This setting will cause all Insert statements to be cached and sent in batch every 1000 records (by default), controlled by BULKOPERATIONCOUNT.  
When a statement handle is freed or dropped all remaining cached rows will be inserted using the bulk operation interface applicable to the database.

 

AUTOBULKINSERT=1

 

Enables transparent bulk inserts.

Default = 0.

 

Environments: Client, Windows CONNX

Configuration Manager: CONNX Settings; Current Key = CONNX; Key Value/Value Name =  AUTOBULKINSERT