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 26, 2021 20:17

Yuriy Lyfenko

Score: 5,119

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 26, 2021 20:17	5,024	33,490,857	15,073,000	1,004,000	2,265,088
2	May 26, 2021 20:17	5,025	34,828,532	14,071,000	2,010,000	2,265,088
3	May 26, 2021 20:17	5,032	34,881,030	15,096,000	1,006,000	2,527,232
4	May 26, 2021 20:17	5,051	34,783,716	15,153,000	1,010,000	2,396,160
5	May 26, 2021 20:17	5,053	44,980,609	15,160,000	1,010,000	2,506,752
6	May 26, 2021 20:17	5,064	35,532,781	14,181,000	2,025,000	2,514,944
7	May 26, 2021 20:16	5,097	37,260,058	15,292,000	1,019,000	2,265,088
8	May 26, 2021 20:16	5,099	31,885,507	14,279,000	2,039,000	2,396,160
9	May 26, 2021 20:17	5,101	39,436,073	15,304,000	1,020,000	2,265,088
10	May 26, 2021 20:17	5,105	36,377,491	15,315,000	1,021,000	2,265,088
11	May 26, 2021 20:17	5,105	41,663,920	15,316,000	1,021,000	2,400,256
12	May 26, 2021 20:17	5,105	34,774,337	16,337,000	0	2,265,088
13	May 26, 2021 20:16	5,109	33,144,949	16,348,000	0	2,265,088
14	May 26, 2021 20:17	5,109	38,163,506	14,307,000	2,043,000	2,265,088
15	May 26, 2021 20:16	5,110	36,319,514	16,353,000	0	2,392,064
16	May 26, 2021 20:17	5,112	36,458,012	14,314,000	2,044,000	2,265,088
17	May 26, 2021 20:16	5,113	44,539,487	15,338,000	1,022,000	2,265,088
18	May 26, 2021 20:17	5,114	38,245,193	16,365,000	0	2,396,160
19	May 26, 2021 20:17	5,119	36,922,138	14,333,000	2,047,000	2,265,088
20	May 26, 2021 20:17	5,124	41,162,623	15,372,000	1,024,000	2,265,088
21	May 26, 2021 20:16	5,127	38,194,693	15,380,000	1,025,000	2,502,656
22	May 26, 2021 20:16	5,135	46,344,017	16,433,000	0	2,265,088
23	May 26, 2021 20:16	5,141	44,773,024	16,451,000	0	2,400,256
24	May 26, 2021 20:16	5,142	38,738,279	15,426,000	1,028,000	2,260,992
25	May 26, 2021 20:17	5,143	37,791,106	15,431,000	1,028,000	2,478,080
26	May 26, 2021 20:17	5,145	36,255,394	16,464,000	0	2,506,752
27	May 26, 2021 20:17	5,153	31,839,195	15,458,000	1,030,000	2,396,160
28	May 26, 2021 20:17	5,274	52,216,145	16,876,599	0	2,273,280
29	May 26, 2021 20:17	5,299	87,457,436	16,955,622	0	2,273,280
30	May 26, 2021 20:17	5,308	47,744,472	16,985,691	0	2,273,280
31	May 26, 2021 20:16	5,309	43,996,971	16,988,715	0	2,277,376
32	May 26, 2021 20:17	5,316	67,058,391	17,010,244	0	2,277,376
33	May 26, 2021 20:16	5,326	91,417,317	17,042,440	0	2,281,472
34	May 26, 2021 20:17	5,329	75,699,044	17,052,289	0	2,277,376
35	May 26, 2021 20:17	5,334	82,161,155	17,067,886	0	2,277,376
36	May 26, 2021 20:16	5,384	67,504,291	17,230,379	0	2,277,376

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