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@@ -753,13 +753,20 @@ void _starpu_request_mem_chunk_removal(starpu_data_handle_t handle, struct _star
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STARPU_PTHREAD_RWLOCK_UNLOCK(&mc_rwlock[node]);
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- /* We would never flush the node 0 cache, unless
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- * malloc() returns NULL, which is very unlikely... */
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+ /* We would only flush the RAM nodes cache if memory gets tight, either
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+ * because StarPU automatically knows the total memory size of the
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+ * machine, or because the user has provided a limitation.
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+ *
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+ * We don't really want the former scenario to be eating a lot of
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+ * memory just for caching allocations. Allocating main memory is cheap
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+ * anyway.
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+ */
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/* This is particularly important when
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* STARPU_USE_ALLOCATION_CACHE is not enabled, as we
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* wouldn't even re-use these allocations! */
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if (starpu_node_get_kind(node) == STARPU_CPU_RAM)
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{
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+ /* Free data immediately */
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free_memory_on_node(mc, node);
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free(mc->chunk_interface);
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