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 13, 2021 20:36

alex3d

Score: 4,764

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 14, 2021 20:24	4,728	37,974,553	13,112,000	2,017,000	2,445,312
2	May 13, 2021 20:40	4,733	34,382,302	14,137,000	1,009,000	2,269,184
3	May 13, 2021 20:40	4,733	32,345,801	14,136,000	1,009,000	2,269,184
4	May 13, 2021 20:40	4,735	31,138,640	14,143,000	1,010,000	2,441,216
5	May 13, 2021 20:36	4,735	36,277,312	14,142,000	1,010,000	2,269,184
6	May 13, 2021 20:40	4,737	31,328,164	14,147,000	1,010,000	2,531,328
7	May 14, 2021 20:24	4,737	35,788,170	14,149,000	1,010,000	2,527,232
8	May 13, 2021 20:40	4,738	41,907,182	14,150,000	1,010,000	2,445,312
9	May 14, 2021 20:24	4,740	46,561,831	14,156,000	1,011,000	2,449,408
10	May 14, 2021 20:24	4,740	36,127,591	14,158,000	1,011,000	2,531,328
11	May 13, 2021 20:40	4,741	35,772,561	14,160,000	1,011,000	2,441,216
12	May 13, 2021 20:36	4,743	35,425,076	14,166,000	1,011,000	2,269,184
13	May 14, 2021 20:24	4,744	32,699,667	14,169,000	1,012,000	2,531,328
14	May 13, 2021 20:36	4,745	30,608,736	13,161,000	2,024,000	2,269,184
15	May 13, 2021 20:36	4,747	36,614,678	14,179,000	1,012,000	2,269,184
16	May 13, 2021 20:36	4,748	32,395,471	14,180,000	1,012,000	2,527,232
17	May 14, 2021 20:24	4,749	32,107,828	14,185,000	1,013,000	2,437,120
18	May 13, 2021 20:36	4,761	40,665,307	12,188,000	3,047,000	2,437,120
19	May 14, 2021 20:24	4,764	26,721,853	14,230,000	1,016,000	2,531,328
20	May 13, 2021 20:40	4,772	30,635,716	15,271,000	0	2,441,216
21	May 14, 2021 20:24	4,774	35,092,416	14,260,000	1,018,000	2,531,328
22	May 13, 2021 20:40	4,777	36,068,417	13,247,000	2,038,000	2,265,088
23	May 13, 2021 20:36	4,777	30,239,442	13,248,000	2,038,000	2,445,312
24	May 13, 2021 20:36	4,781	36,838,706	14,279,000	1,019,000	2,445,312
25	May 13, 2021 20:40	4,784	27,867,918	13,268,000	2,041,000	2,527,232
26	May 13, 2021 20:36	4,790	31,310,823	14,307,000	1,021,000	2,531,328
27	May 14, 2021 20:24	4,791	34,722,601	14,310,000	1,022,000	2,265,088
28	May 13, 2021 20:36	5,017	74,560,530	16,055,755	0	2,203,648
29	May 14, 2021 20:24	5,018	91,120,556	16,057,397	0	2,199,552
30	May 14, 2021 20:24	5,023	67,469,630	16,073,394	0	2,195,456
31	May 13, 2021 20:40	5,028	88,644,287	16,089,480	0	2,199,552
32	May 13, 2021 20:40	5,035	69,890,646	16,110,704	0	2,195,456
33	May 13, 2021 20:40	5,040	74,069,865	16,126,561	0	2,211,840
34	May 13, 2021 20:36	5,043	71,327,181	16,138,958	0	2,191,360
35	May 13, 2021 20:36	5,063	75,363,252	16,201,230	0	2,203,648
36	May 14, 2021 20:24	5,069	84,824,204	16,219,804	0	2,207,744

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