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 27, 2021 17:10

Yuriy Lyfenko

Score: 5,088

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 27, 2021 17:10	5,046	43,651,772	14,130,000	2,018,000	2,392,064
2	May 27, 2021 17:14	5,053	39,589,029	14,148,000	2,021,000	2,396,160
3	May 27, 2021 18:18	5,056	43,744,797	14,156,000	2,022,000	2,396,160
4	May 27, 2021 18:18	5,059	40,798,630	14,166,000	2,023,000	2,265,088
5	May 27, 2021 17:10	5,059	32,964,838	14,167,000	2,023,000	2,392,064
6	May 27, 2021 17:14	5,061	32,138,749	14,172,000	2,024,000	2,396,160
7	May 27, 2021 18:18	5,063	42,434,901	15,188,000	1,012,000	2,527,232
8	May 27, 2021 17:14	5,065	45,336,769	14,182,000	2,026,000	2,383,872
9	May 27, 2021 18:18	5,068	35,949,207	14,191,000	2,027,000	2,265,088
10	May 27, 2021 17:10	5,069	41,594,158	14,193,000	2,027,000	2,502,656
11	May 27, 2021 17:10	5,075	43,781,863	15,226,000	1,015,000	2,527,232
12	May 27, 2021 17:14	5,076	49,794,965	15,227,000	1,015,000	2,396,160
13	May 27, 2021 18:18	5,077	43,827,888	15,232,000	1,015,000	2,392,064
14	May 27, 2021 17:14	5,081	38,832,802	14,226,000	2,032,000	2,265,088
15	May 27, 2021 17:10	5,082	33,003,628	15,245,000	1,016,000	2,396,160
16	May 27, 2021 17:14	5,082	40,736,175	15,246,000	1,016,000	2,387,968
17	May 27, 2021 17:10	5,083	41,807,638	15,250,000	1,016,000	2,265,088
18	May 27, 2021 17:10	5,088	45,960,919	14,245,000	2,035,000	2,265,088
19	May 27, 2021 17:14	5,088	36,480,641	14,248,000	2,035,000	2,392,064
20	May 27, 2021 17:14	5,092	41,496,835	14,258,000	2,036,000	2,265,088
21	May 27, 2021 17:10	5,095	38,851,469	15,285,000	1,019,000	2,396,160
22	May 27, 2021 18:18	5,096	35,566,454	15,288,000	1,019,000	2,265,088
23	May 27, 2021 18:18	5,102	32,316,722	16,326,000	0	2,506,752
24	May 27, 2021 18:18	5,103	36,019,856	14,289,000	2,041,000	2,396,160
25	May 27, 2021 17:14	5,113	38,682,304	14,318,000	2,045,000	2,469,888
26	May 27, 2021 17:10	5,114	39,822,677	14,319,000	2,045,000	2,392,064
27	May 27, 2021 18:18	5,228	48,223,171	16,730,051	0	2,281,472
28	May 27, 2021 17:14	5,239	87,921,328	16,766,378	0	2,404,352
29	May 27, 2021 18:18	5,255	64,216,451	16,815,882	0	2,273,280
30	May 27, 2021 17:14	5,261	99,474,724	16,834,731	0	2,285,568
31	May 27, 2021 17:10	5,262	95,020,451	16,838,589	0	2,240,512
32	May 27, 2021 17:10	5,263	59,652,198	16,840,007	0	2,277,376
33	May 27, 2021 17:14	5,274	44,155,487	16,877,899	0	2,281,472
34	May 27, 2021 18:18	5,277	33,409,116	15,894,000	993,000	2,400,256
35	May 27, 2021 18:18	5,279	95,738,515	16,892,142	0	2,240,512
36	May 27, 2021 17:10	5,298	56,263,460	16,954,034	0	2,277,376

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