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 19:40

Yuriy Lyfenko

Score: 5,588

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:40	5,542	37,868,004	15,648,000	2,086,000	2,396,160
2	May 11, 2021 19:40	5,542	43,475,835	17,733,000	0	2,387,968
3	May 11, 2021 19:39	5,565	47,005,986	15,829,000	1,978,000	2,392,064
4	May 11, 2021 19:40	5,579	42,990,756	15,870,000	1,983,000	2,506,752
5	May 11, 2021 19:39	5,582	50,747,982	15,878,000	1,984,000	2,519,040
6	May 11, 2021 19:39	5,583	46,341,903	17,867,000	0	2,519,040
7	May 11, 2021 19:40	5,584	47,764,597	16,877,000	992,000	2,519,040
8	May 11, 2021 19:40	5,584	43,082,571	16,877,000	992,000	2,396,160
9	May 11, 2021 19:40	5,584	44,382,181	16,878,000	992,000	2,523,136
10	May 11, 2021 19:39	5,584	36,128,339	15,884,000	1,985,000	2,519,040
11	May 11, 2021 19:39	5,584	34,482,853	16,819,000	1,051,000	2,519,040
12	May 11, 2021 19:39	5,584	31,433,854	16,878,000	992,000	2,392,064
13	May 11, 2021 19:39	5,585	43,912,812	15,887,000	1,985,000	2,387,968
14	May 11, 2021 19:39	5,585	34,742,210	15,886,000	1,985,000	2,387,968
15	May 11, 2021 19:40	5,586	44,922,156	14,895,000	2,979,000	2,383,872
16	May 11, 2021 19:39	5,586	43,663,153	17,876,000	0	2,387,968
17	May 11, 2021 19:40	5,586	39,398,244	15,890,000	1,986,000	2,519,040
18	May 11, 2021 19:40	5,586	36,638,598	15,889,000	1,986,000	2,519,040
19	May 11, 2021 19:40	5,586	47,480,986	14,895,000	2,979,000	2,260,992
20	May 11, 2021 19:39	5,586	34,270,417	16,882,000	993,000	2,519,040
21	May 11, 2021 19:39	5,586	47,997,950	16,882,000	993,000	2,387,968
22	May 11, 2021 19:39	5,587	49,741,705	15,891,000	1,986,000	2,506,752
23	May 11, 2021 19:40	5,587	33,734,248	16,886,000	993,000	2,392,064
24	May 11, 2021 19:39	5,587	46,330,871	15,893,000	1,986,000	2,260,992
25	May 11, 2021 19:39	5,588	43,636,794	16,887,000	993,000	2,519,040
26	May 11, 2021 19:39	5,588	49,986,483	16,887,000	993,000	2,519,040
27	May 11, 2021 19:40	5,588	44,136,905	14,900,000	2,980,000	2,260,992
28	May 11, 2021 19:40	5,588	40,308,928	16,888,000	993,000	2,519,040
29	May 11, 2021 19:39	5,588	35,331,251	15,896,000	1,987,000	2,519,040
30	May 11, 2021 19:39	5,589	44,748,099	14,904,000	2,980,000	2,519,040
31	May 11, 2021 19:40	5,590	44,356,653	16,894,000	993,000	2,392,064
32	May 11, 2021 19:40	5,592	43,589,845	15,906,000	1,988,000	2,519,040
33	May 11, 2021 19:40	5,596	37,123,803	15,919,000	1,989,000	2,387,968
34	May 11, 2021 19:39	5,598	42,771,719	16,918,000	995,000	2,392,064
35	May 11, 2021 19:40	5,598	39,127,375	15,922,000	1,990,000	2,392,064
36	May 11, 2021 19:40	5,601	44,550,649	16,928,000	995,000	2,260,992
37	May 11, 2021 19:39	5,761	51,024,097	18,435,128	0	2,285,568
38	May 11, 2021 19:39	5,763	74,104,154	18,441,722	0	2,285,568
39	May 11, 2021 19:39	5,766	75,873,868	18,451,034	0	2,281,472
40	May 11, 2021 19:39	5,787	81,736,329	18,517,529	0	2,273,280
41	May 11, 2021 19:39	5,815	64,032,632	18,607,261	0	2,281,472
42	May 11, 2021 19:40	5,818	89,971,581	18,619,120	0	2,289,664
43	May 11, 2021 19:40	5,819	89,839,793	18,620,074	0	2,281,472
44	May 11, 2021 19:40	5,827	83,078,653	18,647,250	0	2,273,280
45	May 11, 2021 19:39	5,828	80,622,521	18,650,338	0	2,277,376
46	May 11, 2021 19:40	5,831	85,423,042	18,659,121	0	2,273,280
47	May 11, 2021 19:40	5,835	85,848,854	18,673,001	0	2,277,376
48	May 11, 2021 19:40	5,842	86,231,251	18,693,514	0	2,277,376

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