COMPMID-411 - Port CLGEMM to support 8 bit fixed point
Change-Id: I6c8bd69ae9715e4d83d128b2162fc15aa5561afb
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78804
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>
diff --git a/src/core/CL/cl_kernels/gemm.cl b/src/core/CL/cl_kernels/gemm.cl
index 9bec8d5..796b343 100644
--- a/src/core/CL/cl_kernels/gemm.cl
+++ b/src/core/CL/cl_kernels/gemm.cl
@@ -21,17 +21,18 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
+#include "fixed_point.h"
#include "helpers.h"
/** This OpenCL kernel computes the "vector" 1x4 transposition of input matrix
*
- * @param[in] src_ptr Pointer to the source matrix. Supported data types: F32
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: U32/S32/F32
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -57,13 +58,13 @@
/** This OpenCL kernel computes the "vector" 1x8 transposition of input matrix
*
- * @param[in] src_ptr Pointer to the source matrix. Supported data types: F16
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: U16/S16/QS16/F16
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F16
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -89,13 +90,13 @@
/** This OpenCL kernel computes the "vector" 1x16 transposition of input matrix
*
- * @param[in] src_ptr Pointer to the source matrix. Supported data types: U8
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: U8/S8/QS8
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: U8
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -127,7 +128,7 @@
* @param[in] src_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: U32/S32/F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -162,13 +163,13 @@
/** This OpenCL kernel reshapes the input matrix transposing each 4x4 block and interleaving the values
*
- * @param[in] src_ptr Pointer to the source matrix. Supported data types: U16/S16/F16
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: U16/S16/QS16/F16
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: U16/S16/F16
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -203,13 +204,13 @@
/** This OpenCL kernel reshapes the input matrix transposing each 4x4 block and interleaving the values
*
- * @param[in] src_ptr Pointer to the source matrix. Supported data types: U8/S8
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: U8/S8/QS8
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: U8/S8
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -250,13 +251,13 @@
*
* @note The data type must be passed at compile time -DDATA_TYPE=type. e.g. -DDATA_TYPE=short
*
- * @param[in, out] accum_ptr Pointer to the accumulate tensor. Supported data type: F32
+ * @param[in, out] accum_ptr Pointer to the accumulate tensor. Supported data type: U8/S8/QS8/U16/S16/F16/U32/S32/F32
* @param[in] accum_stride_x Stride of the accmulate tensor in X dimension (in bytes)
* @param[in] accum_step_x accum_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] accum_stride_y Stride of the accumlulate tensor in Y dimension (in bytes)
* @param[in] accum_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] accum_offset_first_element_in_bytes The offset of the first element in the accumulate tensor
- * @param[in] biases_ptr Pointer to the biases vector. Same as input.
+ * @param[in] biases_ptr Pointer to the biases vector. Same as @p accum_ptr
* @param[in] biases_stride_x Stride of the destination tensor in X dimension (in bytes)
* @param[in] biases_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] biases_offset_first_element_in_bytes The offset of the first element in the destination tensor
@@ -282,7 +283,7 @@
#if(defined WIDTH_MATRIX_B)
/** This OpenCL kernel computes the matrix multiplication between matrix A (src0) and matrix B (src1)
- * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_u8 and @ref gemm_transpose1x16_u8 before running the matrix multiplication
+ * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_8bit and @ref gemm_transpose1x16 before running the matrix multiplication
*
* @attention The width of matrix B and the alpha's value need to be passed at compile time using -DWIDTH_MATRIX_B
*
@@ -292,13 +293,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported formats: U8
+ * @param[in] src1_ptr Pointer to the source matrix. Supported formats: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported formats: U8
+ * @param[out] dst_ptr Pointer to the destination matrix Supported formats: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -388,7 +389,7 @@
#if(defined WIDTH_MATRIX_B && defined ALPHA)
/** This OpenCL kernel is optimised for Midgard. It computes the matrix multiplication between matrix A (src0) and matrix B (src1)
- * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_f32 and @ref gemm_transpose1x4_f32 before running the matrix multiplication
+ * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_32bit and @ref gemm_transpose1x4 before running the matrix multiplication
*
* @attention The width of matrix B and the alpha's value need to be passed at compile time using -DWIDTH_MATRIX_B and -DALPHA
*
@@ -398,13 +399,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F32
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -487,7 +488,7 @@
}
/** This OpenCL kernel is optimised for Bifrost. It computes the matrix multiplication between matrix A (src0) and matrix B (src1)
- * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_f32 and @ref gemm_transpose1x4_f32 before running the matrix multiplication
+ * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_32bit and @ref gemm_transpose1x4 before running the matrix multiplication
*
* @attention The width of matrix B and the alpha's value need to be passed at compile time using -DWIDTH_MATRIX_B and -DALPHA
*
@@ -497,13 +498,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F32
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -697,7 +698,7 @@
}
/** This OpenCL kernel computes the matrix multiplication between matrix A (src0) and matrix B (src1)
- * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_f16 and @ref gemm_transpose1x8_f16 before running the matrix multiplication
+ * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_16bit and @ref gemm_transpose1x8 before running the matrix multiplication
*
* @attention The width of matrix B and the alpha's value need to be passed at compile time using -DWIDTH_MATRIX_B and -DALPHA
*
@@ -707,13 +708,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F16
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F16
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -795,6 +796,100 @@
vstore8(c30, 0, (__global half *)(offset(&dst, 0, 3)));
}
+#if(defined FIXED_POINT_POSITION)
+/** This OpenCL kernel computes the matrix multiplication between matrix A (src0) and matrix B (src1) in 8 bit fixed point precision
+ * Matrix A and matrix B must be reshaped respectively with @ref gemm_interleave4x4_8bit and @ref gemm_transpose1x16 before running the matrix multiplication
+ *
+ * @attention The width of matrix B, the alpha's value and fixed point position need to be passed at compile time using -DWIDTH_MATRIX_B -DALPHA and -DFIXED_POINT_POSITION
+ *
+ * @note: ALPHA must be passed in 8 bit fixed point format
+ *
+ * @param[in] src0_ptr Pointer to the source matrix. Supported data types: QS8
+ * @param[in] src0_stride_x Stride of the source matrix in X dimension (in bytes)
+ * @param[in] src0_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
+ * @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
+ * @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
+ * @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
+ * @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
+ * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
+ * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix
+ */
+__kernel void gemm_mm_qs8(IMAGE_DECLARATION(src0),
+ IMAGE_DECLARATION(src1),
+ IMAGE_DECLARATION(dst))
+{
+ /* src_addr.s0 = address of matrix A */
+ /* src_addr.s1 = address of matrix B */
+
+ /* Compute address for matrix A and B */
+ int2 src_addr = (int2)(get_global_id(1), get_global_id(0)) * (int2)((src0_stride_y),
+ (src1_stride_y));
+
+ /* Add offset_first_element_in_bytes */
+ src_addr = src_addr + ((int2)(src0_offset_first_element_in_bytes, src1_offset_first_element_in_bytes));
+
+ /* Compute end row address for matrix B */
+ int end_row_mtx_b = src_addr.s1 + WIDTH_MATRIX_B;
+
+ /* Reset accumulators */
+ short8 c00 = 0.0f;
+ short8 c10 = 0.0f;
+ short8 c20 = 0.0f;
+ short8 c30 = 0.0f;
+ short8 c01 = 0.0f;
+ short8 c11 = 0.0f;
+ short8 c21 = 0.0f;
+ short8 c31 = 0.0f;
+
+ /* This for loop performs 1 accumulation for each iteration */
+ for(; src_addr.s1 <= (end_row_mtx_b - 16); src_addr += (int2)(4, 16))
+ {
+ /* Load values from matrix A (interleaved) and matrix B (transposed) */
+ char4 a0 = vload4(0, ((__global char *)src0_ptr) + src_addr.s0);
+ char16 b0 = vload16(0, ((__global char *)src1_ptr) + src_addr.s1);
+
+ c00 = mlal_sat_qs8x8(c00, (char8)a0.s0, b0.s01234567, FIXED_POINT_POSITION);
+ c10 = mlal_sat_qs8x8(c10, (char8)a0.s1, b0.s01234567, FIXED_POINT_POSITION);
+ c20 = mlal_sat_qs8x8(c20, (char8)a0.s2, b0.s01234567, FIXED_POINT_POSITION);
+ c30 = mlal_sat_qs8x8(c30, (char8)a0.s3, b0.s01234567, FIXED_POINT_POSITION);
+
