The assignment can be found here. Essentially, assignment 2 is to finish the implementation of a map, and then perform some timing experiments on them to report your findings. So yes, both implementation and reports will be graded 50% each. Full description of the assignment is contained in the documentation in the zip file. After downloading the zip file, here is some helpful things:
make docs from either sun.cse.tamu.edu or
unix.cse.tamu.edu. The documentation was done in Doxygen (for your
own knowledge).make, i.e., all the
compilation commands are set up already for linux.cse.tamu.edu.
Remember to run timing experiments on compute.cse.tamu.edu.