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 listJun 3, 2021 21:04

Yuriy Lyfenko

Score: 5,025

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 3, 2021 20:52	4,986	545,714,912	14,958,000	997,000	2,281,472
2	Jun 3, 2021 21:04	4,991	540,029,135	13,975,000	1,996,000	2,273,280
3	Jun 3, 2021 20:52	4,992	537,911,851	14,976,000	998,000	2,281,472
4	Jun 3, 2021 20:51	4,993	537,860,604	14,979,000	998,000	2,281,472
5	Jun 3, 2021 20:51	4,995	539,991,294	13,987,000	1,998,000	2,281,472
6	Jun 3, 2021 20:52	5,000	543,096,414	14,001,000	2,000,000	2,281,472
7	Jun 3, 2021 20:51	5,000	538,415,648	14,000,000	2,000,000	2,273,280
8	Jun 3, 2021 20:51	5,001	550,119,866	14,004,000	2,000,000	2,408,448
9	Jun 3, 2021 20:51	5,003	541,160,415	14,009,000	2,001,000	2,273,280
10	Jun 3, 2021 20:51	5,004	542,842,139	14,011,000	2,001,000	2,412,544
11	Jun 3, 2021 20:52	5,005	540,818,557	16,017,000	0	2,273,280
12	Jun 3, 2021 20:51	5,007	543,367,447	15,022,000	1,001,000	2,412,544
13	Jun 3, 2021 20:51	5,009	544,430,519	15,029,000	1,001,000	2,273,280
14	Jun 3, 2021 21:04	5,009	542,646,351	15,028,000	1,001,000	2,273,280
15	Jun 3, 2021 20:51	5,010	538,825,629	14,029,000	2,004,000	2,273,280
16	Jun 3, 2021 20:51	5,011	539,043,430	14,032,000	2,004,000	2,281,472
17	Jun 3, 2021 21:04	5,013	543,113,622	15,039,000	1,002,000	2,273,280
18	Jun 3, 2021 21:04	5,014	541,647,949	15,044,000	1,002,000	2,273,280
19	Jun 3, 2021 20:51	5,014	540,417,671	15,043,000	1,002,000	2,273,280
20	Jun 3, 2021 20:52	5,016	539,329,013	14,045,000	2,006,000	2,273,280
21	Jun 3, 2021 20:51	5,018	544,564,052	14,051,000	2,007,000	2,281,472
22	Jun 3, 2021 21:04	5,021	539,590,431	14,060,000	2,008,000	2,281,472
23	Jun 3, 2021 20:52	5,022	543,397,003	15,065,000	1,004,000	2,273,280
24	Jun 3, 2021 20:51	5,024	542,504,479	14,069,000	2,009,000	2,273,280
25	Jun 3, 2021 20:51	5,025	540,495,504	14,070,000	2,010,000	2,281,472
26	Jun 3, 2021 20:52	5,035	540,319,668	14,099,000	2,014,000	2,281,472
27	Jun 3, 2021 20:51	5,039	544,308,125	16,126,000	0	2,281,472
28	Jun 3, 2021 21:04	5,043	542,442,861	14,119,000	2,017,000	2,273,280
29	Jun 3, 2021 20:52	5,043	541,781,018	14,120,000	2,017,000	2,281,472
30	Jun 3, 2021 21:04	5,043	539,404,856	15,128,000	1,008,000	2,273,280
31	Jun 3, 2021 20:52	5,051	539,430,591	15,153,000	1,010,000	2,273,280
32	Jun 3, 2021 20:51	5,053	538,057,971	14,147,000	2,021,000	2,281,472
33	Jun 3, 2021 21:04	5,057	540,514,396	14,159,000	2,022,000	2,281,472
34	Jun 3, 2021 21:04	5,059	539,015,801	15,179,000	1,011,000	2,273,280
35	Jun 3, 2021 20:51	5,063	543,237,621	15,191,000	1,012,000	2,273,280
36	Jun 3, 2021 20:51	5,074	538,523,058	16,237,000	0	2,281,472
37	Jun 3, 2021 20:52	5,133	571,213,709	16,424,843	0	2,289,664
38	Jun 3, 2021 21:04	5,143	566,829,213	16,457,049	0	2,293,760
39	Jun 3, 2021 20:51	5,144	578,740,580	16,460,721	0	2,256,896
40	Jun 3, 2021 20:51	5,146	571,980,510	16,467,938	0	2,285,568
41	Jun 3, 2021 20:52	5,155	583,298,982	16,494,745	0	2,252,800
42	Jun 3, 2021 21:04	5,156	580,066,363	16,498,913	0	2,289,664
43	Jun 3, 2021 20:51	5,158	575,017,566	16,507,110	0	2,285,568
44	Jun 3, 2021 20:51	5,158	567,829,329	16,504,062	0	2,293,760
45	Jun 3, 2021 20:52	5,178	576,730,978	16,570,467	0	2,293,760
46	Jun 3, 2021 20:51	5,181	580,187,174	16,577,720	0	2,256,896
47	Jun 3, 2021 21:04	5,182	582,440,463	16,582,888	0	2,293,760
48	Jun 3, 2021 20:51	5,187	584,945,739	16,597,623	0	2,252,800

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