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 15, 2021 20:46

Yuriy Lyfenko

Score: 5,679

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 20:47	5,635	45,256,219	16,030,000	2,003,000	2,392,064
2	May 15, 2021 20:46	5,637	38,704,324	15,032,000	3,006,000	2,392,064
3	May 15, 2021 20:47	5,643	45,305,171	16,051,000	2,006,000	2,260,992
4	May 15, 2021 20:47	5,643	46,107,709	15,047,000	3,009,000	2,404,352
5	May 15, 2021 20:46	5,644	43,288,680	16,055,000	2,006,000	2,396,160
6	May 15, 2021 20:47	5,645	49,029,682	16,056,000	2,007,000	2,260,992
7	May 15, 2021 20:47	5,647	37,339,297	17,066,000	1,003,000	2,523,136
8	May 15, 2021 20:46	5,648	42,416,569	16,065,000	2,008,000	2,387,968
9	May 15, 2021 20:47	5,648	46,178,394	17,071,000	1,004,000	2,523,136
10	May 15, 2021 20:47	5,649	47,855,940	16,068,000	2,008,000	2,392,064
11	May 15, 2021 20:46	5,649	49,926,463	15,064,000	3,012,000	2,392,064
12	May 15, 2021 20:47	5,649	52,257,523	17,072,000	1,004,000	2,396,160
13	May 15, 2021 20:47	5,650	34,360,096	17,076,000	1,004,000	2,387,968
14	May 15, 2021 20:46	5,651	44,241,550	16,074,000	2,009,000	2,265,088
15	May 15, 2021 20:47	5,653	43,738,791	16,079,000	2,009,000	2,265,088
16	May 15, 2021 20:46	5,654	45,094,682	17,088,000	1,005,000	2,523,136
17	May 15, 2021 20:46	5,655	46,446,825	17,090,000	1,005,000	2,392,064
18	May 15, 2021 20:47	5,656	45,232,379	15,082,000	3,016,000	2,383,872
19	May 15, 2021 20:47	5,663	51,034,294	15,102,000	3,020,000	2,392,064
20	May 15, 2021 20:46	5,667	36,493,004	16,120,000	2,015,000	2,400,256
21	May 15, 2021 20:47	5,668	45,375,166	16,121,000	2,015,000	2,404,352
22	May 15, 2021 20:47	5,669	34,058,859	16,127,000	2,015,000	2,260,992
23	May 15, 2021 20:47	5,670	46,511,093	15,120,000	3,024,000	2,387,968
24	May 15, 2021 20:46	5,671	49,203,421	16,131,000	2,016,000	2,392,064
25	May 15, 2021 20:47	5,672	43,875,566	16,133,000	2,016,000	2,523,136
26	May 15, 2021 20:47	5,672	46,164,710	17,143,000	1,008,000	2,387,968
27	May 15, 2021 20:46	5,673	48,116,882	16,137,000	2,017,000	2,387,968
28	May 15, 2021 20:47	5,674	48,596,942	17,150,000	1,008,000	2,260,992
29	May 15, 2021 20:47	5,674	42,545,899	16,139,000	2,017,000	2,523,136
30	May 15, 2021 20:47	5,675	39,739,615	16,142,000	2,017,000	2,396,160
31	May 15, 2021 20:47	5,679	50,154,391	16,153,000	2,019,000	2,396,160
32	May 15, 2021 20:46	5,680	41,686,036	17,167,000	1,009,000	2,506,752
33	May 15, 2021 20:47	5,682	45,245,346	17,172,000	1,010,000	2,265,088
34	May 15, 2021 20:47	5,683	39,867,261	15,156,000	3,031,000	2,523,136
35	May 15, 2021 20:47	5,685	44,197,937	17,181,000	1,010,000	2,387,968
36	May 15, 2021 20:46	5,690	42,878,490	16,184,000	2,023,000	2,260,992
37	May 15, 2021 20:46	5,691	35,685,738	16,188,000	2,023,000	2,523,136
38	May 15, 2021 20:46	5,694	43,600,938	16,197,000	2,024,000	2,392,064
39	May 15, 2021 20:46	5,697	41,457,844	17,219,000	1,012,000	2,260,992
40	May 15, 2021 20:46	5,697	46,625,804	16,205,000	2,025,000	2,387,968
41	May 15, 2021 20:46	5,702	42,823,982	18,246,000	0	2,396,160
42	May 15, 2021 20:47	5,706	45,394,794	16,231,000	2,028,000	2,396,160
43	May 15, 2021 20:46	5,708	41,088,084	18,266,000	0	2,400,256
44	May 15, 2021 20:47	5,710	41,434,502	18,273,000	0	2,523,136
45	May 15, 2021 20:47	5,717	44,566,147	17,277,000	1,016,000	2,260,992
46	May 15, 2021 20:46	5,841	99,969,994	18,691,975	0	2,281,472
47	May 15, 2021 20:46	5,855	89,134,120	18,735,706	0	2,277,376
48	May 15, 2021 20:46	5,857	78,946,142	18,742,222	0	2,277,376
49	May 15, 2021 20:47	5,871	75,157,549	18,788,277	0	2,277,376
50	May 15, 2021 20:47	5,874	80,963,618	18,796,891	0	2,273,280
51	May 15, 2021 20:47	5,880	94,405,197	18,817,220	0	2,281,472
52	May 15, 2021 20:46	5,883	84,341,749	18,824,056	0	2,281,472
53	May 15, 2021 20:46	5,890	95,409,067	18,846,615	0	2,277,376
54	May 15, 2021 20:47	5,899	67,512,169	18,877,122	0	2,277,376
55	May 15, 2021 20:47	5,903	97,375,730	18,890,024	0	2,277,376
56	May 15, 2021 20:47	5,914	84,478,901	18,924,063	0	2,281,472
57	May 15, 2021 20:47	5,921	99,084,766	18,947,667	0	2,277,376
58	May 15, 2021 20:47	5,921	81,409,458	18,945,682	0	2,277,376
59	May 15, 2021 20:46	5,927	66,126,285	18,965,206	0	2,273,280
60	May 15, 2021 20:47	5,927	80,140,133	18,966,307	0	2,269,184

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