SPRADE7 November   2023 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1 , AM62P-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2AM62A Processor
  6. 3AM62A Video Processing Unit (VPU) Capability
  7. 4AM62A JPEG Encode Capability
    1. 4.1 Open Source GStreamer Overview
    2. 4.2 TI-Provided V4L2 Drivers for Multimedia
    3. 4.3 Hardware-Accelerated GStreamer Plugins
  8. 5Software Driver Architecture
  9. 6Performance Measurements
  10. 7Multimedia Use Cases
    1. 7.1 Smart AI Box
    2. 7.2 Surveillance
  11. 8Summary
  12. 9References

6 Performance Measurements

This section provides memory requirements, latency and DDR bandwidth measurements for both H.264 and H.265 encode/decode on AM62A for typical configurations from 480P to 8MP. The measurements were made on the AM62Ax starter kit [3] using Linux SDK 9.0. The tool used to measure the DDR bandwidth and latency is the perf_stats tool. Details for replicating the performance benchmarks and relevant gstreamer commands can be found here [9].

Table 6-1 Single Instance Performance Results for Encoding With H.264/H.265
8MP@15 FPS 5MP@30FPS 1080P@30FPS 480P@30FPS
IMX219 OV5647 IMX219 IMX219
Memory Requirement (MB) 257.7 MB 76.16MB 43.2 MB 23.6 MB
Latency (ms) 33.3 ms 29ms 8.3 ms 4 ms
DDR BW (MB/s) 1271 MB/s 1200 MB/s 547 MB/s 137 MB/s
Table 6-2 Single Instance Performance Results for Decoding With H.264/H.265
1080P@30FPS 480P@30FPS
IMX219 IMX219
Memory Requirement (MB) 62.8 MB 29.5 MB
Latency (ms) 77 ms 36 ms
DDR BW (MB/s) 796 MB/s 75 MB/s