andygrove commented on code in PR #718:
URL: https://github.com/apache/datafusion-comet/pull/718#discussion_r1701817076
##########
native/core/src/common/bit.rs:
##########
@@ -131,6 +131,18 @@ pub fn read_num_bytes_u32(size: usize, src: &[u8]) -> u32 {
trailing_bits(v as u64, size * 8) as u32
}
+#[inline]
+pub fn read_u64(src: &[u8]) -> u64 {
+ let in_ptr = src.as_ptr() as *const u64;
+ unsafe { in_ptr.read_unaligned() }
Review Comment:
I don't think we can ever guarantee that the memory is aligned
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