The design philosophy and implementation of the BALANCE system is described. BALANCE is a flexible, network independent and computer architecture independent load balancing system which is designed ...to support a wide range of software, including parallel and distributed applications as well as schedulers. The generic server and server system call structures are used as bases to enhance flexibility and to build complex services. BALANCE is not tied to a particular scheduling algorithm, rather the users are allowed to build their own schedulers. To demonstrate the flexibility and power of BALANCE, a set of system services and scheduling algorithms has been implemented and evaluated. A new delay scheduling algorithm which postpones the execution of jobs in high load situation is proposed. It is shown that this algorithm effectively improves system throughput and yet bounds the response times for the console commands.
An improved treatment of diabatic heating due to moist convection is introduced into the dynamical model of Lau and Peng (1987) to study the origin of intraseasonal oscillations in the tropics. It is ...found that the periods of slow-moving wave-CISK disturbances in the tropical troposphere with fixed sea surface temperature vary from 20 to 50 days. The results suggest that heating in the lower troposphere may be important in slowing down the wave-CISK modes. Also, it is shown that the intraseasonal oscillation can propagate around the globe even when the associated deep convection is only confined over warm sea surface temperatures.
In this investigation, a system-in-package (SiP) that consists of a very low-cost interposer with through-silicon holes (TSHs) and with chips on its top and bottom sides (a real 3-D IC integration) ...is studied. Emphasis is placed on the fabrication of a test vehicle to demonstrate the feasibility of this SiP technology. The design, materials, and process of the top chip, bottom chip, TSH interposer, and final assembly will be presented. Shock and thermal cycling tests will be performed to demonstrate the integrity of the SiP structure.
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