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 03:23	5,265	33,618,290	15,858,000	991,000	2,293,760
2	Jun 13, 2024 03:25	5,268	46,701,024	15,867,000	991,000	2,293,760
3	Jun 13, 2024 03:24	5,271	45,976,191	14,884,000	1,984,000	2,293,760
4	Jun 13, 2024 03:23	5,272	42,079,424	15,877,000	992,000	2,375,680
5	Jun 13, 2024 03:24	5,273	37,338,891	16,873,000	0	2,293,760
6	Jun 13, 2024 03:24	5,274	43,708,654	15,885,000	992,000	2,371,584
7	Jun 13, 2024 03:23	5,274	50,673,595	15,884,000	992,000	2,293,760
8	Jun 13, 2024 03:23	5,278	31,332,608	15,897,000	993,000	2,293,760
9	Jun 13, 2024 03:25	5,278	49,578,710	15,834,000	1,055,000	2,293,760
10	Jun 13, 2024 03:25	5,278	46,100,823	15,896,000	993,000	2,371,584
11	Jun 13, 2024 03:25	5,278	33,233,252	14,904,000	1,987,000	2,293,760
12	Jun 13, 2024 03:24	5,280	47,556,651	14,909,000	1,987,000	2,293,760
13	Jun 13, 2024 03:24	5,284	42,391,849	14,920,000	1,989,000	2,367,488
14	Jun 13, 2024 03:25	5,287	45,179,655	14,928,000	1,990,000	2,379,776
15	Jun 13, 2024 03:25	5,288	34,979,608	15,866,000	1,057,000	2,293,760
16	Jun 13, 2024 03:23	5,289	33,360,168	14,934,000	1,991,000	2,293,760
17	Jun 13, 2024 03:24	5,293	34,634,767	14,944,000	1,992,000	2,293,760
18	Jun 13, 2024 03:25	5,298	47,934,944	14,961,000	1,994,000	2,293,760
19	Jun 13, 2024 03:25	5,298	44,557,696	14,960,000	1,994,000	2,367,488
20	Jun 13, 2024 03:23	5,298	44,230,974	14,958,000	1,994,000	2,293,760
21	Jun 13, 2024 03:23	5,298	32,872,985	14,961,000	1,994,000	2,482,176
22	Jun 13, 2024 03:24	5,299	39,244,759	15,959,000	997,000	2,371,584
23	Jun 13, 2024 03:24	5,302	35,365,688	14,971,000	1,996,000	2,367,488
24	Jun 13, 2024 03:23	5,303	45,244,433	14,974,000	1,996,000	2,293,760
25	Jun 13, 2024 03:24	5,307	43,422,480	14,984,000	1,997,000	2,293,760
26	Jun 13, 2024 03:25	5,308	44,647,779	14,989,000	1,998,000	2,482,176
27	Jun 13, 2024 03:23	5,314	46,196,444	15,006,000	2,000,000	2,469,888
28	Jun 13, 2024 03:24	5,507	53,513,846	17,622,265	0	2,252,800
29	Jun 13, 2024 03:23	5,512	115,607,243	17,639,863	0	2,252,800
30	Jun 13, 2024 03:25	5,513	94,351,339	17,640,600	0	2,240,512
31	Jun 13, 2024 03:24	5,530	73,205,558	17,696,128	0	2,256,896
32	Jun 13, 2024 03:24	5,533	65,551,532	17,704,375	0	2,248,704
33	Jun 13, 2024 03:25	5,541	95,818,233	17,730,200	0	2,256,896
34	Jun 13, 2024 03:23	5,606	90,570,160	17,938,808	0	2,252,800
35	Jun 13, 2024 03:23	5,611	86,135,319	17,955,756	0	2,252,800
36	Jun 13, 2024 03:25	5,969	79,130,371	19,099,244	0	2,244,608

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