commit 4c5469b192665c94118a8a558787cb9cec2d0765
author Georgios Pinitas <georgios.pinitas@arm.com> Tue May 21 13:32:43 2019 +0100
committer Georgios Pinitas <georgios.pinitas@arm.com> Mon Jun 03 14:51:29 2019 +0000
tree 168aa969de8243bdbb1f25247dd9f54d037ae32c
parent 43a129e94df41f9ac8bc78b702da5a387ada0494

COMPMID-2225: Add interface support for new quantized data types.

Add support for:
-QSYMM8, 8-bit quantized symmetric
-QSYMM8_PER_CHANNEL, 8-bit quantized symmetric with per channel quantization

Change-Id: I00c4ff98e44af37419470af61419ee95d0de2463
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1236
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

src/runtime/CL/functions/CLGEMMDeconvolutionLayer.cpp

diff --git a/src/runtime/CL/functions/CLGEMMDeconvolutionLayer.cpp b/src/runtime/CL/functions/CLGEMMDeconvolutionLayer.cpp
index bcb91e0..36a120e 100644
--- a/src/runtime/CL/functions/CLGEMMDeconvolutionLayer.cpp
+++ b/src/runtime/CL/functions/CLGEMMDeconvolutionLayer.cpp
@@ -277,11 +277,15 @@
 
     if(_is_quantized)
     {
-        float multiplier = input->info()->quantization_info().scale * weights->info()->quantization_info().scale / _gemmlowp_final.info()->quantization_info().scale;
+        const UniformQuantizationInfo iq_info = input->info()->quantization_info().uniform();
+        const UniformQuantizationInfo wq_info = weights->info()->quantization_info().uniform();
+        const UniformQuantizationInfo oq_info = _gemmlowp_final.info()->quantization_info().uniform();
+
+        float multiplier = iq_info.scale * wq_info.scale / oq_info.scale;
         int   output_multiplier(0);
         int   output_shift(0);
         quantization::calculate_quantized_multiplier_less_than_one(multiplier, &output_multiplier, &output_shift);
-        _gemmlowp_output_stage.configure(&_gemmlowp_final, nullptr, output_stage_output, output_multiplier, output_shift, _gemmlowp_final.info()->quantization_info().offset);
+        _gemmlowp_output_stage.configure(&_gemmlowp_final, nullptr, output_stage_output, output_multiplier, output_shift, oq_info.offset);
         _gemmlowp_final.allocator()->allocate();
     }