squall/cutlass
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Update predicated_tile_iterator.h

Browse Source
This commit is contained in:
Tian Jin 2021-07-05 12:06:41 -04:00 committed by GitHub
parent 856d4db3fb
commit 4647c57243
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/cutlass/transform/threadblock/predicated_tile_iterator.h
View File

@ -65,14 +65,14 @@ namespace threadblock {
/// Adding a logical coordinate offset may be performed at the time the iterator is constructed.
/// Subsequent additions to logical coordinate offset may be performed but are relatively expensive.
///
/// Vistitation order is intended to first visit a "residual" tile that may be partially full in
/// Visitation order is intended to first visit a "residual" tile that may be partially full in
/// both the advance dimension and the steady-state dimension. This is assumed to be the last
/// tile in the iteration sequence. Advancing an iterator that has just been constructed moves to
/// the first tile that is full in the advance dimension and recomputes predicates. Subsequent
/// accesses may be performed without updating internal predicates and are efficient in terms of
/// live register state and pointer arithmetic instructions.
///
/// To be efficient, this assumes the iteraor will be dereferenced and advanced at least once
/// To be efficient, this assumes the iterator will be dereferenced and advanced at least once
/// outside any looping structure to minimize integer arithmetic.
///
/// Acceses out of bounds are safe so long as `clear_mask()` is called prior to dereferencing