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 17, 2021 19:09

Yuriy Lyfenko

Score: 5,358

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 19:09	5,318	2,022,216,485	14,016,000	3,003,000	2,527,232
2	May 17, 2021 19:09	5,324	1,324,122,150	15,033,000	2,004,000	2,269,184
3	May 17, 2021 19:10	5,328	74,334,728	14,919,000	2,131,000	2,269,184
4	May 17, 2021 19:10	5,330	1,577,516,746	16,052,000	1,003,000	2,273,280
5	May 17, 2021 19:09	5,330	720,845,575	16,053,000	1,003,000	2,269,184
6	May 17, 2021 19:10	5,330	96,106,726	16,052,000	1,003,000	2,265,088
7	May 17, 2021 19:10	5,331	146,695,339	17,060,000	0	2,265,088
8	May 17, 2021 19:09	5,332	678,638,587	15,167,000	1,895,000	2,260,992
9	May 17, 2021 19:10	5,335	799,385,787	16,067,000	1,004,000	2,523,136
10	May 17, 2021 19:10	5,336	374,012,631	16,071,000	1,004,000	2,523,136
11	May 17, 2021 19:09	5,337	943,691,502	16,074,000	1,004,000	2,265,088
12	May 17, 2021 19:09	5,338	1,862,918,917	16,132,000	948,000	2,265,088
13	May 17, 2021 19:10	5,340	1,901,854,192	16,084,000	1,005,000	2,523,136
14	May 17, 2021 19:09	5,340	1,405,227,436	17,087,000	0	2,269,184
15	May 17, 2021 19:10	5,342	1,288,639,871	16,090,000	1,005,000	2,269,184
16	May 17, 2021 19:10	5,343	2,034,385,983	17,099,000	0	2,265,088
17	May 17, 2021 19:10	5,344	831,483,091	15,090,000	2,012,000	2,392,064
18	May 17, 2021 19:10	5,345	606,846,465	16,154,000	950,000	2,392,064
19	May 17, 2021 19:09	5,345	1,013,482,289	16,098,000	1,006,000	2,265,088
20	May 17, 2021 19:09	5,348	753,843,606	13,087,000	4,026,000	2,265,088
21	May 17, 2021 19:09	5,348	756,144,385	16,165,000	950,000	2,265,088
22	May 17, 2021 19:09	5,348	1,165,616,086	16,109,000	1,006,000	2,269,184
23	May 17, 2021 19:09	5,349	1,340,206,586	17,116,000	0	2,396,160
24	May 17, 2021 19:09	5,350	1,073,578,609	15,105,000	2,014,000	2,265,088
25	May 17, 2021 19:10	5,352	665,281,157	15,223,000	1,902,000	2,383,872
26	May 17, 2021 19:09	5,354	2,010,069,703	17,132,000	0	2,265,088
27	May 17, 2021 19:09	5,356	687,557,177	17,140,000	0	2,269,184
28	May 17, 2021 19:09	5,356	827,566,206	16,131,000	1,008,000	2,527,232
29	May 17, 2021 19:10	5,357	1,392,089,833	15,125,000	2,016,000	2,265,088
30	May 17, 2021 19:09	5,358	310,473,128	15,129,000	2,017,000	2,265,088
31	May 17, 2021 19:09	5,358	1,842,627,855	16,136,000	1,008,000	2,523,136
32	May 17, 2021 19:10	5,364	1,472,957,725	17,166,000	0	2,260,992
33	May 17, 2021 19:09	5,364	1,147,588,786	15,258,000	1,907,000	2,265,088
34	May 17, 2021 19:09	5,364	531,601,803	15,259,000	1,907,000	2,527,232
35	May 17, 2021 19:10	5,366	1,249,098,930	15,152,000	2,020,000	2,265,088
36	May 17, 2021 19:09	5,368	1,439,382,955	14,316,000	2,863,000	2,523,136
37	May 17, 2021 19:10	5,368	331,262,299	14,315,000	2,863,000	2,523,136
38	May 17, 2021 19:09	5,369	93,183,368	14,319,000	2,863,000	2,392,064
39	May 17, 2021 19:09	5,370	1,456,777,113	15,275,000	1,909,000	2,265,088
40	May 17, 2021 19:09	5,370	714,283,003	15,163,000	2,021,000	2,396,160
41	May 17, 2021 19:09	5,376	624,628,527	16,191,000	1,011,000	2,269,184
42	May 17, 2021 19:10	5,383	682,851,981	14,356,000	2,871,000	2,523,136
43	May 17, 2021 19:09	5,383	1,694,123,797	16,268,000	956,000	2,527,232
44	May 17, 2021 19:09	5,383	984,555,193	16,211,000	1,013,000	2,265,088
45	May 17, 2021 19:10	5,387	1,910,952,241	16,281,000	957,000	2,265,088
46	May 17, 2021 19:09	5,526	679,684,014	17,684,317	0	2,277,376
47	May 17, 2021 19:09	5,529	1,086,018,624	17,693,444	0	2,277,376
48	May 17, 2021 19:10	5,530	1,800,762,976	17,694,774	0	2,277,376
49	May 17, 2021 19:10	5,533	254,526,452	17,705,506	0	2,277,376
50	May 17, 2021 19:09	5,539	109,979,784	17,723,231	0	2,277,376
51	May 17, 2021 19:10	5,539	480,089,991	17,725,783	0	2,281,472
52	May 17, 2021 19:09	5,540	747,162,559	17,728,105	0	2,281,472
53	May 17, 2021 19:09	5,543	1,480,016,971	17,736,754	0	2,277,376
54	May 17, 2021 19:09	5,549	1,284,578,977	17,757,516	0	2,277,376
55	May 17, 2021 19:10	5,549	353,078,702	17,756,907	0	2,277,376
56	May 17, 2021 19:10	5,555	800,573,513	17,777,138	0	2,277,376
57	May 17, 2021 19:09	5,564	1,196,668,425	17,803,202	0	2,277,376
58	May 17, 2021 19:09	5,565	286,171,381	17,806,650	0	2,281,472
59	May 17, 2021 19:09	5,566	1,088,899,958	17,812,320	0	2,281,472
60	May 17, 2021 19:10	5,567	147,721,237	17,812,899	0	2,277,376

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