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 18, 2024 14:23

Matt Stuchlik

Score: 5,391

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 14:24	5,332	34,062,434	15,055,000	2,007,000	2,531,328
2	Jul 18, 2024 14:24	5,336	34,944,080	16,072,000	1,004,000	2,523,136
3	Jul 18, 2024 14:24	5,354	40,832,205	15,117,000	2,015,000	2,289,664
4	Jul 18, 2024 14:23	5,358	42,744,643	17,147,000	0	2,269,184
5	Jul 18, 2024 14:24	5,361	33,462,055	15,136,000	2,018,000	2,269,184
6	Jul 18, 2024 14:23	5,364	37,589,592	16,155,000	1,009,000	2,269,184
7	Jul 18, 2024 14:23	5,368	35,790,153	16,169,000	1,010,000	2,289,664
8	Jul 18, 2024 14:23	5,369	37,621,751	16,170,000	1,010,000	2,289,664
9	Jul 18, 2024 14:23	5,372	42,983,439	15,167,000	2,022,000	2,289,664
10	Jul 18, 2024 14:24	5,374	34,621,672	15,175,000	2,023,000	2,289,664
11	Jul 18, 2024 14:23	5,375	35,532,301	16,188,000	1,011,000	2,289,664
12	Jul 18, 2024 14:23	5,376	39,747,739	15,179,000	2,023,000	2,289,664
13	Jul 18, 2024 14:23	5,378	37,567,158	15,184,000	2,024,000	2,265,088
14	Jul 18, 2024 14:23	5,381	35,386,552	15,193,000	2,025,000	2,289,664
15	Jul 18, 2024 14:23	5,383	38,571,608	15,201,000	2,026,000	2,289,664
16	Jul 18, 2024 14:24	5,383	34,573,540	16,214,000	1,013,000	2,273,280
17	Jul 18, 2024 14:24	5,388	34,937,568	16,226,000	1,014,000	2,273,280
18	Jul 18, 2024 14:24	5,388	39,871,180	15,212,000	2,028,000	2,375,680
19	Jul 18, 2024 14:23	5,391	36,945,663	15,222,000	2,029,000	2,289,664
20	Jul 18, 2024 14:23	5,394	33,183,309	15,230,000	2,030,000	2,281,472
21	Jul 18, 2024 14:23	5,398	38,818,360	15,241,000	2,032,000	2,289,664
22	Jul 18, 2024 14:23	5,403	38,092,700	15,257,000	2,034,000	2,269,184
23	Jul 18, 2024 14:23	5,409	34,732,393	15,272,000	2,036,000	2,289,664
24	Jul 18, 2024 14:23	5,410	36,075,168	15,275,000	2,036,000	2,289,664
25	Jul 18, 2024 14:24	5,419	43,897,583	15,302,000	2,040,000	2,289,664
26	Jul 18, 2024 14:23	5,421	39,891,704	15,307,000	2,040,000	2,289,664
27	Jul 18, 2024 14:23	5,436	46,203,031	15,349,000	2,046,000	2,277,376
28	Jul 18, 2024 14:23	5,589	94,996,732	17,884,128	0	2,293,760
29	Jul 18, 2024 14:23	5,590	89,789,165	17,887,637	0	2,306,048
30	Jul 18, 2024 14:23	5,605	102,371,001	17,936,809	0	2,179,072
31	Jul 18, 2024 14:24	5,626	94,123,535	18,004,089	0	2,297,856
32	Jul 18, 2024 14:23	5,633	60,614,195	18,027,044	0	2,301,952
33	Jul 18, 2024 14:24	5,635	93,434,312	18,032,410	0	2,297,856
34	Jul 18, 2024 14:23	5,635	61,595,501	18,032,980	0	2,301,952
35	Jul 18, 2024 14:24	5,636	81,829,381	18,035,973	0	2,183,168
36	Jul 18, 2024 14:23	5,651	87,518,962	18,084,230	0	2,301,952

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