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 2, 2021 15:56

Yuriy Lyfenko

Score: 5,146

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 2, 2021 15:56	5,034	35,117,655	15,102,000	1,006,000	2,260,992
2	Jun 2, 2021 15:56	5,054	43,561,309	15,164,000	1,010,000	2,523,136
3	Jun 2, 2021 15:56	5,059	45,219,616	14,167,000	2,023,000	2,387,968
4	Jun 2, 2021 15:56	5,060	43,456,769	13,157,000	3,036,000	2,519,040
5	Jun 2, 2021 15:56	5,061	39,681,000	13,159,000	3,036,000	2,260,992
6	Jun 2, 2021 15:56	5,061	43,864,783	13,159,000	3,036,000	2,387,968
7	Jun 2, 2021 15:56	5,068	45,441,752	15,204,000	1,013,000	2,392,064
8	Jun 2, 2021 15:56	5,070	33,780,271	13,182,000	3,042,000	2,396,160
9	Jun 2, 2021 15:56	5,079	47,481,306	14,223,000	2,031,000	2,519,040
10	Jun 2, 2021 15:56	5,083	33,083,795	15,251,000	1,016,000	2,523,136
11	Jun 2, 2021 15:56	5,089	32,863,503	15,269,000	1,017,000	2,519,040
12	Jun 2, 2021 15:56	5,092	46,687,988	15,276,000	1,018,000	2,523,136
13	Jun 2, 2021 15:56	5,093	43,647,538	14,260,000	2,037,000	2,379,776
14	Jun 2, 2021 15:56	5,093	44,707,102	15,278,000	1,018,000	2,387,968
15	Jun 2, 2021 15:56	5,098	36,187,269	15,296,000	1,019,000	2,519,040
16	Jun 2, 2021 15:56	5,106	38,721,980	15,319,000	1,021,000	2,260,992
17	Jun 2, 2021 15:56	5,109	32,474,182	15,329,000	1,021,000	2,387,968
18	Jun 2, 2021 15:57	5,110	40,276,138	15,330,000	1,022,000	2,260,992
19	Jun 2, 2021 15:57	5,113	34,796,967	16,360,000	0	2,260,992
20	Jun 2, 2021 15:57	5,122	39,494,260	16,390,000	0	2,379,776
21	Jun 2, 2021 15:57	5,126	45,956,382	16,402,000	0	2,519,040
22	Jun 2, 2021 15:56	5,127	42,056,029	16,406,000	0	2,383,872
23	Jun 2, 2021 15:57	5,139	44,451,866	16,444,000	0	2,523,136
24	Jun 2, 2021 15:57	5,141	45,945,447	16,452,000	0	2,392,064
25	Jun 2, 2021 15:57	5,146	44,081,123	15,438,000	1,029,000	2,383,872
26	Jun 2, 2021 15:57	5,153	32,874,538	16,488,000	0	2,260,992
27	Jun 2, 2021 15:57	5,157	35,522,699	16,501,000	0	2,392,064
28	Jun 2, 2021 15:56	5,215	41,609,827	16,689,000	0	2,392,064
29	Jun 2, 2021 15:56	5,226	33,632,707	15,678,000	1,045,000	2,527,232
30	Jun 2, 2021 15:56	5,236	34,300,420	16,754,000	0	2,265,088
31	Jun 2, 2021 15:56	5,268	64,635,248	16,857,080	0	2,277,376
32	Jun 2, 2021 15:56	5,271	36,103,331	14,883,000	1,984,000	2,400,256
33	Jun 2, 2021 15:56	5,271	34,044,535	14,883,000	1,984,000	2,269,184
34	Jun 2, 2021 15:56	5,272	77,880,120	16,869,517	0	2,273,280
35	Jun 2, 2021 15:56	5,277	46,682,224	14,901,000	1,986,000	2,265,088
36	Jun 2, 2021 15:56	5,278	89,972,630	16,890,653	0	2,269,184
37	Jun 2, 2021 15:56	5,278	33,280,594	14,902,000	1,987,000	2,392,064
38	Jun 2, 2021 15:56	5,279	41,032,671	13,912,000	2,981,000	2,392,064
39	Jun 2, 2021 15:56	5,280	32,723,864	16,897,000	0	2,269,184
40	Jun 2, 2021 15:56	5,290	76,127,918	16,927,093	0	2,281,472
41	Jun 2, 2021 15:56	5,300	71,220,363	16,958,402	0	2,281,472
42	Jun 2, 2021 15:57	5,313	80,711,434	17,002,702	0	2,273,280
43	Jun 2, 2021 15:56	5,316	88,528,234	17,011,536	0	2,285,568
44	Jun 2, 2021 15:57	5,338	79,204,819	17,081,709	0	2,277,376
45	Jun 2, 2021 15:57	5,355	84,488,316	17,135,420	0	2,285,568
46	Jun 2, 2021 15:56	5,444	89,619,473	17,419,239	0	2,281,472
47	Jun 2, 2021 15:56	5,459	72,516,500	17,469,407	0	2,289,664
48	Jun 2, 2021 15:56	5,526	93,122,468	17,683,970	0	2,281,472

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