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Remove the rarely-used scratch memory allocator. This makes the code smaller,

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faster, and easier to maintain.  In place of the scratch allocator, add the
SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite
that large memory allocations should be avoided.

FossilOrigin-Name: 54b000246cfb5c7b8adb61a17357ef5a49adddde9e48e8937834d5ba0beb8a6b
This commit is contained in:
drh
2017-08-28 15:51:35 +00:00
parent b3c4523c58
commit b2a0f75c06
19 changed files with 71 additions and 517 deletions
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8
test/tester.tcl
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@ -1241,14 +1241,6 @@ proc show_memstats {} {
set x [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0]
set val [format {now %10d max %10d} [lindex $x 1] [lindex $x 2]]
output1 "Page-cache overflow: $val"
set x [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0]
set val [format {now %10d max %10d} [lindex $x 1] [lindex $x 2]]
output1 "Scratch memory used: $val"
set x [sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 0]
set y [sqlite3_status SQLITE_STATUS_SCRATCH_SIZE 0]
set val [format {now %10d max %10d max-size %10d} \
[lindex $x 1] [lindex $x 2] [lindex $y 2]]
output1 "Scratch overflow: $val"
ifcapable yytrackmaxstackdepth {
set x [sqlite3_status SQLITE_STATUS_PARSER_STACK 0]
set val [format { max %10d} [lindex $x 2]]