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 listFeb 28, 2024 04:56

Ryan Chung Yi Sheng

Score: 5,585

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 28, 2024 04:56	5,460	89,186,181	17,470,598	0	2,293,760
2	Feb 28, 2024 04:56	5,472	77,935,417	17,511,690	0	2,293,760
3	Feb 28, 2024 04:56	5,474	88,538,576	17,515,953	0	2,297,856
4	Feb 28, 2024 04:56	5,484	79,851,582	17,549,263	0	2,301,952
5	Feb 28, 2024 04:56	5,495	90,434,451	17,583,771	0	2,301,952
6	Feb 28, 2024 04:56	5,497	89,065,556	17,591,165	0	2,179,072
7	Feb 28, 2024 04:56	5,497	86,480,757	17,590,412	0	2,301,952
8	Feb 28, 2024 04:56	5,511	86,488,054	17,635,008	0	2,297,856
9	Feb 28, 2024 04:56	5,517	79,827,913	17,654,101	0	2,293,760
10	Feb 28, 2024 04:56	5,532	47,904,044	17,702,000	0	2,404,352
11	Feb 28, 2024 04:56	5,533	32,811,329	16,665,000	1,041,000	2,392,064
12	Feb 28, 2024 04:56	5,544	45,085,345	17,740,000	0	2,392,064
13	Feb 28, 2024 04:56	5,572	44,338,256	17,829,000	0	2,281,472
14	Feb 28, 2024 04:56	5,578	39,205,037	15,866,000	1,983,000	2,400,256
15	Feb 28, 2024 04:56	5,582	43,115,450	15,877,000	1,984,000	2,281,472
16	Feb 28, 2024 04:56	5,582	41,502,698	15,878,000	1,984,000	2,404,352
17	Feb 28, 2024 04:56	5,584	42,818,695	16,876,000	992,000	2,510,848
18	Feb 28, 2024 04:56	5,585	48,526,253	16,879,000	992,000	2,281,472
19	Feb 28, 2024 04:56	5,585	42,714,294	16,880,000	992,000	2,281,472
20	Feb 28, 2024 04:56	5,585	50,634,622	15,886,000	1,985,000	2,281,472
21	Feb 28, 2024 04:56	5,587	36,219,888	15,891,000	1,986,000	2,281,472
22	Feb 28, 2024 04:56	5,587	44,496,036	16,885,000	993,000	2,281,472
23	Feb 28, 2024 04:56	5,588	42,586,044	15,894,000	1,986,000	2,281,472
24	Feb 28, 2024 04:56	5,588	49,541,772	15,896,000	1,987,000	2,400,256
25	Feb 28, 2024 04:56	5,591	38,518,564	16,897,000	993,000	2,281,472
26	Feb 28, 2024 04:56	5,599	41,383,377	16,922,000	995,000	2,281,472
27	Feb 28, 2024 04:56	5,605	42,647,176	15,944,000	1,993,000	2,396,160
28	Feb 28, 2024 04:56	5,608	41,556,257	16,950,000	997,000	2,396,160
29	Feb 28, 2024 04:56	5,610	43,710,134	16,955,000	997,000	2,392,064
30	Feb 28, 2024 04:56	5,611	38,641,701	16,959,000	997,000	2,281,472
31	Feb 28, 2024 04:56	5,612	43,809,828	16,961,000	997,000	2,281,472
32	Feb 28, 2024 04:56	5,613	41,636,820	15,966,000	1,995,000	2,281,472
33	Feb 28, 2024 04:56	5,613	39,618,759	16,963,000	997,000	2,396,160
34	Feb 28, 2024 04:56	5,614	39,551,192	15,969,000	1,996,000	2,281,472
35	Feb 28, 2024 04:56	5,616	42,157,531	16,973,000	998,000	2,400,256
36	Feb 28, 2024 04:56	5,626	39,645,147	16,003,000	2,000,000	2,400,256

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