GPUCoalescer.py revision 11900
111308Santhony.gutierrez@amd.com# Copyright (c) 2015 Advanced Micro Devices, Inc. 211308Santhony.gutierrez@amd.com# All rights reserved. 311308Santhony.gutierrez@amd.com# 411308Santhony.gutierrez@amd.com# For use for simulation and test purposes only 511308Santhony.gutierrez@amd.com# 611308Santhony.gutierrez@amd.com# Redistribution and use in source and binary forms, with or without 711308Santhony.gutierrez@amd.com# modification, are permitted provided that the following conditions are met: 811308Santhony.gutierrez@amd.com# 911308Santhony.gutierrez@amd.com# 1. Redistributions of source code must retain the above copyright notice, 1011308Santhony.gutierrez@amd.com# this list of conditions and the following disclaimer. 1111308Santhony.gutierrez@amd.com# 1211308Santhony.gutierrez@amd.com# 2. Redistributions in binary form must reproduce the above copyright notice, 1311308Santhony.gutierrez@amd.com# this list of conditions and the following disclaimer in the documentation 1411308Santhony.gutierrez@amd.com# and/or other materials provided with the distribution. 1511308Santhony.gutierrez@amd.com# 1611308Santhony.gutierrez@amd.com# 3. Neither the name of the copyright holder nor the names of its contributors 1711308Santhony.gutierrez@amd.com# may be used to endorse or promote products derived from this software 1811308Santhony.gutierrez@amd.com# without specific prior written permission. 1911308Santhony.gutierrez@amd.com# 2011308Santhony.gutierrez@amd.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 2111308Santhony.gutierrez@amd.com# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2211308Santhony.gutierrez@amd.com# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2311308Santhony.gutierrez@amd.com# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 2411308Santhony.gutierrez@amd.com# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2511308Santhony.gutierrez@amd.com# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2611308Santhony.gutierrez@amd.com# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2711308Santhony.gutierrez@amd.com# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2811308Santhony.gutierrez@amd.com# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2911308Santhony.gutierrez@amd.com# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3011308Santhony.gutierrez@amd.com# POSSIBILITY OF SUCH DAMAGE. 3111308Santhony.gutierrez@amd.com# 3211308Santhony.gutierrez@amd.com# Authors: Steve Reinhardt 3311308Santhony.gutierrez@amd.com# Brad Beckmann 3411308Santhony.gutierrez@amd.com 3511308Santhony.gutierrez@amd.comfrom m5.params import * 3611308Santhony.gutierrez@amd.comfrom m5.proxy import * 3711308Santhony.gutierrez@amd.comfrom Sequencer import * 3811308Santhony.gutierrez@amd.com 3911900Sandreas.sandberg@arm.comclass RubyGPUCoalescer(RubyPort): 4011308Santhony.gutierrez@amd.com type = 'RubyGPUCoalescer' 4111308Santhony.gutierrez@amd.com cxx_class = 'GPUCoalescer' 4211308Santhony.gutierrez@amd.com cxx_header = "mem/ruby/system/GPUCoalescer.hh" 4311308Santhony.gutierrez@amd.com 4411308Santhony.gutierrez@amd.com # max_outstanding_requests = (wave front slots) x (wave front size) 4511308Santhony.gutierrez@amd.com max_outstanding_requests = Param.Int(40*64, 4611308Santhony.gutierrez@amd.com "max requests (incl. prefetches) outstanding") 4711308Santhony.gutierrez@amd.com assume_rfo = Param.Bool(True, "assume protocol implementes Read for " 4811308Santhony.gutierrez@amd.com "Ownership coherence"); 4911900Sandreas.sandberg@arm.com 5011900Sandreas.sandberg@arm.com icache = Param.RubyCache("") 5111900Sandreas.sandberg@arm.com dcache = Param.RubyCache("") 5211900Sandreas.sandberg@arm.com deadlock_threshold = Param.Cycles(500000, 5311900Sandreas.sandberg@arm.com "max outstanding cycles for a request before " \ 5411900Sandreas.sandberg@arm.com "deadlock/livelock declared") 5511900Sandreas.sandberg@arm.com garnet_standalone = Param.Bool(False, "") 5611900Sandreas.sandberg@arm.com dcache_hit_latency = Param.Cycles(1, "Data cache hit latency") 57