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 16, 2021 13:59

Yuriy Lyfenko

Score: 5,485

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 13:52	5,411	42,448,871	16,298,000	1,018,000	2,392,064
2	May 16, 2021 13:52	5,412	41,982,532	15,280,000	2,037,000	2,519,040
3	May 16, 2021 13:52	5,423	45,153,240	17,354,000	0	2,519,040
4	May 16, 2021 13:52	5,425	38,468,583	16,339,000	1,021,000	2,396,160
5	May 16, 2021 13:52	5,426	41,278,235	14,300,000	3,064,000	2,519,040
6	May 16, 2021 13:52	5,426	38,734,682	14,299,000	3,064,000	2,387,968
7	May 16, 2021 13:52	5,427	47,109,364	16,344,000	1,021,000	2,519,040
8	May 16, 2021 13:52	5,433	46,740,562	17,385,000	0	2,379,776
9	May 16, 2021 13:52	5,433	44,548,186	16,362,000	1,022,000	2,387,968
10	May 16, 2021 13:52	5,435	45,734,274	16,369,000	1,023,000	2,519,040
11	May 16, 2021 13:52	5,438	38,200,105	16,380,000	1,023,000	2,387,968
12	May 16, 2021 13:52	5,447	42,160,590	16,405,000	1,025,000	2,519,040
13	May 16, 2021 13:52	5,450	40,813,888	16,415,000	1,025,000	2,387,968
14	May 16, 2021 13:52	5,451	43,311,539	15,390,000	2,052,000	2,519,040
15	May 16, 2021 13:52	5,451	45,864,422	16,417,000	1,026,000	2,523,136
16	May 16, 2021 13:52	5,452	34,163,409	17,445,000	0	2,519,040
17	May 16, 2021 13:52	5,452	38,495,249	15,395,000	2,052,000	2,260,992
18	May 16, 2021 13:52	5,456	45,595,130	17,459,000	0	2,519,040
19	May 16, 2021 13:52	5,457	41,649,841	16,435,000	1,027,000	2,519,040
20	May 16, 2021 13:52	5,457	40,083,842	15,408,000	2,054,000	2,392,064
21	May 16, 2021 13:52	5,459	42,346,106	17,469,000	0	2,506,752
22	May 16, 2021 13:52	5,459	46,518,291	16,442,000	1,027,000	2,519,040
23	May 16, 2021 13:52	5,460	38,771,730	16,444,000	1,027,000	2,383,872
24	May 16, 2021 13:52	5,463	31,255,279	15,424,000	2,056,000	2,387,968
25	May 16, 2021 13:52	5,485	32,522,242	17,553,000	0	2,383,872
26	May 16, 2021 13:52	5,555	31,583,928	16,730,000	1,045,000	2,519,040
27	May 16, 2021 13:52	5,599	42,791,397	17,918,000	0	2,387,968
28	May 16, 2021 13:59	5,655	43,795,833	15,080,000	3,016,000	2,260,992
29	May 16, 2021 13:52	5,663	81,887,525	18,122,932	0	2,277,376
30	May 16, 2021 13:59	5,669	46,106,639	17,135,000	1,007,000	2,392,064
31	May 16, 2021 13:52	5,671	83,971,659	18,145,604	0	2,285,568
32	May 16, 2021 13:59	5,678	42,354,967	16,152,000	2,019,000	2,392,064
33	May 16, 2021 13:59	5,681	45,919,362	16,160,000	2,020,000	2,383,872
34	May 16, 2021 13:52	5,682	78,653,417	18,181,664	0	2,281,472
35	May 16, 2021 13:59	5,683	42,391,718	16,164,000	2,020,000	2,387,968
36	May 16, 2021 13:59	5,693	44,562,261	17,204,000	1,012,000	2,396,160
37	May 16, 2021 13:52	5,702	89,844,714	18,244,819	0	2,273,280
38	May 16, 2021 13:59	5,703	46,042,203	14,193,000	4,055,000	2,519,040
39	May 16, 2021 13:52	5,708	63,841,879	18,266,730	0	2,285,568
40	May 16, 2021 13:59	5,717	42,389,493	16,263,000	2,032,000	2,519,040
41	May 16, 2021 13:59	5,719	49,681,007	16,267,000	2,033,000	2,379,776
42	May 16, 2021 13:52	5,720	75,131,545	18,304,333	0	2,277,376
43	May 16, 2021 13:52	5,729	95,022,093	18,332,696	0	2,285,568
44	May 16, 2021 13:52	5,736	81,881,689	18,355,299	0	2,285,568
45	May 16, 2021 13:52	5,750	63,002,233	18,399,104	0	2,281,472
46	May 16, 2021 13:59	6,229	89,605,002	19,933,631	0	2,285,568
47	May 16, 2021 13:59	6,244	89,671,728	19,981,062	0	2,273,280
48	May 16, 2021 13:59	6,252	81,418,251	20,005,856	0	2,269,184

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