Most efficient way to write and read large amounts of u64s?

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  • ash

    Vulkan bindings for Rust

    // it is undefined behavior to call read_exact on un-initialized, https://doc.rust-lang.org/std/io/trait.Read.html#tymethod.read // see also https://github.com/MaikKlein/ash/issues/354#issue-781730580 let mut buffer = vec![0u64, length]; unsafe { // transmute u64 to bytes. let slice = std::slice::from_raw_parts_mut( buffer.as_mut_ptr() as *mut u8, length * std::mem::size_of::(), ); reader.read_exact(slice)?; } if is_native_little_endian() != file_is_little_endian { swap(&mut buffer, file_is_little_endian) }

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