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 listMay 16, 2021 13:34

Yuriy Lyfenko

Score: 5,465

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 13:30	5,423	34,890,530	17,355,000	0	2,519,040
2	May 16, 2021 13:29	5,431	32,097,737	17,378,000	0	2,392,064
3	May 16, 2021 13:30	5,432	40,850,513	17,382,000	0	2,519,040
4	May 16, 2021 13:30	5,433	40,310,369	17,385,000	0	2,506,752
5	May 16, 2021 13:29	5,433	39,683,404	16,364,000	1,022,000	2,519,040
6	May 16, 2021 13:30	5,433	34,210,377	16,364,000	1,022,000	2,387,968
7	May 16, 2021 13:29	5,437	39,651,296	16,376,000	1,023,000	2,519,040
8	May 16, 2021 13:29	5,440	50,989,782	16,385,000	1,024,000	2,519,040
9	May 16, 2021 13:30	5,446	36,164,087	16,401,000	1,025,000	2,506,752
10	May 16, 2021 13:29	5,448	39,341,795	16,408,000	1,025,000	2,519,040
11	May 16, 2021 13:30	5,448	38,434,871	17,432,000	0	2,519,040
12	May 16, 2021 13:34	5,449	34,285,843	17,436,000	0	2,519,040
13	May 16, 2021 13:34	5,453	33,864,692	16,425,000	1,026,000	2,387,968
14	May 16, 2021 13:30	5,458	39,087,811	17,466,000	0	2,387,968
15	May 16, 2021 13:29	5,458	34,331,078	17,467,000	0	2,519,040
16	May 16, 2021 13:29	5,460	46,197,258	16,446,000	1,027,000	2,519,040
17	May 16, 2021 13:30	5,462	36,011,844	15,422,000	2,056,000	2,519,040
18	May 16, 2021 13:29	5,462	35,614,348	17,479,000	0	2,392,064
19	May 16, 2021 13:29	5,465	44,399,939	16,460,000	1,028,000	2,519,040
20	May 16, 2021 13:34	5,470	39,849,094	16,475,000	1,029,000	2,523,136
21	May 16, 2021 13:30	5,470	42,651,826	16,476,000	1,029,000	2,469,888
22	May 16, 2021 13:34	5,475	37,645,178	16,490,000	1,030,000	2,519,040
23	May 16, 2021 13:34	5,584	42,680,939	15,884,000	1,985,000	2,387,968
24	May 16, 2021 13:34	5,584	47,394,013	15,883,000	1,985,000	2,519,040
25	May 16, 2021 13:34	5,586	45,981,596	14,896,000	2,979,000	2,519,040
26	May 16, 2021 13:34	5,591	43,140,416	13,681,000	4,209,000	2,392,064
27	May 16, 2021 13:34	5,605	49,129,623	14,948,000	2,989,000	2,519,040
28	May 16, 2021 13:29	5,706	100,612,149	18,259,115	0	2,289,664
29	May 16, 2021 13:30	5,710	71,017,091	18,272,294	0	2,277,376
30	May 16, 2021 13:30	5,716	99,627,948	18,292,777	0	2,289,664
31	May 16, 2021 13:29	5,723	66,701,957	18,313,042	0	2,277,376
32	May 16, 2021 13:34	5,733	80,555,437	18,344,071	0	2,269,184
33	May 16, 2021 13:30	5,736	64,715,749	18,355,407	0	2,269,184
34	May 16, 2021 13:34	5,754	90,945,462	18,412,965	0	2,281,472
35	May 16, 2021 13:29	5,754	68,715,970	18,411,628	0	2,281,472
36	May 16, 2021 13:34	5,788	75,632,347	18,521,179	0	2,281,472

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