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 27, 2021 18:13

Yurkov AlekseyScore: 5,534Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 27, 2021 18:13	5,483	39,881,938	17,547,000	0	2,289,664
2	May 27, 2021 18:13	5,490	42,691,924	17,567,000	0	2,289,664
3	May 27, 2021 18:14	5,491	34,494,037	16,539,000	1,033,000	2,289,664
4	May 27, 2021 18:13	5,493	42,227,390	17,577,000	0	2,289,664
5	May 27, 2021 18:13	5,496	40,313,876	17,587,000	0	2,273,280
6	May 27, 2021 18:14	5,498	37,214,439	16,559,000	1,034,000	2,289,664
7	May 27, 2021 18:14	5,503	48,139,115	17,611,000	0	2,289,664
8	May 27, 2021 18:14	5,503	45,383,869	17,611,000	0	2,273,280
9	May 27, 2021 18:13	5,508	46,747,529	16,589,000	1,036,000	2,269,184
10	May 27, 2021 18:13	5,517	35,517,361	16,616,000	1,038,000	2,527,232
11	May 27, 2021 18:13	5,517	42,789,864	16,616,000	1,038,000	2,527,232
12	May 27, 2021 18:13	5,519	43,297,845	16,623,000	1,038,000	2,273,280
13	May 27, 2021 18:14	5,519	36,611,887	16,622,000	1,038,000	2,289,664
14	May 27, 2021 18:14	5,526	47,172,932	16,642,000	1,040,000	2,289,664
15	May 27, 2021 18:14	5,528	42,809,253	17,688,000	0	2,273,280
16	May 27, 2021 18:13	5,531	42,034,112	17,698,000	0	2,289,664
17	May 27, 2021 18:13	5,533	42,849,498	16,665,000	1,041,000	2,289,664
18	May 27, 2021 18:14	5,534	37,548,750	16,669,000	1,041,000	2,265,088
19	May 27, 2021 18:13	5,534	43,637,719	16,668,000	1,041,000	2,265,088
20	May 27, 2021 18:13	5,537	47,362,227	16,677,000	1,042,000	2,289,664
21	May 27, 2021 18:13	5,579	46,203,978	15,871,000	1,983,000	2,289,664
22	May 27, 2021 18:13	5,579	51,174,516	15,871,000	1,983,000	2,289,664
23	May 27, 2021 18:13	5,581	44,570,831	16,868,000	992,000	2,289,664
24	May 27, 2021 18:13	5,582	46,418,150	17,861,000	0	2,527,232
25	May 27, 2021 18:13	5,584	43,188,933	16,876,000	992,000	2,355,200
26	May 27, 2021 18:13	5,586	45,782,521	15,888,000	1,986,000	2,289,664
27	May 27, 2021 18:14	5,589	45,574,744	16,891,000	993,000	2,269,184
28	May 27, 2021 18:13	5,659	71,310,295	18,107,963	0	2,293,760
29	May 27, 2021 18:13	5,671	48,136,135	18,145,898	0	2,293,760
30	May 27, 2021 18:13	5,678	56,914,196	18,169,358	0	2,293,760
31	May 27, 2021 18:14	5,688	55,989,147	18,202,709	0	2,260,992
32	May 27, 2021 18:13	5,701	114,163,548	18,242,806	0	2,293,760
33	May 27, 2021 18:14	5,713	79,373,038	18,282,310	0	2,289,664
34	May 27, 2021 18:13	5,721	43,677,451	18,305,759	0	2,293,760
35	May 27, 2021 18:13	5,742	71,540,259	18,374,129	0	2,293,760
36	May 27, 2021 18:14	5,921	81,782,412	18,947,129	0	2,170,880

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