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

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 4, 2024 21:38	5,473	39,550,063	16,483,000	1,030,000	2,289,664
2	Aug 4, 2024 21:38	5,475	34,493,555	16,489,000	1,030,000	2,289,664
3	Aug 4, 2024 21:38	5,482	41,102,936	16,510,000	1,031,000	2,273,280
4	Aug 4, 2024 21:38	5,493	44,350,481	17,577,000	0	2,289,664
5	Aug 4, 2024 21:38	5,496	38,246,699	16,553,000	1,034,000	2,289,664
6	Aug 4, 2024 21:38	5,502	38,538,371	16,572,000	1,035,000	2,265,088
7	Aug 4, 2024 21:38	5,503	44,273,833	17,611,000	0	2,289,664
8	Aug 4, 2024 21:38	5,507	47,604,728	16,587,000	1,036,000	2,273,280
9	Aug 4, 2024 21:38	5,523	45,795,864	16,635,000	1,039,000	2,289,664
10	Aug 4, 2024 21:38	5,621	36,009,346	15,989,000	1,998,000	2,269,184
11	Aug 4, 2024 21:38	5,628	43,843,929	16,008,000	2,001,000	2,289,664
12	Aug 4, 2024 21:38	5,634	41,278,037	16,026,000	2,003,000	2,289,664
13	Aug 4, 2024 21:38	5,637	40,942,574	16,034,000	2,004,000	2,289,664
14	Aug 4, 2024 21:38	5,644	43,606,501	16,054,000	2,006,000	2,289,664
15	Aug 4, 2024 21:38	5,645	35,477,523	17,061,000	1,003,000	2,289,664
16	Aug 4, 2024 21:38	5,654	44,920,294	16,083,000	2,010,000	2,277,376
17	Aug 4, 2024 21:38	5,668	41,574,530	16,124,000	2,015,000	2,289,664
18	Aug 4, 2024 21:38	5,673	42,638,494	16,136,000	2,017,000	2,277,376
19	Aug 4, 2024 21:38	5,718	91,977,177	18,298,893	0	2,306,048
20	Aug 4, 2024 21:38	5,760	91,902,865	18,431,398	0	2,306,048
21	Aug 4, 2024 21:38	5,774	100,222,265	18,477,052	0	2,174,976
22	Aug 4, 2024 21:38	5,789	44,465,897	17,496,000	1,029,000	2,289,664
23	Aug 4, 2024 21:38	5,793	44,626,275	17,509,000	1,029,000	2,273,280
24	Aug 4, 2024 21:38	5,797	39,801,818	17,521,000	1,030,000	2,289,664
25	Aug 4, 2024 21:38	5,802	40,478,579	17,536,000	1,031,000	2,383,872
26	Aug 4, 2024 21:38	5,808	40,340,855	17,553,000	1,032,000	2,289,664
27	Aug 4, 2024 21:38	5,811	41,552,577	18,596,000	0	2,289,664
28	Aug 4, 2024 21:38	5,832	47,135,164	17,625,000	1,036,000	2,277,376
29	Aug 4, 2024 21:38	5,835	44,538,107	17,636,000	1,037,000	2,273,280
30	Aug 4, 2024 21:38	5,884	90,743,256	18,828,459	0	2,301,952
31	Aug 4, 2024 21:38	5,895	44,604,587	16,880,000	1,985,000	2,289,664
32	Aug 4, 2024 21:38	5,902	101,510,633	18,885,491	0	2,179,072
33	Aug 4, 2024 21:38	5,911	82,554,791	18,914,436	0	2,297,856
34	Aug 4, 2024 21:38	6,072	85,907,090	19,431,428	0	2,179,072
35	Aug 4, 2024 21:38	6,077	86,626,090	19,445,120	0	2,183,168
36	Aug 4, 2024 21:38	6,100	82,495,585	19,521,011	0	2,301,952

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