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 listApr 4, 2024 16:33

Christopher Tarry

Score: 5,743

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 4, 2024 16:43	5,586	32,890,590	16,882,000	993,000	2,265,088
2	Apr 4, 2024 16:43	5,587	47,326,538	15,893,000	1,986,000	2,265,088
3	May 2, 2024 15:39	5,587	44,038,739	15,892,000	1,986,000	2,392,064
4	May 2, 2024 15:39	5,590	41,420,501	15,901,000	1,987,000	2,265,088
5	May 2, 2024 15:39	5,592	43,589,912	15,906,000	1,988,000	2,265,088
6	Apr 4, 2024 16:43	5,595	42,332,698	15,916,000	1,989,000	2,265,088
7	Apr 4, 2024 16:43	5,604	38,180,276	16,938,000	996,000	2,392,064
8	May 2, 2024 15:39	5,607	47,460,132	16,946,000	996,000	2,392,064
9	Apr 4, 2024 16:43	5,610	44,276,544	15,959,000	1,994,000	2,387,968
10	May 2, 2024 15:39	5,614	48,893,538	15,968,000	1,996,000	2,387,968
11	May 2, 2024 15:39	5,614	39,778,987	15,969,000	1,996,000	2,269,184
12	Apr 4, 2024 16:43	5,615	45,235,968	16,969,000	998,000	2,265,088
13	May 2, 2024 15:39	5,615	46,314,813	16,971,000	998,000	2,265,088
14	Apr 4, 2024 16:43	5,629	47,180,519	17,014,000	1,000,000	2,383,872
15	May 2, 2024 15:39	5,638	35,745,958	17,040,000	1,002,000	2,265,088
16	May 2, 2024 15:39	5,643	35,576,912	16,053,000	2,006,000	2,392,064
17	Apr 4, 2024 16:43	5,648	43,549,866	16,066,000	2,008,000	2,527,232
18	Apr 4, 2024 16:43	5,666	34,555,420	16,116,000	2,014,000	2,387,968
19	May 2, 2024 15:39	5,743	112,249,626	18,378,538	0	2,293,760
20	Apr 4, 2024 16:43	5,764	87,007,730	18,443,560	0	2,232,320
21	Apr 4, 2024 16:33	5,766	40,351,890	17,427,000	1,025,000	2,277,376
22	Apr 4, 2024 16:33	5,787	47,127,338	17,490,000	1,028,000	2,289,664
23	Apr 4, 2024 16:33	5,793	43,216,737	18,536,000	0	2,269,184
24	Apr 4, 2024 16:33	5,793	41,173,089	17,507,000	1,029,000	2,269,184
25	Apr 4, 2024 16:33	5,801	40,277,576	17,531,000	1,031,000	2,273,280
26	May 2, 2024 15:39	5,806	92,175,424	18,580,716	0	2,277,376
27	Apr 4, 2024 16:33	5,812	35,605,494	17,566,000	1,033,000	2,289,664
28	Apr 4, 2024 16:33	5,815	44,777,340	17,574,000	1,033,000	2,289,664
29	May 2, 2024 15:39	5,834	95,272,293	18,668,809	0	2,240,512
30	Apr 4, 2024 16:43	5,843	86,224,828	18,697,786	0	2,281,472
31	Apr 4, 2024 16:33	5,863	42,495,735	16,787,000	1,974,000	2,289,664
32	Apr 4, 2024 16:43	5,869	92,656,042	18,779,533	0	2,277,376
33	Apr 4, 2024 16:33	5,894	45,196,232	16,875,000	1,985,000	2,527,232
34	Apr 4, 2024 16:33	5,987	94,270,490	19,158,146	0	2,306,048
35	Apr 4, 2024 16:33	6,011	89,149,782	19,233,796	0	2,174,976
36	Apr 4, 2024 16:33	6,090	99,165,753	19,489,272	0	2,301,952

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