# PETSc Options, IO, and System Utilities

PETSc provides a variety of "system" level routines, including parallel file
access, graphics, options management, and synchronized printing to screen.

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Source files
<p><a href="cupminterface.cxx.html">cupminterface.cxx</a><br>
<a href="cupmdevice.hpp.html">cupmdevice.hpp</a><br>
<a href="cupmsolverinterface.cxx.html">cupmsolverinterface.cxx</a><br>
<a href="cupmcontext.hpp.html">cupmcontext.hpp</a><br>
<a href="cupmstream.hpp.html">cupmstream.hpp</a><br>
<a href="cupmblasinterface.cxx.html">cupmblasinterface.cxx</a><br>
<a href="cupmallocator.hpp.html">cupmallocator.hpp</a><br>
<a href="cupmevent.hpp.html">cupmevent.hpp</a><br>
<a href="cupmdevice.cxx.html">cupmdevice.cxx</a><br>
<a href="cupmthrustutility.hpp.html">cupmthrustutility.hpp</a><br>
<a href="kernels.hpp.html">kernels.hpp</a><br>

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Directories
<p><a href="cuda/index.html">cuda</a><br>
<a href="hip/index.html">hip</a><br>