C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image.

Learn more about this test at the upstream project site: http://www.futuretech.blinkenlights.nl/c-ray.html.

This utility test profile is maintained by Michael Larabel. This OpenBenchmarking.org test profile was created on 6 December 2010 and last updated on 28 July 2018. To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark c-ray.

This test has an average install time of 1 second and an average run-time of 4 minutes, 1 second.

300k+ Downloads + 40k+ Public Benchmark Results

Installation StatsTest Completion StatsOpenBenchmarking.orgEventsC-Ray Popularitypts/c-ray2015.102015.122016.022016.042016.062016.082016.102016.122017.022017.042017.062017.082017.102017.122018.022018.042018.062018.082018.102018.122019.022019.042019.062019.082019.102019.122020.022020.042020.062020.084411236824295362224814960076

* Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting.

Revision History

pts/c-ray-1.2.0   [View Source]   28 Jul 2018 12:25 EDT
Increase the ray and image size to be more demanding on newer CPUs.

pts/c-ray-1.1.1   [View Source]   03 Mar 2018 20:19 EST
Add Windows support.

pts/c-ray-1.1.0   [View Source]   29 Jan 2012 11:41 EST
Build c-ray directly rather than using its basic makefile.

pts/c-ray-1.0.0   [View Source]   06 Dec 2010 14:37 EST
Initial import into OpenBenchmarking.org

Suites Using This Test

C/C++ Compiler Tests

Multi-Core

CPU Massive

Server CPU Tests

Creator Workloads

Renderers

Raytracing

Performance Metrics

Analyze Test Configuration:

C-Ray 1.1

Total Time - 4K, 16 Rays Per Pixel

OpenBenchmarking.org metrics for this test profile configuration based on 5,192 public samples since 28 July 2018 with the latest data as of 23 October 2020.

Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.

Component
Percentile Rank
Seconds (Average)
Mid-Tier
75th
> 52
64th
85
55th
118
Median
50th
153
Low-Tier
25th
> 393
1st
9687
OpenBenchmarking.orgDistribution Of Public Results - Total Time - 4K, 16 Rays Per Pixel5192 Results Range From 5 To 35440 Seconds5714142321322841355042594968567763867095780485139222993110640113491205812767134761418514894156031631217021177301843919148198572056621275219842269323402241112482025529262382694727656283652907429783304923120131910326193332834037347463545510002000300040005000

Based on OpenBenchmarking.org data, the selected test / test configuration (C-Ray 1.1 - Total Time - 4K, 16 Rays Per Pixel) has an average run-time of 16 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.

OpenBenchmarking.orgMinutesTime Required To Complete BenchmarkTotal Time - 4K, 16 Rays Per PixelRun-Time306090120150Min: 1 / Avg: 15.35 / Max: 184

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.4%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTotal Time - 4K, 16 Rays Per PixelDeviation3691215Min: 0 / Avg: 0.39 / Max: 10

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