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Generate SVG for benchmarking results and display in README
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‎spdlog/benches/README.md‎

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@@ -28,291 +28,23 @@ The following results are generated on `Windows 10 64 bit` and `Intel i9-10900KF
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test bench_5_level_off ... bench: 1.43 ns/iter (+/- 0.02)
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```
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<details><summary><b>Compared with other Rust crates</b></summary>
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### Compared with other Rust crates
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#### Disclaimer
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> [!NOTE]
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> Disclaimer: I'm not entirely familiar with using the other Rust crates below, so if you find a bug or something worth improving in the benchmark code, feel free to open an issue to let me know.
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I'm not entirely familiar with using the other Rust crates below, so if you find a bug or something worth improving in the benchmark code, feel free to open an issue to let me know.
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For the full benchmarking results data, see file [./results/data.toml](./results/data.toml).
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### `tracing` (0.1.41), `tracing-subscriber` (0.3.20), `tracing-appender` (0.2.3)
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![](./results/chart-rust-sync.svg)
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```
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test bench_1_file ... bench: 2,479.67 ns/iter (+/- 224.87)
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test bench_2_file_async ... bench: 699.95 ns/iter (+/- 47.68)
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test bench_3_rotating_file_size ... unavailable
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test bench_4_rotating_daily ... bench: 2,473.01 ns/iter (+/- 244.29)
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test bench_5_level_off ... bench: 0.39 ns/iter (+/- 0.03)
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```
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![](./results/chart-rust-async.svg)
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### `slog` (2.7.0), `sloggers` (2.2.0)
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### Compared with C++ spdlog
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```
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test bench_1_file ... unavailable
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test bench_2_file_async ... bench: 446.12 ns/iter (+/- 28.20)
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test bench_3_rotating_file_size_async ... bench: 447.39 ns/iter (+/- 30.20)
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test bench_4_rotating_daily ... unavailable
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test bench_5_level_off ... bench: 1.76 ns/iter (+/- 0.10)
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```
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Compiler for C++ spdlog is `MSVC 19.44.35217.0`.
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### `flexi_logger` (0.31.4)
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![](./results/chart-cpp-sync.svg)
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```
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test bench_1_file ... bench: 1,172.30 ns/iter (+/- 73.46)
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test bench_2_file_async ... unavailable
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test bench_3_rotating_file_size ... bench: 1,206.46 ns/iter (+/- 109.38)
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test bench_4_rotating_daily ... bench: 1,510.36 ns/iter (+/- 101.03)
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test bench_5_level_off ... bench: 0.20 ns/iter (+/- 0.02)
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```
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### `log4rs` (1.4.0)
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```
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test bench_1_file ... bench: 2,931.94 ns/iter (+/- 201.13)
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test bench_2_file_async ... unavailable
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test bench_3_rotating_file_size ... bench: 2,968.21 ns/iter (+/- 141.19)
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test bench_4_rotating_daily ... unavailable
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test bench_5_level_off ... bench: 0.20 ns/iter (+/- 0.01)
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```
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### `fern` (0.7.1)
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```
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test bench_1_file ... bench: 2,927.74 ns/iter (+/- 180.88)
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test bench_2_file_async ... unavailable
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test bench_3_rotating_file_size ... unavailable
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test bench_4_rotating_daily ... unavailable
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test bench_5_level_off ... bench: 0.20 ns/iter (+/- 0.02)
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```
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### `ftlog` (0.2.15)
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```
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test bench_1_file ... unavailable
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test bench_2_file_async ... bench: 233.98 ns/iter (+/- 22.20)
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test bench_3_rotating_file_size ... unavailable
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test bench_4_rotating_daily ... bench: 239.08 ns/iter (+/- 20.10)
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test bench_5_level_off ... bench: 0.20 ns/iter (+/- 0.01)
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```
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### `fast_log` (1.7.7)
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```
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test bench_1_file ... unavailable
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test bench_2_file_async ... bench: 246.59 ns/iter (+/- 3,179.82)
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test bench_3_rotating_file_size_async ... bench: 255.32 ns/iter (+/- 631.78)
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test bench_4_rotating_daily_async ... bench: 206.69 ns/iter (+/- 653.65)
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test bench_5_level_off ... bench: 0.20 ns/iter (+/- 0.02)
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```
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### `logforth` (0.27.0)
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```
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test bench_1_file ... unavailable
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test bench_2_file_async ... bench: 780.12 ns/iter (+/- 44.93)
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test bench_3_rotating_file_size_async ... bench: 918.14 ns/iter (+/- 47.00)
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test bench_4_rotating_daily_async ... bench: 907.25 ns/iter (+/- 71.37)
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test bench_5_level_off ... bench: 5.88 ns/iter (+/- 0.43)
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```
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</details>
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<details><summary><b>Compared with C++ spdlog</b></summary>
