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 listJul 14, 2021 11:13

Andrey Tsvetkov

Score: 5,694

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 14, 2021 11:13	5,644	46,679,758	15,051,000	3,010,000	2,523,136
2	Jul 14, 2021 11:13	5,645	46,995,866	16,056,000	2,007,000	2,523,136
3	Jul 14, 2021 11:13	5,655	43,752,780	16,086,000	2,010,000	2,531,328
4	Jul 14, 2021 11:13	5,655	48,306,743	15,080,000	3,016,000	2,334,720
5	Jul 14, 2021 11:13	5,656	33,474,475	16,088,000	2,011,000	2,334,720
6	Jul 14, 2021 11:13	5,659	38,823,735	16,096,000	2,012,000	2,334,720
7	Jul 14, 2021 11:13	5,663	32,765,338	16,108,000	2,013,000	2,387,968
8	Jul 14, 2021 11:13	5,663	43,802,773	15,101,000	3,020,000	2,334,720
9	Jul 14, 2021 11:13	5,664	41,726,772	14,098,000	4,028,000	2,531,328
10	Jul 14, 2021 11:13	5,665	44,250,026	15,107,000	3,021,000	2,334,720
11	Jul 14, 2021 11:13	5,665	43,601,487	15,107,000	3,021,000	2,334,720
12	Jul 14, 2021 11:13	5,667	35,269,864	16,119,000	2,014,000	2,334,720
13	Jul 14, 2021 11:13	5,669	46,598,573	15,119,000	3,023,000	2,519,040
14	Jul 14, 2021 11:13	5,669	35,045,881	16,125,000	2,015,000	2,531,328
15	Jul 14, 2021 11:13	5,670	36,860,907	16,129,000	2,016,000	2,338,816
16	Jul 14, 2021 11:13	5,670	42,353,435	15,121,000	3,024,000	2,523,136
17	Jul 14, 2021 11:13	5,671	42,238,661	15,122,000	3,024,000	2,334,720
18	Jul 14, 2021 11:13	5,671	43,085,729	16,132,000	2,016,000	2,334,720
19	Jul 14, 2021 11:13	5,672	44,275,201	16,135,000	2,016,000	2,334,720
20	Jul 14, 2021 11:13	5,672	45,991,903	15,126,000	3,025,000	2,334,720
21	Jul 14, 2021 11:13	5,673	44,082,048	15,129,000	3,025,000	2,396,160
22	Jul 14, 2021 11:13	5,674	33,763,943	15,132,000	3,026,000	2,334,720
23	Jul 14, 2021 11:13	5,677	45,822,128	15,138,000	3,027,000	2,334,720
24	Jul 14, 2021 11:13	5,680	43,636,182	16,157,000	2,019,000	2,383,872
25	Jul 14, 2021 11:13	5,687	40,015,246	15,166,000	3,033,000	2,523,136
26	Jul 14, 2021 11:13	5,688	42,308,760	16,180,000	2,022,000	2,330,624
27	Jul 14, 2021 11:13	5,690	40,352,611	15,173,000	3,034,000	2,531,328
28	Jul 14, 2021 11:13	5,691	45,909,564	15,175,000	3,035,000	2,334,720
29	Jul 14, 2021 11:13	5,693	42,457,573	16,192,000	2,024,000	2,531,328
30	Jul 14, 2021 11:13	5,693	39,123,831	15,183,000	3,036,000	2,334,720
31	Jul 14, 2021 11:13	5,694	41,702,596	15,184,000	3,036,000	2,527,232
32	Jul 14, 2021 11:13	5,696	85,992,816	18,228,454	0	2,232,320
33	Jul 14, 2021 11:13	5,696	37,414,758	17,214,000	1,012,000	2,531,328
34	Jul 14, 2021 11:13	5,697	45,440,107	16,205,000	2,025,000	2,334,720
35	Jul 14, 2021 11:13	5,697	43,797,332	15,191,000	3,038,000	2,334,720
36	Jul 14, 2021 11:13	5,699	47,693,901	15,199,000	3,039,000	2,523,136
37	Jul 14, 2021 11:13	5,699	46,645,595	15,197,000	3,039,000	2,334,720
38	Jul 14, 2021 11:13	5,700	39,742,426	16,214,000	2,026,000	2,334,720
39	Jul 14, 2021 11:13	5,704	77,769,631	18,251,224	0	2,232,320
40	Jul 14, 2021 11:13	5,704	40,433,613	16,224,000	2,028,000	2,527,232
41	Jul 14, 2021 11:13	5,704	41,718,944	16,225,000	2,028,000	2,322,432
42	Jul 14, 2021 11:13	5,707	40,854,060	16,232,000	2,029,000	2,334,720
43	Jul 14, 2021 11:13	5,707	38,946,541	16,234,000	2,029,000	2,523,136
44	Jul 14, 2021 11:13	5,707	43,866,878	16,232,000	2,029,000	2,396,160
45	Jul 14, 2021 11:13	5,710	43,532,126	16,241,000	2,030,000	2,334,720
46	Jul 14, 2021 11:13	5,720	84,833,283	18,302,765	0	2,236,416
47	Jul 14, 2021 11:13	5,722	45,082,532	16,276,000	2,034,000	2,334,720
48	Jul 14, 2021 11:13	5,727	42,774,057	16,291,000	2,036,000	2,334,720
49	Jul 14, 2021 11:13	5,738	90,452,421	18,361,011	0	2,236,416
50	Jul 14, 2021 11:13	5,745	66,149,881	18,382,821	0	2,232,320
51	Jul 14, 2021 11:13	5,748	87,178,731	18,394,462	0	2,232,320
52	Jul 14, 2021 11:13	5,752	105,323,077	18,404,802	0	2,236,416
53	Jul 14, 2021 11:13	5,770	77,075,338	18,463,121	0	2,232,320
54	Jul 14, 2021 11:13	5,804	75,115,682	18,573,900	0	2,236,416
55	Jul 14, 2021 11:13	5,832	75,023,733	18,662,763	0	2,224,128
56	Jul 14, 2021 11:13	5,834	82,879,722	18,668,427	0	2,232,320
57	Jul 14, 2021 11:13	5,851	67,158,143	18,721,721	0	2,236,416
58	Jul 14, 2021 11:13	5,859	79,784,312	18,747,601	0	2,236,416
59	Jul 14, 2021 11:13	5,862	86,563,219	18,757,927	0	2,220,032
60	Jul 14, 2021 11:13	5,923	83,466,046	18,953,822	0	2,232,320

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