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Support building on ARM with NEON histogram intrinsics #4

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andrew merged 5 commits from weaselbot/weaseldb:weaselbot/issue-3 into main 2026-06-26 16:13:08 +00:00
Conversation 3 Commits 5 Files Changed 2
+5 -7
1 changed files with 5 additions and 7 deletions
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src/metric.cpp
+2 -4
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@@ -1446,8 +1446,7 @@ update_histogram_buckets_simd(std::span<const double> thresholds,
}
}
#elif defined(__aarch64__)
static void
update_histogram_buckets_simd(std::span<const double> thresholds,
static void update_histogram_buckets_simd(std::span<const double> thresholds,
std::span<uint64_t> counts, double x,
size_t start_idx) {
const size_t size = thresholds.size();
@@ -1522,8 +1521,7 @@ void Histogram::observe(double x) {
p->mutex.unlock();
} else {
// Slow path: accumulate in pending (lock-free)
update_histogram_buckets(p->thresholds, p->pending.bucket_counts, x,
0);
update_histogram_buckets(p->thresholds, p->pending.bucket_counts, x, 0);
p->pending.sum += x;
p->pending.observations++;
}