Add in commands to run the GCC and Intel benchmarks

Author: mborland

doc/modules/ROOT/pages/benchmarks.adoc

@@ -24,6 +24,13 @@ To run the benchmarks yourself, navigate to the test folder and define `BOOST_DE
 An example on Linux with b2: `../../../b2 cxxstd=20 toolset=gcc-13 define=BOOST_DECIMAL_RUN_BENCHMARKS benchmarks -a release`, or
 `../../../b2 cxxstd=20 toolset=gcc-13 define=BOOST_DECIMAL_RUN_BENCHMARKS=1,BOOST_DECIMAL_BENCHMARK_CHARCONV=1 benchmarks -a release` to also run the `<charconv>` benchmarks
 
+To run the GCC benchmarks you can use the following command: `gcc benchmark_libdfp.c -O3 -std=c17` followed by: `./a.out`
+
+To run the Intel benchmarks you will need both the https://www.intel.com/content/www/us/en/developer/tools/oneapi/overview.html[Intel Compiler], and the https://www.intel.com/content/www/us/en/developer/articles/tool/intel-decimal-floating-point-math-library.html[library].
+You can the use the following command: `icx benchmark_libbid.c -O3 $PATH_TO_LIBBID/libbid.a -std=c17` followed by: `./a.out`
+
+NOTE: The Intel benchmarks can only be run on one of their supported architectures: IA-32, IA-64, and Intel x64
+
 == Methodology
 
 === Comparisons