Benchmarks

When deploying Smelter, it is essential to choose a server with an adequate processing power. To assist in this process, we have developed a series of benchmarks.

Each of the following examples is testing max number of inputs and outputs that the instance can handle. It provides 3 variants with different ratio of inputs to outputs. Each output renders 1, 2 or 4 inputs using tiles.

Overview

• Capacity Testing: Each test examines the maximum number of inputs and outputs the server instance can handle.
• Processing Details: We’re testing examples with 1, 2, or 4 inputs, each using Tiles component.

You can see the most important benchmarks below. Visit our GitHub repository for more results and the exact implementation of the benchmarks.

g4dn.xlarge

CPU: 4vCPU, Memory: 16GB, GPU: Nvidia T4

• Input: 720p24fps, Output: 720p24fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	12	12
  1:1	veryfast	6	6
  1:1	fast	3	3
  2:1	ultrafast	26	13
  2:1	veryfast	14	7
  2:1	fast	6	3
  4:1	ultrafast	32	8
  4:1	veryfast	20	5
  4:1	fast	8	2

• Input: 1080p 30fps, Output: 1080p 30fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	5	5
  1:1	veryfast	2	2
  1:1	fast	1	1
  2:1	ultrafast	10	5
  2:1	veryfast	6	3
  2:1	fast	2	1
  4:1	ultrafast	16	4
  4:1	veryfast	8	2
  4:1	fast	-	-

g4dn.2xlarge

CPU: 16vCPU, Memory: 32GB, GPU: Nvidia T4

• Input: 720p24fps, Output: 720p24fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	22	22
  1:1	veryfast	12	12
  1:1	fast	6	6
  2:1	ultrafast	36	18
  2:1	veryfast	28	14
  2:1	fast	14	7
  4:1	ultrafast	36	9
  4:1	veryfast	36	9
  4:1	fast	16	4

• Input: 1080p30fps, Output: 1080p30fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	10	10
  1:1	veryfast	4	4
  1:1	fast	2	2
  2:1	ultrafast	18	9
  2:1	veryfast	12	6
  2:1	fast	6	3
  4:1	ultrafast	20	5
  4:1	veryfast	16	4
  4:1	fast	4	1

c5.2xlarge

CPU: 8vCPU, Memory: 16GB

• Input: 720p24fps, Output: 720p24fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	1	1
  1:1	veryfast	1	1
  1:1	fast	1	1
  2:1	ultrafast	2	1
  2:1	veryfast	2	1
  2:1	fast	2	1
  4:1	ultrafast	4	1
  4:1	veryfast	-	-
  4:1	fast	-	-

c5.4xlarge

CPU: 16vCPU, Memory: 32GB

• Input: 720p24fps, Output: 720p24fps

  Input/output ratio	Encoder preset	Max inputs	Max outputs
  1:1	ultrafast	3	3
  1:1	veryfast	3	3
  1:1	fast	2	2
  2:1	ultrafast	6	3
  2:1	veryfast	4	2
  2:1	fast	4	2
  4:1	ultrafast	4	1
  4:1	veryfast	4	1
  4:1	fast	4	1