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 19:23

Yuriy Lyfenko

Score: 5,114

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 19:22	5,050	45,698,803	14,140,000	2,020,000	2,383,872
2	May 24, 2021 19:23	5,050	37,555,658	15,151,000	1,010,000	2,383,872
3	May 24, 2021 19:23	5,055	40,273,620	14,155,000	2,022,000	2,265,088
4	May 24, 2021 19:22	5,066	40,402,634	14,184,000	2,026,000	2,379,776
5	May 24, 2021 19:23	5,068	49,451,641	14,190,000	2,027,000	2,265,088
6	May 24, 2021 19:22	5,075	40,138,617	15,225,000	1,015,000	2,392,064
7	May 24, 2021 19:23	5,080	39,295,039	16,255,000	0	2,265,088
8	May 24, 2021 19:23	5,082	47,690,800	15,246,000	1,016,000	2,502,656
9	May 24, 2021 19:22	5,085	31,835,191	15,256,000	1,017,000	2,379,776
10	May 24, 2021 19:23	5,085	34,320,943	15,256,000	1,017,000	2,265,088
11	May 24, 2021 19:23	5,092	46,320,919	15,275,000	1,018,000	2,265,088
12	May 24, 2021 19:23	5,092	38,150,962	15,276,000	1,018,000	2,383,872
13	May 24, 2021 19:22	5,092	34,119,195	16,293,000	0	2,265,088
14	May 24, 2021 19:22	5,092	38,229,242	15,276,000	1,018,000	2,392,064
15	May 24, 2021 19:23	5,098	33,208,075	14,274,000	2,039,000	2,265,088
16	May 24, 2021 19:23	5,098	37,185,843	16,315,000	0	2,502,656
17	May 24, 2021 19:23	5,100	36,722,951	14,281,000	2,040,000	2,392,064
18	May 24, 2021 19:23	5,111	33,661,792	15,334,000	1,022,000	2,265,088
19	May 24, 2021 19:23	5,114	40,224,800	15,342,000	1,022,000	2,392,064
20	May 24, 2021 19:22	5,115	47,733,603	15,345,000	1,023,000	2,265,088
21	May 24, 2021 19:23	5,119	33,838,123	16,380,000	0	2,265,088
22	May 24, 2021 19:23	5,121	40,744,352	16,386,000	0	2,265,088
23	May 24, 2021 19:23	5,123	36,173,019	16,395,000	0	2,527,232
24	May 24, 2021 19:22	5,126	30,353,559	16,403,000	0	2,265,088
25	May 24, 2021 19:23	5,133	36,189,940	15,398,000	1,026,000	2,265,088
26	May 24, 2021 19:23	5,140	41,005,272	15,421,000	1,028,000	2,265,088
27	May 24, 2021 19:22	5,147	33,833,630	15,442,000	1,029,000	2,465,792
28	May 24, 2021 19:23	5,267	44,667,300	16,853,881	0	2,269,184
29	May 24, 2021 19:22	5,269	75,985,524	16,859,330	0	2,273,280
30	May 24, 2021 19:22	5,270	71,798,093	16,865,333	0	2,277,376
31	May 24, 2021 19:23	5,283	81,991,794	16,906,037	0	2,273,280
32	May 24, 2021 19:23	5,297	49,162,326	16,950,508	0	2,269,184
33	May 24, 2021 19:23	5,319	46,689,542	17,021,480	0	2,273,280
34	May 24, 2021 19:23	5,322	44,479,497	17,030,756	0	2,277,376
35	May 24, 2021 19:23	5,331	78,522,070	17,060,202	0	2,277,376
36	May 24, 2021 19:22	5,334	44,752,957	17,070,360	0	2,273,280

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