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 25, 2021 14:48

Yuriy Lyfenko

Score: 5,121

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 25, 2021 14:48	5,057	45,502,867	14,159,000	2,022,000	2,265,088
2	May 25, 2021 06:27	5,060	42,372,421	14,168,000	2,024,000	2,396,160
3	May 25, 2021 06:27	5,070	35,756,931	15,210,000	1,014,000	2,265,088
4	May 25, 2021 06:29	5,086	49,696,839	15,257,000	1,017,000	2,265,088
5	May 25, 2021 06:27	5,087	43,375,166	14,243,000	2,034,000	2,392,064
6	May 25, 2021 06:29	5,088	33,933,921	14,247,000	2,035,000	2,400,256
7	May 25, 2021 14:48	5,089	35,797,070	14,250,000	2,035,000	2,265,088
8	May 25, 2021 06:29	5,090	44,022,701	14,253,000	2,036,000	2,396,160
9	May 25, 2021 06:29	5,092	43,421,854	14,258,000	2,036,000	2,265,088
10	May 25, 2021 06:29	5,093	32,537,477	15,279,000	1,018,000	2,527,232
11	May 25, 2021 06:27	5,098	44,085,856	14,273,000	2,039,000	2,392,064
12	May 25, 2021 14:48	5,100	32,250,973	16,320,000	0	2,265,088
13	May 25, 2021 06:27	5,100	36,268,792	14,281,000	2,040,000	2,392,064
14	May 25, 2021 06:27	5,105	37,902,809	16,337,000	0	2,396,160
15	May 25, 2021 06:29	5,109	43,106,238	16,350,000	0	2,265,088
16	May 25, 2021 14:48	5,113	39,423,034	16,361,000	0	2,265,088
17	May 25, 2021 14:48	5,116	45,493,173	16,370,000	0	2,527,232
18	May 25, 2021 06:27	5,116	38,698,238	15,348,000	1,023,000	2,387,968
19	May 25, 2021 06:29	5,121	36,408,503	15,364,000	1,024,000	2,265,088
20	May 25, 2021 06:29	5,123	38,215,319	16,395,000	0	2,396,160
21	May 25, 2021 06:27	5,128	44,718,061	16,411,000	0	2,387,968
22	May 25, 2021 06:27	5,130	39,904,390	16,417,000	0	2,265,088
23	May 25, 2021 14:48	5,131	38,960,500	15,393,000	1,026,000	2,265,088
24	May 25, 2021 06:29	5,136	33,660,169	15,408,000	1,027,000	2,265,088
25	May 25, 2021 14:48	5,141	45,057,893	15,423,000	1,028,000	2,265,088
26	May 25, 2021 14:48	5,151	32,948,566	16,482,000	0	2,265,088
27	May 25, 2021 14:48	5,153	35,589,985	15,460,000	1,030,000	2,392,064
28	May 25, 2021 06:29	5,269	48,490,427	16,860,392	0	2,277,376
29	May 25, 2021 06:27	5,272	48,048,713	16,871,783	0	2,265,088
30	May 25, 2021 06:29	5,273	73,764,861	16,874,565	0	2,273,280
31	May 25, 2021 06:27	5,274	95,455,380	16,877,356	0	2,285,568
32	May 25, 2021 14:48	5,290	51,988,900	16,928,363	0	2,285,568
33	May 25, 2021 14:48	5,307	80,555,163	16,982,479	0	2,277,376
34	May 25, 2021 06:29	5,321	82,750,299	17,026,719	0	2,277,376
35	May 25, 2021 14:48	5,336	67,624,887	17,074,579	0	2,277,376
36	May 25, 2021 06:27	5,338	84,635,419	17,081,490	0	2,277,376

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