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.

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zielaj

Score: 4,337

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 9, 2024 18:12	4,290	38,604,112	12,673,000	1,056,000	2,445,312
2	Aug 9, 2024 18:12	4,290	30,365,010	12,672,000	1,056,000	2,453,504
3	Aug 9, 2024 18:12	4,291	42,848,797	12,674,000	1,056,000	2,535,424
4	Aug 8, 2024 03:59	4,293	28,763,998	12,680,000	1,056,000	2,453,504
5	Aug 9, 2024 18:12	4,296	36,128,274	12,689,000	1,057,000	2,441,216
6	Aug 9, 2024 18:12	4,299	46,575,868	12,700,000	1,058,000	2,273,280
7	Aug 9, 2024 18:12	4,324	30,933,870	13,836,000	0	2,273,280
8	Aug 9, 2024 18:12	4,328	38,314,508	11,873,000	1,978,000	2,445,312
9	Aug 9, 2024 18:12	4,330	28,857,150	12,868,000	989,000	2,535,424
10	Aug 8, 2024 03:59	4,336	37,560,998	11,894,000	1,982,000	2,535,424
11	Aug 8, 2024 03:59	4,336	34,561,368	11,894,000	1,982,000	2,273,280
12	Aug 9, 2024 18:12	4,336	41,703,021	12,885,000	991,000	2,273,280
13	Aug 9, 2024 18:12	4,336	33,887,619	11,894,000	1,982,000	2,453,504
14	Aug 8, 2024 03:59	4,337	28,775,054	11,895,000	1,982,000	2,535,424
15	Aug 9, 2024 18:12	4,337	30,766,763	11,897,000	1,982,000	2,273,280
16	Aug 9, 2024 18:12	4,337	27,083,788	11,896,000	1,982,000	2,449,408
17	Aug 9, 2024 18:12	4,337	31,099,762	11,895,000	1,982,000	2,273,280
18	Aug 8, 2024 03:59	4,337	29,739,970	11,896,000	1,982,000	2,445,312
19	Aug 8, 2024 03:59	4,337	30,132,536	11,897,000	1,982,000	2,453,504
20	Aug 8, 2024 03:59	4,337	30,995,642	11,897,000	1,982,000	2,535,424
21	Aug 9, 2024 18:12	4,338	37,050,539	11,898,000	1,983,000	2,535,424
22	Aug 9, 2024 18:12	4,338	29,727,299	11,898,000	1,983,000	2,453,504
23	Aug 9, 2024 18:12	4,338	30,470,141	11,900,000	1,983,000	2,449,408
24	Aug 9, 2024 18:12	4,338	33,527,786	11,900,000	1,983,000	2,449,408
25	Aug 8, 2024 03:59	4,340	42,564,571	12,897,000	992,000	2,449,408
26	Aug 8, 2024 03:59	4,341	29,742,374	11,908,000	1,984,000	2,535,424
27	Aug 9, 2024 18:12	4,341	40,191,831	11,906,000	1,984,000	2,535,424
28	Aug 9, 2024 18:12	4,563	77,089,793	14,600,204	0	2,334,720
29	Aug 8, 2024 03:59	4,577	87,083,571	14,645,410	0	2,199,552
30	Aug 9, 2024 18:12	4,584	79,433,343	14,668,804	0	2,195,456
31	Aug 9, 2024 18:12	4,593	84,010,251	14,696,473	0	2,199,552
32	Aug 9, 2024 18:12	4,593	60,452,531	14,698,677	0	2,195,456
33	Aug 9, 2024 18:12	4,597	105,733,858	14,710,421	0	2,256,896
34	Aug 9, 2024 18:12	4,597	79,676,425	14,709,790	0	2,199,552
35	Aug 8, 2024 03:59	4,602	75,975,674	14,726,183	0	2,199,552
36	Aug 8, 2024 03:59	4,613	60,132,615	14,760,764	0	2,187,264

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