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 7, 2023 06:43

Alexander Monakov

Score: 4,566

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2023 06:43	4,513	239,174,174	14,443,000	0	2,535,424
2	Jun 7, 2023 06:43	4,513	236,614,831	14,442,000	0	2,535,424
3	Jun 7, 2023 06:43	4,547	239,630,563	13,580,000	970,000	2,535,424
4	Jun 7, 2023 06:43	4,553	245,501,457	13,600,000	971,000	2,535,424
5	Jun 7, 2023 06:43	4,554	240,302,810	13,603,000	971,000	2,498,560
6	Jun 7, 2023 06:43	4,554	241,681,095	13,603,000	971,000	2,535,424
7	Jun 7, 2023 06:43	4,556	237,713,698	13,607,000	971,000	2,498,560
8	Jun 7, 2023 06:43	4,556	242,153,718	13,607,000	971,000	2,498,560
9	Jun 7, 2023 06:43	4,557	238,806,170	13,610,000	972,000	2,535,424
10	Jun 7, 2023 06:43	4,557	241,879,128	13,611,000	972,000	2,502,656
11	Jun 7, 2023 06:43	4,558	244,529,279	13,614,000	972,000	2,498,560
12	Jun 7, 2023 06:43	4,558	241,496,032	13,612,000	972,000	2,535,424
13	Jun 7, 2023 06:43	4,558	239,068,196	13,612,000	972,000	2,535,424
14	Jun 7, 2023 06:43	4,558	246,531,220	14,585,000	0	2,535,424
15	Jun 7, 2023 06:43	4,558	238,065,003	14,587,000	0	2,498,560
16	Jun 7, 2023 06:43	4,561	245,104,054	12,649,000	1,946,000	2,535,424
17	Jun 7, 2023 06:43	4,564	244,326,952	13,631,000	973,000	2,535,424
18	Jun 7, 2023 06:43	4,566	236,728,724	12,662,000	1,948,000	2,535,424
19	Jun 7, 2023 06:43	4,566	238,168,201	12,663,000	1,948,000	2,535,424
20	Jun 7, 2023 06:43	4,568	240,579,782	14,616,000	0	2,293,760
21	Jun 7, 2023 06:43	4,569	240,068,958	14,621,000	0	2,535,424
22	Jun 7, 2023 06:43	4,570	236,264,670	13,650,000	975,000	2,535,424
23	Jun 7, 2023 06:43	4,582	241,575,043	13,685,000	977,000	2,502,656
24	Jun 7, 2023 06:43	4,583	236,655,605	13,688,000	977,000	2,498,560
25	Jun 7, 2023 06:43	4,585	235,011,136	13,695,000	978,000	2,535,424
26	Jun 7, 2023 06:43	4,589	235,283,980	12,728,000	1,958,000	2,535,424
27	Jun 7, 2023 06:43	4,596	238,217,541	13,726,000	980,000	2,498,560
28	Jun 7, 2023 06:43	4,765	280,498,750	15,246,552	0	2,359,296
29	Jun 7, 2023 06:43	4,784	283,733,381	15,309,385	0	2,363,392
30	Jun 7, 2023 06:43	4,796	282,124,335	15,348,626	0	2,359,296
31	Jun 7, 2023 06:43	4,797	274,744,031	15,351,284	0	2,359,296
32	Jun 7, 2023 06:43	4,804	282,301,256	15,374,323	0	2,363,392
33	Jun 7, 2023 06:43	4,804	276,412,462	15,371,613	0	2,359,296
34	Jun 7, 2023 06:43	4,808	273,542,507	15,386,841	0	2,355,200
35	Jun 7, 2023 06:43	4,825	292,322,838	15,438,949	0	2,363,392
36	Jun 7, 2023 06:43	4,840	279,709,370	15,487,424	0	2,355,200

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