fprintf(stderr, "Usage: %s FILENAME SQL-SCRIPT\n"
                    "Runs SQL-SCRIPT as UTF16 against a UTF16 database\n",
                    argv[0]);
    exit(1);
  }
  in = fopen(argv[2], "r");
  fseek(in, 0L, SEEK_END);
  nSql = ftell(in);
  zSql = malloc( nSql+1 );
  fseek(in, 0L, SEEK_SET);
  nSql = fread(zSql, 1, nSql, in);
  zSql[nSql] = 0;

  printf("SQLite version: %d\n", sqlite3_libversion_number());
  unlink(argv[1]);

  utf16 = asciiToUtf16le(argv[1]);
  iStart = hwtime();
  rc = sqlite3_open16(utf16, &db);
  iElapse = hwtime() - iStart;
  iSetup = iElapse;
  printf("sqlite3_open16() returns %d in %llu cycles\n", rc, iElapse);
  free(utf16);
  for(i=j=0; j<nSql; j++){
    if( zSql[j]==';' ){
      int isComplete;
      char c = zSql[j+1];
      zSql[j+1] = 0;
      isComplete = sqlite3_complete(&zSql[i]);
      zSql[j+1] = c;
      if( isComplete ){
        zSql[j] = 0;
        while( i<j && isspace(zSql[i]) ){ i++; }
        if( i<j ){
          nStmt++;
          nByte += j-i;
          prepareAndRun(db, &zSql[i]);
        }
        zSql[j] = ';';
        i = j+1;
      }
    }
  }
  iStart = hwtime();
  sqlite3_close(db);
  iElapse = hwtime() - iStart;
  iSetup += iElapse;
  printf("sqlite3_close() returns in %llu cycles\n", iElapse);
  printf("\n");
  printf("Statements run:       %15d\n", nStmt);
  printf("Bytes of SQL text:    %15d\n", nByte);
  printf("Total prepare time:   %15llu cycles\n", prepTime);
  printf("Total run time:       %15llu cycles\n", runTime);
  printf("Total finalize time:  %15llu cycles\n", finalizeTime);
  printf("Open/Close time:      %15llu cycles\n", iSetup);
  printf("Total Time:           %15llu cycles\n",
      prepTime + runTime + finalizeTime + iSetup);
  return 0;
}
Changes to tool/speedtest8.c.
︙︙
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

** because that defeats the hi-res timer.
**
**     gcc speedtest8.c sqlite3.o -ldl
**
** Then run this program with a single argument which is the name of
** a file containing SQL script that you want to test:
**
**     ./a.out test.sql
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sqlite3.h"










|








15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

** because that defeats the hi-res timer.
**
**     gcc speedtest8.c sqlite3.o -ldl
**
** Then run this program with a single argument which is the name of
** a file containing SQL script that you want to test:
**
**     ./a.out test.db  test.sql
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "sqlite3.h"
︙︙
85
86
87
88
89
90
91


92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125


126
127
128
129
130
131
132
133
134
135
136
137
138


139
140
141
142
143
144
145
146

  int rc;
  int nSql;
  char *zSql;
  int i, j;
  FILE *in;
  unsigned long long int iStart, iElapse;
  unsigned long long int iSetup = 0;



  if( argc!=2 ){
    fprintf(stderr, "Usage: %s SQL-SCRIPT\n"
                    "Runs SQL-SCRIPT against a UTF8 database\n",
                    argv[0]);
    exit(1);
  }
  in = fopen(argv[1], "r");
  fseek(in, 0L, SEEK_END);
  nSql = ftell(in);
  zSql = malloc( nSql+1 );
  fseek(in, 0L, SEEK_SET);
  nSql = fread(zSql, 1, nSql, in);
  zSql[nSql] = 0;

