CQRRPT and Randomized SVD

CQRRPT and Randomized SVD#

CQRRPT runtime on m = 16 768

CQRRPT runtime (s) vs number of columns n for m=16768: Panther CQRRPT vs standard pivoted QR

CQRRPT runtime on m = 8 192

CQRRPT runtime (s) vs number of columns n for m=8192: Panther CQRRPT vs standard pivoted QR

CQRRPT reconstruction error on m = 8 192

CQRRPT relative reconstruction error vs number of columns n for m=8192

CQRRPT reconstruction error on m = 16 768

CQRRPT relative reconstruction error vs number of columns n for m=16768

RSVD runtime

Randomized SVD runtime (s) vs target rank k: Panther RSVD vs exact truncated SVD

RSVD memory

Randomized SVD GPU memory usage (GB) vs target rank k: Panther RSVD vs exact truncated SVD

RSVD error

Randomized SVD relative reconstruction error vs target rank k