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 18, 2021 21:53

Andrey Tsvetkov

Score: 5,691

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2021 21:53	5,642	92,189,425	18,052,807	0	2,277,376
2	Jul 18, 2021 21:53	5,644	91,529,654	18,061,840	0	2,277,376
3	Jul 18, 2021 21:53	5,653	44,516,915	17,085,000	1,005,000	2,318,336
4	Jul 18, 2021 21:53	5,655	60,438,710	18,094,570	0	2,277,376
5	Jul 18, 2021 21:53	5,657	42,088,620	16,092,000	2,011,000	2,342,912
6	Jul 18, 2021 21:53	5,662	84,303,076	18,118,770	0	2,277,376
7	Jul 18, 2021 21:53	5,666	44,882,308	17,124,000	1,007,000	2,342,912
8	Jul 18, 2021 21:53	5,666	34,487,554	17,123,000	1,007,000	2,342,912
9	Jul 18, 2021 21:53	5,673	40,708,955	16,137,000	2,017,000	2,306,048
10	Jul 18, 2021 21:53	5,673	41,614,764	16,136,000	2,017,000	2,310,144
11	Jul 18, 2021 21:53	5,674	48,989,878	16,141,000	2,017,000	2,342,912
12	Jul 18, 2021 21:53	5,675	42,971,934	17,152,000	1,008,000	2,342,912
13	Jul 18, 2021 21:53	5,676	39,777,026	17,153,000	1,009,000	2,342,912
14	Jul 18, 2021 21:53	5,676	38,822,148	16,144,000	2,018,000	2,314,240
15	Jul 18, 2021 21:53	5,679	37,420,220	17,165,000	1,009,000	2,342,912
16	Jul 18, 2021 21:53	5,679	43,037,162	17,165,000	1,009,000	2,437,120
17	Jul 18, 2021 21:53	5,680	38,151,359	17,166,000	1,009,000	2,441,216
18	Jul 18, 2021 21:53	5,683	43,931,275	16,164,000	2,020,000	2,310,144
19	Jul 18, 2021 21:53	5,684	40,495,373	17,179,000	1,010,000	2,437,120
20	Jul 18, 2021 21:53	5,685	70,233,608	18,192,776	0	2,289,664
21	Jul 18, 2021 21:53	5,686	80,968,695	18,196,386	0	2,273,280
22	Jul 18, 2021 21:53	5,687	34,852,638	16,177,000	2,022,000	2,342,912
23	Jul 18, 2021 21:53	5,687	43,353,867	16,176,000	2,022,000	2,342,912
24	Jul 18, 2021 21:53	5,687	39,373,825	16,176,000	2,022,000	2,342,912
25	Jul 18, 2021 21:53	5,691	39,406,644	16,187,000	2,023,000	2,342,912
26	Jul 18, 2021 21:53	5,691	35,113,308	17,199,000	1,011,000	2,342,912
27	Jul 18, 2021 21:53	5,691	37,689,335	17,201,000	1,011,000	2,342,912
28	Jul 18, 2021 21:53	5,696	41,932,438	16,201,000	2,025,000	2,449,408
29	Jul 18, 2021 21:53	5,698	39,526,964	16,207,000	2,025,000	2,310,144
30	Jul 18, 2021 21:53	5,699	40,197,254	16,210,000	2,026,000	2,342,912
31	Jul 18, 2021 21:53	5,700	87,011,270	18,241,161	0	2,285,568
32	Jul 18, 2021 21:53	5,700	37,585,590	17,228,000	1,013,000	2,342,912
33	Jul 18, 2021 21:53	5,701	38,127,575	17,230,000	1,013,000	2,342,912
34	Jul 18, 2021 21:53	5,701	42,265,881	17,229,000	1,013,000	2,342,912
35	Jul 18, 2021 21:53	5,708	35,053,625	16,237,000	2,029,000	2,342,912
36	Jul 18, 2021 21:53	5,708	60,555,779	18,266,819	0	2,281,472
37	Jul 18, 2021 21:53	5,708	85,453,864	18,266,718	0	2,281,472
38	Jul 18, 2021 21:53	5,708	45,090,748	16,237,000	2,029,000	2,342,912
39	Jul 18, 2021 21:53	5,711	35,481,990	15,230,000	3,046,000	2,342,912
40	Jul 18, 2021 21:53	5,713	41,616,949	17,267,000	1,015,000	2,342,912
41	Jul 18, 2021 21:53	5,717	39,129,938	17,277,000	1,016,000	2,342,912
42	Jul 18, 2021 21:53	5,718	42,912,351	17,280,000	1,016,000	2,306,048
43	Jul 18, 2021 21:53	5,727	41,928,682	16,289,000	2,036,000	2,342,912
44	Jul 18, 2021 21:53	5,728	39,499,732	16,292,000	2,036,000	2,342,912
45	Jul 18, 2021 21:53	5,730	40,546,777	16,298,000	2,037,000	2,306,048
46	Jul 18, 2021 21:53	5,823	81,846,817	18,635,148	0	2,277,376
47	Jul 18, 2021 21:53	5,881	80,876,911	18,818,556	0	2,285,568
48	Jul 18, 2021 21:53	5,912	97,555,699	18,918,233	0	2,285,568

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