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 listJun 2, 2021 18:35

Yuriy Lyfenko

Score: 5,093

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 2, 2021 18:34	4,993	540,985,210	15,976,000	0	2,408,448
2	Jun 2, 2021 18:34	4,995	541,390,087	14,986,000	999,000	2,281,472
3	Jun 2, 2021 18:34	4,996	539,380,463	13,988,000	1,998,000	2,281,472
4	Jun 2, 2021 18:34	4,998	546,023,591	13,996,000	1,999,000	2,281,472
5	Jun 2, 2021 18:34	4,998	544,015,679	14,996,000	999,000	2,273,280
6	Jun 2, 2021 18:34	5,008	540,781,868	15,025,000	1,001,000	2,273,280
7	Jun 2, 2021 18:34	5,008	538,207,463	14,021,000	2,003,000	2,273,280
8	Jun 2, 2021 18:34	5,009	542,706,372	15,027,000	1,001,000	2,281,472
9	Jun 2, 2021 18:34	5,012	542,079,112	14,034,000	2,004,000	2,281,472
10	Jun 2, 2021 18:34	5,012	539,472,850	14,033,000	2,004,000	2,273,280
11	Jun 2, 2021 18:34	5,014	538,690,890	15,044,000	1,002,000	2,281,472
12	Jun 2, 2021 18:34	5,018	537,119,044	14,052,000	2,007,000	2,273,280
13	Jun 2, 2021 18:34	5,018	539,980,064	14,052,000	2,007,000	2,408,448
14	Jun 2, 2021 18:34	5,024	537,301,701	15,074,000	1,004,000	2,273,280
15	Jun 2, 2021 18:34	5,028	536,944,360	14,078,000	2,011,000	2,281,472
16	Jun 2, 2021 18:34	5,037	537,820,772	15,112,000	1,007,000	2,281,472
17	Jun 2, 2021 18:34	5,039	544,655,873	15,117,000	1,007,000	2,281,472
18	Jun 2, 2021 18:34	5,043	540,859,898	14,121,000	2,017,000	2,273,280
19	Jun 2, 2021 18:34	5,044	546,622,516	14,123,000	2,017,000	2,281,472
20	Jun 2, 2021 18:34	5,045	546,664,928	15,136,000	1,009,000	2,281,472
21	Jun 2, 2021 18:34	5,047	539,143,831	15,142,000	1,009,000	2,273,280
22	Jun 2, 2021 18:34	5,051	538,919,453	14,142,000	2,020,000	2,273,280
23	Jun 2, 2021 18:34	5,064	542,074,499	15,192,000	1,012,000	2,273,280
24	Jun 2, 2021 18:34	5,071	544,460,660	14,198,000	2,028,000	2,273,280
25	Jun 2, 2021 18:34	5,076	541,043,751	15,227,000	1,015,000	2,273,280
26	Jun 2, 2021 18:34	5,093	541,155,522	15,281,000	1,018,000	2,273,280
27	Jun 2, 2021 18:34	5,096	541,389,585	15,288,000	1,019,000	2,273,280
28	Jun 2, 2021 18:34	5,138	570,028,181	16,440,041	0	2,289,664
29	Jun 2, 2021 18:34	5,155	580,748,370	16,494,695	0	2,252,800
30	Jun 2, 2021 18:34	5,157	597,378,172	16,503,608	0	2,289,664
31	Jun 2, 2021 18:34	5,158	586,558,977	16,505,178	0	2,293,760
32	Jun 2, 2021 18:34	5,175	580,600,934	16,561,278	0	2,252,800
33	Jun 2, 2021 18:34	5,176	579,024,395	16,563,605	0	2,256,896
34	Jun 2, 2021 18:34	5,183	581,874,214	16,584,445	0	2,289,664
35	Jun 2, 2021 18:34	5,183	580,646,037	16,586,306	0	2,252,800
36	Jun 2, 2021 18:34	5,208	583,050,086	16,665,045	0	2,256,896
37	Jun 2, 2021 18:35	5,382	547,522,258	16,208,000	1,013,000	2,400,256
38	Jun 2, 2021 18:35	5,386	542,866,309	16,222,000	1,013,000	2,273,280
39	Jun 2, 2021 18:35	5,398	538,245,870	16,257,000	1,016,000	2,408,448
40	Jun 2, 2021 18:35	5,398	540,347,023	16,256,000	1,016,000	2,281,472
41	Jun 2, 2021 18:35	5,409	540,844,591	16,291,000	1,018,000	2,281,472
42	Jun 2, 2021 18:35	5,414	543,318,654	17,324,000	0	2,273,280
43	Jun 2, 2021 18:35	5,431	545,878,177	16,356,000	1,022,000	2,273,280
44	Jun 2, 2021 18:35	5,444	539,655,081	17,420,000	0	2,273,280
45	Jun 2, 2021 18:35	5,477	545,265,151	16,496,000	1,031,000	2,273,280
46	Jun 2, 2021 18:35	5,582	579,153,511	17,863,701	0	2,256,896
47	Jun 2, 2021 18:35	5,610	573,117,195	17,952,326	0	2,252,800
48	Jun 2, 2021 18:35	5,631	578,028,231	18,017,706	0	2,252,800
49	Jun 2, 2021 18:35	13,118	604,344,946	41,979,106	0	2,289,664
50	Jun 2, 2021 18:35	13,119	591,873,510	41,981,713	0	2,293,760
51	Jun 2, 2021 18:35	13,120	595,414,341	41,985,254	0	2,252,800

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