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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Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Sep 7, 2022 04:11	0	0	0	0	0	Error: expected "977627 ", got "977467 "
2	Sep 7, 2022 04:11	4,937	542,842,426	15,797,000	0	2,260,992
3	Sep 7, 2022 04:11	4,943	539,475,486	14,828,000	988,000	2,265,088
4	Sep 7, 2022 04:12	4,956	539,758,985	14,867,000	991,000	2,260,992
5	Sep 7, 2022 04:11	4,960	545,313,225	13,888,000	1,984,000	2,523,136
6	Sep 7, 2022 04:12	4,962	543,215,138	13,893,000	1,984,000	2,265,088
7	Sep 7, 2022 04:12	4,962	543,782,863	14,886,000	992,000	2,260,992
8	Sep 7, 2022 04:11	4,962	541,639,535	13,894,000	1,984,000	2,265,088
9	Sep 7, 2022 04:11	4,969	544,420,770	13,915,000	1,987,000	2,260,992
10	Sep 7, 2022 04:12	4,972	544,026,788	14,916,000	994,000	2,527,232
11	Sep 7, 2022 04:11	4,974	543,518,360	14,922,000	994,000	2,527,232
12	Sep 7, 2022 04:11	4,985	547,373,374	14,955,000	997,000	2,383,872
13	Sep 7, 2022 04:11	4,986	541,920,110	14,959,000	997,000	2,527,232
14	Sep 7, 2022 04:12	4,993	545,552,028	13,979,000	1,997,000	2,523,136
15	Sep 7, 2022 04:12	4,994	540,863,865	14,983,000	998,000	2,265,088
16	Sep 7, 2022 04:12	4,998	542,008,057	13,994,000	1,999,000	2,523,136
17	Sep 7, 2022 04:11	5,002	542,021,439	15,007,000	1,000,000	2,265,088
18	Sep 7, 2022 04:12	5,013	545,329,881	14,035,000	2,005,000	2,523,136
19	Sep 7, 2022 04:12	5,032	545,116,367	14,089,000	2,012,000	2,523,136
20	Sep 7, 2022 04:12	5,136	578,800,737	16,436,454	0	2,285,568
21	Sep 7, 2022 04:11	5,137	584,151,635	16,437,834	0	2,281,472
22	Sep 7, 2022 04:11	5,146	585,544,412	16,468,584	0	2,240,512
23	Sep 7, 2022 04:12	5,152	576,903,041	16,485,131	0	2,244,608
24	Sep 7, 2022 04:11	5,166	577,802,780	16,531,222	0	2,244,608
25	Sep 7, 2022 04:12	5,179	586,923,200	16,572,966	0	2,240,512

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