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 13, 2021 19:11

Andrey Tsvetkov

Score: 5,698

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 14, 2021 20:20	5,653	47,987,056	15,076,000	3,015,000	2,531,328
2	May 24, 2021 07:15	5,656	42,377,123	15,083,000	3,016,000	2,334,720
3	May 23, 2021 10:21	5,656	37,731,674	16,089,000	2,011,000	2,527,232
4	May 24, 2021 07:15	5,672	46,763,969	16,134,000	2,016,000	2,531,328
5	May 24, 2021 07:15	5,673	41,727,031	16,138,000	2,017,000	2,334,720
6	Jul 13, 2021 19:11	5,673	43,710,511	16,137,000	2,017,000	2,334,720
7	Jul 13, 2021 19:11	5,674	44,129,659	15,130,000	3,026,000	2,531,328
8	May 23, 2021 10:21	5,675	36,346,925	15,133,000	3,026,000	2,334,720
9	Jul 13, 2021 19:11	5,676	49,147,803	16,144,000	2,018,000	2,334,720
10	Jul 13, 2021 19:11	5,676	40,187,096	16,145,000	2,018,000	2,535,424
11	May 23, 2021 10:21	5,677	39,277,116	15,138,000	3,027,000	2,531,328
12	Jun 14, 2021 20:20	5,677	43,724,317	16,149,000	2,018,000	2,334,720
13	Jun 14, 2021 20:20	5,677	43,611,930	16,148,000	2,018,000	2,527,232
14	Jun 14, 2021 20:20	5,681	42,821,497	15,150,000	3,030,000	2,527,232
15	May 23, 2021 10:21	5,683	47,675,536	15,155,000	3,031,000	2,527,232
16	Jun 14, 2021 20:20	5,684	37,902,260	16,168,000	2,021,000	2,527,232
17	May 24, 2021 07:15	5,685	33,846,479	15,161,000	3,032,000	2,326,528
18	May 23, 2021 10:21	5,688	44,061,359	16,181,000	2,022,000	2,334,720
19	May 24, 2021 07:15	5,690	39,169,448	16,186,000	2,023,000	2,531,328
20	Jun 14, 2021 20:20	5,692	79,193,827	18,215,669	0	2,240,512
21	Jul 13, 2021 19:11	5,692	37,504,811	17,203,000	1,011,000	2,338,816
22	Jul 13, 2021 19:11	5,694	40,581,928	16,196,000	2,024,000	2,531,328
23	May 23, 2021 10:21	5,696	86,365,123	18,228,459	0	2,240,512
24	May 23, 2021 10:21	5,697	87,672,520	18,228,973	0	2,236,416
25	May 23, 2021 10:21	5,697	32,975,665	16,206,000	2,025,000	2,334,720
26	Jul 13, 2021 19:11	5,698	34,579,298	16,207,000	2,025,000	2,334,720
27	May 24, 2021 07:15	5,701	46,378,649	15,202,000	3,040,000	2,535,424
28	Jun 14, 2021 20:20	5,703	71,424,568	18,249,602	0	2,240,512
29	May 23, 2021 10:21	5,704	38,904,973	16,226,000	2,028,000	2,334,720
30	Jun 14, 2021 20:20	5,709	40,881,113	17,255,000	1,015,000	2,523,136
31	May 24, 2021 07:15	5,711	38,918,951	15,230,000	3,046,000	2,314,240
32	Jul 13, 2021 19:11	5,712	58,626,124	18,277,979	0	2,240,512
33	May 23, 2021 10:21	5,712	39,879,906	16,247,000	2,030,000	2,334,720
34	May 23, 2021 10:21	5,717	87,161,107	18,293,372	0	2,244,608
35	May 24, 2021 07:15	5,717	47,147,935	15,245,000	3,049,000	2,334,720
36	Jun 14, 2021 20:20	5,719	34,092,941	16,267,000	2,033,000	2,531,328
37	May 24, 2021 07:15	5,719	45,942,266	16,267,000	2,033,000	2,334,720
38	May 23, 2021 10:21	5,719	45,197,100	17,285,000	1,016,000	2,334,720
39	Jul 13, 2021 19:11	5,727	37,957,794	16,289,000	2,036,000	2,531,328
40	Jun 14, 2021 20:20	5,729	42,704,876	15,279,000	3,055,000	2,531,328
41	Jul 13, 2021 19:11	5,732	39,129,835	16,305,000	2,038,000	2,531,328
42	Jun 14, 2021 20:20	5,748	41,386,320	15,329,000	3,065,000	2,334,720
43	May 24, 2021 07:15	5,749	56,663,643	18,398,168	0	2,240,512
44	May 24, 2021 07:15	5,752	85,756,734	18,406,115	0	2,244,608
45	Jun 14, 2021 20:20	5,761	66,575,915	18,435,459	0	2,244,608
46	Jul 13, 2021 19:11	5,772	81,820,044	18,470,947	0	2,224,128
47	May 24, 2021 07:15	5,779	94,055,721	18,492,120	0	2,236,416
48	May 23, 2021 10:21	5,804	78,881,822	18,572,729	0	2,244,608
49	Jul 13, 2021 19:11	5,853	86,944,564	18,729,762	0	2,236,416
50	May 23, 2021 10:21	5,855	80,904,636	18,736,479	0	2,232,320
51	May 23, 2021 10:21	5,862	81,240,895	18,757,513	0	2,236,416

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