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 11, 2021 11:17

Dmitry Dolgopolov

Score: 4,977

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 11, 2021 11:16	4,955	38,966,612	13,875,000	1,982,000	2,531,328
2	Jun 11, 2021 11:17	4,956	30,097,552	13,878,000	1,982,000	2,531,328
3	Jun 11, 2021 11:17	4,958	38,982,155	14,874,000	991,000	2,531,328
4	Jun 11, 2021 11:17	4,959	29,432,672	13,886,000	1,983,000	2,453,504
5	Jun 11, 2021 11:16	4,959	33,047,757	14,879,000	991,000	2,433,024
6	Jun 11, 2021 11:16	4,959	40,060,999	13,886,000	1,983,000	2,449,408
7	Jun 11, 2021 11:17	4,960	29,029,712	13,888,000	1,984,000	2,449,408
8	Jun 11, 2021 11:17	4,960	41,699,032	13,889,000	1,984,000	2,531,328
9	Jun 11, 2021 11:17	4,960	41,939,405	13,889,000	1,984,000	2,453,504
10	Jun 11, 2021 11:17	4,961	35,752,795	13,891,000	1,984,000	2,457,600
11	Jun 11, 2021 11:17	4,962	27,894,519	13,893,000	1,984,000	2,269,184
12	Jun 11, 2021 11:17	4,963	43,255,859	14,888,000	992,000	2,269,184
13	Jun 11, 2021 11:17	4,963	34,360,635	14,888,000	992,000	2,531,328
14	Jun 11, 2021 11:16	4,963	41,619,808	14,891,000	992,000	2,269,184
15	Jun 11, 2021 11:17	4,963	46,948,262	13,898,000	1,985,000	2,441,216
16	Jun 11, 2021 11:16	4,964	34,805,084	13,900,000	1,985,000	2,441,216
17	Jun 11, 2021 11:17	4,964	40,529,946	13,900,000	1,985,000	2,269,184
18	Jun 11, 2021 11:17	4,966	47,151,451	13,905,000	1,986,000	2,269,184
19	Jun 11, 2021 11:17	4,966	34,342,737	13,906,000	1,986,000	2,531,328
20	Jun 11, 2021 11:17	4,970	31,596,495	14,911,000	994,000	2,527,232
21	Jun 11, 2021 11:16	4,972	32,098,998	14,849,000	1,060,000	2,449,408
22	Jun 11, 2021 11:17	4,973	35,105,232	14,854,000	1,061,000	2,269,184
23	Jun 11, 2021 11:17	4,974	36,740,327	13,929,000	1,989,000	2,445,312
24	Jun 11, 2021 11:17	4,976	36,761,299	14,861,000	1,061,000	2,449,408
25	Jun 11, 2021 11:17	4,977	39,090,552	13,935,000	1,990,000	2,531,328
26	Jun 11, 2021 11:17	4,977	32,745,563	13,936,000	1,990,000	2,441,216
27	Jun 11, 2021 11:17	4,978	36,329,192	13,939,000	1,991,000	2,449,408
28	Jun 11, 2021 11:17	4,978	38,653,258	14,933,000	995,000	2,449,408
29	Jun 11, 2021 11:16	4,978	36,308,554	13,940,000	1,991,000	2,441,216
30	Jun 11, 2021 11:16	4,983	40,499,579	13,951,000	1,993,000	2,531,328
31	Jun 11, 2021 11:17	4,984	42,460,399	13,956,000	1,993,000	2,445,312
32	Jun 11, 2021 11:17	4,987	31,452,745	13,964,000	1,994,000	2,269,184
33	Jun 11, 2021 11:17	4,992	46,660,817	13,978,000	1,996,000	2,527,232
34	Jun 11, 2021 11:17	5,004	37,171,145	14,012,000	2,001,000	2,531,328
35	Jun 11, 2021 11:16	5,006	29,571,239	14,017,000	2,002,000	2,531,328
36	Jun 11, 2021 11:17	5,035	36,424,881	14,098,000	2,014,000	2,531,328
37	Jun 11, 2021 11:17	5,164	82,602,390	16,524,499	0	2,199,552
38	Jun 11, 2021 11:17	5,174	77,199,120	16,558,308	0	2,211,840
39	Jun 11, 2021 11:17	5,176	86,025,938	16,563,878	0	2,207,744
40	Jun 11, 2021 11:17	5,176	89,294,641	16,562,690	0	2,195,456
41	Jun 11, 2021 11:17	5,180	72,775,190	16,575,337	0	2,195,456
42	Jun 11, 2021 11:16	5,180	85,366,755	16,574,841	0	2,203,648
43	Jun 11, 2021 11:16	5,182	78,535,525	16,582,565	0	2,207,744
44	Jun 11, 2021 11:17	5,191	80,247,346	16,610,102	0	2,199,552
45	Jun 11, 2021 11:16	5,203	74,634,415	16,648,081	0	2,195,456
46	Jun 11, 2021 11:17	5,204	80,607,926	16,653,473	0	2,215,936
47	Jun 11, 2021 11:17	5,206	97,169,678	16,659,538	0	2,207,744
48	Jun 11, 2021 11:17	5,210	72,157,956	16,670,865	0	2,203,648

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