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	Jun 13, 2024 00:51	5,302	41,679,383	15,968,000	998,000	2,363,392
2	Jun 13, 2024 00:51	5,303	37,388,807	15,972,000	998,000	2,293,760
3	Jun 13, 2024 00:51	5,303	42,617,745	14,972,000	1,996,000	2,359,296
4	Jun 13, 2024 00:51	5,304	35,245,431	15,976,000	998,000	2,379,776
5	Jun 13, 2024 00:51	5,305	32,788,193	15,979,000	998,000	2,371,584
6	Jun 13, 2024 00:52	5,308	47,446,252	14,986,000	1,998,000	2,359,296
7	Jun 13, 2024 00:52	5,308	43,159,984	14,987,000	1,998,000	2,367,488
8	Jun 13, 2024 00:51	5,311	42,457,562	14,996,000	1,999,000	2,293,760
9	Jun 13, 2024 00:52	5,311	38,564,113	14,997,000	1,999,000	2,363,392
10	Jun 13, 2024 00:52	5,313	40,079,206	16,002,000	1,000,000	2,367,488
11	Jun 13, 2024 00:52	5,313	42,361,951	15,002,000	2,000,000	2,367,488
12	Jun 13, 2024 00:51	5,315	42,977,442	16,008,000	1,000,000	2,363,392
13	Jun 13, 2024 00:52	5,316	38,571,840	15,010,000	2,001,000	2,371,584
14	Jun 13, 2024 00:51	5,316	42,910,866	16,011,000	1,000,000	2,293,760
15	Jun 13, 2024 00:51	5,317	36,359,469	15,013,000	2,001,000	2,293,760
16	Jun 13, 2024 00:51	5,321	33,377,371	16,027,000	1,001,000	2,363,392
17	Jun 13, 2024 00:51	5,322	41,498,694	15,026,000	2,003,000	2,293,760
18	Jun 13, 2024 00:52	5,323	44,316,469	15,029,000	2,003,000	2,371,584
19	Jun 13, 2024 00:51	5,324	54,515,101	16,036,000	1,002,000	2,375,680
20	Jun 13, 2024 00:52	5,324	44,397,419	15,032,000	2,004,000	2,367,488
21	Jun 13, 2024 00:51	5,325	33,907,627	16,039,000	1,002,000	2,293,760
22	Jun 13, 2024 00:51	5,326	45,396,095	15,038,000	2,005,000	2,371,584
23	Jun 13, 2024 00:52	5,330	34,363,083	15,050,000	2,006,000	2,293,760
24	Jun 13, 2024 00:51	5,333	44,365,254	16,061,000	1,003,000	2,371,584
25	Jun 13, 2024 00:51	5,337	34,543,548	15,068,000	2,009,000	2,293,760
26	Jun 13, 2024 00:51	5,348	38,058,295	15,102,000	2,013,000	2,293,760
27	Jun 13, 2024 00:51	5,353	45,163,460	15,114,000	2,015,000	2,293,760
28	Jun 13, 2024 00:51	5,539	79,228,215	17,723,328	0	2,240,512
29	Jun 13, 2024 00:51	5,544	69,977,419	17,742,005	0	2,248,704
30	Jun 13, 2024 00:52	5,563	90,616,267	17,802,697	0	2,375,680
31	Jun 13, 2024 00:51	5,569	84,419,857	17,822,277	0	2,379,776
32	Jun 13, 2024 00:51	5,571	81,586,753	17,826,874	0	2,240,512
33	Jun 13, 2024 00:52	5,582	84,860,762	17,863,070	0	2,240,512
34	Jun 13, 2024 00:51	5,582	97,871,030	17,863,296	0	2,244,608
35	Jun 13, 2024 00:51	5,595	73,809,924	17,903,188	0	2,375,680
36	Jun 13, 2024 00:52	5,622	87,543,721	17,991,695	0	2,240,512

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