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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 10, 2023 08:39	5,703	39,358,997	16,222,000	2,027,000	2,293,760
2	Aug 10, 2023 08:07	5,720	37,283,683	17,288,000	1,016,000	2,297,856
3	Aug 10, 2023 08:40	5,721	43,071,966	16,273,000	2,034,000	2,347,008
4	Aug 10, 2023 08:40	5,722	35,917,037	16,275,000	2,034,000	2,289,664
5	Aug 10, 2023 08:07	5,730	40,189,344	17,319,000	1,018,000	2,347,008
6	Aug 10, 2023 08:07	5,733	43,773,442	17,328,000	1,019,000	2,347,008
7	Aug 10, 2023 08:07	5,733	42,672,877	17,325,000	1,019,000	2,293,760
8	Aug 10, 2023 08:40	5,734	39,148,983	17,329,000	1,019,000	2,347,008
9	Aug 10, 2023 08:39	5,734	42,312,114	16,310,000	2,038,000	2,293,760
10	Aug 10, 2023 08:40	5,751	33,936,193	17,380,000	1,022,000	2,289,664
11	Aug 10, 2023 08:07	5,762	40,395,974	18,437,000	0	2,347,008
12	Aug 10, 2023 08:40	5,762	45,703,756	18,438,000	0	2,347,008
13	Aug 10, 2023 08:40	5,764	40,345,476	16,396,000	2,049,000	2,347,008
14	Aug 10, 2023 08:07	5,771	39,889,793	18,466,000	0	2,297,856
15	Aug 10, 2023 08:07	5,772	44,392,401	18,470,000	0	2,289,664
16	Aug 10, 2023 08:40	5,776	102,243,176	18,483,685	0	2,240,512
17	Aug 10, 2023 08:40	5,778	84,991,743	18,488,151	0	2,256,896
18	Aug 10, 2023 08:07	5,778	41,092,821	17,464,000	1,027,000	2,347,008
19	Aug 10, 2023 08:07	5,780	40,502,013	17,469,000	1,027,000	2,347,008
20	Aug 10, 2023 08:39	5,803	41,984,862	17,537,000	1,031,000	2,342,912
21	Aug 10, 2023 08:39	5,810	76,936,667	18,593,551	0	2,256,896
22	Aug 10, 2023 08:07	5,826	89,177,395	18,643,594	0	2,248,704
23	Aug 10, 2023 08:07	5,826	72,486,917	18,644,043	0	2,252,800
24	Aug 10, 2023 08:39	5,900	94,468,144	18,878,832	0	2,248,704
25	Aug 10, 2023 08:07	5,924	85,568,033	18,956,085	0	2,260,992
26	Aug 10, 2023 08:40	5,981	76,857,351	19,137,780	0	2,252,800
27	Aug 10, 2023 08:39	6,309	44,697,947	17,160,000	3,028,000	2,342,912
28	Aug 10, 2023 08:39	6,349	44,914,461	16,255,000	4,063,000	2,523,136
29	Aug 10, 2023 08:39	6,376	46,255,072	17,344,000	3,060,000	2,523,136
30	Aug 10, 2023 08:39	6,469	43,356,290	17,596,000	3,105,000	2,514,944
31	Aug 10, 2023 08:39	6,521	45,009,086	17,886,000	2,981,000	2,347,008
32	Aug 10, 2023 08:39	6,528	45,525,671	15,916,000	4,973,000	2,494,464
33	Aug 10, 2023 08:39	6,751	163,316,328	21,604,018	0	2,256,896
34	Aug 10, 2023 08:40	6,936	47,787,627	17,151,000	5,044,000	2,478,080
35	Aug 10, 2023 08:40	6,953	47,233,567	16,182,000	6,068,000	2,482,176
36	Aug 10, 2023 08:40	6,957	50,106,874	16,191,000	6,071,000	2,473,984

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