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 31, 2024 08:49

Ben

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 31, 2024 08:47	4,475	38,388,795	14,321,000	0	2,498,560
2	Jul 31, 2024 08:49	4,476	30,187,205	14,323,000	0	2,494,464
3	Jul 31, 2024 08:47	4,477	31,336,304	14,327,000	0	2,494,464
4	Jul 31, 2024 08:49	4,478	30,324,552	14,330,000	0	2,486,272
5	Jul 31, 2024 08:49	4,479	31,947,204	14,333,000	0	2,486,272
6	Jul 31, 2024 08:47	4,480	26,471,315	14,336,000	0	2,277,376
7	Jul 31, 2024 08:47	4,481	39,222,669	14,339,000	0	2,498,560
8	Jul 31, 2024 08:49	4,482	35,586,248	14,343,000	0	2,269,184
9	Jul 31, 2024 08:47	4,484	37,571,154	12,435,000	1,913,000	2,277,376
10	Jul 31, 2024 08:49	4,486	38,628,848	14,354,000	0	2,490,368
11	Jul 31, 2024 08:49	4,486	35,100,005	14,354,000	0	2,490,368
12	Jul 31, 2024 08:47	4,496	33,354,802	14,387,000	0	2,490,368
13	Jul 31, 2024 08:49	4,497	30,160,660	14,390,000	0	2,498,560
14	Jul 31, 2024 08:49	4,498	32,031,199	14,392,000	0	2,277,376
15	Jul 31, 2024 08:49	4,499	29,706,367	14,398,000	0	2,277,376
16	Jul 31, 2024 08:49	4,506	31,317,176	14,418,000	0	2,277,376
17	Jul 31, 2024 08:49	4,507	30,318,011	14,421,000	0	2,498,560
18	Jul 31, 2024 08:49	4,509	32,183,529	14,428,000	0	2,277,376
19	Jul 31, 2024 08:47	4,511	33,312,221	13,474,000	962,000	2,269,184
20	Jul 31, 2024 08:49	4,516	28,857,244	14,451,000	0	2,494,464
21	Jul 31, 2024 08:47	4,516	30,180,874	14,452,000	0	2,277,376
22	Jul 31, 2024 08:47	4,529	31,187,342	14,492,000	0	2,277,376
23	Jul 31, 2024 08:49	4,530	33,468,112	14,495,000	0	2,490,368
24	Jul 31, 2024 08:49	4,531	33,557,330	14,500,000	0	2,277,376
25	Jul 31, 2024 08:49	4,535	30,997,788	13,477,000	1,036,000	2,486,272
26	Jul 31, 2024 08:49	4,558	31,375,528	14,584,000	0	2,494,464
27	Jul 31, 2024 08:49	4,571	34,126,219	14,628,000	0	2,277,376
28	Jul 31, 2024 08:49	4,792	64,270,705	15,332,914	0	2,240,512
29	Jul 31, 2024 08:49	4,794	71,856,093	15,339,292	0	2,240,512
30	Jul 31, 2024 08:49	4,808	86,804,703	15,384,378	0	2,228,224
31	Jul 31, 2024 08:49	4,809	71,931,441	15,388,252	0	2,236,416
32	Jul 31, 2024 08:49	4,815	67,063,168	15,407,725	0	2,256,896
33	Jul 31, 2024 08:47	4,855	64,049,330	15,536,512	0	2,240,512
34	Jul 31, 2024 08:47	4,870	71,245,970	15,584,719	0	2,236,416
35	Jul 31, 2024 08:49	4,875	59,609,970	15,601,336	0	2,260,992
36	Jul 31, 2024 08:47	4,905	80,157,030	15,696,261	0	2,371,584

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