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 21:19

Mikhail Dektyarev

Score: 5,498

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 21:19	5,457	39,129,868	16,436,000	1,027,000	2,519,040
2	May 11, 2021 21:19	5,469	42,396,111	14,413,000	3,088,000	2,519,040
3	May 11, 2021 21:19	5,479	38,074,687	17,534,000	0	2,383,872
4	May 11, 2021 21:19	5,483	33,769,193	16,515,000	1,032,000	2,383,872
5	May 11, 2021 21:19	5,485	37,025,279	17,552,000	0	2,519,040
6	May 11, 2021 21:19	5,486	39,057,313	16,522,000	1,032,000	2,392,064
7	May 11, 2021 21:19	5,486	38,833,871	17,555,000	0	2,379,776
8	May 11, 2021 21:19	5,487	42,932,009	17,557,000	0	2,260,992
9	May 11, 2021 21:19	5,487	39,389,052	17,558,000	0	2,260,992
10	May 11, 2021 21:19	5,489	44,865,829	17,565,000	0	2,519,040
11	May 11, 2021 21:19	5,489	39,262,235	15,499,000	2,066,000	2,392,064
12	May 11, 2021 21:19	5,489	40,460,258	15,498,000	2,066,000	2,383,872
13	May 11, 2021 21:19	5,490	47,490,308	17,568,000	0	2,383,872
14	May 11, 2021 21:19	5,491	33,157,399	17,571,000	0	2,519,040
15	May 11, 2021 21:19	5,492	39,404,281	16,540,000	1,033,000	2,392,064
16	May 11, 2021 21:19	5,496	42,298,535	17,586,000	0	2,519,040
17	May 11, 2021 21:19	5,496	36,941,855	16,552,000	1,034,000	2,519,040
18	May 11, 2021 21:19	5,497	35,963,907	17,589,000	0	2,392,064
19	May 11, 2021 21:19	5,498	42,844,038	17,592,000	0	2,519,040
20	May 11, 2021 21:19	5,499	37,117,350	16,563,000	1,035,000	2,506,752
21	May 11, 2021 21:19	5,501	40,047,801	17,602,000	0	2,396,160
22	May 11, 2021 21:19	5,503	39,895,051	16,574,000	1,035,000	2,265,088
23	May 11, 2021 21:19	5,503	45,823,639	16,575,000	1,035,000	2,392,064
24	May 11, 2021 21:19	5,504	38,301,044	17,614,000	0	2,392,064
25	May 11, 2021 21:19	5,510	37,217,631	17,633,000	0	2,519,040
26	May 11, 2021 21:19	5,518	47,974,962	16,619,000	1,038,000	2,519,040
27	May 11, 2021 21:19	5,519	45,663,142	15,584,000	2,077,000	2,387,968
28	May 11, 2021 21:19	5,751	88,421,695	18,404,707	0	2,285,568
29	May 11, 2021 21:19	5,757	72,844,039	18,421,100	0	2,281,472
30	May 11, 2021 21:19	5,789	84,666,107	18,523,597	0	2,277,376
31	May 11, 2021 21:19	5,790	68,229,005	18,527,506	0	2,285,568
32	May 11, 2021 21:19	5,801	82,110,266	18,564,235	0	2,289,664
33	May 11, 2021 21:19	5,807	80,249,841	18,580,886	0	2,273,280
34	May 11, 2021 21:19	5,810	79,286,557	18,590,887	0	2,273,280
35	May 11, 2021 21:19	5,830	98,156,868	18,655,984	0	2,269,184
36	May 11, 2021 21:19	5,854	81,671,877	18,732,920	0	2,285,568

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