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⇱ GCC 14 vs. LLVM Clang 18 Compiler Performance On Fedora 40 - Phoronix

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GCC 14 vs. LLVM Clang 18 Compiler Performance On Fedora 40

Written by Michael Larabel in Software on 24 April 2024 at 11:02 AM EDT. Page 3 of 5. 35 Comments.

👁 LZ4 Compression benchmark with settings of Compression Level: 3, Compression Speed. GCC 14.0.1 20240411 was the fastest.

👁 LZ4 Compression benchmark with settings of Compression Level: 3, Decompression Speed. GCC 14.0.1 20240411 was the fastest.

👁 LZ4 Compression benchmark with settings of Compression Level: 9, Compression Speed. GCC 14.0.1 20240411 was the fastest.

👁 LZ4 Compression benchmark with settings of Compression Level: 9, Decompression Speed. GCC 14.0.1 20240411 was the fastest.

The LZ4 build with GCC tended to be faster than Clang on this AMD Threadripper 7000 series system.

👁 Zstd Compression benchmark with settings of Compression Level: 12, Compression Speed. GCC 14.0.1 20240411 was the fastest.

👁 Zstd Compression benchmark with settings of Compression Level: 12, Decompression Speed. Clang 18.1.1 was the fastest.

👁 Zstd Compression benchmark with settings of Compression Level: 19, Compression Speed. GCC 14.0.1 20240411 was the fastest.

👁 Zstd Compression benchmark with settings of Compression Level: 19, Decompression Speed. Clang 18.1.1 was the fastest.

👁 Zstd Compression benchmark with settings of Compression Level: 19, Long Mode, Compression Speed. Clang 18.1.1 was the fastest.

👁 Zstd Compression benchmark with settings of Compression Level: 19, Long Mode, Decompression Speed. Clang 18.1.1 was the fastest.

The Zstd performance was competitive between both of these compilers tested.

👁 JPEG-XL libjxl benchmark with settings of Input: PNG, Quality: 90. Clang 18.1.1 was the fastest.

👁 JPEG-XL libjxl benchmark with settings of Input: JPEG, Quality: 90. Clang 18.1.1 was the fastest.

👁 JPEG-XL libjxl benchmark with settings of Input: PNG, Quality: 100. GCC 14.0.1 20240411 was the fastest.

👁 WebP Image Encode benchmark with settings of Encode Settings: Quality 100. GCC 14.0.1 20240411 was the fastest.

👁 WebP Image Encode benchmark with settings of Encode Settings: Quality 100, Highest Compression. Clang 18.1.1 was the fastest.

👁 WebP Image Encode benchmark with settings of Encode Settings: Quality 100, Lossless, Highest Compression. Clang 18.1.1 was the fastest.

Very healthy competitive for GCC 14 and Clang 18 on Fedora 40 x86_64.

35 Comments - Next Page

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