From a46e967dafe02a837fffaa4f07638e614988fe71 Mon Sep 17 00:00:00 2001 From: Gabi Melman Date: Tue, 4 Nov 2014 01:43:20 +0200 Subject: [PATCH] Update README.md --- README.md | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/README.md b/README.md index d82cf645..51ac6f8c 100644 --- a/README.md +++ b/README.md @@ -25,21 +25,24 @@ Just copy the files to your build tree and use a C++11 compiler * Logging levels * Custom formatting with user defined patterns -## Benchmarks -Here are some benchmarks (Ubuntu 64 bits, Intel i7-4770 CPU @ 3.40GHz) -``` -******************************************************************************* -Single thread, 250,000 iterations, flush every 1000 lines -******************************************************************************* -rotating_st... 817,860 lines/sec -daily_st... 827,820 lines /sec +## Benchmarks comparison + +Here are some [benchmarks](bench-comparison) comparing spdlog vs boost log(1.56.0) on Ubuntu 64 bits, Intel i7-4770 CPU @ 3.40GHz. + +The bench writes 1000,000 log lines to a rotating log file of size 10MB with 5 back rotated files. +The multi threaded test uses a shared logger object across 10 threads. + + +|library|log lines|threads|elapsed| +|-------|:-------:|:-----:|------:| +|*boost*|1000,000|1|**4.207s**| +|*spdlog*|1000,000|1|**0.975s**| + +|library|log lines|threads|elapsed| +|-------|:-------:|:-----:|------:| +|*boost*|1000,000|10|**6.592s**| +|*spdlog log*|1000,000|10|**0.961s**| -******************************************************************************* -4 threads sharing same logger, 250,000 iterations, flush every 1000 lines -******************************************************************************* -rotating_mt... 1,476,013 lines/sec -daily_mt... 1,477,619 lines/sec -``` ## Usage Example ```c++