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 4, 2021 23:41

evgenikwt

Score: 5,290

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 4, 2021 23:41	5,266	45,850,472	14,868,000	1,982,000	2,265,088
2	Jun 4, 2021 23:38	5,270	42,663,564	15,873,000	992,000	2,265,088
3	Jun 4, 2021 23:38	5,271	33,048,154	14,884,000	1,984,000	2,383,872
4	Jun 4, 2021 23:41	5,271	41,418,520	15,874,000	992,000	2,265,088
5	Jun 4, 2021 23:41	5,273	47,567,267	15,881,000	992,000	2,527,232
6	Jun 4, 2021 23:40	5,273	47,428,928	14,890,000	1,985,000	2,265,088
7	Jun 4, 2021 23:40	5,274	40,795,061	14,893,000	1,985,000	2,392,064
8	Jun 4, 2021 23:38	5,274	40,939,371	14,892,000	1,985,000	2,265,088
9	Jun 4, 2021 23:41	5,274	42,213,591	15,886,000	992,000	2,396,160
10	Jun 4, 2021 23:40	5,276	42,914,866	14,897,000	1,986,000	2,265,088
11	Jun 4, 2021 23:40	5,277	34,700,334	14,900,000	1,986,000	2,265,088
12	Jun 4, 2021 23:38	5,277	44,010,596	14,901,000	1,986,000	2,387,968
13	Jun 4, 2021 23:38	5,278	42,804,818	14,904,000	1,987,000	2,383,872
14	Jun 4, 2021 23:40	5,281	43,239,232	14,910,000	1,988,000	2,265,088
15	Jun 4, 2021 23:38	5,287	33,586,450	14,927,000	1,990,000	2,392,064
16	Jun 4, 2021 23:38	5,289	40,402,871	14,933,000	1,991,000	2,265,088
17	Jun 4, 2021 23:41	5,290	38,756,544	15,933,000	995,000	2,387,968
18	Jun 4, 2021 23:40	5,290	41,032,916	14,938,000	1,991,000	2,392,064
19	Jun 4, 2021 23:41	5,290	38,829,480	15,933,000	995,000	2,387,968
20	Jun 4, 2021 23:41	5,291	42,738,279	14,940,000	1,992,000	2,387,968
21	Jun 4, 2021 23:40	5,292	42,238,223	15,937,000	996,000	2,387,968
22	Jun 4, 2021 23:41	5,295	36,799,654	15,947,000	996,000	2,265,088
23	Jun 4, 2021 23:38	5,297	33,429,173	15,952,000	997,000	2,527,232
24	Jun 4, 2021 23:41	5,300	42,035,120	14,965,000	1,995,000	2,396,160
25	Jun 4, 2021 23:40	5,311	39,698,250	14,997,000	1,999,000	2,387,968
26	Jun 4, 2021 23:40	5,312	44,654,869	15,937,000	1,062,000	2,392,064
27	Jun 4, 2021 23:38	5,326	42,945,186	16,041,000	1,002,000	2,265,088
28	Jun 4, 2021 23:41	5,467	82,508,471	17,495,862	0	2,277,376
29	Jun 4, 2021 23:38	5,469	87,880,399	17,501,839	0	2,277,376
30	Jun 4, 2021 23:40	5,473	82,149,616	17,513,487	0	2,277,376
31	Jun 4, 2021 23:38	5,476	86,968,964	17,524,142	0	2,277,376
32	Jun 4, 2021 23:40	5,487	88,887,389	17,557,544	0	2,269,184
33	Jun 4, 2021 23:41	5,488	75,330,228	17,562,492	0	2,277,376
34	Jun 4, 2021 23:41	5,498	82,268,416	17,593,686	0	2,281,472
35	Jun 4, 2021 23:40	5,504	79,113,587	17,613,131	0	2,289,664
36	Jun 4, 2021 23:38	5,520	76,478,935	17,665,250	0	2,289,664

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