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### `spdlog-rs` (0.5.0)
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- Default features (corresponds to C++ `spdlog` using standard `<format>`)
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- Sync
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```
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[info] **********************************************************************
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[info] Multi threaded: 1 threads, 250000 messages
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[info] **********************************************************************
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[info] basic_mt Elapsed: 0.08 secs 3092991/sec
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[info] rotating_mt Elapsed: 0.08 secs 3096838/sec
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[info] daily_mt Elapsed: 0.08 secs 3181888/sec
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[info] level-off Elapsed: 0.00 secs 567150635/sec
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[info] **********************************************************************
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[info] Multi threaded: 4 threads, 250000 messages
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[info] **********************************************************************
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[info] basic_mt Elapsed: 0.07 secs 3605209/sec
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[info] rotating_mt Elapsed: 0.07 secs 3519391/sec
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[info] daily_mt Elapsed: 0.08 secs 3332786/sec
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[info] level-off Elapsed: 0.00 secs 687947165/sec
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```
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- Async
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```
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[info] --------------------------------------------
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[info] Messages : 1000000
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[info] Threads : 10
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[info] Queue : 8192 slots
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[info] Queue memory : 8192 x 136 = 1088 KB
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[info] Total iters : 3
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[info] --------------------------------------------
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[info]
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[info] ********************************************
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[info] Queue Overflow Policy: Block
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[info] ********************************************
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[info] Elapsed: 0.4880718 secs 2048878/sec
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[info] Elapsed: 0.4717359 secs 2119830/sec
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[info] Elapsed: 0.4589705 secs 2178789/sec
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[info]
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[info] ********************************************
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[info] Queue Overflow Policy: DropIncoming
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[info] ********************************************
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[info] Elapsed: 0.1043783 secs 9580535/sec
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[info] Elapsed: 0.1039465 secs 9620333/sec
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[info] Elapsed: 0.104625 secs 9557945/sec
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```
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- Enable `flexible-string` feature (corresponds to C++ `spdlog` using `fmt` library)
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- Sync
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```
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[info] **********************************************************************
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[info] Multi threaded: 1 threads, 250000 messages
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[info] **********************************************************************
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[info] basic_mt Elapsed: 0.07 secs 3660086/sec
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[info] rotating_mt Elapsed: 0.07 secs 3666522/sec
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[info] daily_mt Elapsed: 0.07 secs 3597096/sec
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[info] level-off Elapsed: 0.00 secs 508957654/sec
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[info] **********************************************************************
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[info] Multi threaded: 4 threads, 250000 messages
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[info] **********************************************************************
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[info] basic_mt Elapsed: 0.07 secs 3572576/sec
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[info] rotating_mt Elapsed: 0.07 secs 3410138/sec
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[info] daily_mt Elapsed: 0.07 secs 3552902/sec
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[info] level-off Elapsed: 0.00 secs 724427702/sec
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```
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- Async
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```
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[info] --------------------------------------------
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[info] Messages : 1000000
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[info] Threads : 10
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[info] Queue : 8192 slots
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[info] Queue memory : 8192 x 136 = 1088 KB
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[info] Total iters : 3
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[info] --------------------------------------------
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[info]
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[info] ********************************************
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[info] Queue Overflow Policy: Block
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[info] ********************************************
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[info] Elapsed: 0.4305708 secs 2322498/sec
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[info] Elapsed: 0.4584145 secs 2181431/sec
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[info] Elapsed: 0.4509432 secs 2217574/sec
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[info]
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[info] ********************************************
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[info] Queue Overflow Policy: DropIncoming
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[info] ********************************************
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[info] Elapsed: 0.1058637 secs 9446108/sec
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[info] Elapsed: 0.1072791 secs 9321480/sec
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[info] Elapsed: 0.1063269 secs 9404957/sec
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```
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### C++ `spdlog` (1.15.3)
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Compiler `MSVC 19.44.35217.0`.
