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The eect of scheduling discipline on spin overhead in shared memory parallel processors. The performance implications of thread management alternatives for shared-memory multiprocessors. consistency and event ordering in scalable shared-memory multiprocessors. synchronization primitives for large-scale cache-coherent multiprocessors. 38 and the hardware(More)
BACKGROUND Job characteristics may constitute a barrier to return-to-work (RTW) after compensated disabling low back pain (LBP). This study examines the impact of psychosocial job factors on time to RTW separately during the acute and subacute/chronic disability phases. METHODS This is a retrospective cohort study of 433 LBP workers' compensation(More)
This paper proposes dynamic cache partitioning amongst simultaneously executing processes/threads. We present a general partitioning scheme that can be applied to set-associative caches. Since memory reference characteristics of processes/threads can change over time, our method collects the cache miss characteristics of processes/threads at run-time. Also,(More)
In a snoopy cache multiprocessor system, each processor has a cache in which it stores blocks of data. Each cache is connected to a bus used to communicate with the other caches and with main memory. Each cache monitors the activity on the bus and in its own processor and decides which blocks of data to keep and which to discard. For several of the proposed(More)
We propose a low overhead, on-line memory monitoring scheme utilizing a set of novel hardware counters. The counters act like pressure gauges indicating the marginal gain in the number of hits from increasing the cache size or hit-rates as a function of cache size. Using the counters, we describe a scheme that enables an accurate estimate of the isolated(More)
Parallel job scheduling has gained increasing recognition in recent years as a distinct area of study. However , there is concern about the divergence of theory and practice in the eld. We review theoretical research in this area, and recommendations based on recent results. This is contrasted with a proposal for standard interfaces among the components of(More)