Speculative multithreaded architecture (SpMT) philosophy relies on aggressive speculative execution for improved performance.
However, aggressive speculative execution comes with a mixed flavor of improving performance, when successful, and adversely affecting the energy consumption (and performance) because of useless computation in the event of mis-speculation.
We present experimental results that demonstrate how the performance of information gathering plans can benefit from speculative execution and how its overall utility can be increased through our hybrid method of value prediction.
There are three main aspects: learning machine performance, reduce task assignment algorithm based on learning result, and speculative execution optimization mechanism.
Due to the different computing power and system resources between the nodes, such uniform distribution of tasks will lower the performance between nodes, and hence this paper makes improvements on the original speculative execution method of Hadoop (called Hadoop Speculative) and LATE Scheduler by proposing a new scheduling scheme known as Adaptive Task Allocation Scheduler ATASS).
We do not support speculative execution.
Trading for Wells would be highly speculative because of his performance over the last calendar year and because of his physical condition.
He says that for many years, chip designers used a technique called "speculative processing" to keep performance high, in which the chip tries to anticipate the certain bits of data that may be needed but which also may not be needed at all.
Nevertheless, the difference between these two conditions is not very strong, and it remains speculative whether the monkeys' performance can be explained by sensitivity to diagnostic uncertainty.
In this paper we use a series of micro-benchmarks to study the relative performance of a speculative system based on the DMTCP checkpoint restart system and compare it against a thread level speculative system.
But during 1999 and early this year, the market, especially the Nasdaq, increasingly became a kind of casino, a speculative frenzy in which the performance of many stocks seemed almost entirely divorced from the reality of the companies behind them.
