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 22, 2021 17:52

Andrey Tsvetkov

Score: 5,723

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 22, 2021 17:46	5,669	45,166,515	16,127,000	2,015,000	2,531,328
2	May 22, 2021 17:46	5,674	50,036,113	16,141,000	2,017,000	2,392,064
3	May 22, 2021 17:46	5,674	38,547,340	15,132,000	3,026,000	2,334,720
4	May 22, 2021 17:52	5,677	42,035,309	15,139,000	3,027,000	2,334,720
5	May 22, 2021 17:46	5,678	49,096,639	16,150,000	2,018,000	2,535,424
6	May 22, 2021 17:52	5,680	37,397,940	16,158,000	2,019,000	2,523,136
7	May 22, 2021 17:46	5,683	33,299,577	15,154,000	3,030,000	2,531,328
8	May 22, 2021 17:52	5,686	40,130,118	16,173,000	2,021,000	2,527,232
9	May 22, 2021 17:46	5,687	35,068,413	15,165,000	3,033,000	2,527,232
10	May 22, 2021 17:46	5,690	34,405,332	16,186,000	2,023,000	2,334,720
11	May 22, 2021 17:46	5,690	40,091,051	15,174,000	3,034,000	2,334,720
12	May 22, 2021 17:52	5,690	45,161,181	16,184,000	2,023,000	2,334,720
13	May 22, 2021 17:46	5,690	41,289,916	16,184,000	2,023,000	2,334,720
14	May 22, 2021 17:46	5,691	46,880,383	16,187,000	2,023,000	2,523,136
15	May 22, 2021 17:46	5,693	40,948,992	15,182,000	3,036,000	2,330,624
16	May 22, 2021 17:52	5,694	44,393,283	16,196,000	2,024,000	2,334,720
17	May 22, 2021 17:52	5,700	45,710,123	16,215,000	2,026,000	2,523,136
18	May 22, 2021 17:46	5,702	40,847,532	15,206,000	3,041,000	2,531,328
19	May 22, 2021 17:52	5,703	31,126,810	15,207,000	3,041,000	2,334,720
20	May 22, 2021 17:46	5,706	43,082,428	16,231,000	2,028,000	2,527,232
21	May 22, 2021 17:46	5,708	67,448,333	18,264,543	0	2,236,416
22	May 22, 2021 17:52	5,714	50,013,104	15,237,000	3,047,000	2,334,720
23	May 22, 2021 17:52	5,723	85,631,416	18,314,030	0	2,228,224
24	May 22, 2021 17:46	5,724	37,715,333	16,283,000	2,035,000	2,334,720
25	May 22, 2021 17:46	5,725	42,262,612	15,266,000	3,053,000	2,322,432
26	May 22, 2021 17:46	5,725	39,303,887	15,266,000	3,053,000	2,326,528
27	May 22, 2021 17:52	5,729	41,746,977	15,279,000	3,055,000	2,334,720
28	May 22, 2021 17:46	5,739	44,035,357	16,326,000	2,040,000	2,379,776
29	May 22, 2021 17:46	5,741	39,874,086	17,351,000	1,020,000	2,334,720
30	May 22, 2021 17:46	5,753	62,131,653	18,410,089	0	2,240,512
31	May 22, 2021 17:46	5,757	74,258,378	18,423,559	0	2,232,320
32	May 22, 2021 17:46	5,759	82,786,666	18,429,379	0	2,224,128
33	May 22, 2021 17:46	5,789	88,219,861	18,523,713	0	2,244,608
34	May 22, 2021 17:46	5,804	79,428,551	18,572,532	0	2,240,512
35	May 22, 2021 17:46	5,808	77,893,325	18,587,168	0	2,240,512
36	May 22, 2021 17:46	5,808	82,710,194	18,585,042	0	2,232,320
37	May 22, 2021 17:46	5,814	84,159,031	18,603,705	0	2,240,512
38	May 22, 2021 17:46	5,834	85,156,652	18,669,503	0	2,232,320
39	May 22, 2021 17:52	5,845	80,904,335	18,703,080	0	2,220,032
40	May 22, 2021 17:52	5,864	56,365,573	18,764,987	0	2,232,320
41	May 22, 2021 17:52	5,873	83,665,002	18,792,643	0	2,232,320
42	May 22, 2021 17:46	5,885	59,191,216	18,832,928	0	2,240,512
43	May 22, 2021 17:52	5,927	83,532,340	18,966,158	0	2,228,224
44	May 22, 2021 17:46	5,934	84,784,337	18,988,019	0	2,240,512
45	May 22, 2021 17:52	5,938	83,005,087	19,002,839	0	2,236,416

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