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 12:23

Sergey Stremin

Score: 5,456

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 12:23	5,416	39,608,792	16,313,000	1,019,000	2,277,376
2	May 17, 2021 12:23	5,421	42,136,623	17,346,000	0	2,277,376
3	May 17, 2021 12:22	5,424	45,168,429	17,356,000	0	2,277,376
4	May 17, 2021 12:23	5,426	38,677,895	15,320,000	2,042,000	2,281,472
5	May 17, 2021 12:22	5,426	42,676,003	16,343,000	1,021,000	2,478,080
6	May 17, 2021 12:23	5,433	35,626,862	16,364,000	1,022,000	2,375,680
7	May 17, 2021 12:23	5,437	49,025,752	15,351,000	2,046,000	2,375,680
8	May 17, 2021 12:23	5,441	40,093,423	17,410,000	0	2,277,376
9	May 17, 2021 12:23	5,441	49,170,718	16,386,000	1,024,000	2,281,472
10	May 17, 2021 12:23	5,442	45,971,881	17,415,000	0	2,367,488
11	May 17, 2021 12:23	5,442	39,902,696	16,389,000	1,024,000	2,277,376
12	May 17, 2021 12:23	5,442	36,994,950	17,413,000	0	2,277,376
13	May 17, 2021 12:23	5,442	39,931,044	16,391,000	1,024,000	2,359,296
14	May 17, 2021 12:23	5,443	38,940,056	16,394,000	1,024,000	2,482,176
15	May 17, 2021 12:23	5,445	34,676,065	16,400,000	1,025,000	2,277,376
16	May 17, 2021 12:22	5,447	41,507,249	16,405,000	1,025,000	2,277,376
17	May 17, 2021 12:22	5,448	37,711,946	16,407,000	1,025,000	2,367,488
18	May 17, 2021 12:23	5,448	34,558,628	16,410,000	1,025,000	2,375,680
19	May 17, 2021 12:23	5,449	39,416,662	17,437,000	0	2,379,776
20	May 17, 2021 12:22	5,450	43,980,446	15,389,000	2,051,000	2,277,376
21	May 17, 2021 12:23	5,452	44,140,682	16,420,000	1,026,000	2,375,680
22	May 17, 2021 12:23	5,455	43,185,589	16,429,000	1,026,000	2,277,376
23	May 17, 2021 12:23	5,455	32,435,566	16,430,000	1,026,000	2,277,376
24	May 17, 2021 12:23	5,455	38,742,383	15,404,000	2,053,000	2,379,776
25	May 17, 2021 12:23	5,456	38,143,580	17,460,000	0	2,379,776
26	May 17, 2021 12:23	5,458	34,359,906	16,437,000	1,027,000	2,379,776
27	May 17, 2021 12:23	5,459	46,391,515	17,470,000	0	2,277,376
28	May 17, 2021 12:23	5,459	40,361,578	16,441,000	1,027,000	2,367,488
29	May 17, 2021 12:23	5,460	34,187,360	16,446,000	1,027,000	2,281,472
30	May 17, 2021 12:23	5,462	38,714,492	15,421,000	2,056,000	2,379,776
31	May 17, 2021 12:22	5,463	37,336,733	16,453,000	1,028,000	2,363,392
32	May 17, 2021 12:22	5,464	39,790,086	15,429,000	2,057,000	2,277,376
33	May 17, 2021 12:23	5,471	35,591,789	16,477,000	1,029,000	2,371,584
34	May 17, 2021 12:22	5,479	34,640,037	15,470,000	2,062,000	2,367,488
35	May 17, 2021 12:22	5,480	45,129,077	16,506,000	1,031,000	2,363,392
36	May 17, 2021 12:23	5,484	34,833,322	16,574,000	974,000	2,277,376
37	May 17, 2021 12:23	5,666	55,463,558	18,132,359	0	2,232,320
38	May 17, 2021 12:23	5,673	76,334,692	18,153,631	0	2,236,416
39	May 17, 2021 12:23	5,680	54,711,717	18,177,290	0	2,240,512
40	May 17, 2021 12:23	5,695	88,940,427	18,224,923	0	2,236,416
41	May 17, 2021 12:23	5,701	84,913,714	18,242,474	0	2,240,512
42	May 17, 2021 12:23	5,711	62,998,715	18,275,313	0	2,236,416
43	May 17, 2021 12:23	5,713	86,571,118	18,282,341	0	2,236,416
44	May 17, 2021 12:23	5,720	59,470,433	18,304,485	0	2,244,608
45	May 17, 2021 12:23	5,726	81,324,313	18,322,967	0	2,248,704
46	May 17, 2021 12:22	5,745	70,146,386	18,382,589	0	2,240,512
47	May 17, 2021 12:22	5,763	123,623,759	18,440,690	0	2,248,704
48	May 17, 2021 12:22	5,799	91,293,918	18,556,727	0	2,232,320

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