International Business Machines Corporation

Thanh Vu Nguyen

Mehul M Shah

Shiva R Dasari

Jacques Labrie

Wingcheung Tam

Newton P Liu

Mark Walz Wenning

Tom William Jacopi

Robert K Sloan

Shannon Matthew Farrington

Cheung-Yuk Wu

Linnette M Bakow

Diane Friedman

Suresh Lavani

A processor receives interrupts of a same type from hardware. The processor determines a rate at which the interrupts are being received. The processor compares the rate at which the interrupts are being received to a threshold rate. In response to determining that the rate at which the interrupts are being received is greater than the threshold rate, the processor sends just the first received interrupt to firmware for processing. All other of the interrupts are not sent from the processor to the firmware but instead are suppressed by the processor. By comparison, in response to determining that the rate at which the interrupts are being received is less than the threshold rate, the processor can send all the interrupts from the processor to firmware for processing.

Interrupt suppression by processing just first interrupt of a same type

A multiple task wait system and associated method allow a client application to wait for multiple tasks to be successfully or conditionally implemented before running subsequent tasks. Two mechanisms can be used to accomplish this multiple wait process: The first mechanism uses a multi-wait grouping process that is visible to the client, and the second mechanism uses a graphical representation to identify the tasks to be completed. The multi-wait grouping process allows a client to group a related set of tasks together for both control and documentation purposes. The client can add as many tasks as the resources of the computer allow to a group while defining the data flows and control flows between the tasks in the group using various graphical tools. The multi-wait system allows the client to define the constraints and conditions for a set of tasks to be considered complete, and further allows the system to define the constraints and conditions for considering all the tasks within the group to be completed. By utilizing the group concept, the system can selectively control the tasks to be included in the completion decision based on predefined rules.

Multiple task wait system for use in a data warehouse environment

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Thanh Vu Nguyen