Wangyang Guo 226e3b0a41 malloc: Add tcache path for calloc ...

This commit add tcache support in calloc() which can largely improve
the performance of small size allocation, especially in multi-thread
scenario. tcache_available() and tcache_try_malloc() are split out as
a helper function for better reusing the code.

Also fix tst-safe-linking failure after enabling tcache. In previous,
calloc() is used as a way to by-pass tcache in memory allocation and
trigger safe-linking check in fastbins path. With tcache enabled, it
needs extra workarounds to bypass tcache.

Result of bench-calloc-thread benchmark

Test Platform: Xeon-8380
Ratio: New / Original time_per_iteration (Lower is Better)

Threads#   | Ratio
-----------|------
1 thread   | 0.656
4 threads  | 0.470
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

2024-12-11 11:34:47 +08:00

..

alloc_buffer_alloc_array.c

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alloc_buffer_allocate.c

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alloc_buffer_copy_bytes.c

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alloc_buffer_copy_string.c

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alloc_buffer_create_failure.c

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arena.c

Silence most -Wzero-as-null-pointer-constant diagnostics

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Depend

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dynarray_at_failure.c

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dynarray_emplace_enlarge.c

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dynarray_finalize.c

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dynarray_resize_clear.c

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dynarray_resize.c

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dynarray-skeleton.c

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dynarray.h

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hooks.c

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Makefile

malloc: Link threading tests with $(shared-thread-library)

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malloc-check.c

Silence most -Wzero-as-null-pointer-constant diagnostics

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malloc-debug.c

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malloc-internal.h

malloc: Optimize small memory clearing for calloc

2024-12-04 04:28:15 +08:00

malloc.c

malloc: Add tcache path for calloc

2024-12-11 11:34:47 +08:00

malloc.h

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mallocbug.c

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mcheck-impl.c

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mcheck-init.c

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mcheck.c

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mcheck.h

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memusage.c

Fix usage of _STACK_GROWS_DOWN and _STACK_GROWS_UP defines [BZ 31989]

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memusage.sh

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memusagestat.c

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morecore.c

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mtrace-impl.c

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mtrace.c

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mtrace.pl

mtrace: make shell commands robust against meta characters

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obstack.c

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obstack.h

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reallocarray.c

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scratch_buffer_grow_preserve.c

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scratch_buffer_grow.c

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scratch_buffer_set_array_size.c

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set-freeres.c

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thread-freeres.c

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tst-aligned_alloc-lib.c

malloc: avoid global locks in tst-aligned_alloc-lib.c

2024-07-22 11:54:46 +02:00

tst-aligned-alloc-random-thread-cross.c

malloc: add multi-threaded tests for aligned_alloc/calloc/malloc

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tst-aligned-alloc-random-thread.c

malloc: add multi-threaded tests for aligned_alloc/calloc/malloc

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tst-aligned-alloc-random.c

malloc: Improve aligned_alloc and calloc test coverage.

2024-05-14 14:36:50 +00:00

tst-aligned-alloc-static.c

aligned_alloc: conform to C17

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tst-aligned-alloc.c

malloc: add indirection for malloc(-like) functions in tests [BZ #32366]

2024-12-10 01:50:56 +00:00

tst-alloc_buffer.c

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tst-calloc.c

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tst-compathooks-off.c

malloc: add indirection for malloc(-like) functions in tests [BZ #32366]

2024-12-10 01:50:56 +00:00

tst-compathooks-on.c

Move malloc hooks into a compat DSO

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tst-dynarray-at-fail.c

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tst-dynarray-fail.c

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tst-dynarray-shared.h

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tst-dynarray.c

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tst-free-errno.c

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tst-interpose-aux-nothread.c

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tst-interpose-aux-thread.c

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tst-interpose-aux.c

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tst-interpose-aux.h

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tst-interpose-nothread.c

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tst-interpose-skeleton.c

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tst-interpose-static-nothread.c

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tst-interpose-static-thread.c

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tst-interpose-thread.c

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tst-mallinfo2.c

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tst-malloc_info.c

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tst-malloc-alternate-path.c

malloc: New test to check malloc alternate path using memory obstruction

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tst-malloc-aux.h

malloc: add indirection for malloc(-like) functions in tests [BZ #32366]

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tst-malloc-backtrace.c

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tst-malloc-check.c

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tst-malloc-fork-deadlock.c

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tst-malloc-random.c

malloc: Improve aligned_alloc and calloc test coverage.

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tst-malloc-stats-cancellation.c

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tst-malloc-tcache-leak.c

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tst-malloc-thread-exit.c

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tst-malloc-thread-fail.c

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tst-malloc-too-large.c

malloc: add indirection for malloc(-like) functions in tests [BZ #32366]

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tst-malloc-usable-tunables.c

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tst-malloc-usable.c

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tst-malloc.c

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tst-mallocalign1.c

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tst-mallocfork2.c

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tst-mallocfork3.c

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tst-mallocfork.c

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tst-mallocstate.c

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tst-mallopt.c

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tst-memalign-2.c

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tst-memalign-3.c

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tst-memalign.c

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tst-mtrace.c

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tst-mtrace.sh

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tst-mxfast.c

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tst-obstack.c

Avoid -Wuse-after-free in tests [BZ #26779].

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tst-posix_memalign.c

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tst-pvalloc-fortify.c

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tst-pvalloc.c

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tst-realloc.c

malloc: add indirection for malloc(-like) functions in tests [BZ #32366]

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tst-reallocarray.c

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tst-safe-linking.c

malloc: Add tcache path for calloc

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tst-scratch_buffer.c

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tst-tcfree1.c

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tst-tcfree2.c

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tst-tcfree3.c

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tst-trim1.c

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tst-valloc.c

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Versions

Remove unused scratch_buffer_dupfree

2022-10-28 18:43:58 +01:00