public static float getFloatVolatile(final float[] target, final long index) {
        return UNSAFE_ACCESSOR.getFloatVolatile(target, FLOAT_ARRAY_BASE_OFFSET + (index * FLOAT_ARRAY_INDEX_SCALE));
    }
Get a {@link UnsafeAccessor} appropriate for the platform.
jraft-core/src/main/java/com/alipay/sofa/jraft/util/internal/UnsafeUtil.java