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 listJul 22, 2022 23:40

Robert Burke

Score: 4,592

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 22, 2022 23:40	4,564	32,207,071	13,562,000	1,043,000	2,441,216
2	Jul 22, 2022 23:39	4,570	33,802,358	13,580,000	1,044,000	2,281,472
3	Jul 22, 2022 23:40	4,573	32,521,741	13,589,000	1,045,000	2,445,312
4	Jul 22, 2022 23:40	4,578	37,180,381	13,604,000	1,046,000	2,453,504
5	Jul 22, 2022 23:40	4,579	41,206,511	13,606,000	1,046,000	2,281,472
6	Jul 22, 2022 23:39	4,581	30,473,221	13,613,000	1,047,000	2,445,312
7	Jul 22, 2022 23:39	4,582	28,845,520	13,615,000	1,047,000	2,281,472
8	Jul 22, 2022 23:40	4,583	35,132,120	13,617,000	1,047,000	2,281,472
9	Jul 22, 2022 23:39	4,584	32,599,577	13,623,000	1,047,000	2,277,376
10	Jul 22, 2022 23:40	4,584	28,171,542	13,621,000	1,047,000	2,449,408
11	Jul 22, 2022 23:40	4,585	35,288,284	13,624,000	1,048,000	2,281,472
12	Jul 22, 2022 23:40	4,586	37,386,087	13,626,000	1,048,000	2,449,408
13	Jul 22, 2022 23:40	4,586	30,310,973	13,626,000	1,048,000	2,449,408
14	Jul 22, 2022 23:39	4,590	30,772,377	13,638,000	1,049,000	2,281,472
15	Jul 22, 2022 23:40	4,590	34,602,115	13,638,000	1,049,000	2,281,472
16	Jul 22, 2022 23:40	4,590	33,965,214	13,638,000	1,049,000	2,449,408
17	Jul 22, 2022 23:40	4,590	47,267,842	13,639,000	1,049,000	2,441,216
18	Jul 22, 2022 23:39	4,590	28,286,414	13,639,000	1,049,000	2,281,472
19	Jul 22, 2022 23:40	4,592	35,185,484	13,644,000	1,049,000	2,281,472
20	Jul 22, 2022 23:40	4,595	36,582,793	13,654,000	1,050,000	2,449,408
21	Jul 22, 2022 23:40	4,595	30,782,776	13,655,000	1,050,000	2,445,312
22	Jul 22, 2022 23:40	4,596	33,235,774	13,656,000	1,050,000	2,281,472
23	Jul 22, 2022 23:39	4,597	38,411,536	13,659,000	1,050,000	2,441,216
24	Jul 22, 2022 23:40	4,601	34,295,778	13,671,000	1,051,000	2,445,312
25	Jul 22, 2022 23:39	4,604	42,172,070	13,681,000	1,052,000	2,281,472
26	Jul 22, 2022 23:39	4,648	32,146,180	13,881,000	991,000	2,535,424
27	Jul 22, 2022 23:40	4,648	33,280,791	13,881,000	991,000	2,281,472
28	Jul 22, 2022 23:40	4,803	102,018,741	15,369,478	0	2,211,840
29	Jul 22, 2022 23:39	4,814	81,875,606	15,404,137	0	2,203,648
30	Jul 22, 2022 23:39	4,832	100,835,894	15,460,921	0	2,256,896
31	Jul 22, 2022 23:40	4,844	84,703,107	15,500,725	0	2,199,552
32	Jul 22, 2022 23:40	4,844	87,637,733	15,500,146	0	2,199,552
33	Jul 22, 2022 23:40	4,848	70,948,084	15,513,168	0	2,215,936
34	Jul 22, 2022 23:40	4,860	93,089,424	15,550,807	0	2,207,744
35	Jul 22, 2022 23:39	4,880	99,923,687	15,616,391	0	2,195,456
36	Jul 22, 2022 23:40	4,914	85,020,483	15,726,271	0	2,207,744

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