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 listDec 22, 2021 04:42

Yuriy Lyfenko

Score: 5,694

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 22, 2021 04:18	5,599	541,096,575	16,863,000	1,053,000	2,338,816
2	Dec 22, 2021 04:18	5,635	539,859,029	16,973,000	1,060,000	2,334,720
3	Dec 22, 2021 04:42	5,636	538,969,184	18,034,000	0	2,334,720
4	Dec 22, 2021 04:42	5,637	541,085,491	18,038,000	0	2,334,720
5	Dec 22, 2021 04:40	5,644	540,217,557	16,998,000	1,062,000	2,347,008
6	Dec 22, 2021 04:29	5,644	552,157,647	18,060,000	0	2,338,816
7	Dec 22, 2021 04:40	5,645	545,794,134	17,001,000	1,062,000	2,326,528
8	Dec 22, 2021 04:40	5,649	546,394,295	17,014,000	1,063,000	2,334,720
9	Dec 22, 2021 04:29	5,651	541,853,586	18,082,000	0	2,334,720
10	Dec 22, 2021 04:29	5,651	544,260,847	18,083,000	0	2,334,720
11	Dec 22, 2021 04:40	5,652	545,846,560	15,959,000	2,127,000	2,334,720
12	Dec 22, 2021 04:18	5,652	544,214,680	17,022,000	1,063,000	2,338,816
13	Dec 22, 2021 04:18	5,655	544,821,596	18,096,000	0	2,330,624
14	Dec 22, 2021 04:29	5,657	547,918,762	18,102,000	0	2,334,720
15	Dec 22, 2021 04:40	5,662	543,710,300	18,119,000	0	2,334,720
16	Dec 22, 2021 04:40	5,663	543,398,766	17,056,000	1,066,000	2,453,504
17	Dec 22, 2021 04:18	5,666	543,258,083	17,065,000	1,066,000	2,334,720
18	Dec 22, 2021 04:29	5,670	546,528,227	18,145,000	0	2,334,720
19	Dec 22, 2021 04:18	5,672	551,753,265	17,083,000	1,067,000	2,334,720
20	Dec 22, 2021 04:42	5,673	548,260,830	17,087,000	1,067,000	2,334,720
21	Dec 22, 2021 04:40	5,674	546,805,807	17,089,000	1,068,000	2,334,720
22	Dec 22, 2021 04:18	5,688	568,543,685	18,200,240	0	2,256,896
23	Dec 22, 2021 04:40	5,690	590,163,313	18,207,093	0	2,256,896
24	Dec 22, 2021 04:42	5,693	577,766,760	18,216,394	0	2,256,896
25	Dec 22, 2021 04:29	5,694	583,005,453	18,221,780	0	2,252,800
26	Dec 22, 2021 04:18	5,710	579,117,054	18,271,967	0	2,289,664
27	Dec 22, 2021 04:40	5,712	571,846,355	18,278,685	0	2,256,896
28	Dec 22, 2021 04:29	5,713	573,408,219	18,282,248	0	2,285,568
29	Dec 22, 2021 04:42	5,713	573,414,075	18,282,158	0	2,297,856
30	Dec 22, 2021 04:29	5,718	545,212,513	16,373,000	1,926,000	2,334,720
31	Dec 22, 2021 04:40	5,720	547,381,355	16,270,000	2,033,000	2,334,720
32	Dec 22, 2021 04:42	5,720	546,308,623	16,270,000	2,033,000	2,334,720
33	Dec 22, 2021 04:40	5,723	544,373,306	17,295,000	1,017,000	2,334,720
34	Dec 22, 2021 04:42	5,723	548,998,562	17,350,000	963,000	2,334,720
35	Dec 22, 2021 04:18	5,725	543,888,730	16,284,000	2,035,000	2,334,720
36	Dec 22, 2021 04:42	5,728	548,851,125	16,295,000	2,036,000	2,334,720
37	Dec 22, 2021 04:18	5,728	548,553,661	17,312,000	1,018,000	2,322,432
38	Dec 22, 2021 04:29	5,730	546,920,388	15,441,000	2,895,000	2,334,720
39	Dec 22, 2021 04:42	5,731	552,368,912	17,321,000	1,018,000	2,334,720
40	Dec 22, 2021 04:29	5,733	543,779,485	17,325,000	1,019,000	2,330,624
41	Dec 22, 2021 04:29	5,733	544,470,276	16,306,000	2,038,000	2,334,720
42	Dec 22, 2021 04:18	5,737	584,929,352	18,359,281	0	2,252,800
43	Dec 22, 2021 04:42	5,740	545,023,464	15,467,000	2,900,000	2,334,720
44	Dec 22, 2021 04:29	5,746	582,369,217	18,388,021	0	2,301,952
45	Dec 22, 2021 04:40	5,746	571,655,912	18,386,788	0	2,256,896
46	Dec 22, 2021 04:42	5,753	579,065,934	18,409,662	0	2,252,800
47	Dec 22, 2021 04:42	5,777	544,987,313	15,568,000	2,919,000	2,334,720
48	Dec 22, 2021 04:18	5,784	546,124,814	14,613,000	3,896,000	2,334,720

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