C-Ray
This is a test of C-Ray, a simple multi-threaded raytracer designed to test the floating-point CPU performance.
To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark c-ray.
Project Site
nuclear.mutantstargoat.comSource Repository
github.comTest Created
6 December 2010Last Updated
27 April 2024Test Maintainer
Michael LarabelTest Type
ProcessorAverage Install Time
3 SecondsAverage Run Time
23 SecondsTest Dependencies
C/C++ Compiler ToolchainAccolades
300k+ Downloads + 40k+ Public Benchmark ResultsSupported Platforms
** Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
*** Test profile page view reporting began March 2021.
Data updated weekly as of 20 November 2024.
Suites Using This Test
Performance Metrics
Analyze Test Configuration:C-Ray 2.0
Resolution: 1080p - Rays Per Pixel: 16
OpenBenchmarking.org metrics for this test profile configuration based on 870 public results since 27 April 2024 with the latest data as of 19 November 2024.
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.
Based on OpenBenchmarking.org data, the selected test / test configuration (C-Ray 2.0 - Resolution: 1080p - Rays Per Pixel: 16) has an average run-time of 7 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.
Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.2%.
Does It Scale Well With Increasing Cores?
Yes, based on the automated analysis of the collected public benchmark data, this test / test settings does generally scale well with increasing CPU core counts. Data based on publicly available results for this test / test settings, separated by vendor, result divided by the reference CPU clock speed, grouped by matching physical CPU core count, and normalized against the smallest core count tested from each vendor for each CPU having a sufficient number of test samples and statistically significant data.
Notable Instruction Set Usage
Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.
This test profile binary relies on the shared libraries libm.so.6, libc.so.6.
Tested CPU Architectures
This benchmark has been successfully tested on the below mentioned architectures. The CPU architectures listed is where successful OpenBenchmarking.org result uploads occurred, namely for helping to determine if a given test is compatible with various alternative CPU architectures.
Recent Test Results
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1 System - 1 Benchmark Result |
AMD Ryzen 7 7840HS - LENOVO Legion Slim 7 16APH8 LNVNB161216 - AMD Device 14e8 cachyos rolling - 6.11.8-2-cachyos - KDE Plasma 6.2.3 |
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1 System - 1 Benchmark Result |
Apple M4 - Apple Mac mini - 16GB macOS 15.2 - 24.2.0 - OpenCL 1.2 |
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1 System - 1 Benchmark Result |
Apple M4 - Apple Mac mini - 16GB macOS 15.2 - 24.2.0 - OpenCL 1.2 |
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1 System - 1 Benchmark Result |
Intel Core i5-1135G7 - 8GB - 0GB Virtual Disk + 2GB Virtual Disk + 1100GB Virtual Disk Ubuntu 24.04 - 5.15.167.4-microsoft-standard-WSL2 - Wayland |
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1 System - 2 Benchmark Results |
2 x Intel Core Ultra 7 155H - Intel 440BX - Intel 440BX Ubuntu 24.04 - 6.8.0-48-generic - GNOME Shell 46.0 |
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4 Systems - 237 Benchmark Results |
Apple M4 - Apple Mac mini - 16GB macOS 15.1 - 24.1.0 - GCC 16.0.0 + Clang 16.0.0 + Xcode 16.1 |
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1 System - 35 Benchmark Results |
QEMU Virtual 2.5+ - QEMU Standard PC - Intel 82G33 Fedora 41 - 6.11.7-300.fc41.x86_64 - GNOME Shell 47.1 |
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1 System - 3 Benchmark Results |
AMD Ryzen 7 5825U - 8GB - 0GB Virtual Disk + 2GB Virtual Disk + 1100GB Virtual Disk Ubuntu 22.04 - 5.15.153.1-microsoft-standard-WSL2 - Wayland |
Most Popular Test Results
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3 Systems - 413 Benchmark Results |
Intel Core Ultra 7 155H - MTL Swift SFG14-72T Coral_MTH - Intel Device 7e7f Ubuntu 24.04 - 6.10.0-061000rc4daily20240621-generic - GNOME Shell 46.0 |
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18 Systems - 442 Benchmark Results |
Intel Core i5-14400F - ASUS PRIME Z790-P WIFI - Intel Raptor Lake-S PCH Ubuntu 24.04 - 6.10.0-061000rc2-generic - GNOME Shell 46.0 |
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Featured Kernel Comparison |
Intel Core Ultra 7 155H - MTL Swift SFG14-72T Coral_MTH - Intel Device 7e7f Ubuntu 24.04 - 6.10.0-rc2-stock - GNOME Shell 46.0 |
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2 Systems - 1012 Benchmark Results |
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5 Systems - 84 Benchmark Results
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AMD Ryzen Threadripper 7980X 64-Cores - System76 Thelio Major - AMD Device 14a4 Ubuntu 24.04 - 6.8.0-35-generic - GNOME Shell 46.0
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3 Systems - 111 Benchmark Results
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2 x AMD EPYC 9734 112-Core - AMD Titanite_4G - AMD Device 14a4 Ubuntu 24.04 - 6.8.0-22-generic - GCC 13.2.0
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2 Systems - 114 Benchmark Results
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AMD Ryzen Threadripper 7980X 64-Cores - System76 Thelio Major thelio-major-r5 - AMD [AMD] DragonFly - 6.4-RELEASE - GCC 8.3
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4 Systems - 78 Benchmark Results
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Intel Core i9-14900K - ASUS PRIME Z790-P WIFI - Intel Raptor Lake-S PCH Clear Linux OS 41680 - 6.8.9-1432.native - GNOME Shell 46.1
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73 Systems - 527 Benchmark Results
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2 Systems - 552 Benchmark Results
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4 Systems - 70 Benchmark Results
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AMD Ryzen 9 5950X 16-Core - AMD Starship - 64GB Debian - 6.9.3-sven - Xfce
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2 Systems - 107 Benchmark Results
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AMD Ryzen 7 7840U - PHX Swift SFE16-43 Ray_PEU - AMD Device 14e8 Tuxedo 22.04 - 6.5.0-10022-tuxedo - KDE Plasma 5.27.10
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2 Systems - 55 Benchmark Results
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Intel Core Ultra 7 165U - LENOVO ThinkPad T14 Gen 5 21MLCTO1WW - Intel Device 7e7f Ubuntu 22.04 - 6.5.0-28-generic - GNOME Shell 42.9
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2 Systems - 307 Benchmark Results
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Intel Core i9-14900K - ASUS PRIME Z790-P WIFI - Intel Device 7a27 Ubuntu 23.10 - 6.9.0-060900rc3daily20240410-generic - GNOME Shell 45.1
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44 Systems - 425 Benchmark Results
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Intel Core i7-14700K - ASUS ProArt B760-CREATOR - Intel Device 7a27 SystemRescue 10.01 - 6.1.30-1-lts - X Server 1.21.1.8 |