Update docs on estimated time of running full asv suite (#36836)

Author: avinashpancham

doc/source/development/contributing.rst

@@ -1365,16 +1365,16 @@ environments. If you want to use virtualenv instead, write::
 The ``-E virtualenv`` option should be added to all ``asv`` commands
 that run benchmarks. The default value is defined in ``asv.conf.json``.
 
-Running the full test suite can take up to one hour and use up to 3GB of RAM.
-Usually it is sufficient to paste only a subset of the results into the pull
-request to show that the committed changes do not cause unexpected performance
-regressions.  You can run specific benchmarks using the ``-b`` flag, which
-takes a regular expression.  For example, this will only run tests from a
-``pandas/asv_bench/benchmarks/groupby.py`` file::
+Running the full benchmark suite can be an all-day process, depending on your
+hardware and its resource utilization. However, usually it is sufficient to paste
+only a subset of the results into the pull request to show that the committed changes
+do not cause unexpected performance regressions.  You can run specific benchmarks
+using the ``-b`` flag, which takes a regular expression. For example, this will
+only run benchmarks from a ``pandas/asv_bench/benchmarks/groupby.py`` file::
 
     asv continuous -f 1.1 upstream/master HEAD -b ^groupby
 
-If you want to only run a specific group of tests from a file, you can do it
+If you want to only run a specific group of benchmarks from a file, you can do it
 using ``.`` as a separator. For example::
 
     asv continuous -f 1.1 upstream/master HEAD -b groupby.GroupByMethods