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 2, 2024 15:14

Christopher Tarry

Score: 5,531

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 4, 2024 16:40	5,469	32,453,624	16,472,000	1,029,000	2,265,088
2	May 2, 2024 15:14	5,482	43,479,545	16,510,000	1,031,000	2,527,232
3	May 2, 2024 15:14	5,483	39,609,271	16,515,000	1,032,000	2,256,896
4	Apr 5, 2024 00:14	5,489	37,604,279	16,532,000	1,033,000	2,383,872
5	Apr 5, 2024 00:14	5,498	40,690,552	17,593,000	0	2,387,968
6	Apr 4, 2024 16:40	5,501	38,413,954	16,567,000	1,035,000	2,383,872
7	Apr 5, 2024 00:14	5,501	42,700,765	16,569,000	1,035,000	2,265,088
8	Apr 4, 2024 16:40	5,503	43,530,753	16,575,000	1,035,000	2,383,872
9	Apr 5, 2024 00:14	5,506	43,186,012	16,582,000	1,036,000	2,265,088
10	May 2, 2024 15:14	5,507	45,169,314	17,622,000	0	2,387,968
11	Apr 4, 2024 16:40	5,513	44,828,185	16,605,000	1,037,000	2,265,088
12	Apr 4, 2024 16:40	5,515	43,877,810	16,609,000	1,038,000	2,265,088
13	Apr 5, 2024 00:14	5,524	45,681,762	17,676,000	0	2,265,088
14	Apr 5, 2024 00:14	5,524	42,718,703	16,637,000	1,039,000	2,265,088
15	May 2, 2024 15:14	5,525	45,162,792	17,680,000	0	2,387,968
16	Apr 5, 2024 00:14	5,525	40,580,424	17,679,000	0	2,265,088
17	Apr 4, 2024 16:40	5,526	41,229,346	16,642,000	1,040,000	2,265,088
18	May 2, 2024 15:14	5,531	42,752,022	17,699,000	0	2,387,968
19	Apr 4, 2024 16:40	5,531	46,267,458	17,699,000	0	2,265,088
20	May 2, 2024 15:14	5,535	44,719,382	17,713,000	0	2,387,968
21	May 2, 2024 15:14	5,544	47,107,900	17,740,000	0	2,392,064
22	May 2, 2024 15:14	5,578	37,480,980	16,859,000	991,000	2,265,088
23	Apr 5, 2024 00:14	5,579	37,294,439	17,854,000	0	2,265,088
24	Apr 5, 2024 00:14	5,584	45,888,432	15,883,000	1,985,000	2,490,368
25	Apr 4, 2024 16:40	5,588	46,102,483	16,890,000	993,000	2,265,088
26	May 2, 2024 15:14	5,589	42,303,935	17,884,000	0	2,387,968
27	Apr 4, 2024 16:40	5,593	40,636,836	16,904,000	994,000	2,527,232
28	Apr 5, 2024 00:14	5,685	77,169,467	18,192,670	0	2,281,472
29	Apr 5, 2024 00:14	5,699	88,757,561	18,235,815	0	2,285,568
30	Apr 4, 2024 16:40	5,716	84,817,359	18,290,963	0	2,244,608
31	May 2, 2024 15:14	5,719	72,554,586	18,299,449	0	2,289,664
32	Apr 5, 2024 00:14	5,727	95,271,886	18,326,148	0	2,244,608
33	Apr 4, 2024 16:40	5,731	81,396,839	18,340,422	0	2,289,664
34	May 2, 2024 15:14	5,749	77,408,700	18,395,235	0	2,285,568
35	May 2, 2024 15:14	5,762	73,703,362	18,438,715	0	2,289,664
36	Apr 4, 2024 16:40	5,771	97,189,249	18,468,474	0	2,285,568

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