nmoinvaz

/* inflateparams.c -- test inflate using different parameters
 * Copyright (C) 2020 Nathan Moinvaziri
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

/* 
    add_executable(inflateparams test/inflateparams.c)
    configure_test_executable(inflateparams)
*/

nmoinvaz

/* adler32_benchmark.cc -- test adler32 variants
 * Copyright (C) 2020 Nathan Moinvaziri
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

/*  
    cmake . -A Win32 -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDLL -DWITH_GZFILEOP=ON -DBUILD_SHARED_LIBS=OFF

    cmake_minimum_required(VERSION 3.17)
    cmake_policy(SET CMP0091 NEW)

nmoinvaz

/* compare258_benchmark.cc -- test compare258 variants
 * Copyright (C) 2020 Nathan Moinvaziri
 * For conditions of distribution and use, see copyright notice in zlib.h
 */
 
/*  
    cmake . -A Win32 -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDLL -DWITH_GZFILEOP=ON -DBUILD_SHARED_LIBS=OFF

    cmake_minimum_required(VERSION 3.17)
    cmake_policy(SET CMP0091 NEW)

nmoinvaz

import os
import argparse

parser = argparse.ArgumentParser(description='Minigzip test app')
parser.add_argument('--file', help='File to test', default=None, action='store', required=False)
args, unknown = parser.parse_known_args()

print("Arguments - Known/Unknown")
print(args)
print(unknown)

nmoinvaz

Here is zlib level/algorithm mapping:

Level | Algorithm
0       Store
1       Intel deflate quick
2-3     Zlib deflate fast
4-6     Intel deflate medium
7-9     Zlib deflate slow

nmoinvaz

/* longest_match_benchmark.cc -- test longest_match timing
 * Copyright (C) 2020 Nathan Moinvaziri
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

/*  
    cmake . -A Win32 -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDLL -DWITH_GZFILEOP=ON -DBUILD_SHARED_LIBS=OFF

    cmake_minimum_required(VERSION 3.17)
    cmake_policy(SET CMP0091 NEW)

nmoinvaz

/* deflateparams.c -- test deflate under specific conditions
 * Copyright (C) 2020 Nathan Moinvaziri
 * For conditions of distribution and use, see copyright notice in zlib.h
 */
 
/*  
    add_executable(deflateparams test/deflateparams.c)
    configure_test_executable(deflateparams)
    target_link_libraries(deflateparams zlib)
*/

nmoinvaz

import os
import random
import argparse

parser = argparse.ArgumentParser(description='Switchlevel burn script')
parser.add_argument('--bin_dir', help='Binaries directory', default='.\\Debug\\')
parser.add_argument('--test_file', help='Test file to compress', default='test/data/lcet10.txt')
args, unknown = parser.parse_known_args()

for y in range(0, 100000):

nmoinvaz

Results in the comments..

nmoinvaz

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "${command:cmake.launchTargetPath}",
            "args": ["checksum_fuzzer", ".git", ".gitattributes", ".github", ".gitignore", ".not-used", ".shellcheckrc", "CMakeFiles", "CMakeLists.txt", "FAQ.zlib", "INDEX.md", "LICENSE.md", "Makefile.in", "README.md", "adler32.c", "adler32_p.h", "arch", "chunkset.c", "chunkset_tpl.h", "cmake", "compare258.c", "compress.c", "configure", "crc32.c", "crc32_p.h", "crc32_tbl.h", "deflate.c", "deflate.h", "deflate_fast.c", "deflate_medium.c", "deflate_p.h", "deflate_quick.c", "deflate_slow.c", "doc", "fallback_builtins.h", "functable.c", "functable.h", "gzguts.h", "gzlib.c", "gzread.c", "gzwrite.c", "infback.c", "inffast.c", "inffast.h", "inffixed_tbl.h", "inflate.c", "inflate.h", "inflate_p.h", "inftrees.c", "inftrees.h", "insert_string.c", "insert_string_tpl.h", "match_tpl.h", "test", "tools", "tr