Author: Tobias Weber <[email protected]>
Branch: c8-adaptive-trx-length
Changeset: r2047:ffbfa75ef055
Date: 2017-04-29 13:56 +0200
http://bitbucket.org/pypy/stmgc/changeset/ffbfa75ef055/
Log: Make sequential transactions inevitable
diff --git a/c8/stm/core.c b/c8/stm/core.c
--- a/c8/stm/core.c
+++ b/c8/stm/core.c
@@ -1166,6 +1166,9 @@
}
_do_start_transaction(tl);
+ if (number_of_segments_in_use() < 2) {
+ stm_become_inevitable(tl, "single thread mode");
+ }
if (repeat_count == 0) { /* else, 'nursery_mark' was already set
in abort_data_structures_from_segment_num() */
stm_update_transaction_length();
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