Change Details

The `b2` boost build program runs with the available number of cores by default (see the `-j` option https://boostorg.github.io/build/manual/develop/index.html#bbv2.overview.invocation.options). Removing the `-j2` argument remove the limitation to 2 cores. I didn't change the install `-j4` parameter since I don't know where it comes from, and I doubt it would make any difference since this step will mostly copy files.

The `b2` boost build program runs with the available number of cores by default (see the `-j` option https://boostorg.github.io/build/manual/develop/index.html#bbv2.overview.invocation.options). Passing it `JOBS` allow for the user to limit the number of core to be used if he wants to. I didn't change the install `-j4` parameter since I don't know where it comes from, and I doubt it would make any difference since this step will mostly copy files.

The `b2` boost build program runs with the available number of cores by default (see the `-j` option https://boostorg.github.io/build/manual/develop/index.html#bbv2.overview.invocation.options). RemovPassing the `-j2` argument removeit `JOBS` allow for the user to limit the limitation to 2 coresnumber of core to be used if he wants to. I didn't change the install `-j4` parameter since I don't know where it comes from, and I doubt it would make any difference since this step will mostly copy files.