[llvm] Proofread Benchmarking.rst (#155792)

Author: kazutakahirata

llvm/docs/Benchmarking.rst

@@ -17,24 +17,24 @@ for example.
 General
 ================================
 
-* Use a high resolution timer, e.g. perf under linux.
+* Use a high-resolution timer, e.g., perf under Linux.
 
 * Run the benchmark multiple times to be able to recognize noise.
 
 * Disable as many processes or services as possible on the target system.
 
-* Disable frequency scaling, turbo boost and address space
-  randomization (see OS specific section).
+* Disable frequency scaling, Turbo Boost and address space
+  randomization (see OS-specific section).
 
-* Static link if the OS supports it. That avoids any variation that
+* Use static linking if the OS supports it. That avoids any variation that
   might be introduced by loading dynamic libraries. This can be done
-  by passing ``-DLLVM_BUILD_STATIC=ON`` to cmake.
+  by passing ``-DLLVM_BUILD_STATIC=ON`` to CMake.
 
-* Try to avoid storage. On some systems you can use tmpfs. Putting the
+* Try to avoid storage. On some systems, you can use tmpfs. Putting the
   program, inputs and outputs on tmpfs avoids touching a real storage
   system, which can have a pretty big variability.
 
-  To mount it (on linux and freebsd at least)::
+  To mount it (on Linux and FreeBSD at least)::
 
     mount -t tmpfs -o size=<XX>g none dir_to_mount
 
@@ -52,7 +52,7 @@ Linux
      echo performance > $i
    done
 
-* Use https://github.com/lpechacek/cpuset to reserve cpus for just the
+* Use https://github.com/lpechacek/cpuset to reserve CPU cores for just the
   program you are benchmarking. If using perf, leave at least 2 cores
   so that perf runs in one and your program in another::
 
@@ -73,7 +73,7 @@ Linux
 
     cset shield --exec -- perf stat -r 10 <cmd>
 
-  This will run the command after ``--`` in the isolated cpus. The
+  This will run the command after ``--`` in the isolated CPU cores. The
   particular perf command runs the ``<cmd>`` 10 times and reports
   statistics.
 
@@ -82,6 +82,6 @@ With these in place you can expect perf variations of less than 0.1%.
 Linux Intel
 -----------
 
-* Disable turbo mode::
+* Disable Turbo Boost::
 
     echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo