PPT-Processor Level Parallelism 2

Processor Parallelism Levels of parallelism defined via memorycontrol Processor Parallelism Categories defined based on Number of simultaneous instructions Number of simultaneous data items How We Got Here. Parallelism . of words:. She tried to make her pastry . fluffy. , . sweet. , . and . delicate. .. They tried to make their . work . faultless. , . complete. , and . perfect. . . adjectives . She tried to make her pastry . 2. Processor development till 2004. Out-of-order. Instruction scheduling. 3. Why multi-core ?. Difficult to make single-core. clock frequencies even . higher – heat problems . Deeply pipelined circuits:. Robert Pawlowski. ECE 570 – 2/19/2013. 1. Reliability. Involves different aspects about a processor that can affect performance and functionality.. Ultimately can reduce the lifetime of the processor. . Interprocess. Communication for Shared Memory Multiprocessors. Bershad. , B. N., Anderson, T. E., . Lazowska. , E.D., and Levy, H. M.. Presented by . Akbar Saidov. Introduction. Interprocess. communication (IPC). Gokarna Sharma. (A joint work with . Costas Busch. ). Louisiana State University. Agenda. Introduction and Motivation. Scheduling Bounds in Different Software Transactional Memory Implementations. Tightly-Coupled Shared Memory Systems. Presented . by A. Craik . (. 5. -Jan-12). Research supported by funding . from . Microsoft Research and the Queensland State Government. 1. Introduction. 2. Procedural Algorithm. Sequential Implementation w/ Injected Parallelism. 2. Processor development till 2004. Out-of-order. Instruction scheduling. 3. Why multi-core ?. Difficult to. increase. . clock . frequencies even . higher – heat . problems. . Moore’s law is at its limits. Criticality . Real-Time . Scheduling. Bader N. . Alahmad. Sathish Gopalakrishnan. Example. Platform. Single Processor. Preemptive.  . Simpler case. : Independent Job Model. independent (one-shot) jobs . Parallel structure (also called parallelism) is the repetition of a chosen grammatical form within a sentence. By making each compared item or idea in your sentence follow the same grammatical pattern, you create a parallel construction. The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand Out-of-order. Instruction scheduling. 3. Why multi-core ?. Difficult to make single-core. clock frequencies even . higher – heat problems . Deeply pipelined circuits:. heat . problems, needs special cooling arrangements. time. orig. f. (1 - . f. ). time. orig. f. (1 - . f. ). time. orig. Amdahl’s Law. Speedup. = time. without enhancement . / time. with enhancement. An enhancement speeds up fraction . f . of a task by factor . quantitative approach to analyze architectures and potential improvements and see how well they work. We study RISC instruction sets to promote . instruction-level, block-level and thread-level parallelism.