commit 749d92115e8ac7d0cc755ce93ea8a8c53fd6e474
author Charles Xu <charles.xu@arm.com> Thu Jun 11 12:39:19 2020 +0200
committer Tim Hall <tim.hall@arm.com> Thu Jun 18 17:53:52 2020 +0100
tree a71e8c5b5d87ee4123d01ad744b7b5041356bcc7
parent 7b8823f0e27ec115a2e151ebc0382a49fce36894

MLBEDSW-2468: Rounding 16bit scale multiplier by 0.5

Signed-off-by: Charles Xu <charles.xu@arm.com>
Change-Id: I78f475f9837a7c11f01b2693b17efe1a7c6481cc

ethosu/vela/register_command_stream_generator.py

diff --git a/ethosu/vela/register_command_stream_generator.py b/ethosu/vela/register_command_stream_generator.py
index 38ab6c1..c46016d 100644
--- a/ethosu/vela/register_command_stream_generator.py
+++ b/ethosu/vela/register_command_stream_generator.py
@@ -607,7 +607,7 @@
                             rescale = 0x3000 * cmd.ifm_tensor.quantization.scale_f32
 
                             if cmd.ifm_tensor.dtype == DataType.int16:
-                                multiplier = max(1, int(4096 * cmd.ifm_tensor.quantization.scale_f32))
+                                multiplier = max(1, int(4096 * cmd.ifm_tensor.quantization.scale_f32 + 0.5))
                                 rescale *= 3 * multiplier
 
                             rescale_bits = len(bin(round_up_to_int(rescale))) - 2 + 1