From 7f49fe9feb174d34efc2a011bad79b38522a360b Mon Sep 17 00:00:00 2001 From: Dongdong Li Date: Thu, 8 Aug 2013 00:15:58 -0800 Subject: Intesim2 Integration Details: See Review 80001 https://gpgpu-sim-code-review.appspot.com/80001/ [git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16747] --- src/intersim2/buffer.cpp | 83 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/intersim2/buffer.cpp (limited to 'src/intersim2/buffer.cpp') diff --git a/src/intersim2/buffer.cpp b/src/intersim2/buffer.cpp new file mode 100644 index 0000000..25f78e9 --- /dev/null +++ b/src/intersim2/buffer.cpp @@ -0,0 +1,83 @@ +// $Id: buffer.cpp 5188 2012-08-30 00:31:31Z dub $ + +/* + Copyright (c) 2007-2012, Trustees of The Leland Stanford Junior University + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or + other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include + +#include "globals.hpp" +#include "booksim.hpp" +#include "buffer.hpp" + +Buffer::Buffer( const Configuration& config, int outputs, + Module *parent, const string& name ) : +Module( parent, name ), _occupancy(0) +{ + int num_vcs = config.GetInt( "num_vcs" ); + + _size = config.GetInt("buf_size"); + if(_size < 0) { + _size = num_vcs * config.GetInt( "vc_buf_size" ); + }; + + _vc.resize(num_vcs); + + for(int i = 0; i < num_vcs; ++i) { + ostringstream vc_name; + vc_name << "vc_" << i; + _vc[i] = new VC(config, outputs, this, vc_name.str( ) ); + } + +#ifdef TRACK_BUFFERS + int classes = config.GetInt("classes"); + _class_occupancy.resize(classes, 0); +#endif +} + +Buffer::~Buffer() +{ + for(vector::iterator i = _vc.begin(); i != _vc.end(); ++i) { + delete *i; + } +} + +void Buffer::AddFlit( int vc, Flit *f ) +{ + if(_occupancy >= _size) { + Error("Flit buffer overflow."); + } + ++_occupancy; + _vc[vc]->AddFlit(f); +#ifdef TRACK_BUFFERS + ++_class_occupancy[f->cl]; +#endif +} + +void Buffer::Display( ostream & os ) const +{ + for(vector::const_iterator i = _vc.begin(); i != _vc.end(); ++i) { + (*i)->Display(os); + } +} -- cgit v1.3