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 listJul 27, 2024 18:31

Huynh

Score: 5,578

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 27, 2024 18:31	5,510	35,040,246	15,557,000	2,074,000	2,437,120
2	Jul 27, 2024 18:31	5,514	49,193,708	17,644,000	0	2,265,088
3	Jul 27, 2024 18:03	5,515	44,207,750	17,649,000	0	2,531,328
4	Jul 27, 2024 18:33	5,515	42,976,852	17,647,000	0	2,428,928
5	Jul 27, 2024 18:03	5,520	49,386,176	16,624,000	1,039,000	2,269,184
6	Jul 27, 2024 18:33	5,522	46,851,697	16,632,000	1,039,000	2,531,328
7	Jul 27, 2024 18:31	5,523	34,311,488	15,595,000	2,079,000	2,433,024
8	Jul 27, 2024 18:03	5,523	38,178,742	16,636,000	1,039,000	2,424,832
9	Jul 27, 2024 18:31	5,524	50,492,889	16,638,000	1,039,000	2,269,184
10	Jul 27, 2024 18:03	5,531	42,863,729	17,700,000	0	2,514,944
11	Jul 27, 2024 18:33	5,533	48,005,049	16,665,000	1,041,000	2,428,928
12	Jul 27, 2024 18:33	5,534	46,356,595	16,669,000	1,041,000	2,437,120
13	Jul 27, 2024 18:33	5,535	39,358,727	16,670,000	1,041,000	2,269,184
14	Jul 27, 2024 18:03	5,536	41,468,851	16,674,000	1,042,000	2,437,120
15	Jul 27, 2024 18:31	5,538	36,865,301	17,723,000	0	2,433,024
16	Jul 27, 2024 18:03	5,538	41,873,338	17,721,000	0	2,527,232
17	Jul 27, 2024 18:03	5,538	41,731,586	16,679,000	1,042,000	2,531,328
18	Jul 27, 2024 18:31	5,574	33,068,420	15,855,000	1,981,000	2,531,328
19	Jul 27, 2024 18:33	5,578	44,152,942	15,867,000	1,983,000	2,424,832
20	Jul 27, 2024 18:33	5,581	45,141,166	15,874,000	1,984,000	2,531,328
21	Jul 27, 2024 18:31	5,583	48,961,362	16,875,000	992,000	2,527,232
22	Jul 27, 2024 18:03	5,584	33,490,861	15,884,000	1,985,000	2,531,328
23	Jul 27, 2024 18:33	5,584	44,131,366	15,884,000	1,985,000	2,531,328
24	Jul 27, 2024 18:33	5,585	35,318,710	15,886,000	1,985,000	2,428,928
25	Jul 27, 2024 18:31	5,586	46,089,884	16,881,000	993,000	2,531,328
26	Jul 27, 2024 18:03	5,587	45,020,294	16,886,000	993,000	2,433,024
27	Jul 27, 2024 18:31	5,588	45,445,673	17,882,000	0	2,269,184
28	Jul 27, 2024 18:03	5,807	73,879,962	18,582,976	0	2,191,360
29	Jul 27, 2024 18:03	5,822	95,120,514	18,630,929	0	2,183,168
30	Jul 27, 2024 18:31	5,823	84,774,062	18,633,715	0	2,191,360
31	Jul 27, 2024 18:31	5,823	64,197,541	18,632,831	0	2,179,072
32	Jul 27, 2024 18:33	5,830	86,577,165	18,656,155	0	2,191,360
33	Jul 27, 2024 18:33	5,834	76,359,416	18,668,938	0	2,203,648
34	Jul 27, 2024 18:33	5,841	97,327,962	18,689,630	0	2,179,072
35	Jul 27, 2024 18:03	5,845	90,135,440	18,703,251	0	2,170,880
36	Jul 27, 2024 18:31	5,855	94,115,180	18,736,788	0	2,183,168

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