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TDA4VEN-Q1: The AVM frame rate decreases when the DDR bandwidth is used over 6.3 GB/s,

xie jc
Expert 1650 points
Part Number: TDA4VEN-Q1

Tool/software:

Hi ，TI's experts

HW :tda4ven board

SW env:sdk10.0

When AVM+ perception is running at the same time, the AVM frame rate drops a lot.

When the overall DDR bandwidth exceeds 6.3G, the AVM frame rate will decrease.

And the more DDR bandwidth is occupied, the more the frame rate will drop.


Our DDR is running 3733, the theoretical bandwidth is 14.9G, but the performance is affected after running to 6.3G.

We need your support to improve the utilization of DDR bandwidth.

  • 0
    Expert 1650 points

    gpu负载.log 
    Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
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           2D:   0% 
         GEOM:   5% 
           3D:  75% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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CRR Event Count: 0
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         GEOM:   5% 
           3D:  80% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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CRR Event Count: 0
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APM Event Count: 3
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         GEOM:   5% 
           3D:  81% 
          CDM:   0% 
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        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
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CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
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FWF Event Count: 0
APM Event Count: 3
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         GEOM:   5% 
           3D:  83% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
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APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
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CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  83% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
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          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
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DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
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        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
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FWF Event Count: 0
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         GEOM:   7% 
           3D:  84% 
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        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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CRR Event Count: 0
SLR Event Count: 0
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APM Event Count: 3
GPU Utilisation: 90%
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         GEOM:   5% 
           3D:  85% 
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        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
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GPU Utilisation: 87%
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           2D:   0% 
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           3D:  82% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
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           2D:   0% 
         GEOM:   6% 
           3D:  85% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
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         GEOM:   5% 
           3D:  86% 
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        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
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APM Event Count: 3
GPU Utilisation: 90%
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         GEOM:   6% 
           3D:  85% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
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HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
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GPU Utilisation: 89%
DM Utilisation:  VM0
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         GEOM:   5% 
           3D:  84% 
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Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
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GPU Utilisation: 91%
DM Utilisation:  VM0
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         GEOM:   6% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
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GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 91%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  83% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  83% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 91%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 86%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 91%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  87% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   4% 
           3D:  86% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 87%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 92%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   7% 
           3D:  86% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 87%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  83% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 87%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  82% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 91%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  87% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 91%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  86% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 87%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  81% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   6% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 89%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  84% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 88%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  83% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Errors:   0
HWR Event Count: 0
CRR Event Count: 0
SLR Event Count: 0
WGP Error Count: 0
TRP Error Count: 0
FWF Event Count: 0
APM Event Count: 3
GPU Utilisation: 90%
DM Utilisation:  VM0
           2D:   0% 
         GEOM:   5% 
           3D:  85% 
          CDM:   0% 
          RAY:   0% 
        GEOM2:   0% 
Driver Status:   OK

Device ID: 0:128
Firmware Status: OK
Server Err
    DDR负载统计.log

  • 0 in reply to xie jc
    TI__Expert 4670 points

    Hi JC,

    so you are using the Mircon LPDDR4. Can you have a try for this config to see any improvement? 

    all (10).zip

    BR,

    Biao

  • 0 in reply to Biao Li
    Expert 1650 points

    Hi， Biao

    Thank you for your reply.

    Using the method you provided. We can increase the DDR bandwidth usage about 1.1G