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COOTS 2001 Abstract
PSTL--A C++ Persistent Standard Template Library
Thomas Gschwind, Technische Universität Wien
Abstract
The C++ Standard Template Library provides efficient storage of
data in containers, and efficient operations on such containers.
While STL can be parameterized with custom allocators, these cannot be
used to add persistency to the container classes provided by STL.
Thus, we have designed the Persistent Standard Template Library (PSTL)
that overcomes this by providing its own containers that are
compatible with STL, but store their elements on disk. This
compatibility provides a programming model that is known and more
natural to C++ programmers and enables the reuse of many of the
algorithms provided by STL in combination with PSTL. In this paper we
discuss PSTL's design, show the challenges we faced, and how STL's
design would have to be extended to provide native support for
persistency.
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