GCC 11 Intel Rocket Lake Compiler Optimization Levels
Tests for a future article.


-O3 -march=native: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O1: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O0: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-Og: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O2: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O2 -march=native: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O2 -flto: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O3: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O3 -flto: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-O3 -march=native -flto: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-Ofast -march=native: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160

-Ofast: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600 + 257GB Flash Drive, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411

	OS: Fedora 34, Kernel: 5.12.9-300.fc34.x86_64 (x86_64), Desktop: GNOME Shell 40.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.1 (LLVM 12.0.0), Compiler: GCC 11.1.1 20210531, File-System: btrfs, Screen Resolution: 3840x2160


Crypto++ 8.2
Test: All Algorithms
MiB/second > Higher Is Better
-O3 -march=native ....... 2346.36 |============================================
-O1 ..................... 2114.62 |========================================
-O0 ..................... 542.23  |==========
-Og ..................... 1975.63 |=====================================
-O2 ..................... 2245.55 |==========================================
-O2 -march=native ....... 2261.01 |==========================================
-O2 -flto ............... 2224.10 |==========================================
-O3 ..................... 2316.41 |===========================================
-O3 -flto ............... 2269.04 |===========================================
-O3 -march=native -flto . 2278.38 |===========================================
-Ofast -march=native .... 2330.25 |============================================
-Ofast .................. 2320.94 |============================================


Crypto++ 8.2
Test: Keyed Algorithms
MiB/second > Higher Is Better
-O3 -march=native ....... 924.21 |=============================================
-O1 ..................... 751.48 |=====================================
-O0 ..................... 135.96 |=======
-Og ..................... 676.03 |=================================
-O2 ..................... 825.82 |========================================
-O2 -march=native ....... 844.68 |=========================================
-O2 -flto ............... 794.97 |=======================================
-O3 ..................... 910.86 |============================================
-O3 -flto ............... 828.89 |========================================
-O3 -march=native -flto . 842.10 |=========================================
-Ofast -march=native .... 922.64 |=============================================
-Ofast .................. 910.43 |============================================


Crypto++ 8.2
Test: Unkeyed Algorithms
MiB/second > Higher Is Better
-O3 -march=native ....... 491.45 |=============================================
-O1 ..................... 472.95 |===========================================
-O0 ..................... 150.67 |==============
-Og ..................... 450.93 |=========================================
-O2 ..................... 492.24 |=============================================
-O2 -march=native ....... 484.45 |============================================
-O2 -flto ............... 475.00 |===========================================
-O3 ..................... 496.42 |=============================================
-O3 -flto ............... 490.79 |============================================
-O3 -march=native -flto . 490.39 |============================================
-Ofast -march=native .... 490.61 |============================================
-Ofast .................. 495.40 |=============================================


Crypto++ 8.2
Test: Integer + Elliptic Curve Public Key Algorithms
MiB/second > Higher Is Better
-O3 -march=native ....... 7194.86 |============================================
-O1 ..................... 6862.79 |==========================================
-O0 ..................... 2145.95 |=============
-Og ..................... 6555.53 |========================================
-O2 ..................... 7128.98 |===========================================
-O2 -march=native ....... 7173.76 |===========================================
-O2 -flto ............... 7257.05 |============================================
-O3 ..................... 7052.85 |===========================================
-O3 -flto ............... 7270.92 |============================================
-O3 -march=native -flto . 7252.64 |============================================
-Ofast -march=native .... 7097.81 |===========================================
-Ofast .................. 7091.95 |===========================================


Timed MrBayes Analysis 3.2.7
Primate Phylogeny Analysis
Seconds < Lower Is Better
-O3 -march=native ....... 83.43  |==============
-O1 ..................... 88.53  |===============
-O0 ..................... 265.31 |=============================================
-Og ..................... 93.34  |================
-O2 ..................... 84.36  |==============
-O2 -march=native ....... 88.44  |===============
-O2 -flto ............... 85.58  |===============
-O3 ..................... 81.37  |==============
-O3 -flto ............... 80.56  |==============
-O3 -march=native -flto . 83.30  |==============
-Ofast -march=native .... 50.81  |=========
-Ofast .................. 46.56  |========


