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 listApr 3, 2024 02:53

Drew Garcia

Score: 5,583

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 3, 2024 02:53	5,531	42,271,554	16,658,000	1,041,000	2,281,472
2	Apr 3, 2024 02:38	5,531	46,882,700	15,617,000	2,082,000	2,281,472
3	Apr 3, 2024 02:53	5,533	47,737,459	14,581,000	3,124,000	2,281,472
4	Apr 3, 2024 02:54	5,537	44,266,417	16,677,000	1,042,000	2,281,472
5	Apr 3, 2024 02:53	5,538	41,108,246	16,680,000	1,042,000	2,269,184
6	Apr 3, 2024 02:38	5,540	49,782,227	16,687,000	1,042,000	2,281,472
7	Apr 3, 2024 02:54	5,541	42,165,147	14,602,000	3,129,000	2,265,088
8	Apr 3, 2024 02:53	5,547	43,293,840	16,705,000	1,044,000	2,289,664
9	Apr 3, 2024 02:38	5,547	43,622,443	16,705,000	1,044,000	2,281,472
10	Apr 3, 2024 02:54	5,572	45,070,130	14,858,000	2,971,000	2,281,472
11	Apr 3, 2024 02:53	5,575	49,115,357	16,850,000	991,000	2,281,472
12	Apr 3, 2024 02:53	5,577	46,660,070	15,863,000	1,982,000	2,281,472
13	Apr 3, 2024 02:54	5,578	46,885,767	14,876,000	2,975,000	2,281,472
14	Apr 3, 2024 02:53	5,578	44,512,514	16,860,000	991,000	2,273,280
15	Apr 3, 2024 02:38	5,579	41,114,555	14,877,000	2,975,000	2,383,872
16	Apr 3, 2024 02:53	5,579	47,147,936	15,871,000	1,983,000	2,289,664
17	Apr 3, 2024 02:38	5,579	35,176,531	16,863,000	991,000	2,277,376
18	Apr 3, 2024 02:54	5,580	47,551,199	15,873,000	1,984,000	2,273,280
19	Apr 3, 2024 02:54	5,581	45,038,597	15,876,000	1,984,000	2,281,472
20	Apr 3, 2024 02:53	5,581	45,689,583	15,874,000	1,984,000	2,281,472
21	Apr 3, 2024 02:38	5,581	42,241,726	16,868,000	992,000	2,281,472
22	Apr 3, 2024 02:54	5,582	45,772,192	16,871,000	992,000	2,277,376
23	Apr 3, 2024 02:53	5,582	46,896,080	16,869,000	992,000	2,273,280
24	Apr 3, 2024 02:53	5,583	45,041,235	16,874,000	992,000	2,281,472
25	Apr 3, 2024 02:53	5,583	44,310,159	15,882,000	1,985,000	2,379,776
26	Apr 3, 2024 02:53	5,583	46,215,185	16,874,000	992,000	2,281,472
27	Apr 3, 2024 02:53	5,586	44,974,002	15,890,000	1,986,000	2,523,136
28	Apr 3, 2024 02:53	5,586	46,672,918	16,883,000	993,000	2,265,088
29	Apr 3, 2024 02:53	5,587	44,308,244	15,891,000	1,986,000	2,273,280
30	Apr 3, 2024 02:54	5,588	44,965,254	15,895,000	1,986,000	2,281,472
31	Apr 3, 2024 02:53	5,591	34,514,415	15,904,000	1,988,000	2,273,280
32	Apr 3, 2024 02:54	5,594	41,334,099	14,919,000	2,983,000	2,281,472
33	Apr 3, 2024 02:53	5,598	37,472,291	15,923,000	1,990,000	2,281,472
34	Apr 3, 2024 02:38	5,712	38,405,579	16,247,000	2,030,000	2,277,376
35	Apr 3, 2024 02:38	5,801	42,362,031	17,532,000	1,031,000	2,281,472
36	Apr 3, 2024 02:53	5,806	86,816,005	18,578,585	0	2,301,952
37	Apr 3, 2024 02:53	5,815	95,496,765	18,607,335	0	2,191,360
38	Apr 3, 2024 02:38	5,816	88,997,256	18,611,389	0	2,174,976
39	Apr 3, 2024 02:38	5,819	83,695,934	18,619,945	0	2,306,048
40	Apr 3, 2024 02:53	5,822	81,098,552	18,629,617	0	2,306,048
41	Apr 3, 2024 02:53	5,824	92,090,286	18,638,179	0	2,301,952
42	Apr 3, 2024 02:54	5,825	80,254,987	18,639,872	0	2,297,856
43	Apr 3, 2024 02:53	5,828	89,267,576	18,649,298	0	2,306,048
44	Apr 3, 2024 02:54	5,832	94,137,007	18,660,807	0	2,174,976
45	Apr 3, 2024 02:38	5,847	84,163,612	18,709,954	0	2,306,048
46	Apr 3, 2024 02:54	5,859	83,251,439	18,748,660	0	2,179,072
47	Apr 3, 2024 02:53	5,903	102,574,631	18,891,103	0	2,260,992
48	Apr 3, 2024 02:38	5,908	43,083,345	16,915,000	1,990,000	2,277,376

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