It would be interesting to have a comparison based on locally built binaries both with and without these features enabled.
Performing the tests on packing the actual 7-Zip source code (as shipped without extras) would be a valid reference suite.
Performing the tests on packing the actual 7-Zip source code (as shipped without extras) would be a valid reference suite.
Stack canaries might cause a slight performance hit, but it is usually below one percent, since it creates only a small cost per function call for a fraction of all functions.