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 listMay 17, 2021 19:46

Yuriy Lyfenko

Score: 5,358

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 19:44	5,318	598,075,620	17,019,000	0	2,387,968
2	May 17, 2021 19:46	5,319	1,952,063,832	14,017,000	3,003,000	2,260,992
3	May 17, 2021 19:44	5,322	1,349,385,648	17,029,000	0	2,265,088
4	May 17, 2021 19:46	5,331	1,647,073,919	14,048,000	3,010,000	2,265,088
5	May 17, 2021 19:46	5,332	1,186,965,621	15,055,000	2,007,000	2,265,088
6	May 17, 2021 19:44	5,333	1,076,812,029	16,061,000	1,003,000	2,273,280
7	May 17, 2021 19:44	5,336	330,880,120	15,067,000	2,008,000	2,269,184
8	May 17, 2021 19:44	5,337	2,430,470,951	17,077,000	0	2,523,136
9	May 17, 2021 19:44	5,338	2,879,442,670	15,072,000	2,009,000	2,269,184
10	May 17, 2021 19:46	5,338	2,405,827,219	14,068,000	3,014,000	2,527,232
11	May 17, 2021 19:44	5,339	419,160,138	16,081,000	1,005,000	2,396,160
12	May 17, 2021 19:44	5,341	1,013,023,774	14,243,000	2,848,000	2,265,088
13	May 17, 2021 19:44	5,343	1,614,002,743	17,097,000	0	2,269,184
14	May 17, 2021 19:44	5,347	1,604,379,028	16,104,000	1,006,000	2,265,088
15	May 17, 2021 19:44	5,348	391,550,457	14,974,000	2,139,000	2,400,256
16	May 17, 2021 19:46	5,348	441,620,712	17,114,000	0	2,265,088
17	May 17, 2021 19:46	5,354	352,872,477	15,230,000	1,903,000	2,273,280
18	May 17, 2021 19:46	5,358	2,511,373,183	16,136,000	1,008,000	2,265,088
19	May 17, 2021 19:46	5,358	197,782,196	15,242,000	1,905,000	2,265,088
20	May 17, 2021 19:46	5,360	2,638,613,481	17,153,000	0	2,527,232
21	May 17, 2021 19:44	5,360	2,160,350,340	14,125,000	3,026,000	2,396,160
22	May 17, 2021 19:44	5,362	2,177,911,277	15,253,000	1,906,000	2,527,232
23	May 17, 2021 19:44	5,363	2,206,646,579	16,208,000	953,000	2,265,088
24	May 17, 2021 19:44	5,366	2,491,138,510	16,161,000	1,010,000	2,523,136
25	May 17, 2021 19:44	5,375	2,038,335,871	16,245,000	955,000	2,269,184
26	May 17, 2021 19:44	5,376	1,403,605,382	16,191,000	1,011,000	2,265,088
27	May 17, 2021 19:44	5,381	2,631,873,117	15,306,000	1,913,000	2,527,232
28	May 17, 2021 19:46	5,536	529,735,360	17,715,414	0	2,277,376
29	May 17, 2021 19:46	5,544	1,866,158,414	17,740,767	0	2,277,376
30	May 17, 2021 19:44	5,545	1,146,000,221	17,744,534	0	2,277,376
31	May 17, 2021 19:44	5,547	887,088,533	17,751,717	0	2,281,472
32	May 17, 2021 19:44	5,549	637,895,881	17,756,319	0	2,281,472
33	May 17, 2021 19:44	5,556	795,837,163	17,778,617	0	2,277,376
34	May 17, 2021 19:44	5,561	946,319,757	17,793,635	0	2,277,376
35	May 17, 2021 19:46	5,564	1,033,183,216	17,804,973	0	2,277,376
36	May 17, 2021 19:44	5,571	811,995,883	17,827,954	0	2,277,376

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