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@ -45,37 +45,6 @@ Very fast, header-only/statically-compiled, C++ logging library. [![Build Status
* Binary data logging. * Binary data logging.
## Benchmarks
Below are some [benchmarks](https://github.com/gabime/spdlog/blob/v1.x/bench/bench.cpp) done in Ubuntu 64 bit, Intel i7-4770 CPU @ 3.40GHz
#### Synchronous mode
```
*******************************************************************************
Single thread, 1,000,000 iterations
*******************************************************************************
basic_st... Elapsed: 0.181652 5,505,042/sec
rotating_st... Elapsed: 0.181781 5,501,117/sec
daily_st... Elapsed: 0.187595 5,330,630/sec
null_st... Elapsed: 0.0504704 19,813,602/sec
*******************************************************************************
10 threads sharing same logger, 1,000,000 iterations
*******************************************************************************
basic_mt... Elapsed: 0.616035 1,623,284/sec
rotating_mt... Elapsed: 0.620344 1,612,008/sec
daily_mt... Elapsed: 0.648353 1,542,369/sec
null_mt... Elapsed: 0.151972 6,580,166/sec
```
#### Asynchronous mode
```
*******************************************************************************
10 threads sharing same logger, 1,000,000 iterations
*******************************************************************************
async... Elapsed: 0.350066 2,856,606/sec
async... Elapsed: 0.314865 3,175,960/sec
async... Elapsed: 0.349851 2,858,358/sec
```
## Usage samples ## Usage samples
#### Basic usage #### Basic usage
@ -321,5 +290,43 @@ void android_example()
} }
``` ```
## Benchmarks
Below are some [benchmarks](https://github.com/gabime/spdlog/blob/v1.x/bench/bench.cpp) done in Ubuntu 64 bit, Intel i7-4770 CPU @ 3.40GHz
#### Synchronous mode
```
[info] **************************************************************
[info] Single thread, 1,000,000 iterations
[info] **************************************************************
[info] basic_st Elapsed: 0.17 secs 5,777,626/sec
[info] rotating_st Elapsed: 0.18 secs 5,475,894/sec
[info] daily_st Elapsed: 0.20 secs 5,062,659/sec
[info] empty_logger Elapsed: 0.07 secs 14,127,300/sec
[info] **************************************************************
[info] C-string (400 bytes). Single thread, 1,000,000 iterations
[info] **************************************************************
[info] basic_st Elapsed: 0.41 secs 2,412,483/sec
[info] rotating_st Elapsed: 0.72 secs 1,389,196/sec
[info] daily_st Elapsed: 0.42 secs 2,393,298/sec
[info] null_st Elapsed: 0.04 secs 27,446,957/sec
[info] **************************************************************
[info] 10 threads sharing same logger, 1,000,000 iterations
[info] **************************************************************
[info] basic_mt Elapsed: 0.60 secs 1,659,613/sec
[info] rotating_mt Elapsed: 0.62 secs 1,612,493/sec
[info] daily_mt Elapsed: 0.61 secs 1,638,305/sec
[info] null_mt Elapsed: 0.16 secs 6,272,758/sec
```
#### ASynchronous mode
```
[info] **************************************************************
[info] One logger, 10 threads, total 1,000,000 message => queue of 8192 entries
[info] **************************************************************
[info] async Elapsed: 1.75 secs 570,852/sec
[info] async Elapsed: 1.69 secs 592,855/sec
[info] async Elapsed: 1.67 secs 599,914/sec
```
## Documentation ## Documentation
Documentation can be found in the [wiki](https://github.com/gabime/spdlog/wiki/1.-QuickStart) pages. Documentation can be found in the [wiki](https://github.com/gabime/spdlog/wiki/1.-QuickStart) pages.