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.

Back to listMay 11, 2021 19:44

Yuriy Lyfenko

Score: 5,591

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:44	5,543	41,654,394	15,652,000	2,087,000	2,387,968
2	May 11, 2021 19:44	5,545	36,091,587	15,657,000	2,087,000	2,392,064
3	May 11, 2021 19:44	5,545	44,504,529	17,745,000	0	2,392,064
4	May 11, 2021 19:56	5,574	37,313,166	16,847,000	991,000	2,265,088
5	May 11, 2021 19:44	5,583	46,745,762	16,874,000	992,000	2,260,992
6	May 11, 2021 19:44	5,583	43,691,220	15,880,000	1,985,000	2,523,136
7	May 11, 2021 19:44	5,583	47,673,344	14,887,000	2,977,000	2,265,088
8	May 11, 2021 19:56	5,583	43,240,811	17,867,000	0	2,392,064
9	May 11, 2021 19:44	5,584	34,517,171	16,877,000	992,000	2,387,968
10	May 11, 2021 19:56	5,584	43,899,057	15,885,000	1,985,000	2,387,968
11	May 11, 2021 19:56	5,585	47,727,010	15,886,000	1,985,000	2,387,968
12	May 11, 2021 19:44	5,586	32,365,058	16,882,000	993,000	2,523,136
13	May 11, 2021 19:56	5,586	44,098,922	15,889,000	1,986,000	2,396,160
14	May 11, 2021 19:56	5,587	48,880,434	16,885,000	993,000	2,387,968
15	May 11, 2021 19:56	5,587	42,781,909	15,893,000	1,986,000	2,392,064
16	May 11, 2021 19:44	5,588	42,157,949	16,887,000	993,000	2,260,992
17	May 11, 2021 19:44	5,589	44,915,771	15,899,000	1,987,000	2,392,064
18	May 11, 2021 19:44	5,590	46,079,692	16,894,000	993,000	2,392,064
19	May 11, 2021 19:44	5,591	45,062,277	16,898,000	994,000	2,383,872
20	May 11, 2021 19:56	5,592	41,448,117	15,905,000	1,988,000	2,387,968
21	May 11, 2021 19:44	5,593	45,201,875	16,904,000	994,000	2,523,136
22	May 11, 2021 19:44	5,593	47,703,246	16,904,000	994,000	2,396,160
23	May 11, 2021 19:44	5,594	49,262,302	14,918,000	2,983,000	2,396,160
24	May 11, 2021 19:44	5,599	48,238,699	15,927,000	1,990,000	2,482,176
25	May 11, 2021 19:44	5,603	48,078,363	14,766,000	3,164,000	2,400,256
26	May 11, 2021 19:44	5,604	38,504,860	14,945,000	2,989,000	2,392,064
27	May 11, 2021 19:56	5,606	44,319,737	15,947,000	1,993,000	2,396,160
28	May 11, 2021 19:56	5,713	71,088,252	18,282,140	0	2,273,280
29	May 11, 2021 19:44	5,725	85,553,044	18,318,876	0	2,277,376
30	May 11, 2021 19:56	5,729	89,639,573	18,333,955	0	2,273,280
31	May 11, 2021 19:56	5,737	77,659,719	18,358,893	0	2,277,376
32	May 11, 2021 19:44	5,757	72,882,199	18,421,600	0	2,277,376
33	May 11, 2021 19:44	5,773	92,580,318	18,473,127	0	2,277,376
34	May 11, 2021 19:44	5,777	81,751,023	18,485,415	0	2,269,184
35	May 11, 2021 19:44	5,787	76,875,042	18,517,765	0	2,281,472
36	May 11, 2021 19:44	5,810	69,075,163	18,592,618	0	2,285,568

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