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 listJul 8, 2021 00:11

Yuriy Lyfenko

Score: 5,063

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 7, 2021 18:59	4,980	538,936,275	13,945,000	1,992,000	2,281,472
2	Jul 7, 2021 18:59	4,990	536,754,234	13,973,000	1,996,000	2,281,472
3	Jul 7, 2021 18:59	4,993	540,222,256	13,980,000	1,997,000	2,404,352
4	Jul 7, 2021 18:59	4,996	538,705,242	14,987,000	999,000	2,273,280
5	Jul 7, 2021 18:59	5,013	537,820,211	14,037,000	2,005,000	2,273,280
6	Jul 7, 2021 18:59	5,014	540,157,915	15,044,000	1,002,000	2,273,280
7	Jul 7, 2021 18:59	5,029	544,935,719	15,089,000	1,005,000	2,281,472
8	Jul 7, 2021 18:59	5,029	538,754,582	14,081,000	2,011,000	2,281,472
9	Jul 7, 2021 18:59	5,034	540,980,920	15,102,000	1,006,000	2,404,352
10	Jul 7, 2021 18:59	5,045	543,564,408	14,126,000	2,018,000	2,400,256
11	Jul 8, 2021 00:11	5,046	537,839,039	15,138,000	1,009,000	2,273,280
12	Jul 8, 2021 00:11	5,046	539,507,023	14,130,000	2,018,000	2,273,280
13	Jul 7, 2021 18:59	5,046	541,018,651	14,129,000	2,018,000	2,273,280
14	Jul 7, 2021 18:59	5,048	540,066,324	14,135,000	2,019,000	2,281,472
15	Jul 7, 2021 18:59	5,049	535,424,511	15,149,000	1,009,000	2,273,280
16	Jul 7, 2021 18:59	5,055	537,263,157	14,155,000	2,022,000	2,408,448
17	Jul 8, 2021 00:11	5,056	540,319,668	16,180,000	0	2,400,256
18	Jul 8, 2021 00:11	5,058	538,030,766	15,176,000	1,011,000	2,273,280
19	Jul 7, 2021 18:59	5,063	543,506,211	16,202,000	0	2,273,280
20	Jul 8, 2021 00:11	5,065	538,872,623	15,195,000	1,013,000	2,273,280
21	Jul 8, 2021 00:11	5,066	534,889,730	15,199,000	1,013,000	2,273,280
22	Jul 8, 2021 00:11	5,071	540,995,167	15,213,000	1,014,000	2,273,280
23	Jul 7, 2021 18:59	5,084	542,881,427	15,254,000	1,016,000	2,273,280
24	Jul 8, 2021 00:11	5,087	542,254,233	16,277,000	0	2,273,280
25	Jul 7, 2021 18:59	5,087	543,031,892	16,278,000	0	2,281,472
26	Jul 7, 2021 18:59	5,090	540,250,965	16,289,000	0	2,273,280
27	Jul 8, 2021 00:11	5,104	538,694,555	15,312,000	1,020,000	2,506,752
28	Jul 7, 2021 18:59	5,159	581,283,729	16,509,762	0	2,285,568
29	Jul 7, 2021 18:59	5,163	573,073,393	16,521,388	0	2,256,896
30	Jul 7, 2021 18:59	5,186	573,951,139	16,594,508	0	2,252,800
31	Jul 7, 2021 18:59	5,190	576,176,578	16,607,449	0	2,256,896
32	Jul 8, 2021 00:11	5,197	566,815,750	16,629,531	0	2,289,664
33	Jul 8, 2021 00:11	5,199	584,735,936	16,636,943	0	2,297,856
34	Jul 7, 2021 18:59	5,200	572,765,589	16,639,301	0	2,297,856
35	Jul 7, 2021 18:59	5,233	586,143,945	16,746,099	0	2,289,664
36	Jul 8, 2021 00:11	5,237	584,138,900	16,759,530	0	2,281,472

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