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 16, 2021 13:34

Yuriy Lyfenko

Score: 5,464

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 13:35	5,407	37,424,401	14,250,000	3,053,000	2,260,992
2	May 16, 2021 13:36	5,413	41,076,445	16,302,000	1,018,000	2,519,040
3	May 16, 2021 13:35	5,420	39,281,688	16,325,000	1,020,000	2,387,968
4	May 16, 2021 13:35	5,427	39,976,197	16,346,000	1,021,000	2,396,160
5	May 16, 2021 13:35	5,428	34,026,346	16,349,000	1,021,000	2,396,160
6	May 16, 2021 13:35	5,429	38,043,247	17,374,000	0	2,383,872
7	May 16, 2021 13:35	5,429	33,097,777	16,351,000	1,021,000	2,519,040
8	May 16, 2021 13:36	5,429	39,511,162	16,351,000	1,021,000	2,392,064
9	May 16, 2021 13:35	5,430	42,065,079	16,355,000	1,022,000	2,519,040
10	May 16, 2021 13:36	5,433	44,486,167	17,386,000	0	2,387,968
11	May 16, 2021 13:35	5,434	31,819,337	14,321,000	3,068,000	2,506,752
12	May 16, 2021 13:35	5,438	40,021,674	16,379,000	1,023,000	2,387,968
13	May 16, 2021 13:35	5,440	39,998,018	17,409,000	0	2,519,040
14	May 16, 2021 13:36	5,443	42,704,455	15,369,000	2,049,000	2,379,776
15	May 16, 2021 13:36	5,444	39,237,922	16,398,000	1,024,000	2,260,992
16	May 16, 2021 13:34	5,446	42,225,572	17,426,000	0	2,383,872
17	May 16, 2021 13:34	5,446	43,543,896	17,426,000	0	2,519,040
18	May 16, 2021 13:36	5,448	43,429,821	16,409,000	1,025,000	2,379,776
19	May 16, 2021 13:36	5,453	37,606,667	17,451,000	0	2,392,064
20	May 16, 2021 13:35	5,458	38,707,114	17,466,000	0	2,265,088
21	May 16, 2021 13:35	5,458	40,772,298	15,412,000	2,055,000	2,519,040
22	May 16, 2021 13:35	5,461	39,849,446	17,475,000	0	2,519,040
23	May 16, 2021 13:35	5,462	36,438,550	15,422,000	2,056,000	2,478,080
24	May 16, 2021 13:36	5,463	42,842,100	17,483,000	0	2,387,968
25	May 16, 2021 13:34	5,464	43,496,916	16,457,000	1,028,000	2,392,064
26	May 16, 2021 13:35	5,464	44,908,240	15,543,000	1,942,000	2,519,040
27	May 16, 2021 13:34	5,466	32,841,075	15,434,000	2,057,000	2,519,040
28	May 16, 2021 13:35	5,470	45,622,165	16,476,000	1,029,000	2,392,064
29	May 16, 2021 13:36	5,471	33,173,679	15,447,000	2,059,000	2,392,064
30	May 16, 2021 13:35	5,478	42,055,054	16,499,000	1,031,000	2,387,968
31	May 16, 2021 13:35	5,484	34,981,885	17,548,000	0	2,519,040
32	May 16, 2021 13:34	5,489	39,763,012	17,565,000	0	2,519,040
33	May 16, 2021 13:34	5,492	42,701,310	17,575,000	0	2,519,040
34	May 16, 2021 13:34	5,569	44,185,892	16,832,000	990,000	2,519,040
35	May 16, 2021 13:34	5,582	36,505,516	15,878,000	1,984,000	2,519,040
36	May 16, 2021 13:34	5,582	43,668,098	15,878,000	1,984,000	2,383,872
37	May 16, 2021 13:36	5,699	73,757,020	18,236,664	0	2,289,664
38	May 16, 2021 13:36	5,701	82,221,787	18,242,412	0	2,281,472
39	May 16, 2021 13:34	5,710	90,085,964	18,270,432	0	2,281,472
40	May 16, 2021 13:35	5,717	97,520,445	18,293,472	0	2,281,472
41	May 16, 2021 13:36	5,724	82,473,770	18,318,015	0	2,277,376
42	May 16, 2021 13:35	5,732	81,885,458	18,341,140	0	2,281,472
43	May 16, 2021 13:34	5,743	76,079,858	18,378,406	0	2,281,472
44	May 16, 2021 13:35	5,744	91,484,348	18,382,093	0	2,277,376
45	May 16, 2021 13:35	5,757	74,832,951	18,422,765	0	2,277,376
46	May 16, 2021 13:34	5,760	62,993,859	18,432,864	0	2,281,472
47	May 16, 2021 13:35	5,788	82,880,565	18,520,828	0	2,273,280
48	May 16, 2021 13:35	5,821	87,482,781	18,627,509	0	2,277,376

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