  printf("SQLite version: %d\n", sqlite3_libversion_number());
  unlink("test.db");
  unlink("test.db-journal");
  iStart = hwtime();
  rc = sqlite3_open("test.db", &db);
  iElapse = hwtime() - iStart;
  iSetup = iElapse;
  printf("sqlite3_open() returns %d in %llu cycles\n", rc, iElapse);
  for(i=j=0; j<nSql; j++){
    if( zSql[j]==';' ){
      int isComplete;
      char c = zSql[j+1];
      zSql[j+1] = 0;
      isComplete = sqlite3_complete(&zSql[i]);
      zSql[j+1] = c;
      if( isComplete ){
        zSql[j] = 0;
        while( i<j && isspace(zSql[i]) ){ i++; }
        if( i<j ){


          prepareAndRun(db, &zSql[i]);
        }
        zSql[j] = ';';
        i = j+1;
      }
    }
  }
  iStart = hwtime();
  sqlite3_close(db);
  iElapse = hwtime() - iStart;
  iSetup += iElapse;
  printf("sqlite3_close() returns in %llu cycles\n", iElapse);
  printf("\n");


  printf("Total prepare time:   %15llu cycles\n", prepTime);
  printf("Total run time:       %15llu cycles\n", runTime);
  printf("Total finalize time:  %15llu cycles\n", finalizeTime);
  printf("Open/Close time:      %15llu cycles\n", iSetup);
  printf("Total Time:           %15llu cycles\n",
      prepTime + runTime + finalizeTime + iSetup);
  return 0;
}








>
>

|
|




|








|
<

|














>
>













>
>









85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151

  int rc;
  int nSql;
  char *zSql;
  int i, j;
  FILE *in;
  unsigned long long int iStart, iElapse;
  unsigned long long int iSetup = 0;
  int nStmt = 0;
  int nByte = 0;

  if( argc!=3 ){
    fprintf(stderr, "Usage: %s FILENAME SQL-SCRIPT\n"
                    "Runs SQL-SCRIPT against a UTF8 database\n",
                    argv[0]);
    exit(1);
  }
  in = fopen(argv[2], "r");
  fseek(in, 0L, SEEK_END);
  nSql = ftell(in);
  zSql = malloc( nSql+1 );
  fseek(in, 0L, SEEK_SET);
  nSql = fread(zSql, 1, nSql, in);
  zSql[nSql] = 0;

  printf("SQLite version: %d\n", sqlite3_libversion_number());
  unlink(argv[1]);

  iStart = hwtime();
  rc = sqlite3_open(argv[1], &db);
  iElapse = hwtime() - iStart;
  iSetup = iElapse;
  printf("sqlite3_open() returns %d in %llu cycles\n", rc, iElapse);
  for(i=j=0; j<nSql; j++){
    if( zSql[j]==';' ){
      int isComplete;
      char c = zSql[j+1];
      zSql[j+1] = 0;
      isComplete = sqlite3_complete(&zSql[i]);
      zSql[j+1] = c;
      if( isComplete ){
        zSql[j] = 0;
        while( i<j && isspace(zSql[i]) ){ i++; }
        if( i<j ){
          nStmt++;
          nByte += j-i;
          prepareAndRun(db, &zSql[i]);
        }
        zSql[j] = ';';
        i = j+1;
      }
    }
  }
  iStart = hwtime();
  sqlite3_close(db);
  iElapse = hwtime() - iStart;
  iSetup += iElapse;
  printf("sqlite3_close() returns in %llu cycles\n", iElapse);
  printf("\n");
  printf("Statements run:       %15d\n", nStmt);
  printf("Bytes of SQL text:    %15d\n", nByte);
  printf("Total prepare time:   %15llu cycles\n", prepTime);
  printf("Total run time:       %15llu cycles\n", runTime);
  printf("Total finalize time:  %15llu cycles\n", finalizeTime);
  printf("Open/Close time:      %15llu cycles\n", iSetup);
  printf("Total Time:           %15llu cycles\n",
      prepTime + runTime + finalizeTime + iSetup);
  return 0;
}