Opened 7 years ago
Last modified 2 months ago
#13554 assigned enhancement
Switch system allocator — at Version 1
| Reported by: | waddlesplash | Owned by: | nobody |
|---|---|---|---|
| Priority: | high | Milestone: | Unscheduled |
| Component: | System/libroot.so | Version: | R1/Development |
| Keywords: | Cc: | ||
| Blocked By: | Blocking: | ||
| Platform: | All |
Description (last modified by )
We presently use an old version of the Hoard allocator, which is licensed under the LGPLv2. Newer versions are GPL or commercial license only, which is obviously not acceptable.
Benchmarks done by the Lockless group also show that the Hoard allocator has a very worrying performance dropoff for larger allocations, see https://locklessinc.com/benchmarks_allocator.shtml
Change History (1)
comment:1 by , 6 years ago
| Description: | modified (diff) |
|---|---|
| Summary: | Investigate switching allocators → Switch system allocator |
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PulkoMandy has some (slightly old) notes in #7420. He also links to lockless' allocator benchmark page.
One of the musl libc developers has a more comprehensive analysis of the problems with jemalloc here: http://www.openwall.com/lists/musl/2018/04/23/2 -- so it looks like it's not the best choice for us.