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 23, 2024 13:10

matsuoka-601

Score: 4,490

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 23, 2024 13:10	4,458	31,699,354	14,266,000	0	2,404,352
2	Jul 23, 2024 13:14	4,458	32,401,406	12,229,000	2,038,000	2,408,448
3	Jul 23, 2024 13:10	4,459	28,934,209	13,250,000	1,019,000	2,285,568
4	Jul 23, 2024 13:14	4,459	32,128,449	13,251,000	1,019,000	2,285,568
5	Jul 23, 2024 13:10	4,463	38,281,327	13,263,000	1,020,000	2,285,568
6	Jul 23, 2024 13:10	4,467	35,605,970	14,293,000	0	2,285,568
7	Jul 23, 2024 13:10	4,468	31,544,173	14,298,000	0	2,396,160
8	Jul 23, 2024 13:14	4,472	34,227,545	13,289,000	1,022,000	2,285,568
9	Jul 23, 2024 13:14	4,474	31,634,794	14,317,000	0	2,285,568
10	Jul 23, 2024 13:10	4,476	37,735,151	14,322,000	0	2,285,568
11	Jul 23, 2024 13:10	4,478	31,684,529	13,306,000	1,023,000	2,285,568
12	Jul 23, 2024 13:10	4,479	38,529,482	14,334,000	0	2,285,568
13	Jul 23, 2024 13:10	4,479	29,745,245	14,334,000	0	2,285,568
14	Jul 23, 2024 13:14	4,479	38,351,867	13,311,000	1,023,000	2,400,256
15	Jul 23, 2024 13:14	4,486	33,841,549	13,329,000	1,025,000	2,404,352
16	Jul 23, 2024 13:10	4,486	41,178,622	13,330,000	1,025,000	2,285,568
17	Jul 23, 2024 13:10	4,487	35,972,916	13,332,000	1,025,000	2,281,472
18	Jul 23, 2024 13:10	4,487	33,833,536	14,357,000	0	2,400,256
19	Jul 23, 2024 13:10	4,490	32,411,333	13,341,000	1,026,000	2,285,568
20	Jul 23, 2024 13:14	4,491	38,136,826	14,371,000	0	2,285,568
21	Jul 23, 2024 13:10	4,498	33,546,711	14,394,000	0	2,408,448
22	Jul 23, 2024 13:14	4,499	30,340,247	13,368,000	1,028,000	2,408,448
23	Jul 23, 2024 13:14	4,504	35,395,588	14,413,000	0	2,285,568
24	Jul 23, 2024 13:10	4,517	35,741,119	13,423,000	1,032,000	2,285,568
25	Jul 23, 2024 13:10	4,521	33,291,450	14,468,000	0	2,412,544
26	Jul 23, 2024 13:10	4,523	31,583,628	14,475,000	0	2,285,568
27	Jul 23, 2024 13:10	4,524	33,337,817	13,443,000	1,034,000	2,285,568
28	Jul 23, 2024 13:14	4,718	76,282,567	15,098,769	0	2,297,856
29	Jul 23, 2024 13:10	4,736	78,880,965	15,156,278	0	2,297,856
30	Jul 23, 2024 13:10	4,736	84,212,464	15,155,195	0	2,293,760
31	Jul 23, 2024 13:14	4,742	87,388,170	15,175,827	0	2,301,952
32	Jul 23, 2024 13:10	4,743	89,197,120	15,176,862	0	2,260,992
33	Jul 23, 2024 13:10	4,750	78,421,611	15,198,687	0	2,306,048
34	Jul 23, 2024 13:10	4,752	62,236,306	15,207,878	0	2,183,168
35	Jul 23, 2024 13:14	4,767	91,699,691	15,252,869	0	2,174,976
36	Jul 23, 2024 13:10	4,784	83,881,415	15,307,894	0	2,297,856

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