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 listAug 14, 2022 19:49

Franek Korta

Score: 5,558

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 20, 2022 23:16	5,302	40,162,437	15,969,000	998,000	2,527,232
2	Aug 14, 2022 19:49	5,306	37,978,130	15,981,000	998,000	2,531,328
3	Aug 20, 2022 23:16	5,313	33,688,397	16,003,000	1,000,000	2,531,328
4	Aug 20, 2022 23:16	5,315	32,870,008	16,008,000	1,000,000	2,441,216
5	Aug 14, 2022 19:49	5,315	40,723,136	15,007,000	2,001,000	2,531,328
6	Aug 20, 2022 23:16	5,316	32,267,875	15,011,000	2,001,000	2,445,312
7	Aug 14, 2022 19:49	5,320	44,130,005	15,021,000	2,002,000	2,445,312
8	Aug 14, 2022 19:49	5,320	33,949,743	15,022,000	2,003,000	2,531,328
9	Aug 14, 2022 19:49	5,327	32,092,133	15,040,000	2,005,000	2,531,328
10	Aug 14, 2022 19:49	5,334	34,520,685	15,062,000	2,008,000	2,269,184
11	Aug 20, 2022 23:16	5,335	45,080,060	16,067,000	1,004,000	2,527,232
12	Aug 14, 2022 19:49	5,336	45,322,923	16,070,000	1,004,000	2,269,184
13	Aug 20, 2022 23:16	5,336	41,872,418	16,071,000	1,004,000	2,269,184
14	Aug 20, 2022 23:16	5,340	34,289,808	16,084,000	1,005,000	2,269,184
15	Aug 14, 2022 19:49	5,347	33,356,228	15,098,000	2,013,000	2,531,328
16	Aug 20, 2022 23:16	5,356	44,203,084	16,131,000	1,008,000	2,265,088
17	Aug 14, 2022 19:49	5,358	44,467,179	16,139,000	1,008,000	2,531,328
18	Aug 20, 2022 23:16	5,372	43,334,767	16,178,000	1,011,000	2,531,328
19	Aug 14, 2022 19:49	5,558	80,458,467	17,785,007	0	2,207,744
20	Aug 20, 2022 23:16	5,560	83,391,890	17,790,768	0	2,203,648
21	Aug 14, 2022 19:49	5,562	90,068,585	17,796,925	0	2,203,648
22	Aug 14, 2022 19:49	5,565	61,007,821	17,808,207	0	2,199,552
23	Aug 14, 2022 19:49	5,570	83,370,723	17,822,898	0	2,203,648
24	Aug 20, 2022 23:16	5,579	74,079,307	17,853,317	0	2,191,360
25	Aug 14, 2022 19:49	5,588	89,803,780	17,881,808	0	2,199,552
26	Aug 14, 2022 19:49	5,598	91,411,159	17,912,367	0	2,203,648
27	Aug 20, 2022 23:16	5,601	75,328,073	17,924,733	0	2,207,744
28	Aug 14, 2022 19:49	5,629	41,258,909	17,013,000	1,000,000	2,449,408
29	Aug 14, 2022 19:49	5,635	33,418,103	17,032,000	1,001,000	2,531,328
30	Aug 14, 2022 19:49	5,637	40,828,774	17,037,000	1,002,000	2,445,312
31	Aug 14, 2022 19:49	5,640	41,626,563	17,047,000	1,002,000	2,531,328
32	Aug 14, 2022 19:49	5,652	31,419,866	17,081,000	1,004,000	2,531,328
33	Aug 14, 2022 19:49	5,664	39,335,856	16,111,000	2,013,000	2,269,184
34	Aug 14, 2022 19:49	5,671	42,840,495	16,130,000	2,016,000	2,449,408
35	Aug 14, 2022 19:49	5,676	39,881,967	17,154,000	1,009,000	2,445,312
36	Aug 14, 2022 19:49	5,684	38,040,682	17,180,000	1,010,000	2,527,232

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