Timed HMMer Search 3.3.2
Pfam Database Search
Seconds < Lower Is Better
-O3 -march=native ....... 99.48  |========
-O1 ..................... 103.74 |=========
-O0 ..................... 532.07 |=============================================
-Og ..................... 114.92 |==========
-O2 ..................... 102.36 |=========
-O2 -march=native ....... 100.40 |========
-O2 -flto ............... 101.85 |=========
-O3 ..................... 103.13 |=========
-O3 -flto ............... 102.32 |=========
-O3 -march=native -flto . 99.81  |========
-Ofast -march=native .... 89.95  |========
-Ofast .................. 93.79  |========


Zstd Compression 1.5.0
Compression Level: 3 - Compression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 2731.5 |=============================================
-O1 ..................... 2568.0 |==========================================
-O0 ..................... 1005.1 |=================
-Og ..................... 2376.3 |=======================================
-O2 ..................... 2707.6 |=============================================
-O2 -march=native ....... 2729.4 |=============================================
-O2 -flto ............... 2723.2 |=============================================
-O3 ..................... 2660.5 |============================================
-O3 -flto ............... 2712.7 |=============================================
-O3 -march=native -flto . 2719.6 |=============================================
-Ofast -march=native .... 2711.4 |=============================================
-Ofast .................. 2658.3 |============================================


Zstd Compression 1.5.0
Compression Level: 3 - Decompression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 4997.8 |===========================================
-O1 ..................... 4847.5 |==========================================
-O0 ..................... 1030.1 |=========
-Og ..................... 3791.4 |=================================
-O2 ..................... 5191.9 |=============================================
-O2 -march=native ....... 5093.5 |============================================
-O2 -flto ............... 5087.0 |============================================
-O3 ..................... 5151.9 |=============================================
-O3 -flto ............... 4972.9 |===========================================
-O3 -march=native -flto . 4935.5 |===========================================
-Ofast -march=native .... 4991.4 |===========================================
-Ofast .................. 5174.7 |=============================================


Zstd Compression 1.5.0
Compression Level: 8 - Decompression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 5189.9 |===========================================
-O1 ..................... 5075.8 |==========================================
-O0 ..................... 1087.0 |=========
-Og ..................... 3939.4 |=================================
-O2 ..................... 5394.8 |=============================================
-O2 -march=native ....... 5324.1 |============================================
-O2 -flto ............... 5207.4 |===========================================
-O3 ..................... 5332.9 |============================================
-O3 -flto ............... 5121.7 |===========================================
-O3 -march=native -flto . 5105.5 |===========================================
-Ofast -march=native .... 5209.0 |===========================================
-Ofast .................. 5383.8 |=============================================


Zstd Compression 1.5.0
Compression Level: 8, Long Mode - Compression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 285.9 |==========================================
-O1 ..................... 281.5 |=========================================
-O0 ..................... 244.1 |===================================
-Og ..................... 316.6 |==============================================
-O2 ..................... 298.9 |===========================================
-O2 -march=native ....... 277.0 |========================================
-O2 -flto ............... 299.1 |===========================================
-O3 ..................... 308.4 |=============================================
-O3 -flto ............... 306.7 |=============================================
-O3 -march=native -flto . 287.7 |==========================================
-Ofast -march=native .... 276.5 |========================================
-Ofast .................. 300.7 |============================================


Zstd Compression 1.5.0
Compression Level: 8, Long Mode - Decompression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 5542.9 |===========================================
-O1 ..................... 5385.7 |==========================================
-O0 ..................... 1206.4 |=========
-Og ..................... 4236.9 |=================================
-O2 ..................... 5749.7 |=============================================
-O2 -march=native ....... 5649.1 |============================================
-O2 -flto ............... 5628.6 |============================================
-O3 ..................... 5676.9 |============================================
-O3 -flto ............... 5474.8 |===========================================
-O3 -march=native -flto . 5478.3 |===========================================
-Ofast -march=native .... 5529.2 |===========================================
-Ofast .................. 5734.4 |=============================================


Zstd Compression 1.5.0
Compression Level: 19, Long Mode - Decompression Speed
MB/s > Higher Is Better
-O3 -march=native ....... 4540.6 |===========================================
-O1 ..................... 4506.0 |==========================================
-O0 ..................... 1066.8 |==========
-Og ..................... 3476.6 |=================================
-O2 ..................... 4791.0 |=============================================
-O2 -march=native ....... 4676.5 |============================================
-O2 -flto ............... 4693.2 |============================================
-O3 ..................... 4720.0 |============================================
-O3 -flto ............... 4602.9 |===========================================
-O3 -march=native -flto . 4591.0 |===========================================
-Ofast -march=native .... 4589.4 |===========================================
-Ofast .................. 4725.4 |============================================