+ c01 = mlal_sat_qs8x8(c01, (char8)a0.s0, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ c11 = mlal_sat_qs8x8(c11, (char8)a0.s1, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ c21 = mlal_sat_qs8x8(c21, (char8)a0.s2, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ c31 = mlal_sat_qs8x8(c31, (char8)a0.s3, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ }
+
+ /* Compute destination address */
+ Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+ /* Multiply by the weight of matrix product */
+ char16 c00_qs8 = convert_char16_sat((short16)(c00, c01));
+ char16 c10_qs8 = convert_char16_sat((short16)(c10, c11));
+ char16 c20_qs8 = convert_char16_sat((short16)(c20, c21));
+ char16 c30_qs8 = convert_char16_sat((short16)(c30, c31));
+
+ c00_qs8 = mul_sat_qs8x16(c00_qs8, (char16)ALPHA, FIXED_POINT_POSITION);
+ c10_qs8 = mul_sat_qs8x16(c10_qs8, (char16)ALPHA, FIXED_POINT_POSITION);
+ c20_qs8 = mul_sat_qs8x16(c20_qs8, (char16)ALPHA, FIXED_POINT_POSITION);
+ c30_qs8 = mul_sat_qs8x16(c30_qs8, (char16)ALPHA, FIXED_POINT_POSITION);
+
+ /* Store 16x4 block */
+ vstore16(c00_qs8, 0, (__global char *)(offset(&dst, 0, 0)));
+ vstore16(c10_qs8, 0, (__global char *)(offset(&dst, 0, 1)));
+ vstore16(c20_qs8, 0, (__global char *)(offset(&dst, 0, 2)));
+ vstore16(c30_qs8, 0, (__global char *)(offset(&dst, 0, 3)));
+}
+#endif // (defined FIXED_POINT_POSITION)
+
#if(defined WIDTH_VECTOR_A)
/** This OpenCL kernel computes the vector by matrix multiplication between the vector A (src0) and matrix B (src1)
*
@@ -808,13 +903,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F32
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -874,13 +969,13 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F16
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F16
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -931,6 +1026,92 @@
vstore8(acc, 0, (__global half *)(offset(&dst, 0, 0)));
}
+
+#if(defined FIXED_POINT_POSITION)
+/** This OpenCL kernel computes the vector by matrix multiplication between the vector A (src0) and matrix B (src1) in 8 bit fixed point
+ *
+ * @attention The width of vector A, the width of matrix B, the alpha's value and the fixed point position need to be passed at compile time using -DWIDTH_VECTOR_A -DWIDTH_MATRIX_B, -DALPHA and -DFIXED_POINT_POSITION
+ *
+ * @attention The input vector A and matrix B must not be reshaped
+ *
+ * @note: ALPHA must be passed in 8 bit fixed point format
+ *
+ * @param[in] src0_ptr Pointer to the source matrix. Supported data types: QS8
+ * @param[in] src0_stride_x Stride of the source matrix in X dimension (in bytes)
+ * @param[in] src0_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
+ * @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
+ * @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
+ * @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
+ * @param[in] src1_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
+ * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
+ * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix
+ */
+__kernel void gemm_vm_qs8(IMAGE_DECLARATION(src0),
+ IMAGE_DECLARATION(src1),
+ IMAGE_DECLARATION(dst))
+{
+ int idx = get_global_id(0) * 16;
+
+ /* Compute the address for the vector A and matrix B */
+ int2 src_addr = ((int2)(src0_offset_first_element_in_bytes, src1_offset_first_element_in_bytes));
+ src_addr.s1 += idx;
+
+ int end_row_vec_a = src_addr.s0 + WIDTH_VECTOR_A;
+
+ short8 acc0 = 0;
+ short8 acc1 = 0;
+
+ /* This for loop performs 4 accumulations per iteration */
+ for(; src_addr.s0 <= (end_row_vec_a - 4); src_addr += (int2)(4, 4 * src1_stride_y))
+ {
+ char4 a0 = vload4(0, (__global char *)(src0_ptr + src_addr.s0));
+ char16 b0 = vload16(0, (__global char *)(src1_ptr + src_addr.s1 + 0 * src1_stride_y));
+ char16 b1 = vload16(0, (__global char *)(src1_ptr + src_addr.s1 + 1 * src1_stride_y));
+ char16 b2 = vload16(0, (__global char *)(src1_ptr + src_addr.s1 + 2 * src1_stride_y));
+ char16 b3 = vload16(0, (__global char *)(src1_ptr + src_addr.s1 + 3 * src1_stride_y));
+
+ acc0 = mlal_sat_qs8x8(acc0, (char8)a0.s0, b0.s01234567, FIXED_POINT_POSITION);
+ acc0 = mlal_sat_qs8x8(acc0, (char8)a0.s1, b1.s01234567, FIXED_POINT_POSITION);
+ acc0 = mlal_sat_qs8x8(acc0, (char8)a0.s2, b2.s01234567, FIXED_POINT_POSITION);
+ acc0 = mlal_sat_qs8x8(acc0, (char8)a0.s3, b3.s01234567, FIXED_POINT_POSITION);
+
+ acc1 = mlal_sat_qs8x8(acc1, (char8)a0.s0, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ acc1 = mlal_sat_qs8x8(acc1, (char8)a0.s1, b1.s89ABCDEF, FIXED_POINT_POSITION);
+ acc1 = mlal_sat_qs8x8(acc1, (char8)a0.s2, b2.s89ABCDEF, FIXED_POINT_POSITION);
