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Enable per-tcache tcache_max

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1. add tcache_max and nhbins into tcache_t so that they are per-tcache,
   with one auto tcache per thread, it's also per-thread;
2. add mallctl for each thread to set its own tcache_max (of its auto tcache);
3. store the maximum number of items in each bin instead of using a global storage;
4. add tests for the modifications above.
5. Rename `nhbins` and `tcache_maxclass` to `global_do_not_change_nhbins` and `global_do_not_change_tcache_maxclass`.
This commit is contained in:
guangli-dai 2023-08-06 11:38:30 -07:00 • committed by Qi Wang
parent fbca96c433
commit a442d9b895
15 changed files with 528 additions and 222 deletions
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2
test/unit/batch_alloc.c
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@ -168,7 +168,7 @@ TEST_BEGIN(test_batch_alloc_large) {
assert_zu_eq(filled, batch, "");
release_batch(global_ptrs, batch, size);
}
size = tcache_maxclass + 1;
size = global_do_not_change_tcache_maxclass + 1;
for (size_t batch = 0; batch < 4; ++batch) {
assert(batch < BATCH_MAX);
size_t filled = batch_alloc(global_ptrs, batch, size, 0);