Botan 2.17.3
Test: KASUMI
MiB/s > Higher Is Better
-O3 -march=native ....... 115.82 |==========================================
-O1 ..................... 108.28 |=======================================
-O0 ..................... 34.46  |============
-Og ..................... 100.68 |====================================
-O2 ..................... 119.47 |===========================================
-O2 -march=native ....... 112.45 |=========================================
-O2 -flto ............... 119.38 |===========================================
-O3 ..................... 124.04 |=============================================
-O3 -flto ............... 124.15 |=============================================
-O3 -march=native -flto . 116.01 |==========================================
-Ofast -march=native .... 116.05 |==========================================
-Ofast .................. 124.16 |=============================================


Botan 2.17.3
Test: KASUMI - Decrypt
MiB/s > Higher Is Better
-O3 -march=native ....... 112.03 |==========================================
-O1 ..................... 106.48 |========================================
-O0 ..................... 32.60  |============
-Og ..................... 98.83  |=====================================
-O2 ..................... 115.40 |============================================
-O2 -march=native ....... 111.71 |==========================================
-O2 -flto ............... 114.98 |===========================================
-O3 ..................... 118.83 |=============================================
-O3 -flto ............... 119.06 |=============================================
-O3 -march=native -flto . 112.04 |==========================================
-Ofast -march=native .... 112.37 |==========================================
-Ofast .................. 118.79 |=============================================


Botan 2.17.3
Test: Twofish
MiB/s > Higher Is Better
-O3 -march=native ....... 464.47 |============================================
-O1 ..................... 430.95 |=========================================
-O0 ..................... 43.45  |====
-Og ..................... 384.86 |=====================================
-O2 ..................... 448.57 |===========================================
-O2 -march=native ....... 470.94 |=============================================
-O2 -flto ............... 448.40 |===========================================
-O3 ..................... 449.44 |===========================================
-O3 -flto ............... 448.62 |===========================================
-O3 -march=native -flto . 463.01 |============================================
-Ofast -march=native .... 463.94 |============================================
-Ofast .................. 450.00 |===========================================


Botan 2.17.3
Test: Twofish - Decrypt
MiB/s > Higher Is Better
-O3 -march=native ....... 451.66 |===========================================
-O1 ..................... 427.26 |=========================================
-O0 ..................... 43.79  |====
-Og ..................... 387.64 |=====================================
-O2 ..................... 449.21 |===========================================
-O2 -march=native ....... 470.03 |=============================================
-O2 -flto ............... 445.67 |===========================================
-O3 ..................... 451.78 |===========================================
-O3 -flto ............... 451.24 |===========================================
-O3 -march=native -flto . 454.15 |===========================================
-Ofast -march=native .... 449.76 |===========================================
-Ofast .................. 453.84 |===========================================


Botan 2.17.3
Test: Blowfish
MiB/s > Higher Is Better
-O3 -march=native ....... 552.46 |============================================
-O1 ..................... 533.96 |===========================================
-O0 ..................... 47.15  |====
-Og ..................... 443.74 |===================================
-O2 ..................... 562.85 |=============================================
-O2 -march=native ....... 554.07 |============================================
-O2 -flto ............... 563.75 |=============================================
-O3 ..................... 553.53 |============================================
-O3 -flto ............... 551.74 |============================================
-O3 -march=native -flto . 553.17 |============================================
-Ofast -march=native .... 554.57 |============================================
-Ofast .................. 552.87 |============================================


Botan 2.17.3
Test: Blowfish - Decrypt
MiB/s > Higher Is Better
-O3 -march=native ....... 553.52 |=============================================
-O1 ..................... 532.56 |===========================================
-O0 ..................... 46.59  |====
-Og ..................... 441.08 |====================================
-O2 ..................... 549.17 |=============================================
-O2 -march=native ....... 533.32 |===========================================
-O2 -flto ............... 550.13 |=============================================
-O3 ..................... 540.31 |============================================
-O3 -flto ............... 538.67 |============================================
-O3 -march=native -flto . 555.06 |=============================================
-Ofast -march=native .... 553.97 |=============================================
-Ofast .................. 538.43 |============================================


