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Sagar Karandikar 2022-07-06 20:58:35 +00:00
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docs/Advanced-Usage/Debugging-in-Software/RTL-Simulation.rst
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@ -23,7 +23,7 @@ As a final note, metasimulations are generally only slightly slower than
target-level simulations. Example performance numbers can be found at target-level simulations. Example performance numbers can be found at
:ref:`metasimulation-performance`. :ref:`metasimulation-performance`.
.. _metasimulation-supported-host-sims .. _metasimulation-supported-host-sims:
Supported Host Simulators Supported Host Simulators
---------------------------------------------------- ----------------------------------------------------
@ -317,8 +317,8 @@ waveform dumping.
Metasimulation vs. Target simulation performance Metasimulation vs. Target simulation performance
--------------------------------------------------------- ---------------------------------------------------------
Generally, metasimulators are only slightly slower than target-level Generally, metasimulations are only slightly slower than target-level
ones. This illustrated in the chart below. simulations. This is illustrated in the chart below.
====== ===== ======= ========= ============= ============= ====== ===== ======= ========= ============= =============
Type Waves VCS Verilator Verilator -O1 Verilator -O2 Type Waves VCS Verilator Verilator -O1 Verilator -O2
@ -342,7 +342,7 @@ Meta On 35s 49s 5m27s 6m33s
Notes: Default configurations of a single-core, Rocket-based instance running Notes: Default configurations of a single-core, Rocket-based instance running
``rv64ui-v-add``. Frequencies are given in target-Hz. Presently, the default ``rv64ui-v-add``. Frequencies are given in target-Hz. Presently, the default
compiler flags passed to Verilator and VCS differ from level to level. Hence, compiler flags passed to Verilator and VCS differ from level to level. Hence,
these numbers are only intended to ball park simulation speeds, not provide these numbers are only intended to give ball park simulation speeds, not provide
a scientific comparison between simulators. VCS numbers collected on a local a scientific comparison between simulators. VCS numbers collected on a local
Berkeley machine, Verilator numbers collected on a ``c4.4xlarge``. Berkeley machine, Verilator numbers collected on a ``c4.4xlarge``.
(metasimulation Verilator version: 4.002, target-level Verilator version: (metasimulation Verilator version: 4.002, target-level Verilator version: