Journal Article FZJ-2019-01086

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Statistical analysis of simulation-generated time series: Systolic vs. semi-systolic correlation on the Connection Machine

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1992
North-Holland, Elsevier Science Amsterdam [u.a.]

Parallel computing 18(5), 575 - 588 () [10.1016/0167-8191(92)90092-L]

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Abstract: Autocorrelation becomes an increasingly important tool to verify improvements in the state of the simulational art in Latice Gauge Theory. Semi-systolic and full-systolic algorithms are presented which are intensively used for correlation computations on the Connection Machine CM-2. The semi-systolic algorithm makes use of an intrinsic, microprogrammed global-add reduction function which is implemented extremely well on the Connection Machine. Nevertheless, the full-systolic correlation algorithm which makes use only of local communication and computation operations turns out to be substantially superior to the semi-systolic scheme whose basic step involved a non-local sum computation that extends over the entire machine.

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 Record created 2019-01-31, last modified 2020-09-14



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