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 23, 2021 19:53

Yuriy Lyfenko

Score: 5,099

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 23, 2021 19:53	5,046	32,625,358	15,139,000	1,009,000	2,392,064
2	May 23, 2021 18:07	5,052	39,713,149	14,145,000	2,020,000	2,527,232
3	May 23, 2021 20:06	5,054	35,631,065	15,163,000	1,010,000	2,387,968
4	May 23, 2021 20:06	5,054	45,202,408	14,152,000	2,021,000	2,265,088
5	May 23, 2021 18:07	5,056	32,306,073	14,158,000	2,022,000	2,265,088
6	May 23, 2021 19:53	5,073	33,356,794	14,204,000	2,029,000	2,265,088
7	May 23, 2021 20:06	5,081	41,551,047	14,226,000	2,032,000	2,265,088
8	May 23, 2021 18:07	5,086	31,138,834	15,258,000	1,017,000	2,265,088
9	May 23, 2021 18:07	5,086	44,560,968	14,240,000	2,034,000	2,265,088
10	May 23, 2021 20:06	5,086	40,219,542	14,240,000	2,034,000	2,392,064
11	May 23, 2021 20:06	5,087	34,998,343	15,260,000	1,017,000	2,265,088
12	May 23, 2021 19:53	5,088	47,154,887	14,247,000	2,035,000	2,265,088
13	May 23, 2021 18:07	5,089	39,041,118	16,286,000	0	2,265,088
14	May 23, 2021 18:07	5,090	38,995,385	15,271,000	1,018,000	2,396,160
15	May 23, 2021 18:07	5,093	33,721,916	16,299,000	0	2,265,088
16	May 23, 2021 19:53	5,096	34,277,868	15,289,000	1,019,000	2,506,752
17	May 23, 2021 19:53	5,096	36,916,925	15,288,000	1,019,000	2,396,160
18	May 23, 2021 20:06	5,098	35,951,240	14,273,000	2,039,000	2,265,088
19	May 23, 2021 19:53	5,099	33,651,771	15,298,000	1,019,000	2,396,160
20	May 23, 2021 20:06	5,104	37,271,969	15,312,000	1,020,000	2,265,088
21	May 23, 2021 20:06	5,108	32,925,770	15,323,000	1,021,000	2,527,232
22	May 23, 2021 19:53	5,119	41,688,706	15,357,000	1,023,000	2,265,088
23	May 23, 2021 18:07	5,120	32,619,744	15,361,000	1,024,000	2,265,088
24	May 23, 2021 20:06	5,124	37,295,627	15,373,000	1,024,000	2,265,088
25	May 23, 2021 19:53	5,131	50,527,824	16,418,000	0	2,265,088
26	May 23, 2021 18:07	5,132	39,434,528	15,395,000	1,026,000	2,392,064
27	May 23, 2021 19:53	5,134	33,636,933	15,402,000	1,026,000	2,383,872
28	May 23, 2021 19:53	5,262	78,626,942	16,839,827	0	2,277,376
29	May 23, 2021 19:53	5,304	80,955,898	16,972,955	0	2,273,280
30	May 23, 2021 18:07	5,308	95,578,109	16,984,676	0	2,273,280
31	May 23, 2021 18:07	5,326	71,210,599	17,042,882	0	2,277,376
32	May 23, 2021 19:53	5,334	96,604,610	17,068,416	0	2,273,280
33	May 23, 2021 20:06	5,336	97,104,664	17,076,707	0	2,277,376
34	May 23, 2021 18:07	5,349	92,562,001	17,115,947	0	2,285,568
35	May 23, 2021 20:06	5,370	83,462,672	17,182,987	0	2,281,472
36	May 23, 2021 20:06	5,386	71,961,880	17,236,286	0	2,277,376

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