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	Error
1	Jul 19, 2024 07:33	0	0	0	0	0	Error: expected "975676 ", got "975677"
2	Jul 19, 2024 07:34	4,578	31,924,732	14,650,000	0	2,400,256
3	Jul 19, 2024 07:34	4,583	46,966,299	13,618,000	1,047,000	2,285,568
4	Jul 19, 2024 07:32	4,583	34,484,629	13,619,000	1,047,000	2,285,568
5	Jul 19, 2024 07:34	4,584	37,162,829	14,668,000	0	2,285,568
6	Jul 19, 2024 07:32	4,585	33,090,960	14,671,000	0	2,285,568
7	Jul 19, 2024 07:32	4,588	34,874,040	13,633,000	1,048,000	2,400,256
8	Jul 19, 2024 07:34	4,589	44,205,619	14,686,000	0	2,285,568
9	Jul 19, 2024 07:33	4,591	39,579,325	14,691,000	0	2,285,568
10	Jul 19, 2024 07:33	4,596	44,849,858	13,658,000	1,050,000	2,408,448
11	Jul 19, 2024 07:34	4,598	31,388,201	14,715,000	0	2,400,256
12	Jul 19, 2024 07:33	4,601	31,289,473	14,723,000	0	2,285,568
13	Jul 19, 2024 07:33	4,602	47,083,663	13,675,000	1,051,000	2,408,448
14	Jul 19, 2024 07:32	4,604	31,910,507	13,680,000	1,052,000	2,285,568
15	Jul 19, 2024 07:33	4,639	31,483,782	12,867,000	1,979,000	2,408,448
16	Jul 19, 2024 07:34	4,641	32,220,696	14,850,000	0	2,285,568
17	Jul 19, 2024 07:33	4,644	43,126,518	12,879,000	1,981,000	2,400,256
18	Jul 19, 2024 07:33	4,645	33,038,943	14,865,000	0	2,412,544
19	Jul 19, 2024 07:32	4,646	42,179,945	12,886,000	1,982,000	2,404,352
20	Jul 19, 2024 07:32	4,646	33,335,178	12,886,000	1,982,000	2,285,568
21	Jul 19, 2024 07:34	4,648	44,460,393	12,892,000	1,983,000	2,285,568
22	Jul 19, 2024 07:33	4,648	30,414,048	14,872,000	0	2,285,568
23	Jul 19, 2024 07:32	4,648	45,054,691	12,890,000	1,983,000	2,285,568
24	Jul 19, 2024 07:33	4,649	31,140,784	13,885,000	991,000	2,285,568
25	Jul 19, 2024 07:34	4,651	40,750,750	12,900,000	1,984,000	2,404,352
26	Jul 19, 2024 07:32	4,653	35,026,486	12,904,000	1,985,000	2,396,160
27	Jul 19, 2024 07:32	4,653	32,083,219	12,903,000	1,985,000	2,400,256
28	Jul 19, 2024 07:34	4,655	31,135,611	13,904,000	993,000	2,400,256
29	Jul 19, 2024 07:32	4,815	92,940,762	15,409,363	0	2,301,952
30	Jul 19, 2024 07:32	4,827	71,184,983	15,446,665	0	2,297,856
31	Jul 19, 2024 07:34	4,830	95,059,898	15,456,929	0	2,301,952
32	Jul 19, 2024 07:33	4,833	102,050,223	15,464,853	0	2,306,048
33	Jul 19, 2024 07:34	4,835	90,363,331	15,471,207	0	2,293,760
34	Jul 19, 2024 07:35	4,848	61,960,074	15,515,130	0	2,179,072
35	Jul 19, 2024 07:35	4,850	75,622,976	15,520,777	0	2,174,976
36	Jul 19, 2024 07:34	4,859	73,297,336	15,548,777	0	2,297,856
37	Jul 19, 2024 07:32	4,866	77,229,525	15,570,212	0	2,174,976
38	Jul 19, 2024 07:35	4,875	87,738,742	15,601,004	0	2,301,952
39	Jul 19, 2024 07:33	4,880	98,020,404	15,615,902	0	2,174,976
40	Jul 19, 2024 07:33	4,884	78,588,893	15,629,461	0	2,301,952

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