| sweep.py (11766:7c95caf53250) | sweep.py (11837:17b37f38944a) |
|---|---|
| 1# Copyright (c) 2014-2015 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 39 unchanged lines hidden (view full) --- 48 49# this script is helpful to sweep the efficiency of a specific memory 50# controller configuration, by varying the number of banks accessed, 51# and the sequential stride size (how many bytes per activate), and 52# observe what bus utilisation (bandwidth) is achieved 53 54parser = optparse.OptionParser() 55 | 1# Copyright (c) 2014-2015 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license --- 39 unchanged lines hidden (view full) --- 48 49# this script is helpful to sweep the efficiency of a specific memory 50# controller configuration, by varying the number of banks accessed, 51# and the sequential stride size (how many bytes per activate), and 52# observe what bus utilisation (bandwidth) is achieved 53 54parser = optparse.OptionParser() 55 |
| 56# Use a single-channel DDR3-1600 x64 by default 57parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64", | 56# Use a single-channel DDR3-1600 x64 (8x8 topology) by default 57parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8", |
| 58 choices=MemConfig.mem_names(), 59 help = "type of memory to use") 60 61parser.add_option("--mem-ranks", "-r", type="int", default=1, 62 help = "Number of ranks to iterate across") 63 64parser.add_option("--rd_perc", type="int", default=100, 65 help = "Percentage of read commands") --- 143 unchanged lines hidden --- | 58 choices=MemConfig.mem_names(), 59 help = "type of memory to use") 60 61parser.add_option("--mem-ranks", "-r", type="int", default=1, 62 help = "Number of ranks to iterate across") 63 64parser.add_option("--rd_perc", type="int", default=100, 65 help = "Percentage of read commands") --- 143 unchanged lines hidden --- |