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 16, 2021 09:39

alex3d

Score: 4,767

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 09:39	4,728	31,261,898	14,122,000	1,008,000	2,265,088
2	May 16, 2021 09:39	4,734	38,945,829	13,129,000	2,019,000	2,527,232
3	May 16, 2021 09:39	4,735	32,500,305	14,142,000	1,010,000	2,445,312
4	May 16, 2021 09:39	4,738	34,851,689	14,150,000	1,010,000	2,531,328
5	May 16, 2021 09:39	4,738	29,169,925	14,150,000	1,010,000	2,437,120
6	May 16, 2021 09:39	4,739	32,675,658	14,155,000	1,011,000	2,527,232
7	May 16, 2021 09:39	4,740	30,271,815	14,158,000	1,011,000	2,531,328
8	May 16, 2021 09:39	4,743	28,257,495	13,155,000	2,023,000	2,531,328
9	May 16, 2021 09:39	4,743	35,045,173	14,165,000	1,011,000	2,441,216
10	May 16, 2021 09:39	4,743	29,549,018	14,165,000	1,011,000	2,445,312
11	May 16, 2021 09:39	4,744	35,216,224	14,169,000	1,012,000	2,265,088
12	May 16, 2021 09:39	4,746	32,334,234	13,163,000	2,025,000	2,535,424
13	May 16, 2021 09:39	4,751	32,158,233	14,189,000	1,013,000	2,269,184
14	May 16, 2021 09:39	4,751	34,745,835	14,191,000	1,013,000	2,531,328
15	May 16, 2021 09:39	4,754	33,754,756	13,186,000	2,028,000	2,531,328
16	May 16, 2021 09:39	4,757	40,454,862	14,207,000	1,014,000	2,269,184
17	May 16, 2021 09:39	4,760	32,432,591	13,202,000	2,031,000	2,269,184
18	May 16, 2021 09:39	4,765	34,622,027	13,216,000	2,033,000	2,441,216
19	May 16, 2021 09:39	4,767	30,177,693	13,220,000	2,033,000	2,531,328
20	May 16, 2021 09:39	4,768	29,574,286	13,224,000	2,034,000	2,441,216
21	May 16, 2021 09:39	4,772	29,091,456	14,252,000	1,018,000	2,441,216
22	May 16, 2021 09:39	4,775	36,821,661	14,263,000	1,018,000	2,437,120
23	May 16, 2021 09:39	4,777	34,336,868	14,266,000	1,019,000	2,445,312
24	May 16, 2021 09:39	4,777	33,847,931	14,267,000	1,019,000	2,265,088
25	May 16, 2021 09:39	4,780	39,271,097	14,278,000	1,019,000	2,441,216
26	May 16, 2021 09:39	4,782	37,199,647	15,301,000	0	2,531,328
27	May 16, 2021 09:39	4,796	41,968,155	13,302,000	2,046,000	2,531,328
28	May 16, 2021 09:39	4,971	82,881,173	15,905,900	0	2,203,648
29	May 16, 2021 09:39	4,992	84,356,753	15,974,391	0	2,199,552
30	May 16, 2021 09:39	4,996	61,368,644	15,988,470	0	2,203,648
31	May 16, 2021 09:39	5,006	83,662,888	16,019,077	0	2,195,456
32	May 16, 2021 09:39	5,009	53,910,492	16,029,485	0	2,199,552
33	May 16, 2021 09:39	5,024	94,408,807	16,077,103	0	2,203,648
34	May 16, 2021 09:39	5,027	83,149,875	16,084,987	0	2,199,552
35	May 16, 2021 09:39	5,032	56,721,348	16,103,840	0	2,203,648
36	May 16, 2021 09:39	5,037	93,209,755	16,117,028	0	2,199,552

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