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- Using standard `<format>`
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(compiled with `cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=ON -DSPDLOG_BUILD_BENCH=ON -DSPDLOG_BUILD_EXAMPLE=OFF -DSPDLOG_USE_STD_FORMAT=ON`)
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- Sync
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```
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[info] **************************************************************
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[info] Multi threaded: 1 threads, 250,000 messages
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[info] **************************************************************
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[info] basic_mt Elapsed: 0.12 secs 2,118,970/sec
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[info] rotating_mt Elapsed: 0.13 secs 1,890,720/sec
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[info] daily_mt Elapsed: 0.12 secs 2,089,322/sec
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[info] level-off Elapsed: 0.00 secs 139,977,603/sec
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[info] **************************************************************
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[info] Multi threaded: 4 threads, 250,000 messages
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[info] **************************************************************
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[info] basic_mt Elapsed: 0.18 secs 1,424,666/sec
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[info] rotating_mt Elapsed: 0.19 secs 1,329,264/sec
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[info] daily_mt Elapsed: 0.18 secs 1,364,071/sec
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[info] level-off Elapsed: 0.00 secs 139,899,272/sec
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```
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- Async
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```
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[info] -------------------------------------------------
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[info] Messages : 1000000
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[info] Threads : 10
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[info] Queue : 8192 slots
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[info] Queue memory : 8192 x 152 = 1216 KB
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[info] Total iters : 3
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[info] -------------------------------------------------
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[info]
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[info] *********************************
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[info] Queue Overflow Policy: block
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[info] *********************************
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[info] Elapsed: 2.132892 secs 468846/sec
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[info] Elapsed: 2.1042392 secs 475231/sec
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[info] Elapsed: 2.1130006 secs 473260/sec
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[info]
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[info] *********************************
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[info] Queue Overflow Policy: overrun
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[info] *********************************
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[info] Elapsed: 0.4682991 secs 2135387/sec
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[info] Elapsed: 0.4668421 secs 2142051/sec
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[info] Elapsed: 0.4589271 secs 2178995/sec
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```
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- Using `fmt` library
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(compiled with `cmake -G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=ON -DSPDLOG_BUILD_BENCH=ON -DSPDLOG_BUILD_EXAMPLE=OFF`)
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- Sync
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```
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[info] **************************************************************
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[info] Multi threaded: 1 threads, 250,000 messages
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[info] **************************************************************
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[info] basic_mt Elapsed: 0.06 secs 3,945,408/sec
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[info] rotating_mt Elapsed: 0.06 secs 4,016,483/sec
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[info] daily_mt Elapsed: 0.06 secs 3,872,792/sec
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[info] level-off Elapsed: 0.00 secs 136,061,826/sec
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[info] **************************************************************
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[info] Multi threaded: 4 threads, 250,000 messages
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[info] **************************************************************
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[info] basic_mt Elapsed: 0.10 secs 2,497,243/sec
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[info] rotating_mt Elapsed: 0.10 secs 2,421,563/sec
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[info] daily_mt Elapsed: 0.10 secs 2,390,189/sec
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[info] level-off Elapsed: 0.00 secs 136,054,421/sec
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```
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- Async
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```
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[info] -------------------------------------------------
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[info] Messages : 1000000
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[info] Threads : 10
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[info] Queue : 8192 slots
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[info] Queue memory : 8192 x 408 = 3264 KB
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[info] Total iters : 3
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[info] -------------------------------------------------
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[info]
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[info] *********************************
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[info] Queue Overflow Policy: block
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[info] *********************************
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[info] Elapsed: 1.7362919 secs 575940/sec
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[info] Elapsed: 1.7509939 secs 571104/sec
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[info] Elapsed: 1.7574208 secs 569015/sec
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[info]
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[info] *********************************
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[info] Queue Overflow Policy: overrun
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[info] *********************************
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[info] Elapsed: 0.3349014 secs 2985953/sec
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[info] Elapsed: 0.3340692 secs 2993391/sec
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[info] Elapsed: 0.3259194 secs 3068243/sec
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```
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</details>
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![](./results/chart-cpp-async.svg)
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[The tracking page]: https://spriteovo.github.io/spdlog-rs/dev/benchmarks/

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