| Glossary |
| ======== |
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| .. glossary:: |
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| $VTR_ROOT |
| The directory containing the root of the VTR source tree. |
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| For instance, if you extracted/cloned the VTR source into ``/home/myusername/vtr``, your ``$VTR_ROOT`` would be ``/home/myusername/vtr``. |
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| MWTA |
| Minimum Width Transitor Area (MWTA) is a simple process technology independent unit for measuring circuit area. |
| It corresponds to the size the smallest (minimum width) transistor area. |
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| For example, a 1x (unit-sized) CMOS inverter consists of two minimum width transistors (a PMOS pull-up, and NMOS pull-down). |
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| For more details see :cite:`betz_arch_cad` (the original presentation of the MWTA model), and :cite:`chiasson_coffe` (an updated MWTA model). |