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 18, 2021 21:38

Andrey Tsvetkov

Score: 5,618

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2021 21:38	5,581	42,647,722	16,866,000	992,000	2,342,912
2	Jul 18, 2021 21:38	5,583	44,192,389	17,864,000	0	2,342,912
3	Jul 18, 2021 21:38	5,584	34,545,913	15,884,000	1,985,000	2,342,912
4	Jul 18, 2021 21:38	5,584	40,775,251	17,868,000	0	2,314,240
5	Jul 18, 2021 21:38	5,584	45,537,449	16,878,000	992,000	2,342,912
6	Jul 18, 2021 21:38	5,585	42,691,430	16,880,000	992,000	2,342,912
7	Jul 18, 2021 21:38	5,585	42,077,498	16,880,000	992,000	2,310,144
8	Jul 18, 2021 21:38	5,586	40,043,499	16,883,000	993,000	2,342,912
9	Jul 18, 2021 21:38	5,586	43,286,031	16,881,000	993,000	2,310,144
10	Jul 18, 2021 21:38	5,586	46,173,995	16,882,000	993,000	2,342,912
11	Jul 18, 2021 21:38	5,586	40,599,053	16,883,000	993,000	2,334,720
12	Jul 18, 2021 21:38	5,586	34,871,442	16,883,000	993,000	2,342,912
13	Jul 18, 2021 21:38	5,587	45,944,037	16,885,000	993,000	2,310,144
14	Jul 18, 2021 21:38	5,587	36,098,522	16,886,000	993,000	2,314,240
15	Jul 18, 2021 21:38	5,587	43,771,023	17,878,000	0	2,314,240
16	Jul 18, 2021 21:38	5,588	37,178,301	16,890,000	993,000	2,342,912
17	Jul 18, 2021 21:38	5,588	47,402,947	17,880,000	0	2,306,048
18	Jul 18, 2021 21:38	5,588	46,047,702	16,887,000	993,000	2,310,144
19	Jul 18, 2021 21:38	5,589	42,191,279	15,898,000	1,987,000	2,342,912
20	Jul 18, 2021 21:38	5,589	38,651,869	16,891,000	993,000	2,310,144
21	Jul 18, 2021 21:38	5,589	45,020,349	15,897,000	1,987,000	2,342,912
22	Jul 18, 2021 21:38	5,590	34,307,174	15,901,000	1,987,000	2,301,952
23	Jul 18, 2021 21:38	5,590	47,435,121	15,900,000	1,987,000	2,342,912
24	Jul 18, 2021 21:38	5,590	43,116,458	16,896,000	993,000	2,310,144
25	Jul 18, 2021 21:38	5,590	43,973,988	17,889,000	0	2,342,912
26	Jul 18, 2021 21:38	5,591	43,750,681	15,903,000	1,987,000	2,306,048
27	Jul 18, 2021 21:38	5,592	43,408,328	16,900,000	994,000	2,318,336
28	Jul 18, 2021 21:38	5,594	46,128,544	16,907,000	994,000	2,342,912
29	Jul 18, 2021 21:38	5,594	43,096,805	16,907,000	994,000	2,342,912
30	Jul 18, 2021 21:38	5,597	29,361,184	16,915,000	995,000	2,342,912
31	Jul 18, 2021 21:38	5,597	34,261,584	16,916,000	995,000	2,342,912
32	Jul 18, 2021 21:38	5,601	42,441,175	15,933,000	1,991,000	2,310,144
33	Jul 18, 2021 21:38	5,606	48,534,812	15,946,000	1,993,000	2,301,952
34	Jul 18, 2021 21:38	5,607	37,364,926	15,948,000	1,993,000	2,342,912
35	Jul 18, 2021 21:38	5,608	42,889,638	16,950,000	997,000	2,322,432
36	Jul 18, 2021 21:38	5,608	32,049,339	16,950,000	997,000	2,306,048
37	Jul 18, 2021 21:38	5,610	45,399,853	15,957,000	1,994,000	2,342,912
38	Jul 18, 2021 21:38	5,612	46,615,714	15,963,000	1,995,000	2,318,336
39	Jul 18, 2021 21:38	5,612	48,315,552	16,960,000	997,000	2,342,912
40	Jul 18, 2021 21:38	5,613	46,293,488	15,967,000	1,995,000	2,301,952
41	Jul 18, 2021 21:38	5,614	40,295,229	15,969,000	1,996,000	2,342,912
