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 12:01

Matt Stuchlik

Score: 5,482

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 12:02	5,443	34,804,033	17,419,000	0	2,281,472
2	Jul 18, 2024 12:01	5,446	45,173,996	17,428,000	0	2,531,328
3	Jul 18, 2024 12:01	5,446	34,748,063	16,403,000	1,025,000	2,269,184
4	Jul 18, 2024 12:01	5,446	40,619,990	16,403,000	1,025,000	2,289,664
5	Jul 18, 2024 12:01	5,447	39,761,577	16,404,000	1,025,000	2,523,136
6	Jul 18, 2024 12:02	5,452	38,663,300	16,421,000	1,026,000	2,289,664
7	Jul 18, 2024 12:02	5,454	40,102,245	17,454,000	0	2,289,664
8	Jul 18, 2024 12:02	5,455	39,751,302	16,429,000	1,026,000	2,265,088
9	Jul 18, 2024 12:02	5,455	34,896,069	16,429,000	1,026,000	2,289,664
10	Jul 18, 2024 12:02	5,456	34,699,429	16,432,000	1,027,000	2,265,088
11	Jul 18, 2024 12:02	5,457	38,666,596	16,436,000	1,027,000	2,273,280
12	Jul 18, 2024 12:01	5,458	39,875,105	16,439,000	1,027,000	2,289,664
13	Jul 18, 2024 12:02	5,458	37,964,176	16,439,000	1,027,000	2,527,232
14	Jul 18, 2024 12:02	5,460	40,454,657	17,473,000	0	2,265,088
15	Jul 18, 2024 12:02	5,460	43,402,273	16,446,000	1,027,000	2,289,664
16	Jul 18, 2024 12:01	5,461	38,384,470	17,475,000	0	2,285,568
17	Jul 18, 2024 12:01	5,463	40,616,306	16,453,000	1,028,000	2,289,664
18	Jul 18, 2024 12:02	5,464	32,387,650	17,484,000	0	2,289,664
19	Jul 18, 2024 12:01	5,465	34,123,167	16,460,000	1,028,000	2,289,664
20	Jul 18, 2024 12:02	5,468	39,710,425	17,496,000	0	2,531,328
21	Jul 18, 2024 12:01	5,469	39,037,237	16,472,000	1,029,000	2,367,488
22	Jul 18, 2024 12:01	5,477	37,571,608	17,525,000	0	2,265,088
23	Jul 18, 2024 12:01	5,477	40,914,364	16,495,000	1,030,000	2,273,280
24	Jul 18, 2024 12:02	5,479	40,951,222	17,534,000	0	2,289,664
25	Jul 18, 2024 12:01	5,482	39,560,113	17,541,000	0	2,289,664
26	Jul 18, 2024 12:02	5,482	48,827,106	16,511,000	1,031,000	2,527,232
27	Jul 18, 2024 12:01	5,484	41,988,750	16,517,000	1,032,000	2,289,664
28	Jul 18, 2024 12:02	5,486	33,509,789	16,522,000	1,032,000	2,273,280
29	Jul 18, 2024 12:02	5,488	42,320,230	16,528,000	1,033,000	2,281,472
30	Jul 18, 2024 12:02	5,492	35,491,863	16,542,000	1,033,000	2,289,664
31	Jul 18, 2024 12:01	5,492	40,482,075	16,541,000	1,033,000	2,285,568
32	Jul 18, 2024 12:01	5,497	44,105,472	17,591,000	0	2,273,280
33	Jul 18, 2024 12:02	5,497	37,088,211	16,557,000	1,034,000	2,289,664
34	Jul 18, 2024 12:01	5,507	45,037,089	17,622,000	0	2,273,280
35	Jul 18, 2024 12:01	5,518	46,093,764	17,656,000	0	2,277,376
36	Jul 18, 2024 12:01	5,520	50,502,060	16,625,000	1,039,000	2,269,184
37	Jul 18, 2024 12:01	5,687	83,306,064	18,199,297	0	2,301,952
38	Jul 18, 2024 12:02	5,690	77,081,436	18,207,544	0	2,293,760
39	Jul 18, 2024 12:01	5,695	86,137,925	18,224,996	0	2,301,952
40	Jul 18, 2024 12:01	5,712	81,389,429	18,277,996	0	2,179,072
41	Jul 18, 2024 12:02	5,722	86,122,252	18,309,732	0	2,297,856
42	Jul 18, 2024 12:01	5,724	83,505,484	18,315,945	0	2,179,072
43	Jul 18, 2024 12:02	5,727	57,267,924	18,326,911	0	2,293,760
44	Jul 18, 2024 12:02	5,735	79,194,384	18,351,960	0	2,297,856
45	Jul 18, 2024 12:01	5,735	89,758,325	18,351,223	0	2,179,072
46	Jul 18, 2024 12:02	5,737	86,048,117	18,357,683	0	2,293,760
47	Jul 18, 2024 12:02	5,739	65,302,538	18,365,246	0	2,301,952
48	Jul 18, 2024 12:01	5,774	88,674,862	18,477,043	0	2,293,760

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