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 13, 2021 19:29

alex3d

Score: 5,382

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 13, 2021 19:31	5,325	38,501,922	16,038,000	1,002,000	2,445,312
2	May 13, 2021 19:31	5,335	32,072,637	16,068,000	1,004,000	2,441,216
3	May 13, 2021 19:31	5,335	38,557,912	14,059,000	3,012,000	2,445,312
4	May 13, 2021 19:31	5,336	39,832,913	16,070,000	1,004,000	2,445,312
5	May 13, 2021 19:30	5,354	40,390,516	16,126,000	1,007,000	2,531,328
6	May 13, 2021 19:31	5,354	40,975,205	16,127,000	1,007,000	2,445,312
7	May 13, 2021 19:30	5,355	30,081,206	16,129,000	1,008,000	2,445,312
8	May 13, 2021 19:31	5,356	39,097,948	15,122,000	2,016,000	2,433,024
9	May 13, 2021 19:30	5,361	39,890,391	16,147,000	1,009,000	2,531,328
10	May 13, 2021 19:31	5,361	41,167,394	14,128,000	3,027,000	2,449,408
11	May 13, 2021 19:29	5,364	43,819,836	16,157,000	1,009,000	2,269,184
12	May 13, 2021 19:30	5,366	40,095,077	15,150,000	2,020,000	2,269,184
13	May 13, 2021 19:31	5,368	36,903,608	16,166,000	1,010,000	2,441,216
14	May 13, 2021 19:29	5,369	37,089,972	16,171,000	1,010,000	2,269,184
15	May 13, 2021 19:30	5,369	41,628,315	16,171,000	1,010,000	2,265,088
16	May 13, 2021 19:31	5,371	39,959,419	16,177,000	1,011,000	2,531,328
17	May 13, 2021 19:29	5,375	38,127,560	16,190,000	1,011,000	2,449,408
18	May 13, 2021 19:29	5,379	43,216,400	16,201,000	1,012,000	2,445,312
19	May 13, 2021 19:29	5,382	33,642,734	16,208,000	1,013,000	2,531,328
20	May 13, 2021 19:29	5,383	39,656,866	16,213,000	1,013,000	2,445,312
21	May 13, 2021 19:30	5,384	31,629,478	16,216,000	1,013,000	2,441,216
22	May 13, 2021 19:29	5,388	31,252,434	16,229,000	1,014,000	2,449,408
23	May 13, 2021 19:30	5,394	44,316,440	17,261,000	0	2,260,992
24	May 13, 2021 19:30	5,398	42,582,560	17,272,000	0	2,531,328
25	May 13, 2021 19:29	5,400	41,521,466	17,279,000	0	2,269,184
26	May 13, 2021 19:29	5,400	36,872,334	16,264,000	1,016,000	2,449,408
27	May 13, 2021 19:30	5,415	37,402,166	17,327,000	0	2,265,088
28	May 13, 2021 19:29	5,601	53,582,072	17,923,352	0	2,195,456
29	May 13, 2021 19:31	5,610	88,991,703	17,951,667	0	2,207,744
30	May 13, 2021 19:29	5,620	77,323,619	17,983,323	0	2,199,552
31	May 13, 2021 19:31	5,620	87,837,113	17,984,945	0	2,203,648
32	May 13, 2021 19:30	5,626	93,437,554	18,003,617	0	2,199,552
33	May 13, 2021 19:29	5,636	87,458,472	18,033,692	0	2,199,552
34	May 13, 2021 19:30	5,638	88,140,860	18,040,853	0	2,203,648
35	May 13, 2021 19:31	5,656	91,601,604	18,099,569	0	2,199,552
36	May 13, 2021 19:30	5,703	73,627,877	18,249,809	0	2,203,648

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