Botan 2.17.3
Test: CAST-256
MiB/s > Higher Is Better
-O3 -march=native ....... 168.76 |===========================================
-O1 ..................... 149.44 |======================================
-O0 ..................... 36.89  |=========
-Og ..................... 160.88 |=========================================
-O2 ..................... 154.29 |=======================================
-O2 -march=native ....... 153.44 |=======================================
-O2 -flto ............... 155.16 |=======================================
-O3 ..................... 178.21 |=============================================
-O3 -flto ............... 170.58 |===========================================
-O3 -march=native -flto . 169.13 |===========================================
-Ofast -march=native .... 168.88 |===========================================
-Ofast .................. 178.33 |=============================================


Botan 2.17.3
Test: CAST-256 - Decrypt
MiB/s > Higher Is Better
-O3 -march=native ....... 168.85 |===========================================
-O1 ..................... 149.81 |======================================
-O0 ..................... 36.34  |=========
-Og ..................... 161.42 |=========================================
-O2 ..................... 150.17 |======================================
-O2 -march=native ....... 158.89 |========================================
-O2 -flto ............... 158.25 |========================================
-O3 ..................... 178.20 |=============================================
-O3 -flto ............... 172.97 |============================================
-O3 -march=native -flto . 168.41 |===========================================
-Ofast -march=native .... 168.83 |===========================================
-Ofast .................. 178.28 |=============================================


Botan 2.17.3
Test: ChaCha20Poly1305 - Decrypt
MiB/s > Higher Is Better
-O3 -march=native ....... 1010.79 |=========================================
-O1 ..................... 1004.65 |=========================================
-O0 ..................... 76.49   |===
-Og ..................... 969.30  |=======================================
-O2 ..................... 901.57  |=====================================
-O2 -march=native ....... 1080.31 |============================================
-O2 -flto ............... 907.74  |=====================================
-O3 ..................... 960.08  |=======================================
-O3 -flto ............... 969.70  |=======================================
-O3 -march=native -flto . 1016.89 |=========================================
-Ofast -march=native .... 1008.85 |=========================================
-Ofast .................. 962.28  |=======================================


GraphicsMagick 1.3.33
Operation: Swirl
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 689 |=============================================
-O1 ..................... 592 |=======================================
-O0 ..................... 378 |=========================
-Og ..................... 581 |======================================
-O2 ..................... 622 |=========================================
-O2 -march=native ....... 682 |=============================================
-O2 -flto ............... 617 |========================================
-O3 ..................... 625 |=========================================
-O3 -flto ............... 612 |========================================
-O3 -march=native -flto . 693 |=============================================
-Ofast -march=native .... 735 |================================================
-Ofast .................. 659 |===========================================


GraphicsMagick 1.3.33
Operation: Sharpen
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 195 |===========================================
-O1 ..................... 162 |====================================
-O0 ..................... 50  |===========
-Og ..................... 87  |===================
-O2 ..................... 164 |====================================
-O2 -march=native ....... 197 |============================================
-O2 -flto ............... 163 |====================================
-O3 ..................... 164 |====================================
-O3 -flto ............... 164 |====================================
-O3 -march=native -flto . 195 |===========================================
-Ofast -march=native .... 217 |================================================
-Ofast .................. 162 |====================================


GraphicsMagick 1.3.33
Operation: Enhanced
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 270 |===========================================
-O1 ..................... 218 |===================================
-O0 ..................... 80  |=============
-Og ..................... 213 |==================================
-O2 ..................... 219 |===================================
-O2 -march=native ....... 265 |===========================================
-O2 -flto ............... 218 |===================================
-O3 ..................... 213 |==================================
-O3 -flto ............... 214 |==================================
-O3 -march=native -flto . 270 |===========================================
-Ofast -march=native .... 299 |================================================
-Ofast .................. 228 |=====================================


GraphicsMagick 1.3.33
Operation: Resizing
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 1222 |===============================================
-O1 ..................... 1021 |=======================================
-O0 ..................... 422  |================
-Og ..................... 763  |=============================
-O2 ..................... 1092 |==========================================
-O2 -march=native ....... 1230 |===============================================
-O2 -flto ............... 1089 |==========================================
-O3 ..................... 1078 |=========================================
-O3 -flto ............... 1086 |=========================================
-O3 -march=native -flto . 1231 |===============================================
-Ofast -march=native .... 1228 |===============================================
-Ofast .................. 1078 |=========================================


