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	Aug 4, 2024 02:14	4,356	31,118,471	12,945,000	995,000	2,273,280
2	Aug 4, 2024 02:14	4,366	28,048,204	12,973,000	997,000	2,498,560
3	Aug 4, 2024 14:37	4,367	36,616,400	12,976,000	998,000	2,494,464
4	Aug 4, 2024 02:14	4,367	37,121,149	13,975,000	0	2,277,376
5	Aug 4, 2024 02:41	4,373	28,270,152	12,994,000	999,000	2,277,376
6	Aug 4, 2024 02:41	4,374	35,363,189	12,997,000	999,000	2,498,560
7	Aug 4, 2024 02:41	4,375	30,919,433	13,001,000	1,000,000	2,502,656
8	Aug 4, 2024 02:41	4,376	29,572,446	13,003,000	1,000,000	2,277,376
9	Aug 4, 2024 14:37	4,378	30,032,539	13,009,000	1,000,000	2,277,376
10	Aug 4, 2024 14:37	4,380	34,859,824	13,014,000	1,001,000	2,277,376
11	Aug 4, 2024 14:37	4,380	27,571,979	13,015,000	1,001,000	2,535,424
12	Aug 4, 2024 02:14	4,382	30,383,841	13,022,000	1,001,000	2,277,376
13	Aug 4, 2024 02:14	4,384	33,537,352	13,028,000	1,002,000	2,490,368
14	Aug 4, 2024 14:37	4,385	30,767,141	13,030,000	1,002,000	2,502,656
15	Aug 4, 2024 02:41	4,386	33,518,177	13,032,000	1,002,000	2,498,560
16	Aug 4, 2024 02:41	4,386	31,404,979	13,032,000	1,002,000	2,486,272
17	Aug 4, 2024 14:37	4,387	38,687,277	13,036,000	1,002,000	2,498,560
18	Aug 4, 2024 14:37	4,389	39,120,170	13,042,000	1,003,000	2,277,376
19	Aug 4, 2024 02:41	4,390	33,829,156	13,044,000	1,003,000	2,277,376
20	Aug 4, 2024 14:37	4,393	28,401,103	13,055,000	1,004,000	2,535,424
21	Aug 4, 2024 14:37	4,395	25,256,015	13,059,000	1,004,000	2,502,656
22	Aug 4, 2024 02:14	4,396	39,573,015	13,062,000	1,004,000	2,502,656
23	Aug 4, 2024 02:14	4,396	29,030,806	13,062,000	1,004,000	2,494,464
24	Aug 4, 2024 02:14	4,399	33,714,521	13,073,000	1,005,000	2,277,376
25	Aug 4, 2024 02:14	4,406	30,292,138	13,091,000	1,007,000	2,498,560
26	Aug 4, 2024 02:41	4,408	38,291,549	13,098,000	1,007,000	2,277,376
27	Aug 4, 2024 02:41	4,419	32,087,216	13,130,000	1,010,000	2,502,656
28	Aug 4, 2024 02:14	4,651	95,926,936	14,883,762	0	2,244,608
29	Aug 4, 2024 14:37	4,658	83,515,871	14,907,042	0	2,236,416
30	Aug 4, 2024 02:41	4,658	76,189,303	14,906,578	0	2,371,584
31	Aug 4, 2024 02:41	4,662	80,392,881	14,917,839	0	2,252,800
32	Aug 4, 2024 14:37	4,669	72,388,106	14,941,237	0	2,244,608
33	Aug 4, 2024 02:41	4,676	81,319,050	14,963,215	0	2,375,680
34	Aug 4, 2024 02:14	4,676	68,208,749	14,962,521	0	2,363,392
35	Aug 4, 2024 02:14	4,680	81,097,014	14,975,060	0	2,244,608
36	Aug 4, 2024 14:37	4,706	82,388,786	15,060,134	0	2,371,584

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