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 listJun 17, 2021 16:48

Yuriy Lyfenko

Score: 5,029

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 4, 2021 13:43	4,987	87,794,529	13,963,000	1,994,000	2,281,472
2	Jun 17, 2021 16:48	4,988	89,611,423	13,967,000	1,995,000	2,400,256
3	Jun 6, 2021 22:21	4,988	91,924,131	14,966,000	997,000	2,281,472
4	Jun 6, 2021 22:21	4,991	97,278,847	13,974,000	1,996,000	2,281,472
5	Jun 4, 2021 13:43	4,992	87,664,346	13,978,000	1,996,000	2,281,472
6	Jun 4, 2021 13:43	4,998	86,396,051	14,995,000	999,000	2,281,472
7	Jun 17, 2021 16:48	4,998	88,980,422	14,994,000	999,000	2,281,472
8	Jun 6, 2021 22:21	4,999	88,075,308	14,998,000	999,000	2,519,040
9	Jun 17, 2021 16:48	4,999	93,417,162	13,997,000	1,999,000	2,281,472
10	Jun 6, 2021 22:21	5,001	89,920,263	14,003,000	2,000,000	2,281,472
11	Jun 4, 2021 13:43	5,002	95,507,584	14,006,000	2,000,000	2,281,472
12	Jun 6, 2021 22:21	5,004	92,428,831	14,013,000	2,001,000	2,281,472
13	Jun 17, 2021 16:48	5,005	93,477,784	15,015,000	1,001,000	2,281,472
14	Jun 6, 2021 22:21	5,007	86,699,466	14,020,000	2,002,000	2,281,472
15	Jun 17, 2021 16:48	5,027	95,710,835	15,081,000	1,005,000	2,281,472
16	Jun 4, 2021 13:43	5,027	92,893,599	14,075,000	2,010,000	2,408,448
17	Jun 17, 2021 16:48	5,029	87,208,926	14,082,000	2,011,000	2,404,352
18	Jun 4, 2021 13:43	5,029	89,713,491	14,082,000	2,011,000	2,281,472
19	Jun 4, 2021 13:43	5,029	91,687,748	15,089,000	1,005,000	2,273,280
20	Jun 6, 2021 22:21	5,031	92,892,962	15,092,000	1,006,000	2,281,472
21	Jun 17, 2021 16:48	5,034	93,098,091	15,103,000	1,006,000	2,281,472
22	Jun 4, 2021 13:43	5,039	92,141,198	14,109,000	2,015,000	2,273,280
23	Jun 6, 2021 22:21	5,043	88,066,620	14,119,000	2,017,000	2,482,176
24	Jun 4, 2021 13:43	5,054	90,518,213	14,153,000	2,021,000	2,281,472
25	Jun 17, 2021 16:48	5,057	98,041,561	15,230,000	951,000	2,281,472
26	Jun 6, 2021 22:21	5,063	94,396,488	14,178,000	2,025,000	2,416,640
27	Jun 17, 2021 16:48	5,087	89,252,424	15,260,000	1,017,000	2,281,472
28	Jun 6, 2021 22:21	5,142	115,601,671	16,453,404	0	2,289,664
29	Jun 17, 2021 16:48	5,147	132,763,128	16,470,538	0	2,289,664
30	Jun 6, 2021 22:21	5,161	133,051,822	16,515,216	0	2,293,760
31	Jun 4, 2021 13:43	5,161	129,066,396	16,515,730	0	2,252,800
32	Jun 17, 2021 16:48	5,163	121,363,882	16,522,521	0	2,269,184
33	Jun 4, 2021 13:43	5,172	126,767,234	16,551,216	0	2,256,896
34	Jun 4, 2021 13:43	5,176	127,447,049	16,563,945	0	2,297,856
35	Jun 17, 2021 16:48	5,186	119,822,752	16,595,953	0	2,252,800
36	Jun 6, 2021 22:21	5,192	128,133,978	16,615,383	0	2,285,568

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