Faster bulk inserts in sqlite3?

[ramanujan:~]$cat demotab.txt
44      92
35      94
43      94
195     49
66      28
135     93
135     91
67      84
135     94

[ramanujan:~]$echo "create table mytable ( col1 int, col2 int);" | sqlite3 foo.sqlite
[ramanujan:~]$echo ".import demotab.txt mytable"  | sqlite3 foo.sqlite

[ramanujan:~]$sqlite3 foo.sqlite
-- Loading resources from /Users/ramanujan/.sqliterc
SQLite version 3.6.6.2
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> select * from mytable;
col1    col2
44      92
35      94
43      94
195     49
66      28
135     93
135     91
67      84
135     94

sqlite> .show .separator
     echo: off
  explain: off
  headers: on
     mode: list
nullvalue: ""
   output: stdout
separator: "t"
    width:

create virtual table vtYourDataset using yourModule;
-- Bulk insert
insert into yourTargetTable (x, y, z)
select x, y, z from vtYourDataset;

BEGIN;
INSERT INTO table VALUES ();
INSERT INTO table VALUES ();
...
END;