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 listJun 7, 2023 06:40

Alexander Monakov

Score: 4,590

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2023 06:40	4,507	60,702,260	14,422,000	0	2,535,424
2	Jun 7, 2023 06:40	4,525	59,569,370	14,479,000	0	2,535,424
3	Jun 7, 2023 06:41	4,528	61,625,738	14,490,000	0	2,535,424
4	Jun 7, 2023 06:41	4,529	66,297,077	14,494,000	0	2,535,424
5	Jun 7, 2023 06:40	4,531	58,807,044	14,498,000	0	2,498,560
6	Jun 7, 2023 06:41	4,532	62,177,056	14,502,000	0	2,535,424
7	Jun 7, 2023 06:40	4,534	58,877,312	14,508,000	0	2,494,464
8	Jun 7, 2023 06:40	4,536	59,478,766	13,479,000	1,036,000	2,502,656
9	Jun 7, 2023 06:40	4,540	64,430,434	14,529,000	0	2,498,560
10	Jun 7, 2023 06:40	4,543	65,701,765	14,539,000	0	2,535,424
11	Jun 7, 2023 06:40	4,547	61,744,048	14,549,000	0	2,535,424
12	Jun 7, 2023 06:40	4,552	71,290,791	14,567,000	0	2,494,464
13	Jun 7, 2023 06:40	4,577	61,796,752	12,693,000	1,952,000	2,494,464
14	Jun 7, 2023 06:40	4,584	61,218,459	12,713,000	1,955,000	2,535,424
15	Jun 7, 2023 06:41	4,586	60,352,515	12,719,000	1,956,000	2,535,424
16	Jun 7, 2023 06:41	4,587	60,809,024	13,700,000	978,000	2,535,424
17	Jun 7, 2023 06:41	4,588	60,048,069	13,704,000	978,000	2,531,328
18	Jun 7, 2023 06:40	4,590	56,796,135	13,710,000	979,000	2,490,368
19	Jun 7, 2023 06:40	4,590	60,724,929	13,710,000	979,000	2,535,424
20	Jun 7, 2023 06:40	4,593	58,377,388	14,696,000	0	2,535,424
21	Jun 7, 2023 06:40	4,593	60,848,283	12,738,000	1,959,000	2,490,368
22	Jun 7, 2023 06:41	4,594	60,932,955	14,700,000	0	2,502,656
23	Jun 7, 2023 06:40	4,594	62,168,991	13,720,000	980,000	2,498,560
24	Jun 7, 2023 06:40	4,594	60,085,580	13,720,000	980,000	2,535,424
25	Jun 7, 2023 06:40	4,594	64,988,729	13,720,000	980,000	2,535,424
26	Jun 7, 2023 06:41	4,598	59,346,970	13,734,000	981,000	2,498,560
27	Jun 7, 2023 06:41	4,599	59,252,795	12,755,000	1,962,000	2,535,424
28	Jun 7, 2023 06:40	4,745	96,675,392	15,184,639	0	2,359,296
29	Jun 7, 2023 06:41	4,757	97,998,604	15,223,216	0	2,351,104
30	Jun 7, 2023 06:41	4,763	98,682,196	15,241,564	0	2,359,296
31	Jun 7, 2023 06:40	4,767	97,190,902	15,254,347	0	2,359,296
32	Jun 7, 2023 06:40	4,776	101,369,551	15,283,540	0	2,387,968
33	Jun 7, 2023 06:41	4,799	103,633,937	15,355,422	0	2,355,200
34	Jun 7, 2023 06:40	4,803	101,309,300	15,369,734	0	2,351,104
35	Jun 7, 2023 06:40	4,808	134,550,992	15,384,265	0	2,371,584
36	Jun 7, 2023 06:40	4,817	100,174,058	15,414,056	0	2,351,104

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