how many simultaneous h264 encode sessions can run on Quadro M4000( 8 GB GDDR5) card?

Does anyone can help!!

how many simultaneous h264 encode sessions can run on Quadro K2200( 4 GB GDDR5) card?

how many simultaneous h264 encode sessions can run on Quadro M4000( 8 GB GDDR5) card?

how many simultaneous h264 encode sessions can run on GeForce GTX 960 card, and can it up to 2+ encode sessions?

I has A GeForce GTX960 card and use ffmpeg to do h264 encode, only 2 simultaneous h264 encode sessions can run!

Thanks!

I tested to run multi h264 encoding session on Quadro M2000.
it can run 17 number of h264 encoding session in 720p30fps 1Mbps.
it can run 7 number of h264 encoding session in 1080p30fps 1Mbps.
parameter is blow.
RC_2_PASS_QUALITY (rate control)
PRESET_LOW_LATENCY_HQ (preset)
NV12 (input format)

±----------------------------------------------------------------------------+
| NVIDIA-SMI 384.98 Driver Version: 384.98 |
|-------------------------------±---------------------±---------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Quadro M2000 Off | 00000000:02:00.0 Off | N/A |
| 69% 66C P0 42W / 75W | 2018MiB / 4036MiB | 37% Default |
±------------------------------±---------------------±---------------------+

±----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 1274 C /usr/local/bin/0france3 107MiB |
| 0 4673 C /usr/local/bin/0TF1 108MiB |
| 0 4674 C /usr/local/bin/0France2 107MiB |
| 0 4676 C /usr/local/bin/0France4 95MiB |
| 0 4677 C /usr/local/bin/0M6 108MiB |
| 0 4678 C /usr/local/bin/0W9 108MiB |
| 0 4679 C /usr/local/bin/0Gulli 107MiB |
| 0 4680 C /usr/local/bin/ffmpeg 54MiB |
| 0 4681 C /usr/local/bin/ffmpeg 54MiB |
| 0 4682 C /usr/local/bin/0NRJ12 108MiB |
| 0 4683 C /usr/local/bin/ffmpeg 54MiB |
| 0 4684 C /usr/local/bin/ffmpeg 54MiB |
| 0 4685 C /usr/local/bin/ffmpeg 54MiB |
| 0 4686 C /usr/local/bin/0FRANCE5 108MiB |
| 0 4687 C /usr/local/bin/ffmpeg 54MiB |
| 0 4688 C /usr/local/bin/ffmpeg 54MiB |
| 0 4690 C /usr/local/bin/0CNEWS 107MiB |
| 0 4691 C /usr/local/bin/0CSTAR 108MiB |
| 0 4692 C /usr/local/bin/ffmpeg 108MiB |
| 0 4693 C /usr/local/bin/ffmpeg 108MiB |
| 0 4694 C /usr/local/bin/ffmpeg 108MiB |
| 0 4695 C /usr/local/bin/ffmpeg 108MiB |
±----------------------------------------------------------------------------+