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 18, 2024 08:09

Matt Stuchlik

Score: 5,584

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 08:10	5,505	44,186,401	16,581,000	1,036,000	2,289,664
2	Jul 18, 2024 08:09	5,506	42,650,377	16,582,000	1,036,000	2,289,664
3	Jul 18, 2024 08:10	5,517	38,000,245	16,617,000	1,038,000	2,289,664
4	Jul 18, 2024 08:10	5,519	43,395,952	16,623,000	1,038,000	2,289,664
5	Jul 18, 2024 08:09	5,521	44,479,753	16,627,000	1,039,000	2,519,040
6	Jul 18, 2024 08:09	5,521	46,792,045	16,629,000	1,039,000	2,289,664
7	Jul 18, 2024 08:10	5,525	46,671,361	16,641,000	1,040,000	2,289,664
8	Jul 18, 2024 08:10	5,525	44,863,666	17,681,000	0	2,387,968
9	Jul 18, 2024 08:09	5,526	43,335,771	16,644,000	1,040,000	2,289,664
10	Jul 18, 2024 08:09	5,528	44,048,863	16,650,000	1,040,000	2,289,664
11	Jul 18, 2024 08:09	5,529	42,588,646	16,652,000	1,040,000	2,269,184
12	Jul 18, 2024 08:09	5,533	48,094,400	16,665,000	1,041,000	2,289,664
13	Jul 18, 2024 08:10	5,535	47,730,226	17,712,000	0	2,289,664
14	Jul 18, 2024 08:10	5,578	46,107,221	16,858,000	991,000	2,289,664
15	Jul 18, 2024 08:09	5,583	45,767,727	15,881,000	1,985,000	2,371,584
16	Jul 18, 2024 08:09	5,583	49,304,174	16,875,000	992,000	2,289,664
17	Jul 18, 2024 08:10	5,583	36,584,065	16,875,000	992,000	2,289,664
18	Jul 18, 2024 08:09	5,584	48,682,350	15,883,000	1,985,000	2,269,184
19	Jul 18, 2024 08:10	5,584	40,402,088	15,885,000	1,985,000	2,289,664
20	Jul 18, 2024 08:09	5,586	48,932,461	17,876,000	0	2,269,184
21	Jul 18, 2024 08:09	5,587	48,503,172	15,891,000	1,986,000	2,289,664
22	Jul 18, 2024 08:09	5,587	42,730,425	16,884,000	993,000	2,289,664
23	Jul 18, 2024 08:09	5,587	44,012,180	15,893,000	1,986,000	2,404,352
24	Jul 18, 2024 08:09	5,588	52,500,847	15,896,000	1,987,000	2,531,328
25	Jul 18, 2024 08:09	5,590	50,193,517	15,901,000	1,987,000	2,289,664
26	Jul 18, 2024 08:09	5,590	43,696,130	15,900,000	1,987,000	2,289,664
27	Jul 18, 2024 08:09	5,591	46,237,349	15,903,000	1,987,000	2,289,664
28	Jul 18, 2024 08:09	5,743	92,182,577	18,376,750	0	2,174,976
29	Jul 18, 2024 08:10	5,745	93,647,040	18,385,399	0	2,297,856
30	Jul 18, 2024 08:09	5,771	97,897,311	18,466,829	0	2,301,952
31	Jul 18, 2024 08:09	5,777	77,953,448	18,487,841	0	2,179,072
32	Jul 18, 2024 08:10	5,784	97,168,860	18,508,599	0	2,301,952
33	Jul 18, 2024 08:10	5,790	99,425,950	18,528,232	0	2,301,952
34	Jul 18, 2024 08:09	5,797	92,264,978	18,550,585	0	2,297,856
35	Jul 18, 2024 08:09	5,805	75,235,230	18,577,024	0	2,306,048
36	Jul 18, 2024 08:09	5,819	90,600,899	18,621,517	0	2,293,760

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