Changes between Version 33 and Version 34 of DataParallel/Replicate

Timestamp:

08/16/11 06:18:03 (22 months ago)

Author:

chak

Comment:

--

DataParallel/Replicate

@@ -116 +116 @@
 vsegs: [:0, 0, 0:]
 pstart: [:0:]
-plen:   [ 3:]
+plen:   [:3:]
 data:  [:1, 2, 3:])
 }}}
@@ -129 +129 @@
 will now be
 {{{
-start: [:0, 0, 1, 1, 1:]
-len:   [:2, 1:]
+vsegs: [:0, 0, 1, 1, 1:]
+pstart: [0, 2:]
+plen:  [:2, 1:]
 data:  [:1, 2, 3:])
 }}}
@@ -152 +153 @@
 With overlapping segments, we have
 {{{
-(as_start, as_len, as_data) !:^ is = bpermutePA as_data (as_start +^ is)
-}}}
-In the case of `smvm`, where the first argument is produced by `replicatePA (lengthPA row) v`, we have `as_start = replicatePA (lengthPA row) 0` and `as-data = v`.  In other words, lifted indexing draws from a single copy of `v`, which is what we wanted.
+(as_vsegs, as_pstart, as_plen, as_data) !:^ is = bpermutePA as_data (bpermutePA as_start as_vsegs +^ is)
+}}}
+In the case of `smvm`, where the first argument is produced by `replicatePA (lengthPA row) v`, we have `as_vsegs = replicatePA (lengthPA row) 0` and `as-data = v`.  In other words, lifted indexing draws from a single copy of `v`, which is what we wanted.
 
 === Reduction ===