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 listSep 4, 2021 21:55

Andrey Tsvetkov

Score: 5,633

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 4, 2021 21:52	5,589	46,626,132	15,897,000	1,987,000	2,433,024
2	Sep 4, 2021 21:52	5,595	50,553,368	16,910,000	994,000	2,342,912
3	Sep 4, 2021 21:52	5,595	43,473,286	16,909,000	994,000	2,342,912
4	Sep 4, 2021 21:55	5,598	41,602,609	15,925,000	1,990,000	2,342,912
5	Sep 4, 2021 21:53	5,602	31,606,112	15,935,000	1,991,000	2,428,928
6	Sep 4, 2021 21:52	5,604	41,899,472	15,940,000	1,992,000	2,441,216
7	Sep 4, 2021 21:55	5,606	47,170,471	16,943,000	996,000	2,347,008
8	Sep 4, 2021 21:52	5,609	47,572,084	16,953,000	997,000	2,342,912
9	Sep 4, 2021 21:53	5,612	49,112,111	16,960,000	997,000	2,433,024
10	Sep 4, 2021 21:53	5,613	47,046,230	16,964,000	997,000	2,433,024
11	Sep 4, 2021 21:52	5,613	40,921,515	15,965,000	1,995,000	2,342,912
12	Sep 4, 2021 21:53	5,616	42,592,517	15,974,000	1,996,000	2,342,912
13	Sep 4, 2021 21:52	5,618	36,253,905	16,981,000	998,000	2,338,816
14	Sep 4, 2021 21:52	5,618	46,848,438	16,981,000	998,000	2,441,216
15	Sep 4, 2021 21:53	5,618	35,888,197	15,982,000	1,997,000	2,433,024
16	Sep 4, 2021 21:53	5,619	64,184,391	17,982,325	0	2,281,472
17	Sep 4, 2021 21:52	5,622	38,253,170	16,991,000	999,000	2,338,816
18	Sep 4, 2021 21:52	5,622	36,996,323	16,992,000	999,000	2,338,816
19	Sep 4, 2021 21:55	5,624	44,717,348	15,997,000	1,999,000	2,342,912
20	Sep 4, 2021 21:52	5,624	34,052,569	16,997,000	999,000	2,441,216
21	Sep 4, 2021 21:55	5,625	51,056,088	17,000,000	1,000,000	2,342,912
22	Sep 4, 2021 21:53	5,627	48,252,322	17,005,000	1,000,000	2,342,912
23	Sep 4, 2021 21:52	5,627	48,969,173	16,006,000	2,000,000	2,437,120
24	Sep 4, 2021 21:52	5,628	33,530,912	17,009,000	1,000,000	2,428,928
25	Sep 4, 2021 21:55	5,633	34,784,481	16,023,000	2,002,000	2,433,024
26	Sep 4, 2021 21:55	5,635	46,052,252	17,032,000	1,001,000	2,342,912
27	Sep 4, 2021 21:53	5,636	42,276,497	16,031,000	2,003,000	2,437,120
28	Sep 4, 2021 21:55	5,638	74,556,193	18,040,101	0	2,273,280
29	Sep 4, 2021 21:52	5,641	31,740,792	16,047,000	2,005,000	2,437,120
30	Sep 4, 2021 21:52	5,644	115,878,413	18,061,721	0	2,281,472
31	Sep 4, 2021 21:53	5,645	44,005,789	17,062,000	1,003,000	2,433,024
32	Sep 4, 2021 21:52	5,647	73,592,378	18,071,349	0	2,269,184
33	Sep 4, 2021 21:52	5,647	86,739,357	18,070,580	0	2,269,184
34	Sep 4, 2021 21:53	5,648	47,383,618	16,066,000	2,008,000	2,437,120
35	Sep 4, 2021 21:55	5,651	37,835,167	16,073,000	2,009,000	2,437,120
36	Sep 4, 2021 21:55	5,654	48,753,337	16,083,000	2,010,000	2,543,616
37	Sep 4, 2021 21:52	5,662	36,856,487	17,113,000	1,006,000	2,449,408
38	Sep 4, 2021 21:52	5,663	43,183,637	16,109,000	2,013,000	2,433,024
39	Sep 4, 2021 21:55	5,671	47,065,718	16,132,000	2,016,000	2,424,832
40	Sep 4, 2021 21:52	5,672	43,826,160	16,133,000	2,016,000	2,428,928
41	Sep 4, 2021 21:52	5,676	44,912,744	17,155,000	1,009,000	2,342,912
42	Sep 4, 2021 21:55	5,684	87,279,510	18,190,001	0	2,265,088
43	Sep 4, 2021 21:52	5,685	98,870,357	18,192,297	0	2,269,184
44	Sep 4, 2021 21:52	5,692	71,192,758	18,215,233	0	2,269,184
45	Sep 4, 2021 21:55	5,762	94,063,515	18,439,610	0	2,269,184
46	Sep 4, 2021 21:52	5,783	96,359,761	18,506,848	0	2,269,184
47	Sep 4, 2021 21:53	5,788	92,325,263	18,522,776	0	2,269,184
48	Sep 4, 2021 21:53	5,788	87,583,270	18,520,645	0	2,273,280

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