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| git_commit |
commit efa287dd8a0920b20c3fe69253d8438ec8944383 Author: Peng Liu <winner245@hotmail.com> Date: Wed Feb 5 22:38:32 2025 -0500 [libc++] Slightly simplify max_size and add new tests for vector (#119990) This PR slightly simplifies the implementation of `vector<bool>::max_size` and adds extensive tests for the `max_size()` function for both `vector<bool>` and `vector<T>`. The main purposes of the new tests include: - Verify correctness of `max_size()` under various `size_type` and `difference_type` definitions: check that `max_size()` works properly with allocators that have custom `size_type` and `difference_type`. This is particularly useful for `vector<bool>`, as different `size_type` lead to different `__storage_type` of different word lengths, resulting in varying `max_size()` values for `vector<bool>`. Additionally, different `difference_type` also sets different upper limit of `max_size()` for both `vector<bool>` and `std::vector`. These tests were previously missing. - Eliminate incorrect implementations: Special tests are added to identify and reject incorrect implementations of `vector<bool>::max_size` that unconditionally return `std::min<size_type>(size-max, __internal_cap_to_external(allocator-max-size))`. This can cause overflow in the `__internal_cap_to_external()` call and lead to incorrect results. The new tests ensure that such incorrect implementations are identified. |
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ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 526443 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 526441 | 2025-12-16T16:40:01 | 0:00:00 |
| Baseline | 485288 | 2025-12-16T16:40:01 | 0:00:00 |
Tests Summary
| Status Group | # | # (B) |
|---|---|---|
| Performance Regressions | 1 | 0 |
| Performance Improvements | 2 | 0 |
| Added Tests | 0 | 18 |
| Unchanged Tests | 87 | 72 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 735_gem5_r | 1.16% | 13.770 | 13.929 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 721_gcc_r | -3.05% | 13.428 | 13.019 | - | 0.00% | - |
| 710_omnetpp_r | -1.03% | 8.661 | 8.572 | - | 0.00% | - |
| Added Tests - execution_time |
|---|
| 706_stockfish_r |
| 707_ntest_r |
| 709_cactus_r |
| 710_omnetpp_r |
| 721_gcc_r |
| 723_llvm_r |
| 727_cppcheck_r |
| 729_abc_r |
| 731_astcenc_r |
| 734_vpr_r |
| 735_gem5_r |
| 736_ocio_r |
| 737_gmsh_r |
| 748_flightdm_r |
| 750_sealcrypto_r |
| 753_ns3_r |
| 766_femflow_r |
| 767_nest_r |
Report Time: 0.06s