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 19:43

Yuriy Lyfenko

Score: 5,680

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:43	5,634	543,005,058	15,024,000	3,004,000	2,527,232
2	Jul 13, 2021 19:43	5,635	544,438,869	16,028,000	2,003,000	2,330,624
3	Jul 13, 2021 19:43	5,637	552,986,378	15,031,000	3,006,000	2,334,720
4	Jul 13, 2021 19:43	5,639	547,618,816	16,040,000	2,005,000	2,330,624
5	Jul 13, 2021 19:43	5,643	549,263,621	16,052,000	2,006,000	2,334,720
6	Jul 13, 2021 19:43	5,646	543,337,930	17,063,000	1,003,000	2,334,720
7	Jul 13, 2021 19:43	5,647	542,029,703	16,062,000	2,007,000	2,334,720
8	Jul 13, 2021 19:43	5,650	543,534,258	15,068,000	3,013,000	2,330,624
9	Jul 13, 2021 19:43	5,652	540,401,861	15,073,000	3,014,000	2,330,624
10	Jul 13, 2021 19:43	5,653	548,575,462	16,080,000	2,010,000	2,527,232
11	Jul 13, 2021 19:43	5,655	542,168,925	16,087,000	2,010,000	2,330,624
12	Jul 13, 2021 19:43	5,660	542,965,271	16,101,000	2,012,000	2,334,720
13	Jul 13, 2021 19:43	5,660	545,648,938	16,100,000	2,012,000	2,330,624
14	Jul 13, 2021 19:43	5,662	543,036,080	16,105,000	2,013,000	2,330,624
15	Jul 13, 2021 19:43	5,663	542,486,088	16,108,000	2,013,000	2,330,624
16	Jul 13, 2021 19:43	5,666	544,176,838	15,109,000	3,021,000	2,330,624
17	Jul 13, 2021 19:43	5,668	541,924,108	16,122,000	2,015,000	2,330,624
18	Jul 13, 2021 19:43	5,668	546,128,894	16,124,000	2,015,000	2,330,624
19	Jul 13, 2021 19:43	5,671	543,680,196	16,132,000	2,016,000	2,523,136
20	Jul 13, 2021 19:43	5,672	547,980,941	16,133,000	2,016,000	2,330,624
21	Jul 13, 2021 19:43	5,673	544,712,356	16,136,000	2,017,000	2,523,136
22	Jul 13, 2021 19:43	5,675	542,246,763	16,143,000	2,017,000	2,330,624
23	Jul 13, 2021 19:43	5,676	570,944,758	18,161,941	0	2,232,320
24	Jul 13, 2021 19:43	5,678	542,379,006	15,140,000	3,028,000	2,330,624
25	Jul 13, 2021 19:43	5,680	544,969,919	16,158,000	2,019,000	2,330,624
26	Jul 13, 2021 19:43	5,680	546,115,503	15,148,000	3,029,000	2,342,912
27	Jul 13, 2021 19:43	5,682	540,346,486	16,161,000	2,020,000	2,334,720
28	Jul 13, 2021 19:43	5,686	572,613,999	18,193,816	0	2,228,224
29	Jul 13, 2021 19:43	5,690	538,325,710	16,186,000	2,023,000	2,330,624
30	Jul 13, 2021 19:43	5,690	583,680,559	18,209,083	0	2,228,224
31	Jul 13, 2021 19:43	5,692	540,697,117	16,191,000	2,023,000	2,519,040
32	Jul 13, 2021 19:43	5,693	541,253,823	15,180,000	3,036,000	2,330,624
33	Jul 13, 2021 19:43	5,693	612,746,130	18,218,337	0	2,240,512
34	Jul 13, 2021 19:43	5,693	542,423,374	15,180,000	3,036,000	2,334,720
35	Jul 13, 2021 19:43	5,699	581,724,174	18,235,383	0	2,256,896
36	Jul 13, 2021 19:43	5,700	541,449,345	16,213,000	2,026,000	2,379,776
37	Jul 13, 2021 19:43	5,703	580,131,198	18,250,215	0	2,224,128
38	Jul 13, 2021 19:43	5,707	573,552,582	18,261,849	0	2,256,896
39	Jul 13, 2021 19:43	5,711	539,318,979	16,245,000	2,030,000	2,342,912
40	Jul 13, 2021 19:43	5,712	581,001,480	18,277,847	0	2,220,032
41	Jul 13, 2021 19:43	5,715	542,319,413	15,241,000	3,048,000	2,527,232
42	Jul 13, 2021 19:43	5,716	538,128,563	16,258,000	2,032,000	2,310,144
43	Jul 13, 2021 19:43	5,727	542,614,554	14,254,000	4,072,000	2,330,624
44	Jul 13, 2021 19:43	5,727	578,074,198	18,326,085	0	2,256,896
45	Jul 13, 2021 19:43	5,730	541,041,281	15,281,000	3,056,000	2,523,136
46	Jul 13, 2021 19:43	5,736	589,274,394	18,356,180	0	2,224,128
47	Jul 13, 2021 19:43	5,740	576,961,798	18,369,509	0	2,228,224
48	Jul 13, 2021 19:43	5,767	576,291,016	18,454,020	0	2,228,224

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