DeepSpeed

6938c449 - Add snip_momentum structured pruning which can support higher sparse ratio with minor accuracy loss (#3300)

Add snip_momentum structured pruning which can support higher sparse ratio with minor accuracy loss (#3300) Signed-off-by: Tian, Feng <feng.tian@intel.com> Co-authored-by: Olatunji Ruwase <olruwase@microsoft.com>