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 20, 2024 12:16

Matt Stuchlik

Score: 4,752

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 20, 2024 12:00	4,656	37,049,002	12,912,000	1,986,000	2,289,664
2	Jul 20, 2024 12:00	4,658	42,650,732	12,917,000	1,987,000	2,269,184
3	Jul 20, 2024 12:00	4,659	34,488,036	14,910,000	0	2,277,376
4	Jul 20, 2024 12:00	4,663	34,954,345	13,857,000	1,065,000	2,285,568
5	Jul 20, 2024 12:00	4,663	32,125,375	12,931,000	1,989,000	2,277,376
6	Jul 20, 2024 12:00	4,669	39,173,534	12,950,000	1,992,000	2,289,664
7	Jul 20, 2024 12:00	4,670	39,443,601	12,953,000	1,992,000	2,289,664
8	Jul 20, 2024 12:00	4,672	30,351,130	12,957,000	1,993,000	2,289,664
9	Jul 20, 2024 12:00	4,674	42,747,047	12,964,000	1,994,000	2,289,664
10	Jul 20, 2024 12:00	4,676	35,451,092	12,967,000	1,995,000	2,289,664
11	Jul 20, 2024 12:00	4,678	40,118,453	12,973,000	1,995,000	2,281,472
12	Jul 20, 2024 12:00	4,678	29,654,986	13,972,000	998,000	2,289,664
13	Jul 20, 2024 12:00	4,681	34,550,480	12,983,000	1,997,000	2,289,664
14	Jul 20, 2024 12:00	4,688	43,188,478	13,003,000	2,000,000	2,273,280
15	Jul 20, 2024 12:00	4,690	42,013,451	13,008,000	2,001,000	2,523,136
16	Jul 20, 2024 12:00	4,693	39,484,543	13,014,000	2,002,000	2,289,664
17	Jul 20, 2024 12:00	4,703	35,112,640	13,044,000	2,006,000	2,289,664
18	Jul 20, 2024 12:00	4,711	31,578,485	13,066,000	2,010,000	2,289,664
19	Jul 20, 2024 12:02	4,719	42,847,951	14,096,000	1,006,000	2,531,328
20	Jul 20, 2024 12:02	4,730	30,710,553	13,117,000	2,018,000	2,273,280
21	Jul 20, 2024 12:02	4,742	31,054,856	13,151,000	2,023,000	2,273,280
22	Jul 20, 2024 12:02	4,743	36,590,381	13,153,000	2,023,000	2,289,664
23	Jul 20, 2024 12:02	4,746	32,222,280	13,162,000	2,025,000	2,289,664
24	Jul 20, 2024 12:02	4,748	31,825,930	13,168,000	2,025,000	2,273,280
25	Jul 20, 2024 12:02	4,752	32,757,873	14,192,000	1,013,000	2,285,568
26	Jul 20, 2024 12:02	4,752	32,975,451	14,193,000	1,013,000	2,289,664
27	Jul 20, 2024 12:02	4,753	34,924,990	13,182,000	2,028,000	2,289,664
28	Jul 20, 2024 12:00	4,930	85,383,418	15,776,137	0	2,293,760
29	Jul 20, 2024 12:00	4,932	81,791,937	15,781,437	0	2,281,472
30	Jul 20, 2024 12:00	4,943	72,484,411	15,817,130	0	2,285,568
31	Jul 20, 2024 12:00	4,951	96,320,757	15,843,808	0	2,293,760
32	Jul 20, 2024 12:00	4,954	83,179,700	15,851,255	0	2,285,568
33	Jul 20, 2024 12:00	4,987	80,285,746	15,959,560	0	2,301,952
34	Jul 20, 2024 12:02	5,007	81,302,574	16,022,686	0	2,285,568
35	Jul 20, 2024 12:02	5,033	67,241,506	16,105,730	0	2,285,568
36	Jul 20, 2024 12:02	5,033	99,508,025	16,105,380	0	2,293,760
37	Jul 20, 2024 12:16	5,061	33,082,613	15,182,000	1,012,000	2,269,184
38	Jul 20, 2024 12:16	5,089	37,731,556	14,249,000	2,035,000	2,265,088
39	Jul 20, 2024 12:16	5,094	37,085,505	14,263,000	2,037,000	2,289,664
40	Jul 20, 2024 12:16	5,098	32,420,064	14,273,000	2,039,000	2,265,088
41	Jul 20, 2024 12:16	5,098	33,615,621	14,275,000	2,039,000	2,273,280
42	Jul 20, 2024 12:16	5,111	34,305,070	14,311,000	2,044,000	2,289,664
43	Jul 20, 2024 12:16	5,113	35,032,501	14,318,000	2,045,000	2,289,664
44	Jul 20, 2024 12:16	5,116	39,190,637	14,325,000	2,046,000	2,277,376
45	Jul 20, 2024 12:16	5,134	38,412,676	14,377,000	2,053,000	2,289,664
46	Jul 20, 2024 12:16	5,347	71,152,107	17,110,916	0	2,285,568
47	Jul 20, 2024 12:16	5,399	76,936,901	17,276,461	0	2,273,280
48	Jul 20, 2024 12:16	5,413	76,584,918	17,320,077	0	2,289,664

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