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 listMay 13, 2021 19:45

alex3d

Score: 4,958

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 13, 2021 19:47	4,891	37,421,415	15,652,000	0	2,519,040
2	May 13, 2021 19:47	4,893	30,228,663	15,658,000	0	2,519,040
3	May 13, 2021 19:46	4,897	41,247,381	15,670,000	0	2,383,872
4	May 13, 2021 19:47	4,898	40,052,868	14,630,000	1,045,000	2,392,064
5	May 13, 2021 19:47	4,898	31,495,142	14,628,000	1,044,000	2,387,968
6	May 13, 2021 19:47	4,899	38,778,435	15,676,000	0	2,519,040
7	May 13, 2021 19:45	4,902	43,063,305	15,685,000	0	2,510,848
8	May 13, 2021 19:45	4,903	34,917,005	15,688,000	0	2,523,136
9	May 13, 2021 19:46	4,904	36,541,896	15,694,000	0	2,519,040
10	May 13, 2021 19:47	4,904	44,723,239	14,648,000	1,046,000	2,519,040
11	May 13, 2021 19:46	4,904	42,715,135	13,601,000	2,092,000	2,260,992
12	May 13, 2021 19:45	4,906	29,855,304	15,700,000	0	2,519,040
13	May 13, 2021 19:45	4,907	31,108,209	15,701,000	0	2,392,064
14	May 13, 2021 19:46	4,909	32,318,864	14,661,000	1,047,000	2,392,064
15	May 13, 2021 19:46	4,909	42,489,406	14,661,000	1,047,000	2,519,040
16	May 13, 2021 19:47	4,909	35,401,724	15,710,000	0	2,519,040
17	May 13, 2021 19:47	4,910	32,101,907	14,666,000	1,047,000	2,387,968
18	May 13, 2021 19:46	4,911	49,669,451	14,668,000	1,047,000	2,519,040
19	May 13, 2021 19:46	4,917	43,558,517	15,735,000	0	2,387,968
20	May 13, 2021 19:46	4,923	42,836,212	14,705,000	1,050,000	2,387,968
21	May 13, 2021 19:46	4,948	41,444,703	13,856,000	1,979,000	2,519,040
22	May 13, 2021 19:46	4,948	43,070,738	14,846,000	989,000	2,383,872
23	May 13, 2021 19:46	4,953	40,970,056	13,867,000	1,981,000	2,383,872
24	May 13, 2021 19:45	4,957	36,220,331	13,880,000	1,982,000	2,396,160
25	May 13, 2021 19:46	4,958	38,529,242	14,874,000	991,000	2,392,064
26	May 13, 2021 19:46	4,958	41,480,902	14,873,000	991,000	2,387,968
27	May 13, 2021 19:45	4,958	37,899,232	13,881,000	1,983,000	2,383,872
28	May 13, 2021 19:45	4,958	42,411,805	14,875,000	991,000	2,519,040
29	May 13, 2021 19:47	4,959	42,858,128	13,886,000	1,983,000	2,383,872
30	May 13, 2021 19:46	4,959	36,192,910	14,877,000	991,000	2,519,040
31	May 13, 2021 19:46	4,960	32,051,624	12,896,000	2,976,000	2,519,040
32	May 13, 2021 19:46	4,961	40,949,358	14,884,000	992,000	2,506,752
33	May 13, 2021 19:46	4,961	40,282,778	11,906,000	3,968,000	2,265,088
34	May 13, 2021 19:46	4,962	39,602,690	14,886,000	992,000	2,519,040
35	May 13, 2021 19:45	4,963	43,973,726	13,897,000	1,985,000	2,383,872
36	May 13, 2021 19:45	4,969	42,164,154	14,909,000	993,000	2,379,776
37	May 13, 2021 19:47	5,157	65,751,212	16,503,696	0	2,281,472
38	May 13, 2021 19:47	5,158	81,826,099	16,505,058	0	2,277,376
39	May 13, 2021 19:46	5,166	75,811,811	16,532,046	0	2,285,568
40	May 13, 2021 19:47	5,168	88,786,737	16,539,104	0	2,273,280
41	May 13, 2021 19:46	5,178	97,994,459	16,568,606	0	2,289,664
42	May 13, 2021 19:45	5,184	71,484,780	16,587,779	0	2,281,472
43	May 13, 2021 19:46	5,184	78,307,020	16,589,146	0	2,273,280
44	May 13, 2021 19:45	5,191	61,518,494	16,611,067	0	2,269,184
45	May 13, 2021 19:46	5,193	76,035,093	16,618,852	0	2,281,472
46	May 13, 2021 19:46	5,195	86,197,815	16,625,410	0	2,277,376
47	May 13, 2021 19:46	5,201	77,189,076	16,642,171	0	2,277,376
48	May 13, 2021 19:45	5,204	84,645,367	16,653,085	0	2,285,568

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