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 24, 2021 18:21

Dmitry Dolgopolov

Score: 5,024

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 18:18	4,986	40,018,347	13,962,000	1,994,000	2,273,280
2	May 24, 2021 18:18	4,993	37,663,870	13,979,000	1,997,000	2,441,216
3	May 24, 2021 18:21	4,995	42,373,449	13,986,000	1,998,000	2,441,216
4	May 24, 2021 18:18	4,996	32,950,008	13,989,000	1,998,000	2,441,216
5	May 24, 2021 18:18	4,996	40,621,233	13,990,000	1,998,000	2,441,216
6	May 24, 2021 18:18	4,999	33,333,727	13,999,000	1,999,000	2,535,424
7	May 24, 2021 18:18	5,001	38,101,557	14,004,000	2,000,000	2,535,424
8	May 24, 2021 18:21	5,003	31,248,129	14,009,000	2,001,000	2,449,408
9	May 24, 2021 18:18	5,003	33,071,011	14,010,000	2,001,000	2,535,424
10	May 24, 2021 18:18	5,005	33,398,812	14,015,000	2,002,000	2,441,216
11	May 24, 2021 18:21	5,008	31,053,097	14,021,000	2,003,000	2,445,312
12	May 24, 2021 18:18	5,008	29,202,601	14,022,000	2,003,000	2,535,424
13	May 24, 2021 18:21	5,009	32,999,401	14,026,000	2,003,000	2,535,424
14	May 24, 2021 18:18	5,010	37,361,864	14,028,000	2,004,000	2,449,408
15	May 24, 2021 18:18	5,010	39,528,627	14,029,000	2,004,000	2,273,280
16	May 24, 2021 18:21	5,010	37,745,221	14,029,000	2,004,000	2,535,424
17	May 24, 2021 18:21	5,011	39,718,103	14,030,000	2,004,000	2,433,024
18	May 24, 2021 18:18	5,011	41,170,629	14,032,000	2,004,000	2,441,216
19	May 24, 2021 18:18	5,013	38,166,138	14,038,000	2,005,000	2,535,424
20	May 24, 2021 18:21	5,015	38,744,564	15,045,000	1,003,000	2,445,312
21	May 24, 2021 18:21	5,015	35,432,002	14,043,000	2,006,000	2,269,184
22	May 24, 2021 18:18	5,015	32,921,604	14,043,000	2,006,000	2,535,424
23	May 24, 2021 18:18	5,018	42,072,842	14,051,000	2,007,000	2,273,280
24	May 24, 2021 18:18	5,019	35,923,805	14,055,000	2,007,000	2,273,280
25	May 24, 2021 18:21	5,019	37,558,219	14,055,000	2,007,000	2,535,424
26	May 24, 2021 18:21	5,020	38,731,476	14,056,000	2,008,000	2,535,424
27	May 24, 2021 18:18	5,020	34,473,593	14,056,000	2,008,000	2,273,280
28	May 24, 2021 18:21	5,022	37,732,592	14,061,000	2,008,000	2,445,312
29	May 24, 2021 18:21	5,024	39,917,096	14,067,000	2,009,000	2,441,216
30	May 24, 2021 18:21	5,024	41,284,783	14,067,000	2,009,000	2,535,424
31	May 24, 2021 18:18	5,024	48,612,274	14,067,000	2,009,000	2,535,424
32	May 24, 2021 18:18	5,025	42,138,318	14,071,000	2,010,000	2,273,280
33	May 24, 2021 18:18	5,028	31,928,740	15,086,000	1,005,000	2,535,424
34	May 24, 2021 18:18	5,029	46,147,003	14,081,000	2,011,000	2,273,280
35	May 24, 2021 18:21	5,030	32,919,275	14,084,000	2,012,000	2,535,424
36	May 24, 2021 18:21	5,033	33,538,908	14,092,000	2,013,000	2,535,424
37	May 24, 2021 18:18	5,035	34,469,791	14,099,000	2,014,000	2,441,216
38	May 24, 2021 18:18	5,036	34,070,324	14,101,000	2,014,000	2,531,328
39	May 24, 2021 18:18	5,038	37,454,472	14,107,000	2,015,000	2,449,408
40	May 24, 2021 18:21	5,040	32,337,192	14,113,000	2,016,000	2,445,312
41	May 24, 2021 18:21	5,043	31,817,589	14,121,000	2,017,000	2,273,280
42	May 24, 2021 18:21	5,047	39,913,934	14,131,000	2,018,000	2,535,424
43	May 24, 2021 18:18	5,050	32,711,737	14,141,000	2,020,000	2,535,424
44	May 24, 2021 18:18	5,051	31,726,244	14,143,000	2,020,000	2,265,088
45	May 24, 2021 18:18	5,055	33,898,182	14,154,000	2,022,000	2,437,120
46	May 24, 2021 18:21	5,251	39,987,643	16,803,971	0	2,199,552
47	May 24, 2021 18:18	5,260	43,583,433	16,831,748	0	2,195,456
48	May 24, 2021 18:18	5,272	52,150,248	16,870,545	0	2,195,456
49	May 24, 2021 18:18	5,280	47,731,448	16,894,436	0	2,195,456
50	May 24, 2021 18:18	5,280	39,654,656	16,895,163	0	2,203,648
51	May 24, 2021 18:18	5,282	80,709,313	16,903,517	0	2,203,648
52	May 24, 2021 18:18	5,288	54,891,439	16,920,777	0	2,203,648
53	May 24, 2021 18:21	5,292	68,140,917	16,933,412	0	2,203,648
54	May 24, 2021 18:21	5,299	67,178,445	16,956,866	0	2,195,456
55	May 24, 2021 18:21	5,306	84,783,977	16,979,457	0	2,191,360
56	May 24, 2021 18:21	5,312	51,980,949	16,999,923	0	2,256,896
57	May 24, 2021 18:21	5,331	43,573,361	17,060,444	0	2,203,648
58	May 24, 2021 18:18	5,340	75,160,202	17,087,692	0	2,195,456
59	May 24, 2021 18:18	5,346	54,917,250	17,108,177	0	2,199,552
60	May 24, 2021 18:18	5,425	88,239,504	17,361,259	0	2,199,552

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