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 26 December 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 953 public results since 27 April 2024 with the latest data as of 26 December 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 - 242 Benchmark Results |
Intel Core i3-N305 - (5.27 BIOS) - Intel Alder Lake-N PCH Ubuntu 24.10 - 6.11.0-13-generic - Xfce 4.18 |
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5 Systems - 214 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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5 Systems - 211 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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5 Systems - 205 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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5 Systems - 191 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - KDE Plasma 5.27.10 |
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5 Systems - 190 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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1 System - 3 Benchmark Results |
HUAWEI Kunpeng 920 - THTF BC82AMDT-5220 - Huawei HiSilicon Kylin Linux Advanced Server V10 - 4.19.90-52.22.v2207.ky10.aarch64 - X Server 1.20.8 |
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5 Systems - 184 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - KDE Plasma 5.27.10 |
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5 Systems - 181 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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5 Systems - 176 Benchmark Results |
AMD Ryzen 5 2600 Six-Core - Gigabyte X470 AORUS ULTRA GAMING-CF - AMD 17h Ubuntu 23.10 - 6.5.0-44-generic - X Server 1.21.1.7 |
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1 System - 20 Benchmark Results |
2 x Intel Xeon E5-2697A v4 - ASUS Z10PE-D16 WS - Intel Xeon E7 v4 Debian 11 - 5.10.0-13-amd64 - KDE Plasma |
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1 System - 20 Benchmark Results |
2 x Intel Xeon E5-2697A v4 - ASUS Z10PE-D16 WS - Intel Xeon E7 v4 Debian 11 - 5.10.0-13-amd64 - KDE Plasma |
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1 System - 1 Benchmark Result |
Intel Xeon - RDO KVM - Intel 440FX 82441FX PMC BigCloud Enterprise Linux 22.10 - 5.10.0-136.74.0.154.22.oe2203sp1.bclinux.x86_64 - GCC 10.3.1 |
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1 System - 1 Benchmark Result |
2 x Intel Xeon - RDO KVM - Intel 440FX 82441FX PMC BigCloud Enterprise Linux 22.10 - 5.10.0-136.74.0.154.22.oe2203sp1.bclinux.x86_64 - GCC 10.3.1 |
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2 Systems - 628 Benchmark Results |
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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 |
AMD Ryzen 9 7900 12-Core - ASUS ROG STRIX X670E-E GAMING WIFI - AMD Device 14d8 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-mtl-patch - GNOME Shell 46.0 |
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5 Systems - 84 Benchmark Results |
AMD Ryzen Threadripper 7980X 64-Cores - System76 Thelio Major thelio-major-r5 - AMD [AMD] FreeBSD - 14.1-RELEASE - Clang 18.1.5 |
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2 Systems - 1012 Benchmark Results |
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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 - 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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4 Systems - 78 Benchmark Results
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Intel Core i9-14900K - ASUS PRIME Z790-P WIFI - Intel Raptor Lake-S PCH Ubuntu 24.04 - 6.8.0-31-generic - GNOME Shell 46.0
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73 Systems - 527 Benchmark Results
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2 x Intel Xeon E5-2680 v4 - Intel S2600CW - Intel Xeon E7 v4 Arch Linux - 6.9.7-arch1-1 - GCC 14.1.1 20240522
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2 Systems - 552 Benchmark Results
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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 - 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 - 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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3 Systems - 91 Benchmark Results
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Intel Core i9-10980XE - ASRock X299 Steel Legend - Intel Sky Lake-E DMI3 Registers Ubuntu 22.04 - 6.5.0-26-generic - GNOME Shell 42.2 |