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 26, 2024 20:54

Yuriy Lyfenko

Score: 4,381

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 26, 2024 20:56	4,347	538,072,973	11,924,000	1,987,000	2,273,280
2	Jul 26, 2024 20:55	4,353	534,671,239	11,941,000	1,990,000	2,535,424
3	Jul 26, 2024 20:54	4,353	536,063,309	11,941,000	1,990,000	2,535,424
4	Jul 26, 2024 20:55	4,356	539,864,914	11,949,000	1,991,000	2,273,280
5	Jul 26, 2024 20:56	4,358	533,269,306	11,955,000	1,992,000	2,535,424
6	Jul 26, 2024 20:56	4,358	534,631,795	11,952,000	1,992,000	2,273,280
7	Jul 26, 2024 20:54	4,358	534,249,161	11,955,000	1,992,000	2,535,424
8	Jul 26, 2024 20:55	4,360	538,135,225	11,960,000	1,993,000	2,535,424
9	Jul 26, 2024 20:56	4,361	538,398,092	11,962,000	1,993,000	2,273,280
10	Jul 26, 2024 20:55	4,363	535,605,454	11,967,000	1,994,000	2,285,568
11	Jul 26, 2024 20:56	4,363	537,302,471	11,966,000	1,994,000	2,535,424
12	Jul 26, 2024 20:56	4,364	538,730,996	11,970,000	1,995,000	2,535,424
13	Jul 26, 2024 20:55	4,364	535,737,919	11,971,000	1,995,000	2,273,280
14	Jul 26, 2024 20:56	4,365	536,935,251	11,972,000	1,995,000	2,535,424
15	Jul 26, 2024 20:54	4,366	532,380,375	11,976,000	1,996,000	2,535,424
16	Jul 26, 2024 20:56	4,366	535,228,117	11,976,000	1,996,000	2,535,424
17	Jul 26, 2024 20:56	4,367	534,648,846	11,977,000	1,996,000	2,273,280
18	Jul 26, 2024 20:55	4,367	531,918,338	11,978,000	1,996,000	2,535,424
19	Jul 26, 2024 20:56	4,368	542,123,793	11,982,000	1,997,000	2,535,424
20	Jul 26, 2024 20:56	4,371	536,432,676	12,987,000	999,000	2,535,424
21	Jul 26, 2024 20:54	4,373	535,606,010	11,994,000	1,999,000	2,273,280
22	Jul 26, 2024 20:54	4,376	537,734,427	12,002,000	2,000,000	2,273,280
23	Jul 26, 2024 20:55	4,378	539,018,209	13,008,000	1,000,000	2,273,280
24	Jul 26, 2024 20:56	4,380	535,284,760	12,015,000	2,002,000	2,273,280
25	Jul 26, 2024 20:56	4,381	534,039,810	12,016,000	2,002,000	2,273,280
26	Jul 26, 2024 20:56	4,381	540,655,943	12,017,000	2,002,000	2,535,424
27	Jul 26, 2024 20:55	4,385	537,803,372	12,027,000	2,004,000	2,535,424
28	Jul 26, 2024 20:56	4,385	538,372,351	12,027,000	2,004,000	2,449,408
29	Jul 26, 2024 20:55	4,386	533,027,139	12,031,000	2,005,000	2,535,424
30	Jul 26, 2024 20:56	4,393	536,560,611	13,055,000	1,004,000	2,535,424
31	Jul 26, 2024 20:54	4,393	538,956,683	12,051,000	2,008,000	2,273,280
32	Jul 26, 2024 20:54	4,398	543,471,317	12,062,000	2,010,000	2,535,424
33	Jul 26, 2024 20:54	4,399	536,720,103	13,073,000	1,005,000	2,535,424
34	Jul 26, 2024 20:56	4,401	535,581,021	12,071,000	2,011,000	2,273,280
35	Jul 26, 2024 20:56	4,402	535,554,829	12,074,000	2,012,000	2,535,424
36	Jul 26, 2024 20:54	4,403	531,279,375	12,078,000	2,013,000	2,531,328
37	Jul 26, 2024 20:56	4,556	566,819,378	14,578,728	0	2,252,800
38	Jul 26, 2024 20:56	4,556	568,808,749	14,580,365	0	2,199,552
39	Jul 26, 2024 20:56	4,557	584,345,534	14,581,166	0	2,199,552
40	Jul 26, 2024 20:54	4,557	582,116,764	14,583,194	0	2,199,552
41	Jul 26, 2024 20:56	4,560	569,061,566	14,592,577	0	2,199,552
42	Jul 26, 2024 20:55	4,560	568,580,776	14,590,930	0	2,252,800
43	Jul 26, 2024 20:54	4,563	582,579,953	14,602,061	0	2,256,896
44	Jul 26, 2024 20:55	4,565	563,915,317	14,607,028	0	2,195,456
45	Jul 26, 2024 20:55	4,574	567,808,521	14,636,536	0	2,191,360
46	Jul 26, 2024 20:56	4,575	573,157,964	14,641,464	0	2,203,648
47	Jul 26, 2024 20:54	4,575	573,449,354	14,641,104	0	2,203,648
48	Jul 26, 2024 20:56	4,594	577,291,975	14,701,459	0	2,252,800

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