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| -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. |