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 listDec 6, 2023 13:29

Viktor Iarmola

Score: 5,513

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 6, 2023 13:35	5,439	38,803,214	16,382,000	1,023,000	2,404,352
2	Dec 6, 2023 13:04	5,441	38,922,626	17,410,000	0	2,400,256
3	Dec 6, 2023 13:35	5,441	44,225,557	16,387,000	1,024,000	2,281,472
4	Dec 6, 2023 13:04	5,446	35,299,529	17,427,000	0	2,281,472
5	Dec 6, 2023 13:29	5,454	41,814,912	16,428,000	1,026,000	2,281,472
6	Dec 6, 2023 13:35	5,454	39,711,827	17,453,000	0	2,281,472
7	Dec 6, 2023 13:04	5,455	43,352,579	17,456,000	0	2,281,472
8	Dec 6, 2023 13:29	5,456	39,695,024	16,432,000	1,027,000	2,281,472
9	Dec 6, 2023 13:04	5,461	41,706,168	16,447,000	1,027,000	2,519,040
10	Dec 6, 2023 13:35	5,468	39,478,146	16,469,000	1,029,000	2,392,064
11	Dec 6, 2023 13:35	5,469	39,554,968	16,472,000	1,029,000	2,404,352
12	Dec 6, 2023 13:29	5,470	44,960,297	16,474,000	1,029,000	2,408,448
13	Dec 6, 2023 13:29	5,484	39,723,266	16,517,000	1,032,000	2,281,472
14	Dec 6, 2023 13:04	5,490	35,002,367	16,535,000	1,033,000	2,281,472
15	Dec 6, 2023 13:35	5,495	40,511,744	17,585,000	0	2,400,256
16	Dec 6, 2023 13:29	5,500	38,827,541	16,565,000	1,035,000	2,408,448
17	Dec 6, 2023 13:35	5,503	37,335,143	16,574,000	1,035,000	2,400,256
18	Dec 6, 2023 13:04	5,505	34,330,862	17,615,000	0	2,281,472
19	Dec 6, 2023 13:35	5,513	38,637,589	17,641,000	0	2,281,472
20	Dec 6, 2023 13:35	5,515	34,802,799	16,609,000	1,038,000	2,396,160
21	Dec 6, 2023 13:29	5,517	44,853,263	16,615,000	1,038,000	2,281,472
22	Dec 6, 2023 13:29	5,517	42,677,657	16,616,000	1,038,000	2,408,448
23	Dec 6, 2023 13:04	5,518	38,096,554	17,659,000	0	2,392,064
24	Dec 6, 2023 13:29	5,522	46,565,638	17,669,000	0	2,281,472
25	Dec 6, 2023 13:29	5,525	45,903,798	16,640,000	1,040,000	2,281,472
26	Dec 6, 2023 13:04	5,536	36,644,616	16,672,000	1,042,000	2,400,256
27	Dec 6, 2023 13:04	5,538	44,807,769	16,680,000	1,042,000	2,396,160
28	Dec 6, 2023 13:35	5,634	81,671,169	18,027,500	0	2,281,472
29	Dec 6, 2023 13:04	5,636	58,435,665	18,033,926	0	2,297,856
30	Dec 6, 2023 13:29	5,649	83,329,486	18,076,136	0	2,289,664
31	Dec 6, 2023 13:35	5,650	84,012,943	18,081,250	0	2,285,568
32	Dec 6, 2023 13:29	5,690	85,144,173	18,207,860	0	2,289,664
33	Dec 6, 2023 13:04	5,692	77,669,219	18,213,535	0	2,252,800
34	Dec 6, 2023 13:29	5,703	86,816,339	18,248,478	0	2,285,568
35	Dec 6, 2023 13:35	5,718	95,881,133	18,297,009	0	2,297,856
36	Dec 6, 2023 13:04	5,766	87,246,369	18,452,680	0	2,285,568

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