zimalloc is a zig port of mimalloc
C · active 2025-02-04 → 2026-08-09 (UTC)
Activity over time
Daily event counts in the loaded window
Line chart, 552 days from 2025-02-04 to 2026-08-09. Pushes: 411 total, peak 21 in a day. Pull requests: 59 total, peak 3 in a day. Issues: 126 total, peak 6 in a day. Comments: 397 total, peak 13 in a day. Stars: 898 total, peak 14 in a day.
- Pushes
- Pull requests
- Issues
- Comments
- Stars
Stars, PRs, issues and forks are under-captured in the later part of this window. GH Archive progressively stopped capturing non-push events during 2026 — −95% or worse by the end of the window. Every series here except Pushes fades for that reason, so a decline above reflects the archive, not this repository. Pushes stay reliable throughout, so read them, and the contributor counts derived from them, as the real signal. Data health has the measurements.
Top contributors
Pushes, PRs, issues, reviews and comments — stars and forks excluded, so this is contribution rather than popularity
| Contributor | Contributions | Pushes | PRs | Comments |
|---|---|---|---|---|
| daanx | 572 | 398 | 22 | 132 |
| Noxybot | 59 | 0 | 8 | 35 |
| github-actions[bot] | 20 | 0 | 0 | 5 |
| res2k | 15 | 0 | 0 | 15 |
| pitrou | 13 | 0 | 0 | 11 |
| malkia | 11 | 0 | 0 | 8 |
| gugavaro | 11 | 9 | 2 | 0 |
| microsoft-github-policy-service[bot] | 10 | 0 | 0 | 10 |
| kamulos | 8 | 0 | 0 | 7 |
| Jura-Z | 7 | 0 | 0 | 5 |
| jm4games | 7 | 0 | 2 | 5 |
| dg0yt | 7 | 0 | 2 | 4 |
| keden-greg | 6 | 0 | 0 | 4 |
| reneleonhardt | 6 | 0 | 0 | 5 |
| bazineta | 6 | 0 | 2 | 3 |
| akrieger | 6 | 0 | 2 | 3 |
| Zoxc | 6 | 0 | 0 | 4 |
| Havunen | 5 | 0 | 0 | 2 |
| NRTnarathip | 5 | 0 | 0 | 3 |
| jinpzhanAMD | 5 | 0 | 2 | 3 |
Recent activity
Latest issues, pull requests and releases
- Issue#1068github-actions[bot]2026-08-07 21:25Can hit assertion failure related to segment_slices with a relatively specific allocation size
- Issue#1080github-actions[bot]2026-08-07 21:25mimalloc with NDK
- Issue comment#1313daanx2026-07-14 16:29Segfault with 1 arena through `mi_manage_os_memory_ex` and multiple per-thread heaps through `mi_heap_new_in_arena`
- Issue#802github-actions[bot]2026-07-08 21:38error: 'large_os_page_size' undeclared
- Issue#1291daanx2026-07-08 20:04Illegal instruction on old CPU and v3.2.x or 3.3.x when compiling with VS2026
- Issue#833github-actions[bot]2026-07-04 21:33Multiple debug print statements and hugepages mapped
- Issue comment#1309ashahinL2026-07-02 22:28v3: arena growth wedges at the 16 GiB reserve cap (info_slices 521 >= 512); all later allocations fall back to per-allocation OS mmap and exhaust vm.max_map_count
- Issue#867github-actions[bot]2026-06-25 17:40tag v1.8.4 and v2.1.4 may be missing
- Issue#819github-actions[bot]2026-06-22 21:55mi_is_in_heap_region asserting in debug
- Issue#850github-actions[bot]2026-06-20 21:42"minject.exe --inplace --force --postfix=override <exe>" intermittently crashes (v2.1.2)
- Issue#1287daanx2026-06-20 02:36mimalloc >= 3.3.0 causes segmentation faults when used from multiple threads
- Issue#837github-actions[bot]2026-06-19 21:39Unused variable from heap alloc code
- Issue comment#1310andrewgazelka2026-06-13 00:53fix arena reservation wedge at the 16 GiB cap (issue #1309)
- Issue comment#1310andrewgazelka2026-06-13 00:35fix arena reservation wedge at the 16 GiB cap (issue #1309)
- Issue#1309andrewgazelka2026-06-12 23:49v3: arena growth wedges at the 16 GiB reserve cap (info_slices 521 >= 512); all later allocations fall back to per-allocation OS mmap and exhaust vm.max_map_count
- Issue comment#8450xjc2026-06-10 01:19ASAN crash in `mi_checked_ptr_segment` when freeing memory from `abi::__cxa_demangle`
- Issue comment#986github-actions[bot]2026-06-06 21:37minject --force --inplace crashes reproducibly, on a specific machine with a specific executable
- Pull request#1305mengzhuo2026-06-05 03:07
- Issue comment#912github-actions[bot]2026-06-03 22:11why mi_bin() return MI_BIN_HUGE if wsize > MI_MEDIUM_OBJ_WSIZE_MAX
- Issue#942github-actions[bot]2026-06-01 22:16pointer being freed was not allocated
- Issue#971github-actions[bot]2026-05-30 21:35mimalloc MI_TRACK_ASAN option can not be used together with MI_USE_CXX
- Issue#938github-actions[bot]2026-05-18 21:42Wrong mimalloc stat with asan
- Issue#1007github-actions[bot]2026-05-15 21:43mimalloc crashes on FreeBSD during static initialization phase
- Issue comment#1002github-actions[bot]2026-05-15 21:43Extremely excessive memory usage in synthetic threading stress test
- Issue#1023github-actions[bot]2026-05-15 21:43Linux + ASAN + MI_TRACK_ASAN + MI_OVERRIDE + static linking
Totals cover only the window loaded into ClickHouse and count events, not GitHub's lifetime totals — 898 stars here means stars gained during the window, not the repo's star count.