+ acc1 = mlal_sat_qs8x8(acc1, (char8)a0.s3, b3.s89ABCDEF, FIXED_POINT_POSITION);
+ }
+
+ /* Left-over accumulations */
+ for(; src_addr.s0 < end_row_vec_a; src_addr += (int2)(1, src1_stride_y))
+ {
+ char a0 = *((__global char *)(src0_ptr + src_addr.s0));
+ char16 b0 = vload16(0, (__global char *)(src1_ptr + src_addr.s1));
+
+ acc0 = mlal_sat_qs8x8(acc0, (char8)a0, b0.s01234567, FIXED_POINT_POSITION);
+ acc1 = mlal_sat_qs8x8(acc1, (char8)a0, b0.s89ABCDEF, FIXED_POINT_POSITION);
+ }
+
+ /* Compute destination address */
+ Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+ /* Multiply by the weight of matrix product */
+ char16 acc_qs8 = convert_char16_sat((short16)(acc0, acc1));
+
+ acc_qs8 = mul_sat_qs8x16(acc_qs8, (char16)ALPHA, FIXED_POINT_POSITION);
+
+ /* Store 16 values */
+ vstore16(acc_qs8, 0, (__global char *)(offset(&dst, 0, 0)));
+}
+#endif /* #if(defined FIXED_POINT_POSITION) */
#endif /* (defined WIDTH_VECTOR_A) */
#endif /* (defined WIDTH_MATRIX_B && defined ALPHA) */
@@ -945,7 +1126,7 @@
* @param[in] src_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -974,13 +1155,15 @@
/** This OpenCL kernel performs the in-place matrix addition between 2 matrices taking into account that the second matrix might be weighted by a scalar value beta:
*
+ * @attention The beta's value need to be passed at compile time using -DBETA
+ *
* @param[in] src_ptr Pointer to the source matrix. Supported data types: F16
* @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F16
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
@@ -1006,6 +1189,47 @@
/* Store final result in axb matrix */
vstore8(out, 0, (__global half *)dst.ptr);
}
+
+#if(defined FIXED_POINT_POSITION)
+/** This OpenCL kernel performs the in-place matrix addition between 2 matrices in 8 bit fixed point taking into account that the second matrix might be weighted by a scalar value beta:
+ *
+ * @attention The beta's value and the fixed point position need to be passed at compile time using -DBETA and -DFIXED_POINT_POSITION
+ *
+ * @note: BETA must be passed in 8 bit fixed point format
+ *
+ * @param[in] src_ptr Pointer to the source matrix. Supported data types: QS8
+ * @param[in] src_stride_x Stride of the source matrix 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_stride_y Stride of the source matrix in Y dimension (in bytes)
+ * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source matrix
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src_ptr
+ * @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
+ * @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination matrix
+ */
+__kernel void gemm_ma_qs8(IMAGE_DECLARATION(src),
+ IMAGE_DECLARATION(dst))
+{
+ /* Compute source and destination addresses */
+ Image src = CONVERT_TO_IMAGE_STRUCT(src);
+ Image dst = CONVERT_TO_IMAGE_STRUCT(dst);
+
+ /* Load values from A x B */
+ char16 alpha_ab = vload16(0, (__global char *)dst.ptr);
+
+ /* Load values from Matrix C */
+ char16 c = vload16(0, (__global char *)src.ptr);
+
+ /* Computes alpha * axb + beta * c */
+ char16 out = mla_sat_qs8x16(alpha_ab, (char16)BETA, c, FIXED_POINT_POSITION);
+
+ /* Store final result in axb matrix */
+ vstore16(out, 0, (__global char *)dst.ptr);
+}
+#endif /* #if(defined FIXED_POINT_POSITION) */
#endif /* (defined BETA) */
#if(defined WIDTH_VECTOR_A)
@@ -1021,7 +1245,7 @@
* @param[in] src0_stride_y Stride of the source matrix in Y dimension (in bytes)
* @param[in] src0_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
* @param[in] src0_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[in] src1_ptr Pointer to the source matrix. Supported data types: F32
+ * @param[in] src1_ptr Pointer to the source matrix. Supported data types: same as @p src0_ptr
* @param[in] src1_stride_x Stride of the source matrix in X dimension (in bytes)
* @param[in] src1_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] src1_stride_y Stride of the source matrix in Y dimension (in bytes)
@@ -1029,7 +1253,7 @@
* @param[in] src1_stride_z Stride of the source matrix in Z dimension (in bytes)
* @param[in] src1_step_z src_stride_z * number of elements along Z processed per workitem(in bytes)
* @param[in] src1_offset_first_element_in_bytes The offset of the first element in the source matrix
- * @param[out] dst_ptr Pointer to the destination matrix Supported data types: F32
+ * @param[out] dst_ptr Pointer to the destination matrix Supported data types: same as @p src0_ptr
* @param[in] dst_stride_x Stride of the destination matrix in X dimension (in bytes)
* @param[in] dst_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes)
* @param[in] dst_stride_y Stride of the destination matrix in Y dimension (in bytes)