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 11, 2021 16:32

Andrey Tsvetkov

Score: 6,189

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 16:18	6,105	37,243,550	18,508,000	1,028,000	2,326,528
2	May 11, 2021 16:24	6,109	35,207,150	17,492,000	2,057,000	2,531,328
3	May 11, 2021 16:19	6,111	43,163,126	19,555,000	0	2,326,528
4	May 11, 2021 16:28	6,117	37,127,374	19,575,000	0	2,531,328
5	May 11, 2021 16:28	6,117	40,563,707	17,514,000	2,060,000	2,326,528
6	May 11, 2021 16:19	6,119	39,146,968	18,551,000	1,030,000	2,326,528
7	May 11, 2021 16:18	6,120	41,409,622	18,553,000	1,030,000	2,531,328
8	May 11, 2021 16:24	6,122	45,385,229	18,559,000	1,031,000	2,531,328
9	May 11, 2021 16:24	6,129	43,411,438	17,549,000	2,064,000	2,326,528
10	May 11, 2021 16:24	6,129	45,739,850	18,580,000	1,032,000	2,326,528
11	May 11, 2021 16:18	6,129	45,689,897	18,580,000	1,032,000	2,326,528
12	May 11, 2021 16:24	6,130	47,667,337	17,552,000	2,064,000	2,326,528
13	May 11, 2021 16:24	6,130	50,498,918	18,585,000	1,032,000	2,531,328
14	May 11, 2021 16:18	6,133	43,192,381	19,627,000	0	2,519,040
15	May 11, 2021 16:28	6,133	43,081,473	18,592,000	1,032,000	2,330,624
16	May 11, 2021 16:19	6,136	47,436,141	18,603,000	1,033,000	2,531,328
17	May 11, 2021 16:19	6,138	43,643,036	17,576,000	2,067,000	2,531,328
18	May 11, 2021 16:19	6,138	37,538,836	18,608,000	1,033,000	2,326,528
19	May 11, 2021 16:18	6,139	45,452,033	17,578,000	2,068,000	2,531,328
20	May 11, 2021 16:18	6,139	52,359,717	17,577,000	2,067,000	2,523,136
21	May 11, 2021 16:28	6,140	46,313,304	17,580,000	2,068,000	2,326,528
22	May 11, 2021 16:19	6,145	45,958,845	19,664,000	0	2,523,136
23	May 11, 2021 16:28	6,146	44,253,079	17,597,000	2,070,000	2,326,528
24	May 11, 2021 16:28	6,149	48,775,696	19,677,000	0	2,330,624
25	May 11, 2021 16:24	6,166	51,985,601	18,693,000	1,038,000	2,527,232
26	May 11, 2021 16:28	6,170	44,690,257	18,704,000	1,039,000	2,330,624
27	May 11, 2021 16:18	6,175	48,390,475	16,796,000	2,964,000	2,523,136
28	May 11, 2021 16:18	6,189	77,743,139	19,805,876	0	2,240,512
29	May 11, 2021 16:28	6,195	114,906,517	19,822,705	0	2,236,416
30	May 11, 2021 16:19	6,201	50,120,219	17,859,000	1,984,000	2,326,528
31	May 11, 2021 16:28	6,206	85,941,667	19,858,823	0	2,240,512
32	May 11, 2021 16:32	6,207	83,900,114	19,863,766	0	2,248,704
33	May 11, 2021 16:24	6,210	45,198,874	16,891,000	2,980,000	2,326,528
34	May 11, 2021 16:28	6,212	45,988,739	17,891,000	1,987,000	2,527,232
35	May 11, 2021 16:18	6,213	39,064,980	17,894,000	1,988,000	2,531,328
36	May 11, 2021 16:24	6,213	90,229,717	19,883,196	0	2,240,512
37	May 11, 2021 16:28	6,214	50,492,722	18,891,000	994,000	2,326,528
38	May 11, 2021 16:19	6,215	43,982,978	18,895,000	994,000	2,326,528
39	May 11, 2021 16:18	6,216	48,373,036	17,902,000	1,989,000	2,326,528
40	May 11, 2021 16:19	6,217	37,593,788	18,899,000	994,000	2,531,328
41	May 11, 2021 16:24	6,217	51,752,563	17,904,000	1,989,000	2,330,624
42	May 11, 2021 16:19	6,220	95,555,930	19,902,553	0	2,236,416
43	May 11, 2021 16:32	6,229	78,214,630	19,932,202	0	2,236,416
44	May 11, 2021 16:18	6,232	84,923,097	19,942,782	0	2,240,512
45	May 11, 2021 16:19	6,241	89,572,558	19,972,306	0	2,244,608
46	May 11, 2021 16:24	6,244	86,554,173	19,980,896	0	2,244,608
47	May 11, 2021 16:32	6,251	91,459,046	20,004,224	0	2,236,416
48	May 11, 2021 16:19	6,257	93,785,774	20,022,397	0	2,240,512
49	May 11, 2021 16:32	6,281	98,792,106	20,098,648	0	2,232,320
50	May 11, 2021 16:24	6,282	84,328,126	20,101,054	0	2,232,320
51	May 11, 2021 16:32	6,285	81,703,569	20,111,792	0	2,240,512
52	May 11, 2021 16:32	6,286	99,880,162	20,114,074	0	2,236,416
53	May 11, 2021 16:18	6,308	75,744,960	20,185,863	0	2,248,704
54	May 11, 2021 16:28	6,380	92,132,960	20,416,855	0	2,244,608

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