Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

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kytans

Score: 5,185

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 14, 2024 00:06	5,143	40,293,820	16,459,000	0	2,277,376
2	Jul 14, 2024 00:08	5,147	36,383,089	16,470,000	0	2,498,560
3	Jul 14, 2024 00:08	5,150	41,273,098	16,480,000	0	2,277,376
4	Jul 14, 2024 00:08	5,155	41,455,065	16,496,000	0	2,498,560
5	Jul 14, 2024 00:08	5,161	35,329,277	16,514,000	0	2,506,752
6	Jul 14, 2024 00:06	5,163	39,001,116	16,521,000	0	2,277,376
7	Jul 14, 2024 00:06	5,164	34,878,865	16,526,000	0	2,494,464
8	Jul 14, 2024 00:06	5,169	35,505,779	16,541,000	0	2,277,376
9	Jul 14, 2024 00:08	5,170	30,334,180	16,543,000	0	2,498,560
10	Jul 14, 2024 00:08	5,170	32,556,153	16,545,000	0	2,535,424
11	Jul 14, 2024 00:06	5,172	39,632,713	16,550,000	0	2,502,656
12	Jul 14, 2024 00:08	5,173	39,248,678	16,553,000	0	2,498,560
13	Jul 14, 2024 00:08	5,173	40,454,737	16,553,000	0	2,502,656
14	Jul 14, 2024 00:08	5,175	40,925,763	16,560,000	0	2,494,464
15	Jul 14, 2024 00:08	5,177	42,946,427	16,565,000	0	2,490,368
16	Jul 14, 2024 00:06	5,178	32,709,627	16,569,000	0	2,502,656
17	Jul 14, 2024 00:08	5,183	31,044,019	16,585,000	0	2,277,376
18	Jul 14, 2024 00:06	5,184	37,188,884	16,589,000	0	2,277,376
19	Jul 14, 2024 00:08	5,185	38,092,930	16,592,000	0	2,498,560
20	Jul 14, 2024 00:08	5,185	40,005,435	16,592,000	0	2,502,656
21	Jul 14, 2024 00:08	5,188	45,411,720	16,600,000	0	2,494,464
22	Jul 14, 2024 00:06	5,191	46,238,174	16,612,000	0	2,498,560
23	Jul 14, 2024 00:08	5,193	33,395,955	16,616,000	0	2,535,424
24	Jul 14, 2024 00:08	5,201	40,608,872	15,603,000	1,040,000	2,277,376
25	Jul 14, 2024 00:06	5,202	32,379,270	16,647,000	0	2,494,464
26	Jul 14, 2024 00:08	5,216	46,427,881	15,648,000	1,043,000	2,498,560
27	Jul 14, 2024 00:08	5,222	39,452,390	15,666,000	1,044,000	2,490,368
28	Jul 14, 2024 00:08	5,399	90,542,097	17,278,241	0	2,240,512
29	Jul 14, 2024 00:08	5,421	93,719,643	17,345,862	0	2,244,608
30	Jul 14, 2024 00:08	5,423	80,080,553	17,353,460	0	2,240,512
31	Jul 14, 2024 00:08	5,424	83,584,171	17,355,610	0	2,240,512
32	Jul 14, 2024 00:06	5,427	92,379,333	17,366,003	0	2,240,512
33	Jul 14, 2024 00:06	5,430	89,961,852	17,375,485	0	2,236,416
34	Jul 14, 2024 00:08	5,440	76,803,699	17,406,416	0	2,228,224
35	Jul 14, 2024 00:06	5,449	90,671,811	17,437,199	0	2,371,584
36	Jul 14, 2024 00:08	5,459	79,730,073	17,467,537	0	2,244,608

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1