});
        // It doesn't matter whether we use cacheable true or false, since none of the warnings depends on the cacheability of the task.
        Class<?> workType = workClass.get();
        TypeValidationContext workValidationContext = validationContext.forType(workType, true);
        validateImplementation(workValidationContext, beforeExecutionState.getImplementation(), "Implementation of ", work);

	// fractional worker isn't behind again the instant it exits.
	return float64(selfTime)/float64(delta) > 1.2*gcController.fractionalUtilizationGoal
}

var work workType

type workType struct {
	full  lfstack          // lock-free list of full blocks workbuf
	_     cpu.CacheLinePad // prevents false-sharing between full and empty
	empty lfstack          // lock-free list of empty blocks workbuf