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 2, 2021 21:53

Yuriy Lyfenko

Score: 5,032

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 2, 2021 22:05	5,005	541,838,062	14,015,000	2,002,000	2,281,472
2	Jun 2, 2021 21:53	5,010	537,371,979	14,029,000	2,004,000	2,273,280
3	Jun 2, 2021 21:53	5,010	542,604,301	14,028,000	2,004,000	2,273,280
4	Jun 2, 2021 21:50	5,011	543,325,623	14,032,000	2,004,000	2,273,280
5	Jun 2, 2021 21:53	5,012	542,586,515	15,036,000	1,002,000	2,273,280
6	Jun 2, 2021 22:05	5,012	541,882,385	15,037,000	1,002,000	2,281,472
7	Jun 2, 2021 21:50	5,013	541,494,304	14,036,000	2,005,000	2,281,472
8	Jun 2, 2021 22:05	5,016	542,698,231	14,044,000	2,006,000	2,273,280
9	Jun 2, 2021 22:05	5,016	543,254,697	15,047,000	1,003,000	2,273,280
10	Jun 2, 2021 21:50	5,020	538,547,728	14,057,000	2,008,000	2,273,280
11	Jun 2, 2021 22:05	5,022	538,832,894	15,065,000	1,004,000	2,281,472
12	Jun 2, 2021 21:50	5,023	543,862,899	14,066,000	2,009,000	2,273,280
13	Jun 2, 2021 21:50	5,024	542,923,945	15,073,000	1,004,000	2,281,472
14	Jun 2, 2021 21:53	5,026	537,839,621	14,072,000	2,010,000	2,281,472
15	Jun 2, 2021 22:05	5,026	538,093,274	14,074,000	2,010,000	2,273,280
16	Jun 2, 2021 22:05	5,027	537,692,037	14,075,000	2,010,000	2,273,280
17	Jun 2, 2021 21:53	5,029	538,042,521	14,082,000	2,011,000	2,273,280
18	Jun 2, 2021 21:50	5,032	536,306,670	14,090,000	2,012,000	2,400,256
19	Jun 2, 2021 21:50	5,032	543,005,691	16,103,000	0	2,273,280
20	Jun 2, 2021 21:50	5,040	538,351,529	16,127,000	0	2,273,280
21	Jun 2, 2021 21:53	5,041	540,806,342	14,115,000	2,016,000	2,281,472
22	Jun 2, 2021 21:50	5,043	545,516,126	14,121,000	2,017,000	2,273,280
23	Jun 2, 2021 21:53	5,044	543,611,746	15,132,000	1,008,000	2,396,160
24	Jun 2, 2021 21:53	5,048	539,673,177	15,144,000	1,009,000	2,273,280
25	Jun 2, 2021 21:53	5,055	540,770,602	16,177,000	0	2,510,848
26	Jun 2, 2021 22:05	5,066	537,439,960	14,184,000	2,026,000	2,281,472
27	Jun 2, 2021 22:05	5,074	545,271,355	15,222,000	1,014,000	2,273,280
28	Jun 2, 2021 22:05	5,148	579,713,648	16,473,693	0	2,281,472
29	Jun 2, 2021 21:50	5,154	581,709,304	16,491,598	0	2,289,664
30	Jun 2, 2021 21:50	5,158	566,718,024	16,504,489	0	2,289,664
31	Jun 2, 2021 21:53	5,167	574,905,089	16,534,681	0	2,289,664
32	Jun 2, 2021 21:53	5,170	571,344,490	16,545,476	0	2,252,800
33	Jun 2, 2021 22:05	5,186	571,931,566	16,593,843	0	2,293,760
34	Jun 2, 2021 21:50	5,186	577,433,589	16,595,166	0	2,252,800
35	Jun 2, 2021 21:53	5,206	570,906,349	16,660,531	0	2,252,800
36	Jun 2, 2021 22:05	5,346	598,411,367	17,105,804	0	2,256,896

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