Use SSE4.1 ceilf when available and add badges to readme

[Anilm3]

• Use the improved version of ceilf for amd64 from WAF nginx-datadog#65
• Add some badges to the readme
• Run fuzzer on schedule and on push to master

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.05%. Comparing base (28e9752) to head (79597e3).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #288   +/-   ##
=======================================
  Coverage   83.05%   83.05%           
=======================================
  Files         119      119           
  Lines        4744     4744           
  Branches     2249     2249           
=======================================
  Hits         3940     3940           
  Misses        307      307           
  Partials      497      497           

Flag	Coverage Δ
waf_test	83.05% <ø> (ø)

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[pr-commenter]

Benchmarks

Benchmark execution time: 2024-04-26 16:32:48

Comparing candidate commit e39a9be in PR branch anilm3/update-ceilf-with-builtin with baseline commit 28e9752 in branch master.

Found 11 performance improvements and 0 performance regressions! Performance is the same for 8 metrics, 0 unstable metrics.

scenario:bool_equals_matcher.random

• 🟩 execution_time [-78.883µs; -76.952µs] or [-6.655%; -6.492%]

scenario:exact_match_matcher.random

• 🟩 execution_time [-96.189µs; -95.497µs] or [-6.266%; -6.221%]

scenario:float_equals_matcher.random

• 🟩 execution_time [-79.802µs; -78.793µs] or [-6.721%; -6.636%]

scenario:ip_match_matcher.random

• 🟩 execution_time [-71.303µs; -70.259µs] or [-4.572%; -4.505%]

scenario:lowercase_transformer.random

• 🟩 execution_time [-93.406µs; -92.334µs] or [-5.404%; -5.342%]

scenario:regex_match_matcher.case_insensitive_flag.random

• 🟩 execution_time [-149.258µs; -148.709µs] or [-3.497%; -3.484%]

scenario:regex_match_matcher.case_insensitive_option.random

• 🟩 execution_time [-143.132µs; -141.774µs] or [-3.353%; -3.322%]

scenario:regex_match_matcher.random

• 🟩 execution_time [-107.321µs; -106.119µs] or [-5.377%; -5.317%]

scenario:signed_equals_matcher.random

• 🟩 execution_time [-72.689µs; -71.220µs] or [-6.159%; -6.035%]

scenario:string_equals_matcher.random

• 🟩 execution_time [-79.500µs; -78.599µs] or [-5.503%; -5.441%]

scenario:unsigned_equals_matcher.random

• 🟩 execution_time [-72.996µs; -71.893µs] or [-6.179%; -6.086%]

[Anilm3]

Note: I will add cpuid checks for SSE4.1 for the first ceilf call.