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| author | iximeow <me@iximeow.net> | 2024-03-17 09:26:49 +0000 |
|---|---|---|
| committer | iximeow <me@iximeow.net> | 2024-03-17 09:26:49 +0000 |
| commit | 9d6db573e265e2d01d5879adfb0f22b9768a6828 (patch) | |
| tree | 13eca73a59cec1228b61629fb1c6e4565b15c6f0 /differential-tests/README.md | |
| parent | fe1662042b0bb6abfac96f1d582f1e5221a500d3 (diff) | |
differential tests: RUSTFLAGS on aarch64 note
Diffstat (limited to 'differential-tests/README.md')
| -rw-r--r-- | differential-tests/README.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/differential-tests/README.md b/differential-tests/README.md new file mode 100644 index 0000000..e6e39d8 --- /dev/null +++ b/differential-tests/README.md @@ -0,0 +1,3 @@ +on aarch64 you really want `RUSTFLAGS="-C target-feature=+lse"` (if your aarch64 target supports armv8.1). + +without +lse you'll get outlined atomics for the per-thread atomic add/stat tracking, which means each atomic add is a call/feature test/return instead of ... just the op. |