{
  "id": 167413,
  "title": "Is detecting a deepfake taxing on GPU?",
  "url": "/competitions/deepfake-detection-challenge/discussion/167413",
  "author_name": "",
  "post_date": "2020-07-16T11:30:10.203371700Z",
  "votes": null,
  "comment_count": 4,
  "views": 0,
  "content": "<p>I have trained a couple of deepfakes that took on average 40-50 hours to train on an 11gb GPU such as GTX 1080 Ti and then swap the faces on each frame in the video. The video was about a minute in length.</p>\n\n<p>But I wonder if detecting a deepfake could be equally taxing on the GPUs? Or is that a pretty fast process in terms of computing requirements?</p>\n\n<p>I think if it's like an inference approach then it shouldn't be that GPU intensive. But would love to know your thoughts.</p>",
  "messages": [
    {
      "id": "931687",
      "postDate": "07/16/2020 11:30:10",
      "content": "<p>I have trained a couple of deepfakes that took on average 40-50 hours to train on an 11gb GPU such as GTX 1080 Ti and then swap the faces on each frame in the video. The video was about a minute in length.</p>\n\n<p>But I wonder if detecting a deepfake could be equally taxing on the GPUs? Or is that a pretty fast process in terms of computing requirements?</p>\n\n<p>I think if it's like an inference approach then it shouldn't be that GPU intensive. But would love to know your thoughts.</p>",
      "rawMarkdown": "I have trained a couple of deepfakes that took on average 40-50 hours to train on an 11gb GPU such as GTX 1080 Ti and then swap the faces on each frame in the video. The video was about a minute in length.\n\nBut I wonder if detecting a deepfake could be equally taxing on the GPUs? Or is that a pretty fast process in terms of computing requirements?\n\nI think if it's like an inference approach then it shouldn't be that GPU intensive. But would love to know your thoughts.",
      "votes": null
    },
    {
      "id": "931729",
      "postDate": "07/16/2020 12:10:36",
      "content": "<p>Since the competition was limited to 9 hours GPU time, this gives about 8 seconds per video.</p>\n\n<p>Note: 8 seconds total includes all activities such as reading the video, extracting frames, and testing 20-40 frames (images) on all your ensemble models, and coming up with the final prediction for that video.</p>",
      "rawMarkdown": "Since the competition was limited to 9 hours GPU time, this gives about 8 seconds per video.\n\nNote: 8 seconds total includes all activities such as reading the video, extracting frames, and testing 20-40 frames (images) on all your ensemble models, and coming up with the final prediction for that video.",
      "votes": null
    },
    {
      "id": "931738",
      "postDate": "07/16/2020 12:17:37",
      "content": "<p>Wow. That's quite a lot of computing in a very short amount of time. I'm trying to understand another thing here. Since you mentioned that the GPU time was limited. Did that mean the same GPU for everyone? </p>",
      "rawMarkdown": "Wow. That's quite a lot of computing in a very short amount of time. I'm trying to understand another thing here. Since you mentioned that the GPU time was limited. Did that mean the same GPU for everyone?",
      "votes": null
    },
    {
      "id": "931792",
      "postDate": "07/16/2020 12:57:57",
      "content": "<p>\"9 hours run-time on Kaggle's P100 GPUs\" is mentioned in the project <a href=\"https://www.kaggle.com/c/deepfake-detection-challenge/overview/code-requirements\">Requirements</a></p>",
      "rawMarkdown": "\"9 hours run-time on Kaggle's P100 GPUs\" is mentioned in the project [Requirements](https://www.kaggle.com/c/deepfake-detection-challenge/overview/code-requirements)",
      "votes": null
    },
    {
      "id": "931802",
      "postDate": "07/16/2020 13:11:04",
      "content": "<p>Thanks. Forgot to look at that.</p>",
      "rawMarkdown": "Thanks. Forgot to look at that.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 931729,
      "author_name": "sirishks",
      "author_url": "",
      "post_date": "07/16/2020 12:10:36",
      "content": "<p>Since the competition was limited to 9 hours GPU time, this gives about 8 seconds per video.</p>\n\n<p>Note: 8 seconds total includes all activities such as reading the video, extracting frames, and testing 20-40 frames (images) on all your ensemble models, and coming up with the final prediction for that video.</p>",
      "votes": null,
      "replies": [
        {
          "id": 931738,
          "author_name": "genesis96839",
          "author_url": "",
          "post_date": "07/16/2020 12:17:37",
          "content": "<p>Wow. That's quite a lot of computing in a very short amount of time. I'm trying to understand another thing here. Since you mentioned that the GPU time was limited. Did that mean the same GPU for everyone? </p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 931792,
          "author_name": "sirishks",
          "author_url": "",
          "post_date": "07/16/2020 12:57:57",
          "content": "<p>\"9 hours run-time on Kaggle's P100 GPUs\" is mentioned in the project <a href=\"https://www.kaggle.com/c/deepfake-detection-challenge/overview/code-requirements\">Requirements</a></p>",
          "votes": null,
          "replies": []
        },
        {
          "id": 931802,
          "author_name": "genesis96839",
          "author_url": "",
          "post_date": "07/16/2020 13:11:04",
          "content": "<p>Thanks. Forgot to look at that.</p>",
          "votes": null,
          "replies": []
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "931687": "I have trained a couple of deepfakes that took on average 40-50 hours to train on an 11gb GPU such as GTX 1080 Ti and then swap the faces on each frame in the video. The video was about a minute in length.\n\nBut I wonder if detecting a deepfake could be equally taxing on the GPUs? Or is that a pretty fast process in terms of computing requirements?\n\nI think if it's like an inference approach then it shouldn't be that GPU intensive. But would love to know your thoughts.",
    "931729": "Since the competition was limited to 9 hours GPU time, this gives about 8 seconds per video.\n\nNote: 8 seconds total includes all activities such as reading the video, extracting frames, and testing 20-40 frames (images) on all your ensemble models, and coming up with the final prediction for that video.",
    "931738": "Wow. That's quite a lot of computing in a very short amount of time. I'm trying to understand another thing here. Since you mentioned that the GPU time was limited. Did that mean the same GPU for everyone?",
    "931792": "\"9 hours run-time on Kaggle's P100 GPUs\" is mentioned in the project [Requirements](https://www.kaggle.com/c/deepfake-detection-challenge/overview/code-requirements)",
    "931802": "Thanks. Forgot to look at that."
  },
  "source": "meta"
}