remove benchmarks (moved to https://gitlab.com/randy408/png_bench)

README.md

@@ -89,18 +89,13 @@ ninja test
 
 ## Benchmarking
 
+Benchmarking is done with [png_bench](https://gitlab.com/randy408/png_bench).
+
 ```
-# Run in source directory
-git checkout tags/v0.4.1
-wget https://gitlab.com/randy408/libspng/snippets/1786557/raw -O v041_opt.patch
-git apply v041_opt.patch
-git clone https://gitlab.com/randy408/benchmark_images.git
-cd benchmark_images;
-git checkout tags/v0.4.0
-cd ../build
-meson configure -Ddev_build=true -Dbuildtype=release -Db_pgo=generate
-ninja benchmark
-meson configure -Db_pgo=use
+git clone https://gitlab.com/randy408/png_bench.git
+cd png_bench
+meson -Dbuildtype=release build
+cd build
 ninja benchmark
 cat meson-logs/benchmarklog.txt
-```
+```

meson_options.txt

@@ -1 +1 @@
-option('dev_build', type : 'boolean', value : false, description : 'Enable benchmarks and tests, requires libpng')
+option('dev_build', type : 'boolean', value : false, description : 'Enable the testsuite, requires libpng')

tests/meson.build

@@ -1,18 +1,5 @@
 png_dep = dependency('libpng', version : '>=1.6.0')
 
-bench = executable('bench', 'benchmark.c',
-                   link_with: lib,
-                   include_directories : include,
-                   dependencies : [ zlib_dep, png_dep ],
-                   override_options : [ 'c_std=c11' ])
-
-benchmark('benchmark', bench, args: ['../benchmark_images/large_rgb8.png'])
-benchmark('benchmark', bench, args: ['../benchmark_images/large_rgba8.png'])
-benchmark('benchmark', bench, args: ['../benchmark_images/medium_rgb8.png'])
-benchmark('benchmark', bench, args: ['../benchmark_images/medium_rgba8.png'])
-benchmark('benchmark', bench, args: ['../benchmark_images/small_rgb8.png'])
-benchmark('benchmark', bench, args: ['../benchmark_images/small_rgba8.png'])
-
 test_exe = executable('testsuite',
                       'testsuite.c',
                       link_with : lib,