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 9, 2024 18:32

matsuoka-601

Score: 4,649

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 9, 2024 18:32	4,583	30,184,259	13,617,000	1,047,000	2,408,448
2	Jun 9, 2024 18:32	4,593	40,058,403	13,649,000	1,049,000	2,285,568
3	Jun 9, 2024 18:32	4,595	29,653,835	13,654,000	1,050,000	2,396,160
4	Jun 9, 2024 18:31	4,595	31,609,907	14,704,000	0	2,408,448
5	Jun 9, 2024 18:31	4,607	36,896,450	14,742,000	0	2,285,568
6	Jun 9, 2024 18:32	4,610	29,368,996	13,698,000	1,053,000	2,404,352
7	Jun 9, 2024 18:32	4,637	31,640,187	13,849,000	989,000	2,400,256
8	Jun 9, 2024 18:32	4,637	41,174,979	13,850,000	989,000	2,285,568
9	Jun 9, 2024 18:32	4,638	36,375,094	13,852,000	989,000	2,412,544
10	Jun 9, 2024 18:31	4,643	40,512,212	14,858,000	0	2,408,448
11	Jun 9, 2024 18:32	4,643	31,597,077	13,866,000	990,000	2,285,568
12	Jun 9, 2024 18:31	4,644	32,402,012	13,870,000	990,000	2,519,040
13	Jun 9, 2024 18:32	4,644	31,952,722	12,879,000	1,981,000	2,285,568
14	Jun 9, 2024 18:31	4,645	34,105,624	14,863,000	0	2,285,568
15	Jun 9, 2024 18:32	4,647	45,600,922	13,879,000	991,000	2,285,568
16	Jun 9, 2024 18:32	4,647	30,810,202	13,878,000	991,000	2,285,568
17	Jun 9, 2024 18:32	4,648	42,970,883	13,884,000	991,000	2,408,448
18	Jun 9, 2024 18:31	4,649	32,048,937	12,894,000	1,983,000	2,404,352
19	Jun 9, 2024 18:32	4,649	33,045,433	13,887,000	991,000	2,285,568
20	Jun 9, 2024 18:32	4,650	31,154,348	12,897,000	1,984,000	2,285,568
21	Jun 9, 2024 18:31	4,651	39,794,955	13,891,000	992,000	2,404,352
22	Jun 9, 2024 18:31	4,651	39,374,036	12,899,000	1,984,000	2,400,256
23	Jun 9, 2024 18:32	4,652	29,885,336	12,901,000	1,984,000	2,285,568
24	Jun 9, 2024 18:32	4,652	34,907,428	12,901,000	1,984,000	2,285,568
25	Jun 9, 2024 18:31	4,655	42,448,107	13,904,000	993,000	2,285,568
26	Jun 9, 2024 18:32	4,665	34,538,578	13,932,000	995,000	2,285,568
27	Jun 9, 2024 18:32	4,668	45,904,638	12,945,000	1,991,000	2,506,752
28	Jun 9, 2024 18:31	4,861	84,402,024	15,556,694	0	2,174,976
29	Jun 9, 2024 18:31	4,864	60,462,340	15,564,486	0	2,179,072
30	Jun 9, 2024 18:32	4,865	68,491,079	15,567,094	0	2,179,072
31	Jun 9, 2024 18:32	4,873	79,207,768	15,594,957	0	2,297,856
32	Jun 9, 2024 18:32	4,875	86,924,907	15,600,154	0	2,174,976
33	Jun 9, 2024 18:32	4,882	80,764,959	15,622,523	0	2,289,664
34	Jun 9, 2024 18:32	4,893	86,986,076	15,656,101	0	2,301,952
35	Jun 9, 2024 18:32	4,903	69,365,285	15,688,486	0	2,297,856
36	Jun 9, 2024 18:31	4,906	83,873,170	15,700,204	0	2,293,760

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