LLVM Clang 16 vs. GCC 13 Compiler Performance On AMD 4th Gen EPYC "Genoa"

Written by Michael Larabel in Software on 30 May 2023 at 11:42 AM EDT. Page 4 of 6. 12 Comments.

👁 Kvazaar benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Slow. Clang 16.0.3 was the fastest.

👁 Kvazaar benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Medium. Clang 16.0.3 was the fastest.

👁 Kvazaar benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Very Fast. Clang 16.0.3 was the fastest.

👁 Kvazaar benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Super Fast. GCC 13.1.1 was the fastest.

👁 SVT-AV1 benchmark with settings of Encoder Mode: Preset 4, Input: Bosphorus 4K. Clang 16.0.3 was the fastest.

👁 SVT-AV1 benchmark with settings of Encoder Mode: Preset 8, Input: Bosphorus 4K. Clang 16.0.3 was the fastest.

👁 SVT-AV1 benchmark with settings of Encoder Mode: Preset 12, Input: Bosphorus 4K. GCC 13.1.1 was the fastest.

👁 SVT-AV1 benchmark with settings of Encoder Mode: Preset 13, Input: Bosphorus 4K. Clang 16.0.3 was the fastest.

👁 uvg266 benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Medium. Clang 16.0.3 was the fastest.

👁 uvg266 benchmark with settings of Video Input: Bosphorus 1080p, Video Preset: Medium. Clang 16.0.3 was the fastest.

👁 uvg266 benchmark with settings of Video Input: Bosphorus 4K, Video Preset: Ultra Fast. Clang 16.0.3 was the fastest.

👁 uvg266 benchmark with settings of Video Input: Bosphorus 1080p, Video Preset: Very Fast. Clang 16.0.3 was the fastest.

👁 uvg266 benchmark with settings of Video Input: Bosphorus 1080p, Video Preset: Super Fast. Clang 16.0.3 was the fastest.

👁 x265 benchmark with settings of Video Input: Bosphorus 4K. Clang 16.0.3 was the fastest.

In some of the video encoding benchmarks there were some advantages of building these open-source video coding solutions with the Clang compiler on the AMD 4th Gen EPYC server.

👁 Coremark benchmark with settings of CoreMark Size 666, Iterations Per Second. GCC 13.1.1 was the fastest.

👁 Stockfish benchmark with settings of Total Time. GCC 13.1.1 was the fastest.

👁 Stargate Digital Audio Workstation benchmark with settings of Sample Rate: 44100, Buffer Size: 512. Clang 16.0.3 was the fastest.

👁 Stargate Digital Audio Workstation benchmark with settings of Sample Rate: 192000, Buffer Size: 512. Clang 16.0.3 was the fastest.

👁 libavif avifenc benchmark with settings of Encoder Speed: 6, Lossless. Clang 16.0.3 was the fastest.

👁 libavif avifenc benchmark with settings of Encoder Speed: 10, Lossless. Clang 16.0.3 was the fastest.

👁 C-Ray benchmark with settings of Total Time, 4K, 16 Rays Per Pixel. GCC 13.1.1 was the fastest.

👁 POV-Ray benchmark with settings of Trace Time. Clang 16.0.3 was the fastest.

Both GCC 13 and Clang 16 were working out very well on the AMD Zen 4 server being tested with Fedora Server 38.

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URL: https://www.phoronix.com/review/amd-znver4-gcc13-clang16/4

⇱ LLVM Clang 16 vs. GCC 13 Compiler Performance On AMD 4th Gen EPYC "Genoa" - Phoronix

LLVM Clang 16 vs. GCC 13 Compiler Performance On AMD 4th Gen EPYC "Genoa"