Update of /cvsroot/monetdb/pathfinder/compiler/xmlimport
In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv2881/compiler/xmlimport
Modified Files:
Tag: Nov2009
xml2lalg_converters.c
Log Message:
propagated changes of Monday Sep 28 2009 - Wednesday Oct 07 2009
from the Aug2009_NFI branch to the Nov2009 branch
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2009/09/28 - boncz: compiler/xmlimport/xml2lalg_converters.c,1.31.6.1
optimizations for NFI XIRAF use case -- thanks a great bunch Jan R.!!
- ds_link (already in Stable) optimized for 1-node case
- indices now contain all data (but still not used automatically, nor based
on Lefteris' new indexing schemes)
most prominently though is: subexpression result caching
- caching hints in pragmas
- query enclosed in (# pf:session id:msec ) { query } or (# pf:session-use
id:msec ) { query }
+ queries in the same session use the same working set (documents opened
only once)
+ same working set allows to cache results
+ pf:session-use only uses cache, cannot add to it
- but, multiple pf:session-use can run concurrently; whereas pf:session
is exclusive
- inside a query, an arbitrary number of expressions can be marked up for
caching/reuse
+ (# pf:cache id ) { subexpr }
+ subexpr may not be enclosed by a for-loop
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Index: xml2lalg_converters.c
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/xmlimport/xml2lalg_converters.c,v
retrieving revision 1.31
retrieving revision 1.31.4.1
diff -u -d -r1.31 -r1.31.4.1
--- xml2lalg_converters.c 12 Jun 2009 13:06:19 -0000 1.31
+++ xml2lalg_converters.c 7 Oct 2009 13:48:32 -0000 1.31.4.1
@@ -123,6 +123,7 @@
mapto (la_empty_frag, "EMPTY_FRAG")
mapto (la_error, "error")
mapto (la_nil, "nil")
+ mapto (la_cache, "cache")
mapto (la_trace, "trace")
mapto (la_trace_items, "trace items")
mapto (la_trace_msg, "trace msg")
@@ -471,6 +472,7 @@
mapto_fun_call_kind (alg_fun_call_xrpc)
mapto_fun_call_kind (alg_fun_call_xrpc_helpers)
mapto_fun_call_kind (alg_fun_call_tijah)
+ mapto_fun_call_kind (alg_fun_call_cache)
PFoops (OOPS_FATAL, "don't know what to do (%s)", s);
/* pacify picky compilers */
------------------------------------------------------------------------------
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