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| author | Andreas Hansson <andreas.hansson@arm.com> | 2014-03-23 11:12:10 -0400 |
|---|---|---|
| committer | Andreas Hansson <andreas.hansson@arm.com> | 2014-03-23 11:12:10 -0400 |
| commit | 3dd1587afc48e8d2b870253de689bbe7262fcbe6 (patch) | |
| tree | a521821514c95b8cf285e6f917d3f6f4296ab639 | |
| parent | bbbae677ed179c819db124a54a7a011df042ef85 (diff) | |
| download | gem5-3dd1587afc48e8d2b870253de689bbe7262fcbe6.tar.xz | |
mem: Change memory defaults to be more representative
Make the default memory type DDR3-1600 x64, and use the open-adaptive
page policy. This change is aiming to ensure that users by default are
using a realistic memory system.
| -rw-r--r-- | configs/common/Options.py | 2 | ||||
| -rw-r--r-- | src/mem/SimpleDRAM.py | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/configs/common/Options.py b/configs/common/Options.py index 209d24357..e5069dc84 100644 --- a/configs/common/Options.py +++ b/configs/common/Options.py @@ -85,7 +85,7 @@ def addCommonOptions(parser): parser.add_option("--list-mem-types", action="callback", callback=_listMemTypes, help="List available memory types") - parser.add_option("--mem-type", type="choice", default="simple_mem", + parser.add_option("--mem-type", type="choice", default="ddr3_1600_x64", choices=MemConfig.mem_names(), help = "type of memory to use") parser.add_option("--mem-channels", type="int", default=1, diff --git a/src/mem/SimpleDRAM.py b/src/mem/SimpleDRAM.py index 514ff3664..5c705f14e 100644 --- a/src/mem/SimpleDRAM.py +++ b/src/mem/SimpleDRAM.py @@ -72,7 +72,7 @@ class SimpleDRAM(AbstractMemory): port = SlavePort("Slave port") # the basic configuration of the controller architecture - write_buffer_size = Param.Unsigned(32, "Number of write queue entries") + write_buffer_size = Param.Unsigned(64, "Number of write queue entries") read_buffer_size = Param.Unsigned(32, "Number of read queue entries") # threshold in percent for when to forcefully trigger writes and @@ -90,7 +90,7 @@ class SimpleDRAM(AbstractMemory): # scheduler, address map and page policy mem_sched_policy = Param.MemSched('frfcfs', "Memory scheduling policy") addr_mapping = Param.AddrMap('RoRaBaChCo', "Address mapping policy") - page_policy = Param.PageManage('open', "Page closure management policy") + page_policy = Param.PageManage('open_adaptive', "Page management policy") # enforce a limit on the number of accesses per row max_accesses_per_row = Param.Unsigned(16, "Max accesses per row before " |