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 listJan 18, 2024 22:53

Franek Korta

Score: 4,646

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 18, 2024 22:53	4,563	33,568,456	14,602,000	0	2,269,184
2	Jan 18, 2024 22:51	4,564	41,117,554	14,605,000	0	2,445,312
3	Jan 18, 2024 22:51	4,568	31,656,857	14,619,000	0	2,269,184
4	Jan 18, 2024 22:51	4,568	37,807,964	12,528,000	2,088,000	2,269,184
5	Jan 18, 2024 22:51	4,569	35,066,556	14,621,000	0	2,437,120
6	Jan 18, 2024 22:53	4,569	40,662,937	13,578,000	1,044,000	2,527,232
7	Jan 18, 2024 22:51	4,571	28,241,376	12,538,000	2,089,000	2,445,312
8	Jan 18, 2024 22:53	4,572	36,318,378	11,496,000	3,135,000	2,449,408
9	Jan 18, 2024 22:53	4,574	33,049,605	14,637,000	0	2,269,184
10	Jan 18, 2024 22:53	4,578	40,564,722	14,649,000	0	2,445,312
11	Jan 18, 2024 22:53	4,581	40,006,242	14,658,000	0	2,437,120
12	Jan 18, 2024 22:51	4,583	34,603,129	10,476,000	4,190,000	2,445,312
13	Jan 18, 2024 22:53	4,586	34,068,314	13,627,000	1,048,000	2,453,504
14	Jan 18, 2024 22:51	4,588	40,881,327	13,635,000	1,048,000	2,445,312
15	Jan 18, 2024 22:53	4,592	34,182,592	14,695,000	0	2,527,232
16	Jan 18, 2024 22:53	4,594	35,379,144	14,701,000	0	2,269,184
17	Jan 18, 2024 22:51	4,594	34,077,707	14,702,000	0	2,437,120
18	Jan 18, 2024 22:53	4,595	29,607,179	14,703,000	0	2,441,216
19	Jan 18, 2024 22:51	4,597	51,812,498	14,711,000	0	2,269,184
20	Jan 18, 2024 22:53	4,599	39,579,416	13,666,000	1,051,000	2,269,184
21	Jan 18, 2024 22:53	4,601	36,974,658	13,672,000	1,051,000	2,273,280
22	Jan 18, 2024 22:53	4,611	30,217,437	13,702,000	1,054,000	2,445,312
23	Jan 18, 2024 22:53	4,619	30,459,928	14,782,000	0	2,445,312
24	Jan 18, 2024 22:53	4,639	31,585,240	13,855,000	989,000	2,269,184
25	Jan 18, 2024 22:53	4,646	30,554,272	12,884,000	1,982,000	2,441,216
26	Jan 18, 2024 22:53	4,646	29,735,765	13,875,000	991,000	2,531,328
27	Jan 18, 2024 22:53	4,647	40,831,026	13,880,000	991,000	2,269,184
28	Jan 18, 2024 22:53	4,648	37,457,894	13,884,000	991,000	2,441,216
29	Jan 18, 2024 22:53	4,650	35,313,965	14,881,000	0	2,531,328
30	Jan 18, 2024 22:53	4,650	31,875,904	14,881,000	0	2,531,328
31	Jan 18, 2024 22:53	4,651	34,027,081	13,890,000	992,000	2,265,088
32	Jan 18, 2024 22:53	4,651	44,671,967	12,899,000	1,984,000	2,269,184
33	Jan 18, 2024 22:53	4,651	29,635,419	12,898,000	1,984,000	2,269,184
34	Jan 18, 2024 22:53	4,652	38,446,282	13,895,000	992,000	2,437,120
35	Jan 18, 2024 22:53	4,653	44,244,171	12,905,000	1,985,000	2,441,216
36	Jan 18, 2024 22:53	4,655	31,667,067	13,903,000	993,000	2,445,312
37	Jan 18, 2024 22:53	4,819	76,736,433	15,421,034	0	2,191,360
38	Jan 18, 2024 22:51	4,831	83,699,534	15,457,742	0	2,199,552
39	Jan 18, 2024 22:51	4,837	60,869,365	15,477,689	0	2,203,648
40	Jan 18, 2024 22:53	4,838	101,514,310	15,481,429	0	2,256,896
41	Jan 18, 2024 22:53	4,839	91,308,865	15,485,286	0	2,203,648
42	Jan 18, 2024 22:53	4,850	83,753,341	15,520,129	0	2,199,552
43	Jan 18, 2024 22:51	4,855	75,786,163	15,536,941	0	2,195,456
44	Jan 18, 2024 22:53	4,862	72,502,871	15,558,523	0	2,199,552
45	Jan 18, 2024 22:53	4,874	80,902,435	15,596,432	0	2,199,552
46	Jan 18, 2024 22:53	4,879	61,555,092	15,611,742	0	2,199,552
47	Jan 18, 2024 22:53	4,881	79,522,424	15,619,842	0	2,199,552
48	Jan 18, 2024 22:53	4,886	75,516,242	15,636,632	0	2,199,552

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