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 17, 2021 23:37

Yuriy Lyfenko

Score: 5,460

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 23:37	5,414	1,604,240,170	17,325,000	0	2,260,992
2	May 17, 2021 23:36	5,414	1,653,299,382	16,307,000	1,019,000	2,519,040
3	May 17, 2021 23:36	5,415	371,313,142	15,403,000	1,925,000	2,260,992
4	May 17, 2021 23:36	5,419	1,815,949,087	16,321,000	1,020,000	2,260,992
5	May 17, 2021 23:36	5,420	1,286,117,628	16,324,000	1,020,000	2,519,040
6	May 17, 2021 23:36	5,421	1,705,908,428	16,383,000	963,000	2,256,896
7	May 17, 2021 23:36	5,430	1,416,659,441	16,354,000	1,022,000	2,523,136
8	May 17, 2021 23:36	5,433	2,318,706,053	15,339,000	2,045,000	2,265,088
9	May 17, 2021 23:36	5,434	677,683,440	15,456,000	1,932,000	2,523,136
10	May 17, 2021 23:36	5,437	2,542,607,621	16,433,000	966,000	2,523,136
11	May 17, 2021 23:37	5,438	86,723,064	17,402,000	0	2,265,088
12	May 17, 2021 23:37	5,443	80,050,630	16,450,000	967,000	2,387,968
13	May 17, 2021 23:36	5,443	1,212,472,485	15,482,000	1,935,000	2,396,160
14	May 17, 2021 23:37	5,443	1,286,201,425	17,417,000	0	2,256,896
15	May 17, 2021 23:37	5,443	2,743,289,208	15,483,000	1,935,000	2,260,992
16	May 17, 2021 23:37	5,444	481,158,448	15,371,000	2,049,000	2,519,040
17	May 17, 2021 23:37	5,446	1,277,031,543	14,524,000	2,904,000	2,260,992
18	May 17, 2021 23:36	5,447	2,182,439,844	15,495,000	1,936,000	2,523,136
19	May 17, 2021 23:36	5,451	1,131,557,678	14,536,000	2,907,000	2,265,088
20	May 17, 2021 23:37	5,453	1,849,896,109	15,512,000	1,939,000	2,523,136
21	May 17, 2021 23:37	5,454	1,496,345,574	16,484,000	969,000	2,260,992
22	May 17, 2021 23:36	5,458	2,038,038,397	15,526,000	1,940,000	2,523,136
23	May 17, 2021 23:37	5,459	2,059,828,336	13,588,000	3,882,000	2,523,136
24	May 17, 2021 23:36	5,459	900,956,274	16,498,000	970,000	2,523,136
25	May 17, 2021 23:37	5,460	440,347,963	16,503,000	970,000	2,519,040
26	May 17, 2021 23:37	5,466	1,380,168,020	15,548,000	1,943,000	2,519,040
27	May 17, 2021 23:36	5,469	2,458,819,630	15,556,000	1,944,000	2,260,992
28	May 17, 2021 23:36	5,469	1,443,954,364	16,529,000	972,000	2,523,136
29	May 17, 2021 23:37	5,469	1,829,604,424	15,557,000	1,944,000	2,523,136
30	May 17, 2021 23:36	5,471	1,393,347,088	16,534,000	972,000	2,519,040
31	May 17, 2021 23:36	5,472	1,659,815,775	16,537,000	972,000	2,260,992
32	May 17, 2021 23:37	5,474	1,196,104,908	14,597,000	2,919,000	2,523,136
33	May 17, 2021 23:37	5,475	2,216,201,059	14,600,000	2,920,000	2,523,136
34	May 17, 2021 23:37	5,477	2,784,760,129	15,579,000	1,947,000	2,519,040
35	May 17, 2021 23:37	5,481	1,538,181,193	15,591,000	1,948,000	2,523,136
36	May 17, 2021 23:37	5,503	2,194,138,329	15,654,000	1,956,000	2,523,136
37	May 17, 2021 23:36	5,595	625,655,067	17,903,570	0	2,285,568
38	May 17, 2021 23:36	5,603	1,265,121,976	17,928,291	0	2,281,472
39	May 17, 2021 23:36	5,611	2,307,371,031	17,955,484	0	2,281,472
40	May 17, 2021 23:36	5,611	1,568,352,634	17,954,984	0	2,273,280
41	May 17, 2021 23:37	5,622	3,007,624,098	17,988,910	0	2,285,568
42	May 17, 2021 23:37	5,631	1,569,229,420	18,019,904	0	2,281,472
43	May 17, 2021 23:37	5,633	2,859,194,597	18,027,111	0	2,281,472
44	May 17, 2021 23:36	5,645	114,502,587	18,065,384	0	2,281,472
45	May 17, 2021 23:37	5,650	2,767,940,065	18,080,944	0	2,285,568
46	May 17, 2021 23:37	5,657	192,790,638	18,102,694	0	2,285,568
47	May 17, 2021 23:36	5,667	365,246,684	18,135,714	0	2,281,472
48	May 17, 2021 23:37	5,671	1,072,071,279	18,146,693	0	2,285,568

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