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 listMay 19, 2021 23:29

alex3d

Score: 5,191

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 19, 2021 23:29	5,154	32,201,112	15,464,000	1,030,000	2,535,424
2	May 19, 2021 23:29	5,155	32,240,013	15,465,000	1,031,000	2,273,280
3	May 19, 2021 23:30	5,156	32,554,342	15,467,000	1,031,000	2,445,312
4	May 19, 2021 23:30	5,158	35,274,810	15,476,000	1,031,000	2,535,424
5	May 19, 2021 23:30	5,159	41,413,376	15,479,000	1,031,000	2,273,280
6	May 19, 2021 23:29	5,161	34,615,815	15,482,000	1,032,000	2,441,216
7	May 19, 2021 23:30	5,164	31,381,903	15,493,000	1,032,000	2,445,312
8	May 19, 2021 23:30	5,164	38,990,775	15,493,000	1,032,000	2,445,312
9	May 19, 2021 23:29	5,167	39,011,443	15,501,000	1,033,000	2,273,280
10	May 19, 2021 23:30	5,168	32,485,246	15,506,000	1,033,000	2,445,312
11	May 19, 2021 23:29	5,172	30,958,099	15,515,000	1,034,000	2,445,312
12	May 19, 2021 23:29	5,174	35,976,856	15,522,000	1,034,000	2,445,312
13	May 19, 2021 23:30	5,177	33,914,542	15,531,000	1,035,000	2,273,280
14	May 19, 2021 23:30	5,178	34,274,563	15,533,000	1,035,000	2,449,408
15	May 19, 2021 23:29	5,189	38,873,246	15,569,000	1,037,000	2,445,312
16	May 19, 2021 23:30	5,191	31,859,793	15,573,000	1,038,000	2,441,216
17	May 19, 2021 23:29	5,193	35,533,465	15,579,000	1,038,000	2,535,424
18	May 19, 2021 23:29	5,199	46,138,566	15,599,000	1,039,000	2,445,312
19	May 19, 2021 23:30	5,383	79,351,407	17,226,161	0	2,199,552
20	May 19, 2021 23:29	5,405	84,859,809	17,295,221	0	2,195,456
21	May 19, 2021 23:29	5,409	74,846,238	17,308,398	0	2,195,456
22	May 19, 2021 23:30	5,414	110,897,083	17,325,794	0	2,199,552
23	May 19, 2021 23:30	5,414	81,255,272	17,326,197	0	2,183,168
24	May 19, 2021 23:30	5,433	81,980,231	17,386,217	0	2,203,648
25	May 19, 2021 23:30	5,452	59,836,463	17,445,588	0	2,203,648
26	May 19, 2021 23:29	5,454	77,202,049	17,453,963	0	2,207,744
27	May 19, 2021 23:29	5,455	86,930,219	17,457,279	0	2,199,552
28	May 19, 2021 23:30	5,456	87,098,725	17,460,392	0	2,199,552
29	May 19, 2021 23:29	5,501	98,690,551	17,602,792	0	2,195,456
30	May 19, 2021 23:29	5,659	100,105,653	18,107,742	0	2,203,648

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