Dependencies between iterations of loop structures cannot always be determined at compile-time because they may depend on input data which is known only at run-time. A prime example is a loop accessing an array where the array indices are themselves functions of another array determined only at run-time. To parallelize such loops, it is necessary to perform a run-time analysis. We describe a ne...

SYNOPSIS This paper describes some of the latest developments in the use of Emergency Shut Down Systems in process installations both onshore and offshore. The safety implications of these developments are discussed. The effects of common cause failures and human factors with examples of accidents are described. The assessment of systems against HSE Guidelines, industry standards and future int...