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 29, 2021 17:27

Yuriy Lyfenko

Score: 5,068

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 29, 2021 17:25	5,025	37,205,315	14,070,000	2,010,000	2,400,256
2	May 29, 2021 17:28	5,028	37,352,871	15,084,000	1,005,000	2,404,352
3	May 29, 2021 17:28	5,030	40,384,514	14,084,000	2,012,000	2,400,256
4	May 29, 2021 17:28	5,042	39,713,607	15,127,000	1,008,000	2,519,040
5	May 29, 2021 17:28	5,043	45,960,035	15,129,000	1,008,000	2,404,352
6	May 29, 2021 17:28	5,043	39,498,385	15,130,000	1,008,000	2,281,472
7	May 29, 2021 17:28	5,044	38,487,024	14,125,000	2,017,000	2,404,352
8	May 29, 2021 17:28	5,044	36,864,996	14,123,000	2,017,000	2,281,472
9	May 29, 2021 17:28	5,046	37,799,273	15,139,000	1,009,000	2,404,352
10	May 29, 2021 17:28	5,046	38,927,022	14,128,000	2,018,000	2,396,160
11	May 29, 2021 17:28	5,047	34,738,436	14,131,000	2,018,000	2,281,472
12	May 29, 2021 17:28	5,050	31,355,825	15,151,000	1,010,000	2,519,040
13	May 29, 2021 17:28	5,051	29,656,879	14,142,000	2,020,000	2,490,368
14	May 29, 2021 17:28	5,051	41,061,323	15,154,000	1,010,000	2,408,448
15	May 29, 2021 17:28	5,055	37,300,750	15,165,000	1,011,000	2,281,472
16	May 29, 2021 17:25	5,056	43,307,491	15,168,000	1,011,000	2,281,472
17	May 29, 2021 17:25	5,058	37,587,100	14,163,000	2,023,000	2,408,448
18	May 29, 2021 17:28	5,058	41,487,736	14,162,000	2,023,000	2,281,472
19	May 29, 2021 17:28	5,061	37,216,490	14,171,000	2,024,000	2,408,448
20	May 29, 2021 17:28	5,065	34,408,674	14,183,000	2,026,000	2,281,472
21	May 29, 2021 17:28	5,066	39,286,763	14,184,000	2,026,000	2,281,472
22	May 29, 2021 17:28	5,066	32,501,198	14,186,000	2,026,000	2,408,448
23	May 29, 2021 17:28	5,067	33,911,235	14,188,000	2,026,000	2,412,544
24	May 29, 2021 17:28	5,067	33,315,174	15,201,000	1,013,000	2,408,448
25	May 29, 2021 17:25	5,067	41,640,093	15,201,000	1,013,000	2,281,472
26	May 29, 2021 17:28	5,068	32,608,546	15,206,000	1,013,000	2,404,352
27	May 29, 2021 17:25	5,070	37,546,052	15,210,000	1,014,000	2,281,472
28	May 29, 2021 17:28	5,080	43,151,317	14,225,000	2,032,000	2,281,472
29	May 29, 2021 17:28	5,080	38,855,738	15,240,000	1,016,000	2,400,256
30	May 29, 2021 17:25	5,084	37,914,579	15,254,000	1,016,000	2,404,352
31	May 29, 2021 17:28	5,087	35,712,102	15,262,000	1,017,000	2,281,472
32	May 29, 2021 17:28	5,092	45,174,519	15,275,000	1,018,000	2,396,160
33	May 29, 2021 17:28	5,093	36,000,740	15,281,000	1,018,000	2,404,352
34	May 29, 2021 17:25	5,103	33,350,682	16,329,000	0	2,281,472
35	May 29, 2021 17:25	5,107	35,689,745	15,320,000	1,021,000	2,281,472
36	May 29, 2021 17:25	5,108	32,039,802	15,324,000	1,021,000	2,510,848
37	May 29, 2021 17:28	5,213	69,065,564	16,681,974	0	2,285,568
38	May 29, 2021 17:28	5,214	86,488,559	16,683,519	0	2,297,856
39	May 29, 2021 17:28	5,220	80,228,835	16,703,891	0	2,285,568
40	May 29, 2021 17:28	5,225	76,044,975	16,719,417	0	2,289,664
41	May 29, 2021 17:28	5,228	91,983,259	16,729,996	0	2,293,760
42	May 29, 2021 17:25	5,238	81,138,446	16,760,653	0	2,252,800
43	May 29, 2021 17:28	5,240	78,638,705	16,769,377	0	2,285,568
44	May 29, 2021 17:25	5,248	97,332,844	16,793,705	0	2,285,568
45	May 29, 2021 17:28	5,254	90,168,863	16,811,676	0	2,297,856
46	May 29, 2021 17:28	5,256	91,388,182	16,819,781	0	2,297,856
47	May 29, 2021 17:28	5,263	62,036,600	16,840,240	0	2,289,664
48	May 29, 2021 17:25	5,269	98,510,197	16,862,242	0	2,289,664
49	May 29, 2021 17:27	6,699	89,390,269	21,437,691	0	2,285,568
50	May 29, 2021 17:27	6,708	96,661,052	21,465,779	0	2,289,664
51	May 29, 2021 17:27	6,750	90,737,680	21,599,084	0	2,289,664

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