According to EU legislation pigs must have access to rooting material, and the aim of the study was to quantify growing pigs’ preferences among six different rooting materials. The relative attractiveness of six rooting materials was assessed in an operant conditioning set-up using concurrent schedules of reinforcement. Twelve pigs were tested with all six combinations of the reference material...

Data movement is a common performance bottleneck, and its chief remedy caching. Traditional cache management transparent to the workload: data that should be kept in are determined by recency information only, while program information, i.e., future reuses, not communicated cache. This has changed new design named Lease Cache . The control passed lease compiler technique called Compiler Assigne...