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 listOct 27, 2021 10:16

Ilya Aniskovets

Score: 5,317

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 27, 2021 10:22	5,273	32,529,402	14,890,000	1,985,000	2,387,968
2	Oct 27, 2021 10:23	5,282	48,892,042	14,913,000	1,988,000	2,392,064
3	Oct 27, 2021 10:16	5,284	45,149,319	15,915,000	994,000	2,383,872
4	Oct 27, 2021 10:16	5,286	42,173,628	14,925,000	1,990,000	2,392,064
5	Oct 27, 2021 10:16	5,288	41,448,696	15,928,000	995,000	2,392,064
6	Oct 27, 2021 10:23	5,290	43,063,298	15,934,000	995,000	2,527,232
7	Oct 27, 2021 10:22	5,292	39,335,381	14,943,000	1,992,000	2,265,088
8	Oct 27, 2021 10:23	5,293	33,863,613	15,940,000	996,000	2,265,088
9	Oct 27, 2021 10:16	5,295	33,965,209	15,948,000	996,000	2,387,968
10	Oct 27, 2021 10:23	5,297	40,947,761	14,957,000	1,994,000	2,510,848
11	Oct 27, 2021 10:23	5,301	48,067,594	15,965,000	997,000	2,265,088
12	Oct 27, 2021 10:22	5,302	45,782,957	14,971,000	1,996,000	2,379,776
13	Oct 27, 2021 10:22	5,303	42,119,784	14,974,000	1,996,000	2,396,160
14	Oct 27, 2021 10:22	5,305	33,256,282	14,980,000	1,997,000	2,379,776
15	Oct 27, 2021 10:22	5,305	43,102,292	14,980,000	1,997,000	2,265,088
16	Oct 27, 2021 10:16	5,306	50,677,650	14,982,000	1,997,000	2,269,184
17	Oct 27, 2021 10:23	5,307	46,205,399	15,983,000	998,000	2,269,184
18	Oct 27, 2021 10:22	5,316	40,901,206	15,010,000	2,001,000	2,387,968
19	Oct 27, 2021 10:22	5,317	41,278,654	15,012,000	2,001,000	2,265,088
20	Oct 27, 2021 10:16	5,317	43,028,791	16,014,000	1,000,000	2,383,872
21	Oct 27, 2021 10:16	5,319	36,920,184	15,018,000	2,002,000	2,387,968
22	Oct 27, 2021 10:23	5,322	38,933,057	15,026,000	2,003,000	2,265,088
23	Oct 27, 2021 10:16	5,327	45,808,411	15,041,000	2,005,000	2,510,848
24	Oct 27, 2021 10:22	5,330	48,364,560	16,052,000	1,003,000	2,265,088
25	Oct 27, 2021 10:16	5,333	44,053,749	16,061,000	1,003,000	2,265,088
26	Oct 27, 2021 10:23	5,338	47,081,171	16,079,000	1,004,000	2,265,088
27	Oct 27, 2021 10:23	5,353	46,948,539	15,114,000	2,015,000	2,265,088
28	Oct 27, 2021 10:22	5,475	64,905,975	17,519,507	0	2,277,376
29	Oct 27, 2021 10:16	5,483	68,821,242	17,546,520	0	2,281,472
30	Oct 27, 2021 10:16	5,498	85,366,575	17,593,443	0	2,285,568
31	Oct 27, 2021 10:22	5,510	91,521,254	17,630,718	0	2,285,568
32	Oct 27, 2021 10:23	5,514	91,598,237	17,643,250	0	2,273,280
33	Oct 27, 2021 10:16	5,515	89,308,578	17,647,313	0	2,281,472
34	Oct 27, 2021 10:22	5,528	104,196,080	17,688,077	0	2,273,280
35	Oct 27, 2021 10:23	5,531	63,171,865	17,700,665	0	2,285,568
36	Oct 27, 2021 10:23	5,535	80,793,726	17,710,427	0	2,273,280

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