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 28, 2021 16:21

Yuriy Lyfenko

Score: 5,223

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 28, 2021 16:21	5,142	39,049,838	15,427,000	1,028,000	2,265,088
2	May 28, 2021 16:21	5,144	38,867,162	15,432,000	1,028,000	2,400,256
3	May 28, 2021 15:34	5,151	37,786,073	15,452,000	1,030,000	2,265,088
4	May 28, 2021 15:34	5,152	38,576,439	16,486,000	0	2,392,064
5	May 28, 2021 16:21	5,155	35,811,221	16,496,000	0	2,265,088
6	May 28, 2021 15:34	5,158	34,048,789	16,505,000	0	2,387,968
7	May 28, 2021 15:34	5,162	33,835,923	15,487,000	1,032,000	2,396,160
8	May 28, 2021 15:34	5,176	36,263,942	15,529,000	1,035,000	2,396,160
9	May 28, 2021 16:21	5,177	32,485,889	16,566,000	0	2,396,160
10	May 28, 2021 16:21	5,177	37,926,103	16,566,000	0	2,506,752
11	May 28, 2021 16:21	5,179	32,937,160	16,572,000	0	2,392,064
12	May 28, 2021 15:34	5,192	44,114,295	16,615,000	0	2,265,088
13	May 28, 2021 15:34	5,195	42,610,077	16,625,000	0	2,478,080
14	May 28, 2021 16:21	5,199	47,280,289	16,636,000	0	2,506,752
15	May 28, 2021 15:34	5,200	47,146,308	15,600,000	1,040,000	2,387,968
16	May 28, 2021 16:21	5,201	46,184,194	16,644,000	0	2,506,752
17	May 28, 2021 16:21	5,203	44,405,711	16,648,000	0	2,510,848
18	May 28, 2021 15:34	5,205	42,254,179	15,616,000	1,041,000	2,400,256
19	May 28, 2021 16:21	5,223	42,644,235	15,668,000	1,044,000	2,265,088
20	May 28, 2021 16:21	5,231	40,680,713	15,694,000	1,046,000	2,265,088
21	May 28, 2021 16:21	5,231	33,748,691	16,740,000	0	2,396,160
22	May 28, 2021 16:21	5,272	32,720,759	14,885,000	1,984,000	2,265,088
23	May 28, 2021 16:21	5,272	41,309,426	14,887,000	1,984,000	2,387,968
24	May 28, 2021 16:21	5,273	37,819,539	15,883,000	992,000	2,265,088
25	May 28, 2021 16:21	5,274	36,983,293	14,892,000	1,985,000	2,269,184
26	May 28, 2021 16:21	5,276	33,819,992	14,898,000	1,986,000	2,265,088
27	May 28, 2021 16:21	5,280	35,154,351	15,903,000	993,000	2,265,088
28	May 28, 2021 15:34	5,350	48,216,283	17,120,576	0	2,277,376
29	May 28, 2021 16:21	5,351	41,297,898	17,123,348	0	2,273,280
30	May 28, 2021 15:34	5,353	75,701,568	17,128,762	0	2,277,376
31	May 28, 2021 16:21	5,396	58,056,532	17,266,021	0	2,277,376
32	May 28, 2021 16:21	5,403	85,074,273	17,289,441	0	2,285,568
33	May 28, 2021 15:34	5,425	68,096,388	17,358,468	0	2,273,280
34	May 28, 2021 16:21	5,433	49,170,900	17,386,982	0	2,277,376
35	May 28, 2021 16:21	5,474	66,522,184	17,517,394	0	2,269,184
36	May 28, 2021 16:21	5,476	83,515,939	17,522,825	0	2,281,472

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