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 30, 2024 10:52	4,829	30,747,552	14,423,000	1,030,000	2,269,184
2	Jun 30, 2024 10:52	4,833	47,795,675	14,435,000	1,031,000	2,265,088
3	Jun 30, 2024 10:52	4,836	32,757,537	15,475,000	0	2,289,664
4	Jun 30, 2024 10:53	4,838	36,992,304	14,448,000	1,032,000	2,523,136
5	Jun 30, 2024 10:51	4,843	38,227,570	14,465,000	1,033,000	2,289,664
6	Jun 30, 2024 10:53	4,843	43,325,768	14,465,000	1,033,000	2,523,136
7	Jun 30, 2024 10:52	4,843	33,176,316	15,498,000	0	2,273,280
8	Jun 30, 2024 10:53	4,845	31,191,911	14,470,000	1,033,000	2,289,664
9	Jun 30, 2024 10:52	4,853	33,748,373	14,496,000	1,035,000	2,375,680
10	Jun 30, 2024 10:51	4,854	29,229,440	14,498,000	1,035,000	2,289,664
11	Jun 30, 2024 10:51	4,855	33,281,237	15,536,000	0	2,523,136
12	Jun 30, 2024 10:51	4,855	41,157,309	14,500,000	1,035,000	2,265,088
13	Jun 30, 2024 10:52	4,856	37,565,047	15,540,000	0	2,277,376
14	Jun 30, 2024 10:52	4,858	32,266,017	14,509,000	1,036,000	2,289,664
15	Jun 30, 2024 10:52	4,859	42,959,896	14,513,000	1,036,000	2,265,088
16	Jun 30, 2024 10:52	4,864	33,415,256	14,528,000	1,037,000	2,269,184
17	Jun 30, 2024 10:53	4,866	39,730,526	14,534,000	1,038,000	2,289,664
18	Jun 30, 2024 10:53	4,871	53,156,221	14,549,000	1,039,000	2,289,664
19	Jun 30, 2024 10:51	4,872	36,380,898	14,552,000	1,039,000	2,289,664
20	Jun 30, 2024 10:51	4,872	37,963,359	15,591,000	0	2,523,136
21	Jun 30, 2024 10:51	4,873	35,304,444	14,556,000	1,039,000	2,289,664
22	Jun 30, 2024 10:51	4,874	35,914,269	14,559,000	1,039,000	2,523,136
23	Jun 30, 2024 10:53	4,880	42,363,568	14,576,000	1,041,000	2,265,088
24	Jun 30, 2024 10:53	4,882	45,480,970	14,581,000	1,041,000	2,510,848
25	Jun 30, 2024 10:53	4,883	43,428,672	14,584,000	1,041,000	2,347,008
26	Jun 30, 2024 10:51	4,886	31,558,199	14,594,000	1,042,000	2,523,136
27	Jun 30, 2024 10:53	4,951	41,844,327	14,853,000	990,000	2,265,088
28	Jun 30, 2024 10:53	5,056	104,385,824	16,179,005	0	2,297,856
29	Jun 30, 2024 10:52	5,077	84,139,904	16,247,816	0	2,183,168
30	Jun 30, 2024 10:51	5,099	90,907,542	16,317,894	0	2,301,952
31	Jun 30, 2024 10:52	5,110	64,857,909	16,352,337	0	2,297,856
32	Jun 30, 2024 10:51	5,110	90,137,829	16,352,740	0	2,297,856
33	Jun 30, 2024 10:52	5,122	54,397,580	16,390,163	0	2,174,976
34	Jun 30, 2024 10:53	5,145	77,106,202	16,465,108	0	2,174,976
35	Jun 30, 2024 10:51	5,149	60,821,605	16,477,285	0	2,297,856
36	Jun 30, 2024 10:53	5,156	73,358,743	16,497,952	0	2,174,976

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