diff --git a/src/core/CL/cl_kernels/l2_normalize.cl b/src/core/CL/cl_kernels/l2_normalize.cl
new file mode 100644
index 0000000..8d47631
--- /dev/null
+++ b/src/core/CL/cl_kernels/l2_normalize.cl
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "helpers.h"
+
+/** This kernel performs reduction given an operation.
+ *
+ * @note The data type must be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=float
+ * @note The data size must be passed at compile time using -DDATA_SIZE e.g. -DDATA_SIZE=32
+ *
+ * @param[in]  src_ptr                           Pointer to the source tensor. Supported data types: QS8/F16/F32
+ * @param[in]  src_stride_x                      Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  src_step_x                        src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  src_offset_first_element_in_bytes The offset of the first element in the source tensor
+ * @param[in]  sum_ptr                           Pointer to the source tensor. Supported data types: QS8/F16/F32
+ * @param[in]  sum_stride_x                      Stride of the source tensor in X dimension (in bytes)
+ * @param[in]  sum_step_x                        sum_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  sum_offset_first_element_in_bytes The offset of the first element in the source tensor
+ * @param[out] dst_ptr                           Pointer to the destination tensor. Supported data types: same as @p src_ptr
+ * @param[in]  dst_stride_x                      Stride of the destination tensor in X dimension (in bytes)
+ * @param[in]  dst_step_x                        dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in]  dst_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ * @param[in]  epsilon                           Epsilon value
+ */
+__kernel void l2_normalize(
+    VECTOR_DECLARATION(src),
+    VECTOR_DECLARATION(sum),
+    VECTOR_DECLARATION(dst),
+    DATA_TYPE epsilon)
+{
+    Vector src = CONVERT_TO_VECTOR_STRUCT(src);
+    Vector sum = CONVERT_TO_VECTOR_STRUCT(sum);
+    Vector dst = CONVERT_TO_VECTOR_STRUCT(dst);
+
+    VEC_DATA_TYPE(DATA_TYPE, 16)
+    in = vload16(0, (__global DATA_TYPE *)src.ptr);
+    VEC_DATA_TYPE(DATA_TYPE, 16)
+    normalize_value = (VEC_DATA_TYPE(DATA_TYPE, 16))native_rsqrt(fmax(((__global DATA_TYPE *)sum.ptr)[0], epsilon));
+
+    vstore16(in * normalize_value, 0, (__global DATA_TYPE *)dst.ptr);
+}
\ No newline at end of file
diff --git a/src/core/CL/cl_kernels/reduction_operation.cl b/src/core/CL/cl_kernels/reduction_operation.cl
new file mode 100644
index 0000000..d46a226
--- /dev/null
+++ b/src/core/CL/cl_kernels/reduction_operation.cl
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "helpers.h"
+
+/** Calculate square sum of a vector
+ *
+ * @param[in] input Pointer to the first pixel.
+ *
+ * @return square sum of vector.
+ */
+inline DATA_TYPE square_sum(__global const DATA_TYPE *input)
+{
+    VEC_DATA_TYPE(DATA_TYPE, 16)
+    in = vload16(0, input);
+
+    in *= in;
+
+    in.s01234567 += in.s89ABCDEF;
+    in.s0123 += in.s4567;
+    in.s01 += in.s23;
+
+    return (in.s0 + in.s1);
+}
+
+/** Calculate sum of a vector
+ *
+ * @param[in] input Pointer to the first pixel.
+ *
+ * @return sum of vector.
+ */
+inline DATA_TYPE sum(__global const DATA_TYPE *input)
+{
+    VEC_DATA_TYPE(DATA_TYPE, 16)
+    in = vload16(0, input);
+
+    in.s01234567 += in.s89ABCDEF;
+    in.s0123 += in.s4567;
+    in.s01 += in.s23;
+
+    return (in.s0 + in.s1);
+}
+
+/** This kernel performs reduction given an operation.
+ *
+ * @note The data type must be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=float
+ * @note The data size must be passed at compile time using -DDATA_SIZE e.g. -DDATA_SIZE=32
+ * @note The operation we want to perform must be passed at compile time using -DOPERATION e.g. -DOPERATION=square_sum
+ *
+ * @param[in] src_ptr                                   Pointer to the source tensor. Supported data types: F32
+ * @param[in] src_stride_x                              Stride of the source tensor in X dimension (in bytes)
+ * @param[in] src_step_x                                src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src_offset_first_element_in_bytes         The offset of the first element in the source tensor
+ * @param[in] partial_sum_ptr                           The local buffer to hold sumed values. Supported data types: same as @p src_ptt
+ * @param[in] partial_sum_stride_x                      Stride of the source tensor in X dimension (in bytes)
+ * @param[in] partial_sum_step_x                        partial_sum_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] partial_sum_offset_first_element_in_bytes The offset of the first element in the source tensor
+ * @param[in] local_sums                                Local buffer for storing the partioal sum
+ */
+__kernel void reduction_operation(
+    VECTOR_DECLARATION(src),
+    VECTOR_DECLARATION(partial_sum),
+    __local DATA_TYPE *local_sums)
+{
+    Vector src         = CONVERT_TO_VECTOR_STRUCT(src);
+    Vector partial_sum = CONVERT_TO_VECTOR_STRUCT(partial_sum);
+
+    unsigned int lsize = get_local_size(0);
+    unsigned int lid   = get_local_id(0);
+
+    local_sums[lid] = OPERATION((__global DATA_TYPE *)src.ptr);
+    barrier(CLK_LOCAL_MEM_FENCE);
+
+    // Perform parallel reduction
+    for(unsigned int i = lsize >> 1; i > 0; i >>= 1)
+    {
+        if(lid < i)
+        {
+            local_sums[lid] += local_sums[lid + i];
+        }
+        barrier(CLK_LOCAL_MEM_FENCE);
+    }
+
+    if(lid == 0)
+    {
+        ((__global DATA_TYPE *)partial_sum.ptr + get_group_id(0))[0] = local_sums[0];
+    }
+}
\ No newline at end of file