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Added elastic trace description to README

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Matthias Jung
2018-02-03 21:56:44 +01:00
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@@ -1107,8 +1107,35 @@ For further sophisticated address mappings or scenarios checkout the file DRAMSy
### DRAMSys with gem5 Elastic Traces
Some predefined configs are stored in dram.vp.system/DRAMSys/gem5/configs and the related python files are stored here: dram.vp.system/DRAMSys/gem5/examples
For understanding elastic traces and their generation, study the gem5 wiki
(http://gem5.org/TraceCPU) and the paper [13]. Some predefined configs are
stored in dram.vp.system/DRAMSys/gem5/configs and the related python files are
stored here: dram.vp.system/DRAMSys/gem5/examples
This is an example for running an elastic trace:
``` bash
./DRAMSys_gem5 /path/to/dram.vp.system/DRAMSys/library/resources/simulations/ddr3-example.xml ../../DRAMSys/gem5/configs/singleElasticTraceReplay.ini
```
Note that the address offset is usually zero for elastic traces.
If two elastic traces should be used the main.cpp must be modified:
``` c++
//#define CHOICE1
#define CHOICE2
//#define CHOICE3
```
Run the simulation with the following example:
```
./DRAMSys_gem5 /path/to/dram.vp.system/DRAMSys/library/resources/simulations/ddr3-example.xml ../../DRAMSys/gem5/configs/dualElasticTraceReplay.ini
```
For more spophisticated setups, even with l2 caches the proper ini file should be created.
If you need help please contact Matthias Jung.
## References
@@ -1150,5 +1177,12 @@ Thermal Investigations of ICs and Systems (THERMINIC'10), Barcelona, Spain,
[11] http://esl.epfl.ch/3D-ICE
[12] System Simulation with gem5 and SystemC: The Keystone for Full Interoperability
C. Menard, M. Jung, J. Castrillon, N. Wehn. IEEE International Conference on Embedded Computer Systems Architectures Modeling and Simulation (SAMOS), July, 2017, Samos Island, Greece.
[12] System Simulation with gem5 and SystemC: The Keystone for Full
Interoperability C. Menard, M. Jung, J. Castrillon, N. Wehn. IEEE International
Conference on Embedded Computer Systems Architectures Modeling and Simulation
(SAMOS), July, 2017, Samos Island, Greece.
[13] Exploring System Performance using Elastic Traces: Fast, Accurate and
Portable Radhika Jagtap, Stephan Diestelhorst, Andreas Hansson, Matthias Jung
and Norbert Wehn, IEEE International Conference on Embedded Computer Systems
Architectures Modeling and Simulation (SAMOS), 2016, Samos Island, Greece.