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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jeffplaisance

Score: 4,392

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 4, 2024 00:50	4,363	39,642,891	12,965,000	997,000	2,277,376
2	Aug 4, 2024 00:43	4,368	33,880,071	12,980,000	998,000	2,277,376
3	Aug 4, 2024 00:43	4,373	41,573,467	12,994,000	999,000	2,277,376
4	Aug 4, 2024 00:50	4,378	32,965,512	13,010,000	1,000,000	2,494,464
5	Aug 4, 2024 00:50	4,386	27,697,623	13,032,000	1,002,000	2,498,560
6	Aug 4, 2024 00:43	4,386	31,132,968	13,032,000	1,002,000	2,494,464
7	Aug 4, 2024 00:50	4,387	35,623,671	13,037,000	1,002,000	2,494,464
8	Aug 4, 2024 00:43	4,388	30,513,408	13,038,000	1,002,000	2,273,280
9	Aug 4, 2024 00:50	4,388	26,625,704	13,039,000	1,003,000	2,535,424
10	Aug 4, 2024 00:50	4,388	28,146,369	13,038,000	1,002,000	2,502,656
11	Aug 4, 2024 00:50	4,389	37,157,520	13,041,000	1,003,000	2,277,376
12	Aug 4, 2024 00:43	4,390	33,088,156	13,044,000	1,003,000	2,494,464
13	Aug 4, 2024 00:50	4,390	32,513,576	13,044,000	1,003,000	2,498,560
14	Aug 4, 2024 00:50	4,390	36,866,251	13,044,000	1,003,000	2,494,464
15	Aug 4, 2024 00:50	4,390	28,385,689	14,047,000	0	2,498,560
16	Aug 4, 2024 00:50	4,390	38,002,822	13,046,000	1,003,000	2,502,656
17	Aug 4, 2024 00:50	4,391	29,542,906	13,049,000	1,003,000	2,277,376
18	Aug 4, 2024 00:50	4,392	33,689,227	13,051,000	1,003,000	2,494,464
19	Aug 4, 2024 00:50	4,392	32,666,460	13,051,000	1,003,000	2,277,376
20	Aug 4, 2024 00:43	4,394	31,836,099	13,058,000	1,004,000	2,277,376
21	Aug 4, 2024 00:43	4,398	33,047,315	13,069,000	1,005,000	2,277,376
22	Aug 4, 2024 00:50	4,406	30,089,997	13,092,000	1,007,000	2,277,376
23	Aug 4, 2024 00:50	4,409	34,110,812	13,101,000	1,007,000	2,277,376
24	Aug 4, 2024 00:43	4,409	29,036,213	13,102,000	1,007,000	2,498,560
25	Aug 4, 2024 00:43	4,409	30,465,912	13,103,000	1,007,000	2,277,376
26	Aug 4, 2024 00:50	4,412	30,211,116	13,109,000	1,008,000	2,273,280
27	Aug 4, 2024 00:50	4,420	28,482,325	13,135,000	1,010,000	2,535,424
28	Aug 4, 2024 00:43	4,651	85,519,021	14,883,851	0	2,375,680
29	Aug 4, 2024 00:50	4,666	82,778,764	14,931,985	0	2,244,608
30	Aug 4, 2024 00:43	4,669	75,952,877	14,941,056	0	2,248,704
31	Aug 4, 2024 00:50	4,678	55,939,952	14,970,075	0	2,367,488
32	Aug 4, 2024 00:43	4,678	90,053,783	14,968,181	0	2,240,512
33	Aug 4, 2024 00:50	4,682	80,971,994	14,983,269	0	2,240,512
34	Aug 4, 2024 00:50	4,685	72,136,992	14,991,324	0	2,240,512
35	Aug 4, 2024 00:50	4,688	94,745,542	15,000,568	0	2,236,416
36	Aug 4, 2024 00:50	4,722	87,592,496	15,109,822	0	2,232,320

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