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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zielaj

Score: 4,575

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 7, 2024 02:15	4,549	31,906,976	13,517,000	1,039,000	2,281,472
2	Aug 7, 2024 02:05	4,553	31,149,116	13,529,000	1,040,000	2,277,376
3	Aug 7, 2024 02:15	4,555	34,593,787	13,535,000	1,041,000	2,285,568
4	Aug 7, 2024 02:05	4,559	31,461,197	13,546,000	1,042,000	2,277,376
5	Aug 7, 2024 02:15	4,559	36,840,669	14,589,000	0	2,269,184
6	Aug 7, 2024 02:04	4,560	31,988,880	13,550,000	1,042,000	2,269,184
7	Aug 7, 2024 02:04	4,562	38,650,598	13,557,000	1,042,000	2,277,376
8	Aug 7, 2024 02:15	4,564	43,927,388	13,561,000	1,043,000	2,289,664
9	Aug 7, 2024 02:04	4,566	39,754,445	14,611,000	0	2,289,664
10	Aug 7, 2024 02:04	4,566	27,997,985	13,567,000	1,043,000	2,277,376
11	Aug 7, 2024 02:15	4,567	34,188,207	13,570,000	1,043,000	2,269,184
12	Aug 7, 2024 02:15	4,568	35,706,205	13,573,000	1,044,000	2,269,184
13	Aug 7, 2024 02:05	4,569	36,573,872	14,620,000	0	2,289,664
14	Aug 7, 2024 02:15	4,569	35,345,698	13,577,000	1,044,000	2,277,376
15	Aug 7, 2024 02:05	4,572	35,291,042	13,585,000	1,045,000	2,285,568
16	Aug 7, 2024 02:04	4,573	33,685,204	13,587,000	1,045,000	2,289,664
17	Aug 7, 2024 02:05	4,573	42,598,240	13,588,000	1,045,000	2,289,664
18	Aug 7, 2024 02:05	4,575	40,973,614	13,594,000	1,045,000	2,289,664
19	Aug 7, 2024 02:04	4,575	33,976,729	13,595,000	1,045,000	2,289,664
20	Aug 7, 2024 02:04	4,576	31,027,142	13,598,000	1,046,000	2,289,664
21	Aug 7, 2024 02:05	4,577	29,519,230	13,601,000	1,046,000	2,289,664
22	Aug 7, 2024 02:04	4,579	43,104,052	13,607,000	1,046,000	2,281,472
23	Aug 7, 2024 02:15	4,581	50,061,492	14,658,000	0	2,523,136
24	Aug 7, 2024 02:15	4,594	30,879,522	13,651,000	1,050,000	2,269,184
25	Aug 7, 2024 02:05	4,596	35,610,699	13,656,000	1,050,000	2,285,568
26	Aug 7, 2024 02:05	4,597	31,249,380	13,661,000	1,050,000	2,269,184
27	Aug 7, 2024 02:04	4,601	40,802,997	13,671,000	1,051,000	2,289,664
28	Aug 7, 2024 02:04	4,796	80,942,001	15,345,711	0	2,301,952
29	Aug 7, 2024 02:05	4,801	89,234,734	15,362,822	0	2,174,976
30	Aug 7, 2024 02:04	4,806	63,078,914	15,379,238	0	2,179,072
31	Aug 7, 2024 02:05	4,812	82,268,974	15,397,750	0	2,183,168
32	Aug 7, 2024 02:15	4,814	88,171,694	15,403,666	0	2,183,168
33	Aug 7, 2024 02:05	4,835	91,181,795	15,472,334	0	2,297,856
34	Aug 7, 2024 02:15	4,848	95,922,392	15,512,090	0	2,301,952
35	Aug 7, 2024 02:04	4,851	89,893,635	15,524,246	0	2,174,976
36	Aug 7, 2024 02:15	4,861	82,476,789	15,555,535	0	2,179,072

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