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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Ben

Score: 4,982

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 30, 2024 16:15	4,958	32,946,627	13,881,000	1,983,000	2,367,488
2	Jul 30, 2024 16:14	4,959	39,136,379	14,877,000	991,000	2,379,776
3	Jul 30, 2024 16:14	4,959	42,155,867	13,885,000	1,983,000	2,265,088
4	Jul 30, 2024 16:14	4,963	36,509,013	14,891,000	992,000	2,265,088
5	Jul 30, 2024 16:15	4,963	36,199,869	13,895,000	1,985,000	2,371,584
6	Jul 30, 2024 16:14	4,963	40,581,548	13,895,000	1,985,000	2,379,776
7	Jul 30, 2024 16:14	4,965	42,792,870	14,895,000	993,000	2,265,088
8	Jul 30, 2024 16:15	4,968	33,171,763	13,909,000	1,987,000	2,269,184
9	Jul 30, 2024 16:14	4,969	30,978,576	13,915,000	1,987,000	2,371,584
10	Jul 30, 2024 16:14	4,969	31,287,035	14,908,000	993,000	2,379,776
11	Jul 30, 2024 16:15	4,970	42,981,373	15,903,000	0	2,265,088
12	Jul 30, 2024 16:14	4,971	31,367,825	14,913,000	994,000	2,371,584
13	Jul 30, 2024 16:14	4,972	33,732,524	14,917,000	994,000	2,379,776
14	Jul 30, 2024 16:14	4,974	43,595,441	13,928,000	1,989,000	2,379,776
15	Jul 30, 2024 16:14	4,976	33,590,907	14,929,000	995,000	2,527,232
16	Jul 30, 2024 16:14	4,978	37,237,366	13,937,000	1,991,000	2,383,872
17	Jul 30, 2024 16:14	4,979	42,872,973	14,938,000	995,000	2,265,088
18	Jul 30, 2024 16:15	4,979	32,750,923	14,939,000	995,000	2,371,584
19	Jul 30, 2024 16:14	4,982	38,634,712	14,946,000	996,000	2,379,776
20	Jul 30, 2024 16:14	4,983	38,186,308	13,951,000	1,993,000	2,265,088
21	Jul 30, 2024 16:14	4,985	42,075,003	13,958,000	1,994,000	2,371,584
22	Jul 30, 2024 16:15	4,986	33,970,157	13,961,000	1,994,000	2,375,680
23	Jul 30, 2024 16:15	4,987	41,054,923	14,962,000	997,000	2,371,584
24	Jul 30, 2024 16:14	4,988	41,739,684	14,963,000	997,000	2,375,680
25	Jul 30, 2024 16:14	4,993	36,176,596	14,981,000	998,000	2,502,656
26	Jul 30, 2024 16:15	5,003	39,905,520	14,008,000	2,001,000	2,527,232
27	Jul 30, 2024 16:15	5,004	36,199,137	15,013,000	1,000,000	2,265,088
28	Jul 30, 2024 16:14	5,161	88,588,551	16,515,455	0	2,277,376
29	Jul 30, 2024 16:14	5,163	72,592,131	16,522,543	0	2,273,280
30	Jul 30, 2024 16:14	5,174	91,132,233	16,557,423	0	2,228,224
31	Jul 30, 2024 16:14	5,216	67,028,741	16,690,939	0	2,269,184
32	Jul 30, 2024 16:14	5,231	71,940,888	16,740,077	0	2,273,280
33	Jul 30, 2024 16:15	5,249	88,458,448	16,797,138	0	2,285,568
34	Jul 30, 2024 16:15	5,250	58,313,729	16,801,347	0	2,269,184
35	Jul 30, 2024 16:15	5,334	66,259,930	17,068,334	0	2,273,280
36	Jul 30, 2024 16:14	5,366	88,601,015	17,172,519	0	2,273,280

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