| # 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(RubyPort): |
| 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"); |
| |
| icache = Param.RubyCache("") |
| dcache = Param.RubyCache("") |
| deadlock_threshold = Param.Cycles(500000, |
| "max outstanding cycles for a request before " \ |
| "deadlock/livelock declared") |
| garnet_standalone = Param.Bool(False, "") |
| dcache_hit_latency = Param.Cycles(1, "Data cache hit latency") |