MonetDB: Dec2023 - Reduce number of atomic instructions.

[Sjoerd Mullender via checkin-list]

Changeset: b47e84bc0070 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/b47e84bc0070
Modified Files:
        gdk/gdk_bbp.c
Branch: Dec2023
Log Message:

Reduce number of atomic instructions.


diffs (22 lines):

diff --git a/gdk/gdk_bbp.c b/gdk/gdk_bbp.c
--- a/gdk/gdk_bbp.c
+++ b/gdk/gdk_bbp.c
@@ -1666,7 +1666,8 @@ BBPjson_upgrade(json_storage_conversion 
        bat bid;
        BAT *b;
        int JSON_type = ATOMindex("json");
-       bat *upd = GDKmalloc(sizeof(bat) * (size_t) ATOMIC_GET(&BBPsize));
+       bat nbat = (bat) ATOMIC_GET(&BBPsize);
+       bat *upd = GDKmalloc(sizeof(bat) * (size_t) nbat);
        int nupd = 0;
 
        if (upd == NULL) {
@@ -1677,7 +1678,7 @@ BBPjson_upgrade(json_storage_conversion 
 
        BBPlock();
 
-       for (bid = 1; bid < (bat) ATOMIC_GET(&BBPsize); bid++) {
+       for (bid = 1; bid < nbat; bid++) {
                if ((b = BBP_desc(bid)) == NULL) {
                        /* not a valid BAT */
                        continue;
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