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 13, 2021 19:15

Yuriy Lyfenko

Score: 5,689

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	Jul 13, 2021 19:15	5,648	1,042,572,890	16,067,000	2,008,000	2,330,624
2	Jul 13, 2021 19:15	5,650	1,047,705,589	15,067,000	3,013,000	2,330,624
3	Jul 13, 2021 19:16	5,657	1,040,932,233	15,085,000	3,017,000	2,531,328
4	Jul 13, 2021 19:16	5,657	1,040,884,212	16,092,000	2,011,000	2,334,720
5	Jul 13, 2021 19:16	5,659	1,042,614,167	15,090,000	3,018,000	2,334,720
6	Jul 13, 2021 19:16	5,660	1,044,577,251	16,099,000	2,012,000	2,330,624
7	Jul 13, 2021 19:15	5,660	1,046,747,998	16,100,000	2,012,000	2,514,944
8	Jul 13, 2021 19:16	5,660	1,039,199,593	14,916,000	3,196,000	2,330,624
9	Jul 13, 2021 19:16	5,662	1,042,978,621	16,105,000	2,013,000	2,330,624
10	Jul 13, 2021 19:15	5,663	1,039,812,171	16,110,000	2,013,000	2,330,624
11	Jul 13, 2021 19:16	5,663	1,036,101,729	14,094,000	4,027,000	2,330,624
12	Jul 13, 2021 19:06	5,664	1,048,680,079	16,111,000	2,013,000	2,330,624
13	Jul 13, 2021 19:16	5,665	1,045,909,742	16,114,000	2,014,000	2,330,624
14	Jul 13, 2021 19:15	5,666	1,044,821,375	16,117,000	2,014,000	2,330,624
15	Jul 13, 2021 19:15	5,668	1,042,958,922	15,115,000	3,023,000	2,334,720
16	Jul 13, 2021 19:06	5,669	1,043,728,662	15,119,000	3,023,000	2,334,720
17	Jul 13, 2021 19:15	5,669	1,042,937,602	15,117,000	3,023,000	2,330,624
18	Jul 13, 2021 19:15	5,670	1,043,155,975	15,120,000	3,024,000	2,330,624
19	Jul 13, 2021 19:15	5,671	1,040,427,216	15,124,000	3,024,000	2,330,624
20	Jul 13, 2021 19:06	5,671	1,041,202,313	15,123,000	3,024,000	2,330,624
21	Jul 13, 2021 19:06	5,674	1,037,402,253	16,140,000	2,017,000	2,334,720
22	Jul 13, 2021 19:15	5,678	1,049,203,168	16,152,000	2,019,000	2,334,720
23	Jul 13, 2021 19:16	5,682	1,039,246,228	16,162,000	2,020,000	2,330,624
24	Jul 13, 2021 19:06	5,683	1,045,123,040	16,167,000	2,020,000	2,330,624
25	Jul 13, 2021 19:15	5,685	1,042,949,420	16,171,000	2,021,000	2,334,720
26	Jul 13, 2021 19:06	5,685	1,043,261,159	16,170,000	2,021,000	2,334,720
27	Jul 13, 2021 19:06	5,685	1,044,307,000	16,172,000	2,021,000	2,330,624
28	Jul 13, 2021 19:16	5,686	1,040,836,379	14,153,000	4,043,000	2,330,624
29	Jul 13, 2021 19:06	5,687	1,039,420,048	16,176,000	2,022,000	2,330,624
30	Jul 13, 2021 19:15	5,688	1,040,785,230	17,192,000	1,011,000	2,330,624
31	Jul 13, 2021 19:15	5,689	1,040,213,906	15,170,000	3,034,000	2,527,232
32	Jul 13, 2021 19:16	5,691	1,045,153,240	15,175,000	3,035,000	2,334,720
33	Jul 13, 2021 19:15	5,692	1,076,168,083	18,215,716	0	2,256,896
34	Jul 13, 2021 19:16	5,694	1,039,879,018	15,184,000	3,036,000	2,330,624
35	Jul 13, 2021 19:15	5,696	1,045,349,609	16,202,000	2,025,000	2,330,624
36	Jul 13, 2021 19:15	5,699	1,042,850,541	16,212,000	2,026,000	2,519,040
37	Jul 13, 2021 19:15	5,701	1,039,683,083	16,216,000	2,027,000	2,342,912
38	Jul 13, 2021 19:16	5,703	1,037,658,738	16,222,000	2,027,000	2,519,040
39	Jul 13, 2021 19:15	5,703	1,078,355,814	18,248,571	0	2,256,896
40	Jul 13, 2021 19:16	5,706	1,043,327,070	15,215,000	3,043,000	2,334,720
41	Jul 13, 2021 19:16	5,706	1,089,413,863	18,260,266	0	2,232,320
42	Jul 13, 2021 19:16	5,707	1,042,977,333	16,234,000	2,029,000	2,330,624
43	Jul 13, 2021 19:16	5,712	1,069,072,827	18,278,744	0	2,224,128
44	Jul 13, 2021 19:16	5,713	1,072,640,695	18,282,938	0	2,224,128
45	Jul 13, 2021 19:15	5,714	1,044,122,343	15,237,000	3,047,000	2,334,720
46	Jul 13, 2021 19:15	5,718	1,076,132,616	18,298,408	0	2,236,416
47	Jul 13, 2021 19:15	5,720	1,094,674,053	18,303,533	0	2,228,224
48	Jul 13, 2021 19:06	5,720	1,072,231,817	18,303,418	0	2,220,032
49	Jul 13, 2021 19:16	5,724	1,085,803,611	18,315,339	0	2,224,128
50	Jul 13, 2021 19:06	5,729	1,039,135,722	16,296,000	2,037,000	2,330,624
51	Jul 13, 2021 19:16	5,730	1,041,290,619	16,300,000	2,037,000	2,330,624
52	Jul 13, 2021 19:16	5,732	1,046,266,632	16,304,000	2,038,000	2,334,720
53	Jul 13, 2021 19:06	5,733	1,070,665,556	18,344,434	0	2,232,320
54	Jul 13, 2021 19:16	5,734	1,042,237,428	15,291,000	3,058,000	2,342,912
55	Jul 13, 2021 19:15	5,737	1,069,285,794	18,358,242	0	2,256,896
56	Jul 13, 2021 19:15	5,746	1,070,602,397	18,386,605	0	2,252,800
57	Jul 13, 2021 19:06	5,749	1,076,674,731	18,396,957	0	2,252,800
58	Jul 13, 2021 19:15	5,751	1,042,013,788	15,335,000	3,067,000	2,334,720
59	Jul 13, 2021 19:16	5,755	1,076,856,082	18,417,030	0	2,220,032
60	Jul 13, 2021 19:16	5,764	1,082,457,002	18,444,395	0	2,256,896

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