gpu-compute: AMD's baseline GPU model

1 files changed, 48 insertions, 0 deletions

diff --git a/src/mem/ruby/system/GPUCoalescer.py b/src/mem/ruby/system/GPUCoalescer.py
new file mode 100644
index 000000000..0c19f875d
--- /dev/null
+++ b/src/mem/ruby/system/GPUCoalescer.py
@@ -0,0 +1,48 @@
+#  Copyright (c) 2015 Advanced Micro Devices, Inc.
+#  All rights reserved.
+#
+#  For use for simulation and test purposes only
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#
+#  1. Redistributions of source code must retain the above copyright notice,
+#  this list of conditions and the following disclaimer.
+#
+#  2. 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.
+#
+#  3. Neither the name of the copyright holder nor the names of its contributors
+#  may be used to endorse or promote products derived from this software
+#  without specific prior written permission.
+#
+#  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 HOLDER 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.
+#
+# Authors: Steve Reinhardt
+#          Brad Beckmann
+
+from m5.params import *
+from m5.proxy import *
+from Sequencer import *
+
+class RubyGPUCoalescer(RubySequencer):
+   type = 'RubyGPUCoalescer'
+   cxx_class = 'GPUCoalescer'
+   cxx_header = "mem/ruby/system/GPUCoalescer.hh"
+
+   # max_outstanding_requests = (wave front slots) x (wave front size)
+   max_outstanding_requests = Param.Int(40*64,
+                                "max requests (incl. prefetches) outstanding")
+   assume_rfo = Param.Bool(True, "assume protocol implementes Read for "
+                           "Ownership coherence");