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 listApr 25, 2024 23:21

Joad Nacer

Score: 4,829

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 25, 2024 23:21	4,771	37,620,294	13,232,000	2,035,000	2,289,664
2	Apr 25, 2024 23:21	4,775	30,692,849	13,243,000	2,037,000	2,289,664
3	Apr 25, 2024 23:21	4,793	36,622,702	14,314,000	1,022,000	2,289,664
4	Apr 25, 2024 23:21	4,795	29,171,942	13,299,000	2,046,000	2,289,664
5	Apr 25, 2024 23:21	4,799	38,446,597	14,334,000	1,023,000	2,289,664
6	Apr 25, 2024 23:21	4,808	31,521,010	13,335,000	2,051,000	2,289,664
7	Apr 25, 2024 23:21	4,810	32,725,974	15,391,000	0	2,277,376
8	Apr 25, 2024 23:21	4,811	30,318,706	13,342,000	2,052,000	2,289,664
9	Apr 25, 2024 23:21	4,814	32,172,401	14,379,000	1,027,000	2,289,664
10	Apr 25, 2024 23:21	4,815	41,005,933	15,407,000	0	2,289,664
11	Apr 25, 2024 23:21	4,815	33,157,001	15,409,000	0	2,265,088
12	Apr 25, 2024 23:21	4,815	38,184,854	14,382,000	1,027,000	2,289,664
13	Apr 25, 2024 23:21	4,818	47,145,070	14,390,000	1,027,000	2,269,184
14	Apr 25, 2024 23:21	4,818	38,637,653	14,389,000	1,027,000	2,527,232
15	Apr 25, 2024 23:21	4,819	35,214,705	15,420,000	0	2,269,184
16	Apr 25, 2024 23:21	4,820	37,589,634	14,397,000	1,028,000	2,289,664
17	Apr 25, 2024 23:21	4,823	33,088,830	14,406,000	1,029,000	2,289,664
18	Apr 25, 2024 23:21	4,829	36,970,890	14,423,000	1,030,000	2,289,664
19	Apr 25, 2024 23:21	4,829	37,289,794	15,453,000	0	2,273,280
20	Apr 25, 2024 23:21	4,830	34,975,533	14,426,000	1,030,000	2,285,568
21	Apr 25, 2024 23:21	4,831	38,720,535	14,430,000	1,030,000	2,527,232
22	Apr 25, 2024 23:21	4,834	32,995,067	15,469,000	0	2,269,184
23	Apr 25, 2024 23:21	4,839	39,053,266	15,484,000	0	2,289,664
24	Apr 25, 2024 23:21	4,843	37,808,678	14,463,000	1,033,000	2,289,664
25	Apr 25, 2024 23:21	4,846	38,298,758	14,475,000	1,033,000	2,289,664
26	Apr 25, 2024 23:21	4,880	31,351,241	14,574,000	1,041,000	2,289,664
27	Apr 25, 2024 23:21	4,883	33,167,578	14,586,000	1,041,000	2,277,376
28	Apr 25, 2024 23:21	5,054	70,757,099	16,173,111	0	2,174,976
29	Apr 25, 2024 23:21	5,056	92,889,856	16,178,126	0	2,301,952
30	Apr 25, 2024 23:21	5,064	84,939,767	16,204,200	0	2,297,856
31	Apr 25, 2024 23:21	5,067	83,328,433	16,213,666	0	2,297,856
32	Apr 25, 2024 23:21	5,072	95,683,739	16,230,830	0	2,301,952
33	Apr 25, 2024 23:21	5,073	86,191,788	16,233,243	0	2,301,952
34	Apr 25, 2024 23:21	5,080	79,448,348	16,255,009	0	2,297,856
35	Apr 25, 2024 23:21	5,088	78,024,289	16,280,894	0	2,301,952
36	Apr 25, 2024 23:21	5,095	90,640,778	16,304,264	0	2,297,856

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