public static long lpLongElement(long[] buffer, long offset)
    {
        return UNSAFE.getLong(buffer, offset);
    }
A plain load (no ordering/fences) of an element from a given offset.

@param buffer le buffer
@param offset computed via {@link UnsafeLongArrayAccess#calcLongElementOffset(long)}
@return the element at the offset
jctools-core/src/main/java/org/jctools/util/UnsafeLongArrayAccess.java