Improved Integration of Multithreading into the STGM
Matthias Horn
Institut für Informatik
Freie Universität Berlin
email: horn@inf.fu-berlin.de
Report B-96-07
11/94
A variant of the Spineless Tagless G-Machine (STGM) which contains explicit
support for multithreading is introduced in [1]. The main design decisions are
the separation of demand for evaluation from case selection and the
introduction of an abstract notion of thread boundaries and thread
synchronisation. This report proposes an alternative solution which
does not separate demand from selection. Instead, case selections are
extended by additional alternatives which handle the appearance of long
latency operations. The overhead, necessary to control multithreading, is
reduced and sequentially evaluated parts of a program are more efficient.
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