42	Jul 18, 2021 21:38	5,615	36,476,732	15,972,000	1,996,000	2,310,144
43	Jul 18, 2021 21:38	5,618	51,985,337	15,982,000	1,997,000	2,310,144
44	Jul 18, 2021 21:38	5,618	45,710,027	16,979,000	998,000	2,310,144
45	Jul 18, 2021 21:38	5,620	38,137,692	16,984,000	999,000	2,424,832
46	Jul 18, 2021 21:38	5,620	43,113,310	16,984,000	999,000	2,342,912
47	Jul 18, 2021 21:38	5,620	46,420,938	16,985,000	999,000	2,310,144
48	Jul 18, 2021 21:38	5,620	42,776,264	15,986,000	1,998,000	2,416,640
49	Jul 18, 2021 21:38	5,622	44,204,348	15,992,000	1,999,000	2,342,912
50	Jul 18, 2021 21:38	5,622	33,932,903	16,992,000	999,000	2,342,912
51	Jul 18, 2021 21:38	5,623	50,081,821	16,993,000	999,000	2,342,912
52	Jul 18, 2021 21:38	5,623	46,319,969	16,995,000	999,000	2,342,912
53	Jul 18, 2021 21:38	5,625	35,390,789	17,000,000	1,000,000	2,314,240
54	Jul 18, 2021 21:38	5,626	43,434,986	17,003,000	1,000,000	2,342,912
55	Jul 18, 2021 21:38	5,629	48,388,217	17,014,000	1,000,000	2,342,912
56	Jul 18, 2021 21:38	5,629	45,136,008	16,012,000	2,001,000	2,310,144
57	Jul 18, 2021 21:38	5,630	42,808,981	17,015,000	1,000,000	2,310,144
58	Jul 18, 2021 21:38	5,631	46,795,172	16,017,000	2,002,000	2,342,912
59	Jul 18, 2021 21:38	5,638	46,977,094	16,038,000	2,004,000	2,314,240
60	Jul 18, 2021 21:38	5,648	78,680,864	18,072,676	0	2,273,280
61	Jul 18, 2021 21:38	5,649	74,183,508	18,077,503	0	2,273,280
62	Jul 18, 2021 21:38	5,649	90,421,158	18,076,850	0	2,281,472
63	Jul 18, 2021 21:38	5,654	49,771,587	17,087,000	1,005,000	2,342,912
64	Jul 18, 2021 21:38	5,655	45,504,698	16,087,000	2,010,000	2,342,912
65	Jul 18, 2021 21:38	5,660	48,216,730	17,105,000	1,006,000	2,342,912
66	Jul 18, 2021 21:38	5,661	47,393,282	16,103,000	2,012,000	2,342,912
67	Jul 18, 2021 21:38	5,665	91,217,604	18,129,548	0	2,285,568
68	Jul 18, 2021 21:38	5,688	82,127,634	18,201,712	0	2,273,280
69	Jul 18, 2021 21:38	5,688	90,954,616	18,201,569	0	2,285,568
70	Jul 18, 2021 21:38	5,695	116,762,271	18,222,640	0	2,277,376
71	Jul 18, 2021 21:38	5,698	78,900,078	18,232,690	0	2,277,376
72	Jul 18, 2021 21:38	5,701	69,059,281	18,241,875	0	2,281,472
73	Jul 18, 2021 21:38	5,705	68,243,568	18,255,149	0	2,277,376
74	Jul 18, 2021 21:38	5,716	99,504,543	18,290,958	0	2,281,472
75	Jul 18, 2021 21:38	5,732	91,960,022	18,341,490	0	2,277,376
76	Jul 18, 2021 21:38	5,743	101,517,219	18,377,986	0	2,277,376
77	Jul 18, 2021 21:38	5,744	92,630,224	18,381,781	0	2,277,376
78	Jul 18, 2021 21:38	5,748	75,696,204	18,392,329	0	2,285,568
79	Jul 18, 2021 21:38	5,749	85,284,667	18,396,183	0	2,269,184
80	Jul 18, 2021 21:38	5,759	93,200,540	18,428,137	0	2,277,376
81	Jul 18, 2021 21:38	5,764	83,982,544	18,444,461	0	2,277,376
82	Jul 18, 2021 21:38	5,779	84,762,462	18,493,329	0	2,269,184
83	Jul 18, 2021 21:38	5,781	80,187,447	18,498,610	0	2,281,472
84	Jul 18, 2021 21:38	5,805	93,995,209	18,577,408	0	2,285,568

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