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 24, 2021 18:14

Yuriy Lyfenko

Score: 5,128

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 18:13	5,061	35,840,888	14,171,000	2,024,000	2,265,088
2	May 24, 2021 18:14	5,063	39,805,592	15,188,000	1,012,000	2,265,088
3	May 24, 2021 18:14	5,085	43,195,652	14,239,000	2,034,000	2,392,064
4	May 24, 2021 18:14	5,093	36,089,196	16,298,000	0	2,265,088
5	May 24, 2021 18:14	5,096	32,678,310	15,288,000	1,019,000	2,523,136
6	May 24, 2021 18:14	5,107	42,671,325	16,342,000	0	2,265,088
7	May 24, 2021 18:13	5,109	37,636,602	15,327,000	1,021,000	2,392,064
8	May 24, 2021 18:14	5,111	40,407,811	16,354,000	0	2,387,968
9	May 24, 2021 18:14	5,112	31,669,832	15,336,000	1,022,000	2,400,256
10	May 24, 2021 18:13	5,114	35,282,893	16,364,000	0	2,265,088
11	May 24, 2021 18:13	5,116	39,514,191	16,370,000	0	2,527,232
12	May 24, 2021 18:13	5,119	38,734,493	16,381,000	0	2,265,088
13	May 24, 2021 18:14	5,121	34,922,604	15,363,000	1,024,000	2,396,160
14	May 24, 2021 18:14	5,123	34,153,724	16,394,000	0	2,387,968
15	May 24, 2021 18:14	5,123	38,756,513	15,368,000	1,024,000	2,265,088
16	May 24, 2021 18:14	5,124	40,892,371	16,398,000	0	2,265,088
17	May 24, 2021 18:14	5,126	37,693,701	15,377,000	1,025,000	2,265,088
18	May 24, 2021 18:14	5,126	33,522,561	16,404,000	0	2,527,232
19	May 24, 2021 18:13	5,128	39,979,925	15,386,000	1,025,000	2,260,992
20	May 24, 2021 18:13	5,130	33,706,788	15,450,000	965,000	2,396,160
21	May 24, 2021 18:14	5,131	31,730,493	15,393,000	1,026,000	2,400,256
22	May 24, 2021 18:14	5,133	33,351,500	15,401,000	1,026,000	2,400,256
23	May 24, 2021 18:14	5,142	35,163,301	15,426,000	1,028,000	2,396,160
24	May 24, 2021 18:14	5,143	30,849,257	16,457,000	0	2,269,184
25	May 24, 2021 18:13	5,148	43,056,567	16,475,000	0	2,265,088
26	May 24, 2021 18:14	5,149	33,732,235	16,476,000	0	2,510,848
27	May 24, 2021 18:13	5,150	41,126,298	16,481,000	0	2,506,752
28	May 24, 2021 18:14	5,289	53,211,446	16,925,948	0	2,281,472
29	May 24, 2021 18:13	5,291	60,930,536	16,929,745	0	2,269,184
30	May 24, 2021 18:14	5,301	66,776,240	16,963,513	0	2,265,088
31	May 24, 2021 18:13	5,309	81,605,431	16,989,520	0	2,281,472
32	May 24, 2021 18:14	5,324	66,280,308	17,036,575	0	2,273,280
33	May 24, 2021 18:13	5,329	50,977,735	17,051,607	0	2,244,608
34	May 24, 2021 18:14	5,351	98,849,974	17,122,493	0	2,269,184
35	May 24, 2021 18:14	5,354	97,273,264	17,133,566	0	2,281,472
36	May 24, 2021 18:14	5,367	48,396,492	17,175,764	0	2,277,376

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