Implemented serial version of root set algorithm
Modified partition index tracking to avoid data races when parallelized
Parallel atomic counter implemented
Better async coloring code
Better async coloring code
Work efficient span optimal algo
Pagerank gauss seidel
Stencil version of pagerank
checkpoint
jacobi method
Dense Jacobi
G-S dense
tseting segmentation
more segmentation
fix lint errors
minor changes
Merge branch 'master' into save3