GraphicsMagick 1.3.33
Operation: Noise-Gaussian
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 310 |==========================================
-O1 ..................... 306 |==========================================
-O0 ..................... 188 |==========================
-Og ..................... 281 |======================================
-O2 ..................... 304 |=========================================
-O2 -march=native ....... 312 |===========================================
-O2 -flto ............... 303 |=========================================
-O3 ..................... 301 |=========================================
-O3 -flto ............... 305 |==========================================
-O3 -march=native -flto . 314 |===========================================
-Ofast -march=native .... 352 |================================================
-Ofast .................. 348 |===============================================


GraphicsMagick 1.3.33
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
-O3 -march=native ....... 1285 |=============================================
-O1 ..................... 1207 |==========================================
-O0 ..................... 881  |===============================
-Og ..................... 1207 |==========================================
-O2 ..................... 1235 |===========================================
-O2 -march=native ....... 1245 |===========================================
-O2 -flto ............... 1345 |===============================================
-O3 ..................... 1239 |===========================================
-O3 -flto ............... 1343 |===============================================
-O3 -march=native -flto . 1349 |===============================================
-Ofast -march=native .... 1275 |============================================
-Ofast .................. 1267 |============================================


dav1d 0.9.0
Video Input: Summer Nature 4K
FPS > Higher Is Better
-O3 -march=native .... 195.94 |================================================
-O1 .................. 185.95 |==============================================
-O0 .................. 146.06 |====================================
-Og .................. 184.01 |=============================================
-O2 .................. 187.10 |==============================================
-O2 -march=native .... 185.36 |=============================================
-O3 .................. 181.31 |============================================
-Ofast -march=native . 179.95 |============================================
-Ofast ............... 180.05 |============================================


Coremark 1.0
CoreMark Size 666 - Iterations Per Second
Iterations/Sec > Higher Is Better
-O3 -march=native ....... 434724.85 |=========================================
-O1 ..................... 366951.48 |==================================
-O0 ..................... 90409.83  |========
-Og ..................... 261573.76 |========================
-O2 ..................... 428580.32 |========================================
-O2 -march=native ....... 423569.01 |=======================================
-O2 -flto ............... 429492.03 |========================================
-O3 ..................... 440872.96 |=========================================
-O3 -flto ............... 427503.80 |========================================
-O3 -march=native -flto . 436079.65 |=========================================
-Ofast -march=native .... 435243.25 |=========================================
-Ofast .................. 450629.16 |==========================================


PJSIP 2.11
Method: OPTIONS, Stateless
Responses Per Second > Higher Is Better
-O3 -march=native ....... 254610 |=============================================
-O1 ..................... 247106 |===========================================
-O0 ..................... 215182 |======================================
-Og ..................... 247454 |===========================================
-O2 ..................... 253466 |============================================
-O2 -march=native ....... 252495 |============================================
-O2 -flto ............... 255114 |=============================================
-O3 ..................... 253887 |============================================
-O3 -flto ............... 256859 |=============================================
-O3 -march=native -flto . 255381 |=============================================
-Ofast -march=native .... 252869 |============================================
-Ofast .................. 252647 |============================================


C-Ray 1.1
Total Time - 4K, 16 Rays Per Pixel
Seconds < Lower Is Better
-O3 -march=native ....... 47.34  |===========
-O1 ..................... 128.91 |==============================
-O0 ..................... 191.79 |=============================================
-Og ..................... 130.02 |===============================
-O2 ..................... 106.49 |=========================
-O2 -march=native ....... 84.73  |====================
-O2 -flto ............... 106.60 |=========================
-O3 ..................... 66.47  |================
-O3 -flto ............... 66.35  |================
-O3 -march=native -flto . 47.46  |===========
-Ofast -march=native .... 46.14  |===========
-Ofast .................. 63.75  |===============


Smallpt 1.0
Global Illumination Renderer; 128 Samples
Seconds < Lower Is Better
-O3 -march=native ....... 8.401  |=============
-O1 ..................... 9.133  |==============
-O0 ..................... 29.094 |=============================================
-Og ..................... 10.690 |=================
-O2 ..................... 8.770  |==============
-O2 -march=native ....... 7.886  |============
-O2 -flto ............... 8.703  |=============
-O3 ..................... 9.029  |==============
-O3 -flto ............... 9.088  |==============
-O3 -march=native -flto . 8.457  |=============
-Ofast -march=native .... 8.290  |=============
-Ofast .................. 8.590  |=============


