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 24, 2021 18:43

Yuriy Lyfenko

Score: 5,130

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 18:43	5,065	43,189,841	14,182,000	2,026,000	2,265,088
2	May 24, 2021 18:43	5,080	37,834,298	15,241,000	1,016,000	2,392,064
3	May 24, 2021 18:43	5,088	40,540,261	14,248,000	2,035,000	2,379,776
4	May 24, 2021 18:43	5,089	32,111,469	15,269,000	1,017,000	2,396,160
5	May 24, 2021 18:43	5,093	42,503,658	15,278,000	1,018,000	2,265,088
6	May 24, 2021 18:43	5,096	39,249,762	16,306,000	0	2,392,064
7	May 24, 2021 18:43	5,097	36,047,396	14,272,000	2,038,000	2,387,968
8	May 24, 2021 18:43	5,102	38,961,972	14,286,000	2,040,000	2,265,088
9	May 24, 2021 18:43	5,103	35,398,873	15,308,000	1,020,000	2,265,088
10	May 24, 2021 18:43	5,108	37,340,550	16,347,000	0	2,265,088
11	May 24, 2021 18:43	5,108	40,320,858	16,346,000	0	2,392,064
12	May 24, 2021 18:43	5,109	32,635,055	16,350,000	0	2,506,752
13	May 24, 2021 18:43	5,109	36,594,562	16,348,000	0	2,265,088
14	May 24, 2021 18:43	5,110	39,489,578	16,353,000	0	2,506,752
15	May 24, 2021 18:43	5,111	32,108,293	15,333,000	1,022,000	2,265,088
16	May 24, 2021 18:43	5,113	42,749,792	15,339,000	1,022,000	2,387,968
17	May 24, 2021 18:43	5,114	40,029,173	15,344,000	1,022,000	2,383,872
18	May 24, 2021 18:43	5,116	38,394,840	16,372,000	0	2,392,064
19	May 24, 2021 18:43	5,116	33,855,943	15,349,000	1,023,000	2,265,088
20	May 24, 2021 18:43	5,119	38,298,822	15,359,000	1,023,000	2,387,968
21	May 24, 2021 18:43	5,119	44,497,747	16,381,000	0	2,265,088
22	May 24, 2021 18:43	5,122	39,951,269	16,391,000	0	2,387,968
23	May 24, 2021 18:43	5,125	38,725,187	15,376,000	1,025,000	2,392,064
24	May 24, 2021 18:43	5,127	32,801,177	15,381,000	1,025,000	2,494,464
25	May 24, 2021 18:43	5,130	45,710,711	15,391,000	1,026,000	2,400,256
26	May 24, 2021 18:43	5,133	38,051,639	15,400,000	1,026,000	2,265,088
27	May 24, 2021 18:43	5,136	35,132,747	16,436,000	0	2,494,464
28	May 24, 2021 18:43	5,138	43,886,689	15,414,000	1,027,000	2,527,232
29	May 24, 2021 18:43	5,139	32,819,518	16,445,000	0	2,400,256
30	May 24, 2021 18:43	5,141	33,601,763	16,451,000	0	2,523,136
31	May 24, 2021 18:43	5,146	38,300,124	16,468,000	0	2,265,088
32	May 24, 2021 18:43	5,147	34,433,708	16,470,000	0	2,265,088
33	May 24, 2021 18:43	5,156	32,938,447	16,499,000	0	2,265,088
34	May 24, 2021 18:43	5,158	32,242,711	15,475,000	1,031,000	2,404,352
35	May 24, 2021 18:43	5,163	35,233,569	16,520,000	0	2,265,088
36	May 24, 2021 18:43	5,182	35,084,584	15,545,000	1,036,000	2,392,064
37	May 24, 2021 18:43	5,271	45,333,558	16,867,290	0	2,289,664
38	May 24, 2021 18:43	5,293	56,062,565	16,936,898	0	2,285,568
39	May 24, 2021 18:43	5,297	79,576,674	16,948,940	0	2,273,280
40	May 24, 2021 18:43	5,314	51,869,841	17,004,152	0	2,281,472
41	May 24, 2021 18:43	5,327	76,325,768	17,047,637	0	2,277,376
42	May 24, 2021 18:43	5,328	47,791,001	17,049,103	0	2,265,088
43	May 24, 2021 18:43	5,339	49,774,052	17,085,700	0	2,289,664
44	May 24, 2021 18:43	5,349	79,328,909	17,115,911	0	2,277,376
45	May 24, 2021 18:43	5,349	52,166,591	17,117,172	0	2,269,184
46	May 24, 2021 18:43	5,351	75,915,817	17,121,977	0	2,285,568
47	May 24, 2021 18:43	5,353	66,010,970	17,129,215	0	2,277,376
48	May 24, 2021 18:43	5,692	73,552,618	18,214,340	0	2,277,376

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