SQLite

Check-in [91eb6b628e]
Login

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

Overview
Comment:Remove a C99-style comment. Fixes to the kvtest-speed.sh script.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | micro-optimizations
Files: files | file ages | folders
SHA1: 91eb6b628e278d20eccc647293e5b30765163e12
User & Date: drh 2017-01-31 16:49:01.913
Context
2017-01-31
19:02
Simplifications to blobSeekToRow(). (Closed-Leaf check-in: 495ea82409 user: drh tags: micro-optimizations)
16:49
Remove a C99-style comment. Fixes to the kvtest-speed.sh script. (check-in: 91eb6b628e user: drh tags: micro-optimizations)
16:43
Remove another unnecessary local variable initialization from sqlite3VdbeExec() (check-in: 2361b03b61 user: drh tags: micro-optimizations)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/vdbe.c.
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
593
594
595
596
597
598
599

600
601
602
603
604
605
606







-







  if( p->rc==SQLITE_NOMEM ){
    /* This happens if a malloc() inside a call to sqlite3_column_text() or
    ** sqlite3_column_text16() failed.  */
    goto no_mem;
  }
  assert( p->rc==SQLITE_OK || (p->rc&0xff)==SQLITE_BUSY );
  assert( p->bIsReader || p->readOnly!=0 );
//  p->rc = SQLITE_OK;
  p->iCurrentTime = 0;
  assert( p->explain==0 );
  p->pResultSet = 0;
  db->busyHandler.nBusy = 0;
  if( db->u1.isInterrupted ) goto abort_due_to_interrupt;
  sqlite3VdbeIOTraceSql(p);
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
Changes to tool/kvtest-speed.sh.
17
18
19
20
21
22
23
24
25


26
27
28
29
30
31
32
33
34
35
17
18
19
20
21
22
23


24
25
26
27

28
29
30
31
32
33
34







-
-
+
+


-







OPTS="-DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -DSQLITE_DIRECT_OVERFLOW_READ -DUSE_PREAD"
KVARGS="--count 100K --stats"
gcc -g -Os -I. $OPTS $* kvtest.c sqlite3.c -o kvtest

# First run using SQL
rm cachegrind.out.[1-9][0-9]*
valgrind --tool=cachegrind ./kvtest run kvtest.db $KVARGS 2>&1 | tee summary-kvtest-$NAME.txt
mv cachegrind.out.[1-9][0-9]* cachegrind.out.$NAME
cg_anno.tcl cachegrind.out.$NAME >cout-kvtest-sql-$NAME.txt
mv cachegrind.out.[1-9][0-9]* cachegrind.out.sql-$NAME
cg_anno.tcl cachegrind.out.sql-$NAME >cout-kvtest-sql-$NAME.txt

# Second run using the sqlite3_blob object
rm cachegrind.out.[1-9][0-9]*
valgrind --tool=cachegrind ./kvtest run kvtest.db $KVARGS --blob-api 2>&1 | tee -a summary-kvtest-$NAME.txt
mv cachegrind.out.[1-9][0-9]* cachegrind.out.$NAME
cg_anno.tcl cachegrind.out.$NAME >cout-kvtest-$NAME.txt

# Diff the sqlite3_blob API analysis for non-trunk runs.
if test "$NAME" != "trunk"; then
  fossil test-diff --tk cout-kvtest-trunk.txt cout-kvtest-$NAME.txt &