AOBench
Size: 2048 x 2048 - Total Time
Seconds < Lower Is Better
-O3 -march=native ....... 21.56 |========================
-O1 ..................... 24.61 |============================
-O0 ..................... 40.88 |==============================================
-Og ..................... 34.36 |=======================================
-O2 ..................... 24.43 |===========================
-O2 -march=native ....... 22.65 |=========================
-O2 -flto ............... 24.27 |===========================
-O3 ..................... 23.69 |===========================
-O3 -flto ............... 23.37 |==========================
-O3 -march=native -flto . 21.54 |========================
-Ofast -march=native .... 21.54 |========================
-Ofast .................. 22.99 |==========================


FLAC Audio Encoding 1.3.2
WAV To FLAC
Seconds < Lower Is Better
-O3 -march=native ....... 5.937  |======
-O1 ..................... 6.590  |=======
-O0 ..................... 41.971 |=============================================
-Og ..................... 6.740  |=======
-O2 ..................... 6.108  |=======
-O2 -march=native ....... 5.941  |======
-O2 -flto ............... 6.063  |=======
-O3 ..................... 6.106  |=======
-O3 -flto ............... 6.073  |=======
-O3 -march=native -flto . 5.938  |======
-Ofast -march=native .... 5.923  |======
-Ofast .................. 6.082  |=======


LAME MP3 Encoding 3.100
WAV To MP3
Seconds < Lower Is Better
-O3 -march=native ....... 5.473  |=============
-O1 ..................... 7.675  |==================
-O0 ..................... 19.012 |=============================================
-Og ..................... 8.480  |====================
-O2 ..................... 7.357  |=================
-O2 -march=native ....... 6.965  |================
-O2 -flto ............... 7.106  |=================
-O3 ..................... 5.884  |==============
-O3 -flto ............... 5.818  |==============
-O3 -march=native -flto . 5.386  |=============
-Ofast -march=native .... 5.456  |=============
-Ofast .................. 5.861  |==============


Opus Codec Encoding 1.3.1
WAV To Opus Encode
Seconds < Lower Is Better
-O3 -march=native ....... 5.595  |==========
-O1 ..................... 6.828  |============
-O0 ..................... 25.496 |=============================================
-Og ..................... 7.699  |==============
-O2 ..................... 6.436  |===========
-O2 -march=native ....... 5.906  |==========
-O2 -flto ............... 6.632  |============
-O3 ..................... 6.152  |===========
-O3 -flto ............... 6.175  |===========
-O3 -march=native -flto . 5.550  |==========


eSpeak-NG Speech Engine 20200907
Text-To-Speech Synthesis
Seconds < Lower Is Better
-O3 -march=native ....... 21.77 |=================
-O1 ..................... 24.00 |===================
-O0 ..................... 59.01 |==============================================
-Og ..................... 26.89 |=====================
-O2 ..................... 21.41 |=================
-O2 -march=native ....... 22.23 |=================
-O2 -flto ............... 21.66 |=================
-O3 ..................... 22.93 |==================
-O3 -flto ............... 21.60 |=================
-O3 -march=native -flto . 22.66 |==================
-Ofast -march=native .... 21.75 |=================
-Ofast .................. 22.77 |==================


Liquid-DSP 2021.01.31
Threads: 1 - Buffer Length: 256 - Filter Length: 57
samples/s > Higher Is Better
-O3 -march=native ....... 99844333 |===========================================
-O1 ..................... 88411000 |======================================
-O0 ..................... 11024000 |=====
-Og ..................... 66759667 |=============================
-O2 ..................... 92384333 |========================================
-O2 -march=native ....... 97389667 |==========================================
-O2 -flto ............... 92353667 |========================================
-O3 ..................... 95463333 |=========================================
-O3 -flto ............... 95045333 |=========================================
-O3 -march=native -flto . 99749333 |===========================================
-Ofast -march=native .... 96017000 |=========================================
-Ofast .................. 94333667 |=========================================


Liquid-DSP 2021.01.31
Threads: 2 - Buffer Length: 256 - Filter Length: 57
samples/s > Higher Is Better
-O3 -march=native ....... 188003333 |==========================================
-O1 ..................... 162046667 |====================================
-O0 ..................... 21299667  |=====
-Og ..................... 126890000 |============================
-O2 ..................... 173196667 |======================================
-O2 -march=native ....... 184670000 |=========================================
-O2 -flto ............... 173536667 |=======================================
-O3 ..................... 175400000 |=======================================
-O3 -flto ............... 178046667 |========================================
-O3 -march=native -flto . 189120000 |==========================================
-Ofast -march=native .... 182180000 |========================================
-Ofast .................. 178193333 |========================================


