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Diffstat (limited to 'src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp')
-rw-r--r--src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp29
1 files changed, 25 insertions, 4 deletions
diff --git a/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp b/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp
index 83db146a8a..dada6d16da 100644
--- a/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp
+++ b/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp
@@ -117,8 +117,18 @@ void NEGEMMLowpMatrixMultiplyCore::configure(const ITensor *a, const ITensor *b,
{
if(is_data_type_quantized_asymmetric(a_to_use->info()->data_type()) && info.gemmlowp_output_stage().type == GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT)
{
- _asm_glue.configure(a_to_use, b, c, output, gemm_info);
- _fused_assembly_path = _asm_glue.is_configured();
+ // Result shifts < 0 are not supported by asm kernels
+ const std::vector<int32_t> &shifts = info.gemmlowp_output_stage().gemmlowp_shifts;
+ const bool is_asm_supported = info.gemmlowp_output_stage().gemmlowp_shift >= 0
+ && std::all_of(shifts.cbegin(), shifts.cend(), [](int32_t val)
+ {
+ return val >= 0;
+ });
+ if(is_asm_supported)
+ {
+ _asm_glue.configure(a_to_use, b, c, output, gemm_info);
+ _fused_assembly_path = _asm_glue.is_configured();
+ }
}
else
{
@@ -329,8 +339,19 @@ Status NEGEMMLowpMatrixMultiplyCore::validate(const ITensorInfo *a, const ITenso
bool run_optimised_requantized = false;
if(is_data_type_quantized_asymmetric(a_to_use->data_type()) && info.gemmlowp_output_stage().type == GEMMLowpOutputStageType::QUANTIZE_DOWN_FIXEDPOINT)
{
- run_optimised = bool(NEGEMMAssemblyDispatch::validate(a_to_use, b, c, output, gemm_info));
- run_optimised_requantized = run_optimised;
+ // Result shifts < 0 are not supported by asm kernels
+ const std::vector<int32_t> &shifts = info.gemmlowp_output_stage().gemmlowp_shifts;
+ const bool is_asm_supported = info.gemmlowp_output_stage().gemmlowp_shift >= 0
+ && std::all_of(shifts.cbegin(), shifts.cend(), [](int32_t val)
+ {
+ return val >= 0;
+ });
+
+ if(is_asm_supported)
+ {
+ run_optimised = bool(NEGEMMAssemblyDispatch::validate(a_to_use, b, c, output, gemm_info));
+ run_optimised_requantized = run_optimised;
+ }
}
else
{