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### DESTINY : 3D dEsign-Space exploraTIon Tool for SRAM, eDRAM and Non-volatile memorY
Oak Ridge National Laboratory
Penn State University
University of California, Santa Barbara
webpage: https://code.ornl.gov/3d_cache_modeling_tool/destiny
mailing list: destiny-help@elist.ornl.gov
20 Feb 2015
### Overview
DESTINY is an acronym for 3D dEsign-Space exploraTIon tool for SRAM, eDRAM and Non-volatile memorY.
DESTINY is an acronym for 3D dEsign-Space exploraTIon Tool for SRAM, eDRAM and Non-volatile memorY.
In its purpose, DESTINY is similar to CACTI, CACTI-3DD or NVSim.
DESTINY is a tool for modeling both 2D and 3D caches designed with five prominent memory technologies:
SRAM, eDRAM (embedded DRAM), PCM (or PCRAM), STT-RAM (or STT-MRAM) and ReRAM (or RRAM), which covers
both conventional and emerging technologies and both volatile and non-volatile memory technologies. DESTINY has been validated against several
both conventional and emerging technologies. DESTINY has been validated against several
commercial prototypes. It can be used to model technology nodes ranging from 22nm to 180nm.
Thus, DESTINY is intended to be a comprehensive tool.
Matthew Poremba and Sparsh Mittal are lead-developers of DESTINY.
DESTINY utilizes the framework for modeling 2D SRAM and 2D NVM from NVSim.
Also, the coarse- and fine-grained TSV (through silicon via) models are utilized from CACTI-3DD.
### Sponsors
This work was supported by the Office of Advanced Scientific Computing Research in
the U.S. Department of Energy, under the project “Blackcomb - Hardware-Software
Co-design for Non-Volatile Memory in Exascale Systems” (https://ft.ornl.gov/trac/blackcomb/).
For information, please see our webpage http://ft.ornl.gov/.
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### Relevant papers, acknowledgement and contact information
......@@ -28,9 +50,11 @@ Sparsh Mittal, Matthew Poremba, Jeffrey S Vetter and Yuan Xie, "Exploring Desig
of 3D NVM and eDRAM Caches Using DESTINY Tool", ORNL Technical Report no. ORNL/TM-2014/636, 2014
(available here http://goo.gl/qzyWFE).
This work was supported by the Office of Advanced Scientific Computing Research in the U.S. Department of Energy, under the project “Blackcomb - Hardware-Software Co-design for Non-Volatile Memory in Exascale Systems” (https://ft.ornl.gov/trac/blackcomb/). For more information, please see our webpage http://ft.ornl.gov/.
Support for DESTINY is provided on a best-effort basis. For receiving announcements,
or sending questions and comments, please subscribe to the mailing list
destiny-help@elist.ornl.gov by visiting the following
webpage: https://elist.ornl.gov/mailman/listinfo/destiny-help
Support for DESTINY is provided on a best-effort basis. For receiving announcements, or sending questions and comments, please subscribe to the mailing list destiny-help@elist.ornl.gov by visiting the following webpage: https://elist.ornl.gov/mailman/listinfo/destiny-help
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......@@ -53,7 +77,6 @@ DESTINY must be compiled with a user-specified configuration files, as follows:
-StackedDieCount - Number of dies over which the memory is distributed
-PartitionGranularity -
0: Coarse granularity: This assumes that address, control, and data signals are
broadcast to all stacked dies and decoded on the destination die.
......@@ -62,7 +85,6 @@ separate logic layer and the undecoded address signals are broadcast to all
stacked dies. The control and data are still shared.
Note that the total number of dies in fine granularity is StackedDieCount + 1
-LocalTSVProjection:
0: Use aggressive TSV projection from ITRS for local TSVs.
1: Use conservative values from industry measurements for local TSVs
......@@ -86,8 +108,6 @@ assumed for each TSV cluster for fault tolerance / TSV yield issues.
-MonolithicStackCount: Integer value e.g., 1, 2, 4. This is the number of memory
layers on the *same* die which are monolithically stacked.
Other important parameters added:
-AllowDifferenceTagTech: Allow the tag array of a cache to be a different
......@@ -117,6 +137,3 @@ modeling other memory technologies such as race-track memory (domain wall memory
We welcome any contribution from the end-users of DESTINY.