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 listJan 26, 2024 00:27

Franek Korta

Score: 5,064

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 26, 2024 00:27	4,669	30,755,131	13,946,000	996,000	2,531,328
2	Jan 26, 2024 00:26	4,673	31,676,676	13,958,000	997,000	2,527,232
3	Jan 26, 2024 00:26	4,675	30,744,952	12,967,000	1,994,000	2,269,184
4	Jan 26, 2024 00:26	4,681	35,237,702	12,983,000	1,997,000	2,269,184
5	Jan 26, 2024 00:27	4,681	30,531,641	12,982,000	1,997,000	2,531,328
6	Jan 26, 2024 00:27	4,684	31,361,115	13,991,000	999,000	2,441,216
7	Jan 26, 2024 00:27	4,686	34,981,638	12,996,000	1,999,000	2,527,232
8	Jan 26, 2024 00:26	4,687	38,558,893	11,998,000	2,999,000	2,269,184
9	Jan 26, 2024 00:26	4,691	30,767,568	14,010,000	1,000,000	2,441,216
10	Jan 26, 2024 00:27	4,691	34,487,337	14,012,000	1,000,000	2,531,328
11	Jan 26, 2024 00:26	4,692	36,942,972	13,013,000	2,002,000	2,269,184
12	Jan 26, 2024 00:27	4,695	42,166,822	14,024,000	1,001,000	2,531,328
13	Jan 26, 2024 00:27	4,696	28,837,927	14,026,000	1,001,000	2,441,216
14	Jan 26, 2024 00:27	4,699	31,575,505	14,036,000	1,002,000	2,527,232
15	Jan 26, 2024 00:26	4,700	33,752,638	14,037,000	1,002,000	2,265,088
16	Jan 26, 2024 00:26	4,701	39,129,570	13,038,000	2,005,000	2,531,328
17	Jan 26, 2024 00:27	4,704	35,354,961	14,050,000	1,003,000	2,441,216
18	Jan 26, 2024 00:26	4,709	31,324,332	14,066,000	1,004,000	2,531,328
19	Jan 26, 2024 00:27	4,952	72,584,145	15,845,306	0	2,195,456
20	Jan 26, 2024 00:26	4,965	98,319,466	15,886,892	0	2,199,552
21	Jan 26, 2024 00:27	4,978	71,070,690	15,928,078	0	2,199,552
22	Jan 26, 2024 00:27	4,980	86,883,353	15,936,023	0	2,207,744
23	Jan 26, 2024 00:26	4,992	89,407,145	15,973,743	0	2,187,264
24	Jan 26, 2024 00:26	4,998	92,423,995	15,992,713	0	2,203,648
25	Jan 26, 2024 00:27	5,064	30,893,559	15,194,000	1,012,000	2,404,352
26	Jan 26, 2024 00:27	5,074	33,697,567	13,194,000	3,044,000	2,404,352
27	Jan 26, 2024 00:27	5,076	42,365,753	14,214,000	2,030,000	2,412,544
28	Jan 26, 2024 00:27	5,079	76,864,560	16,251,760	0	2,240,512
29	Jan 26, 2024 00:27	5,081	43,206,208	14,227,000	2,032,000	2,498,560
30	Jan 26, 2024 00:27	5,087	31,332,745	14,244,000	2,034,000	2,494,464
31	Jan 26, 2024 00:27	5,087	36,813,647	14,244,000	2,034,000	2,498,560
32	Jan 26, 2024 00:27	5,089	37,867,324	14,250,000	2,035,000	2,449,408
33	Jan 26, 2024 00:27	5,090	45,638,689	15,270,000	1,018,000	2,400,256
34	Jan 26, 2024 00:27	5,093	44,355,804	16,296,000	0	2,269,184
35	Jan 26, 2024 00:27	5,096	31,585,413	16,307,000	0	2,437,120
36	Jan 26, 2024 00:27	5,101	36,745,674	15,303,000	1,020,000	2,437,120
37	Jan 26, 2024 00:27	5,102	29,944,787	14,286,000	2,040,000	2,441,216
38	Jan 26, 2024 00:27	5,102	33,908,546	15,305,000	1,020,000	2,494,464
39	Jan 26, 2024 00:27	5,109	38,079,645	15,327,000	1,021,000	2,494,464
40	Jan 26, 2024 00:27	5,112	40,962,363	16,359,000	0	2,269,184
41	Jan 26, 2024 00:27	5,118	34,556,584	15,353,000	1,023,000	2,449,408
42	Jan 26, 2024 00:27	5,130	35,396,894	16,415,000	0	2,269,184
43	Jan 26, 2024 00:27	5,136	82,057,258	16,433,710	0	2,203,648
44	Jan 26, 2024 00:27	5,156	32,866,168	15,469,000	1,031,000	2,265,088
45	Jan 26, 2024 00:27	5,165	65,406,191	16,527,474	0	2,203,648
46	Jan 26, 2024 00:27	5,398	83,957,506	17,273,730	0	2,203,648
47	Jan 26, 2024 00:27	5,422	76,061,603	17,349,070	0	2,203,648
48	Jan 26, 2024 00:27	5,437	86,610,106	17,397,018	0	2,199,552

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