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 listJun 8, 2024 22:01

AndreyTS

Score: 5,296

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 8, 2024 21:55	5,263	34,311,216	14,862,000	1,981,000	2,277,376
2	Jun 8, 2024 21:56	5,267	43,416,009	15,863,000	991,000	2,289,664
3	Jun 8, 2024 21:55	5,268	36,875,469	15,868,000	991,000	2,269,184
4	Jun 8, 2024 21:55	5,268	33,961,445	16,858,000	0	2,269,184
5	Jun 8, 2024 21:55	5,269	32,950,338	14,878,000	1,983,000	2,289,664
6	Jun 8, 2024 21:55	5,271	38,759,484	15,876,000	992,000	2,289,664
7	Jun 8, 2024 22:01	5,271	49,312,777	14,884,000	1,984,000	2,289,664
8	Jun 8, 2024 21:56	5,272	31,941,616	15,878,000	992,000	2,289,664
9	Jun 8, 2024 21:56	5,273	43,051,945	15,883,000	992,000	2,289,664
10	Jun 8, 2024 21:56	5,274	38,098,989	14,892,000	1,985,000	2,289,664
11	Jun 8, 2024 22:01	5,275	37,680,903	14,894,000	1,985,000	2,289,664
12	Jun 8, 2024 21:56	5,276	43,943,321	15,890,000	993,000	2,273,280
13	Jun 8, 2024 21:55	5,276	40,536,075	15,889,000	993,000	2,265,088
14	Jun 8, 2024 22:01	5,281	36,765,079	15,904,000	994,000	2,289,664
15	Jun 8, 2024 21:56	5,282	44,079,581	14,913,000	1,988,000	2,289,664
16	Jun 8, 2024 22:01	5,283	38,264,056	15,913,000	994,000	2,371,584
17	Jun 8, 2024 21:56	5,285	49,444,795	15,856,000	1,057,000	2,289,664
18	Jun 8, 2024 22:01	5,292	39,971,200	15,939,000	996,000	2,277,376
19	Jun 8, 2024 21:55	5,296	41,756,746	14,954,000	1,993,000	2,273,280
20	Jun 8, 2024 21:55	5,299	42,901,668	15,959,000	997,000	2,289,664
21	Jun 8, 2024 21:55	5,300	36,205,043	14,966,000	1,995,000	2,289,664
22	Jun 8, 2024 22:01	5,303	39,425,295	15,971,000	998,000	2,527,232
23	Jun 8, 2024 22:01	5,308	40,227,991	14,986,000	1,998,000	2,269,184
24	Jun 8, 2024 22:01	5,308	44,289,766	14,986,000	1,998,000	2,273,280
25	Jun 8, 2024 22:01	5,316	41,698,457	16,012,000	1,000,000	2,289,664
26	Jun 8, 2024 21:56	5,319	36,719,459	15,019,000	2,002,000	2,265,088
27	Jun 8, 2024 21:56	5,338	40,055,665	15,072,000	2,009,000	2,269,184
28	Jun 8, 2024 21:56	5,478	91,172,446	17,529,837	0	2,179,072
29	Jun 8, 2024 21:55	5,478	61,256,727	17,530,461	0	2,301,952
30	Jun 8, 2024 22:01	5,507	103,484,124	17,621,001	0	2,306,048
31	Jun 8, 2024 22:01	5,509	87,188,072	17,627,806	0	2,301,952
32	Jun 8, 2024 21:56	5,519	74,699,186	17,660,418	0	2,289,664
33	Jun 8, 2024 21:55	5,521	73,095,155	17,667,711	0	2,174,976
34	Jun 8, 2024 21:55	5,525	48,974,501	17,680,450	0	2,301,952
35	Jun 8, 2024 21:56	5,534	87,853,941	17,708,417	0	2,301,952
36	Jun 8, 2024 22:01	5,536	77,652,543	17,716,657	0	2,297,856

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