public static long lvLongElement(long[] buffer, long offset)
    {
        return UNSAFE.getLongVolatile(buffer, offset);
    }
A volatile load of an element from a given offset.

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