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 21, 2021 16:38

Dmitry Dolgopolov

Score: 5,320

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 21, 2021 16:38	5,272	43,218,673	15,878,000	992,000	2,265,088
2	May 21, 2021 16:36	5,273	35,662,735	16,872,000	0	2,269,184
3	May 21, 2021 16:37	5,278	46,776,632	15,835,000	1,055,000	2,265,088
4	May 21, 2021 16:40	5,282	34,293,239	15,908,000	994,000	2,523,136
5	May 21, 2021 16:40	5,283	42,590,111	16,904,000	0	2,383,872
6	May 21, 2021 16:36	5,284	41,922,389	14,921,000	1,989,000	2,396,160
7	May 21, 2021 16:37	5,285	41,759,204	14,924,000	1,989,000	2,387,968
8	May 21, 2021 16:38	5,286	34,428,636	15,920,000	995,000	2,265,088
9	May 21, 2021 16:36	5,291	40,610,004	14,940,000	1,992,000	2,387,968
10	May 21, 2021 16:40	5,292	36,247,292	14,943,000	1,992,000	2,260,992
11	May 21, 2021 16:36	5,292	41,336,557	14,942,000	1,992,000	2,510,848
12	May 21, 2021 16:36	5,292	43,307,076	14,942,000	1,992,000	2,265,088
13	May 21, 2021 16:38	5,293	31,568,292	15,940,000	996,000	2,383,872
14	May 21, 2021 16:38	5,293	47,749,521	15,941,000	996,000	2,392,064
15	May 21, 2021 16:36	5,293	43,144,238	15,943,000	996,000	2,265,088
16	May 21, 2021 16:37	5,293	45,842,759	14,944,000	1,992,000	2,387,968
17	May 21, 2021 16:40	5,296	36,740,579	14,954,000	1,993,000	2,265,088
18	May 21, 2021 16:37	5,297	41,843,125	15,952,000	997,000	2,265,088
19	May 21, 2021 16:40	5,298	35,742,267	15,956,000	997,000	2,379,776
20	May 21, 2021 16:36	5,302	44,541,350	15,968,000	998,000	2,400,256
21	May 21, 2021 16:37	5,305	44,507,677	15,977,000	998,000	2,265,088
22	May 21, 2021 16:38	5,308	47,560,879	14,987,000	1,998,000	2,265,088
23	May 21, 2021 16:40	5,309	47,134,843	15,990,000	999,000	2,265,088
24	May 21, 2021 16:38	5,311	49,905,051	15,996,000	999,000	2,396,160
25	May 21, 2021 16:38	5,311	47,481,007	15,995,000	999,000	2,387,968
26	May 21, 2021 16:37	5,311	36,129,907	15,996,000	999,000	2,265,088
27	May 21, 2021 16:37	5,314	49,602,822	16,005,000	1,000,000	2,392,064
28	May 21, 2021 16:37	5,316	43,477,785	16,012,000	1,000,000	2,387,968
29	May 21, 2021 16:38	5,316	48,427,594	16,010,000	1,000,000	2,265,088
30	May 21, 2021 16:40	5,317	46,383,615	16,014,000	1,000,000	2,265,088
31	May 21, 2021 16:36	5,320	45,735,555	16,022,000	1,001,000	2,265,088
32	May 21, 2021 16:40	5,324	41,691,928	16,036,000	1,002,000	2,265,088
33	May 21, 2021 16:40	5,328	44,316,915	15,045,000	2,006,000	2,510,848
34	May 21, 2021 16:38	5,330	43,574,850	16,054,000	1,003,000	2,265,088
35	May 21, 2021 16:36	5,331	34,977,568	15,052,000	2,006,000	2,265,088
36	May 21, 2021 16:37	5,341	46,123,928	15,080,000	2,010,000	2,265,088
37	May 21, 2021 16:37	5,455	61,469,166	17,456,063	0	2,289,664
38	May 21, 2021 16:36	5,466	71,470,548	17,492,286	0	2,273,280
39	May 21, 2021 16:40	5,483	83,777,245	17,545,885	0	2,285,568
40	May 21, 2021 16:36	5,484	59,547,597	17,549,351	0	2,285,568
41	May 21, 2021 16:40	5,488	79,129,503	17,562,270	0	2,281,472
42	May 21, 2021 16:36	5,489	90,390,138	17,564,207	0	2,285,568
43	May 21, 2021 16:37	5,502	73,531,739	17,605,818	0	2,289,664
44	May 21, 2021 16:38	5,507	73,021,286	17,621,588	0	2,285,568
45	May 21, 2021 16:36	5,508	91,957,383	17,626,437	0	2,281,472
46	May 21, 2021 16:37	5,509	80,217,660	17,628,310	0	2,281,472
47	May 21, 2021 16:40	5,515	73,204,460	17,647,143	0	2,277,376
48	May 21, 2021 16:38	5,520	60,073,694	17,665,354	0	2,281,472
49	May 21, 2021 16:36	5,522	94,559,181	17,669,151	0	2,277,376
50	May 21, 2021 16:40	5,523	95,449,696	17,674,811	0	2,273,280
51	May 21, 2021 16:37	5,523	75,946,485	17,674,693	0	2,285,568
52	May 21, 2021 16:37	5,525	90,103,797	17,678,782	0	2,277,376
53	May 21, 2021 16:40	5,527	74,797,135	17,686,710	0	2,281,472
54	May 21, 2021 16:38	5,542	70,833,211	17,734,323	0	2,285,568
55	May 21, 2021 16:38	5,544	66,689,780	17,741,816	0	2,277,376
56	May 21, 2021 16:36	5,547	87,881,121	17,750,113	0	2,269,184
57	May 21, 2021 16:38	5,554	84,619,696	17,774,003	0	2,281,472
58	May 21, 2021 16:40	5,555	71,162,037	17,776,291	0	2,281,472
59	May 21, 2021 16:38	5,571	94,357,972	17,827,502	0	2,273,280
60	May 21, 2021 16:37	5,615	60,723,475	17,966,739	0	2,281,472

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