Liquid-DSP 2021.01.31
Threads: 4 - Buffer Length: 256 - Filter Length: 57
samples/s > Higher Is Better
-O3 -march=native ....... 363760000 |==========================================
-O1 ..................... 316710000 |=====================================
-O0 ..................... 41181333  |=====
-Og ..................... 242253333 |============================
-O2 ..................... 335913333 |=======================================
-O2 -march=native ....... 355393333 |=========================================
-O2 -flto ............... 335793333 |=======================================
-O3 ..................... 341970000 |=======================================
-O3 -flto ............... 345733333 |========================================
-O3 -march=native -flto . 363303333 |==========================================
-Ofast -march=native .... 349460000 |========================================
-Ofast .................. 341200000 |=======================================


Liquid-DSP 2021.01.31
Threads: 8 - Buffer Length: 256 - Filter Length: 57
samples/s > Higher Is Better
-O3 -march=native ....... 687846667 |==========================================
-O1 ..................... 595816667 |====================================
-O0 ..................... 78172667  |=====
-Og ..................... 462596667 |============================
-O2 ..................... 637103333 |=======================================
-O2 -march=native ....... 674180000 |=========================================
-O2 -flto ............... 637113333 |=======================================
-O3 ..................... 646743333 |=======================================
-O3 -flto ............... 650283333 |========================================
-O3 -march=native -flto . 687796667 |==========================================
-Ofast -march=native .... 671553333 |=========================================
-Ofast .................. 648636667 |========================================


Liquid-DSP 2021.01.31
Threads: 16 - Buffer Length: 256 - Filter Length: 57
samples/s > Higher Is Better
-O3 -march=native ....... 722756667 |==========================================
-O1 ..................... 672296667 |=======================================
-O0 ..................... 90397667  |=====
-Og ..................... 517440000 |==============================
-O2 ..................... 711676667 |=========================================
-O2 -march=native ....... 721436667 |==========================================
-O2 -flto ............... 707806667 |=========================================
-O3 ..................... 711086667 |=========================================
-O3 -flto ............... 713980000 |=========================================
-O3 -march=native -flto . 722200000 |==========================================
-Ofast -march=native .... 684946667 |========================================
-Ofast .................. 671610000 |=======================================


SQLite Speedtest 3.30
Timed Time - Size 1,000
Seconds < Lower Is Better
-O3 -march=native ....... 46.09 |==========================
-O1 ..................... 49.01 |============================
-O0 ..................... 80.89 |==============================================
-Og ..................... 52.67 |==============================
-O2 ..................... 46.31 |==========================
-O2 -march=native ....... 46.09 |==========================
-O2 -flto ............... 46.23 |==========================
-O3 ..................... 46.35 |==========================
-O3 -flto ............... 46.54 |==========================
-O3 -march=native -flto . 46.92 |===========================
-Ofast -march=native .... 46.59 |==========================
-Ofast .................. 47.00 |===========================


Geometric Mean Of All Test Results
Result Composite - GCC 11 Intel Rocket Lake Compiler Optimization Levels
Geometric Mean > Higher Is Better
-O3 -march=native ....... 1605.35 |===========================================
-O1 ..................... 1432.08 |=======================================
-O0 ..................... 377.79  |==========
-Og ..................... 1252.51 |==================================
-O2 ..................... 1507.11 |=========================================
-O2 -march=native ....... 1557.36 |==========================================
-O2 -flto ............... 1507.10 |=========================================
-O3 ..................... 1553.16 |==========================================
-O3 -flto ............... 1549.62 |==========================================
-O3 -march=native -flto . 1601.46 |===========================================
-Ofast -march=native .... 1636.36 |============================================
-Ofast .................. 1592.49 |===========================================


Number Of First Place Finishes
Wins - 43 Tests
Wins
-O3 -march=native ....... 9 |==================================================
-Og ..................... 1 |======
-O2 ..................... 5 |============================
-O2 -march=native ....... 4 |======================
-O2 -flto ............... 1 |======
-O3 ..................... 1 |======
-O3 -flto ............... 3 |=================
-O3 -march=native -flto . 6 |=================================
-Ofast -march=native .... 8 |============================================
-Ofast .................. 5 |============================