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 listJul 18, 2024 18:12

Matt Stuchlik

Score: 5,490

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 18:12	5,454	40,756,033	16,426,000	1,026,000	2,289,664
2	Jul 18, 2024 18:12	5,455	40,301,584	16,429,000	1,026,000	2,289,664
3	Jul 18, 2024 15:00	5,458	38,125,883	16,438,000	1,027,000	2,523,136
4	Jul 18, 2024 18:11	5,458	32,092,338	16,438,000	1,027,000	2,289,664
5	Jul 18, 2024 15:00	5,459	42,021,115	16,441,000	1,027,000	2,289,664
6	Jul 19, 2024 10:08	5,460	32,189,028	16,445,000	1,027,000	2,269,184
7	Jul 19, 2024 10:08	5,460	40,047,125	16,445,000	1,027,000	2,269,184
8	Jul 19, 2024 10:08	5,462	39,672,879	16,451,000	1,028,000	2,289,664
9	Jul 18, 2024 18:12	5,464	41,439,866	17,485,000	0	2,269,184
10	Jul 18, 2024 15:00	5,465	43,637,653	17,487,000	0	2,289,664
11	Jul 18, 2024 15:00	5,469	39,231,702	16,472,000	1,029,000	2,269,184
12	Jul 18, 2024 18:11	5,469	43,946,145	16,471,000	1,029,000	2,527,232
13	Jul 18, 2024 18:11	5,470	39,342,656	16,474,000	1,029,000	2,383,872
14	Jul 18, 2024 18:12	5,474	44,998,772	16,488,000	1,030,000	2,527,232
15	Jul 19, 2024 10:08	5,475	44,756,073	16,489,000	1,030,000	2,289,664
16	Jul 18, 2024 15:00	5,476	39,503,089	16,494,000	1,030,000	2,265,088
17	Jul 18, 2024 18:11	5,476	38,998,637	17,524,000	0	2,277,376
18	Jul 18, 2024 18:11	5,479	42,575,720	17,532,000	0	2,269,184
19	Jul 18, 2024 18:11	5,480	37,738,431	16,505,000	1,031,000	2,289,664
20	Jul 19, 2024 10:08	5,480	43,163,414	16,504,000	1,031,000	2,289,664
21	Jul 18, 2024 15:00	5,480	40,390,980	16,504,000	1,031,000	2,289,664
22	Jul 18, 2024 18:12	5,482	42,299,571	16,510,000	1,031,000	2,269,184
23	Jul 18, 2024 18:11	5,484	39,228,563	16,517,000	1,032,000	2,265,088
24	Jul 18, 2024 18:11	5,487	40,848,916	16,526,000	1,032,000	2,289,664
25	Jul 19, 2024 10:08	5,490	40,561,030	17,567,000	0	2,289,664
26	Jul 18, 2024 15:00	5,490	35,410,703	16,535,000	1,033,000	2,289,664
27	Jul 18, 2024 18:12	5,493	40,146,851	16,545,000	1,034,000	2,269,184
28	Jul 18, 2024 18:12	5,495	44,485,333	16,550,000	1,034,000	2,523,136
29	Jul 19, 2024 10:08	5,495	39,526,053	16,551,000	1,034,000	2,269,184
30	Jul 18, 2024 15:00	5,495	38,744,179	16,549,000	1,034,000	2,273,280
31	Jul 18, 2024 18:12	5,498	40,267,930	16,559,000	1,034,000	2,523,136
32	Jul 19, 2024 10:08	5,500	33,339,584	16,565,000	1,035,000	2,289,664
33	Jul 19, 2024 10:08	5,505	46,206,697	16,580,000	1,036,000	2,281,472
34	Jul 18, 2024 15:00	5,508	43,233,096	16,590,000	1,036,000	2,355,200
35	Jul 18, 2024 18:12	5,517	47,655,155	16,617,000	1,038,000	2,269,184
36	Jul 18, 2024 18:11	5,526	48,502,712	16,643,000	1,040,000	2,269,184
37	Jul 18, 2024 18:11	5,693	89,497,739	18,217,016	0	2,301,952
38	Jul 18, 2024 18:12	5,703	89,831,884	18,250,190	0	2,174,976
39	Jul 18, 2024 15:00	5,704	84,615,206	18,251,430	0	2,301,952
40	Jul 18, 2024 15:00	5,705	53,485,446	18,256,020	0	2,297,856
41	Jul 19, 2024 10:08	5,715	56,426,946	18,289,084	0	2,293,760
42	Jul 18, 2024 18:12	5,719	71,190,414	18,302,041	0	2,174,976
43	Jul 18, 2024 15:00	5,723	82,656,256	18,312,175	0	2,293,760
44	Jul 18, 2024 18:12	5,727	60,859,205	18,325,926	0	2,301,952
45	Jul 18, 2024 18:11	5,730	90,511,458	18,335,609	0	2,306,048
46	Jul 19, 2024 10:08	5,748	86,318,237	18,392,728	0	2,297,856
47	Jul 19, 2024 10:08	5,773	71,421,717	18,472,434	0	2,301,952
48	Jul 18, 2024 18:11	5,777	64,134,950	18,484,968	0	2,297,856

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