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 20, 2024 12:36

Matt Stuchlik

Score: 4,673

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 20, 2024 12:36	4,649	41,306,972	12,893,000	1,983,000	2,289,664
2	Jul 20, 2024 12:36	4,650	36,845,483	12,896,000	1,984,000	2,289,664
3	Jul 20, 2024 12:36	4,652	40,346,536	12,902,000	1,985,000	2,289,664
4	Jul 20, 2024 12:36	4,653	37,971,910	12,904,000	1,985,000	2,289,664
5	Jul 20, 2024 12:36	4,653	31,890,027	12,906,000	1,985,000	2,273,280
6	Jul 20, 2024 12:36	4,656	44,859,972	12,914,000	1,986,000	2,269,184
7	Jul 20, 2024 12:36	4,657	31,817,988	13,910,000	993,000	2,289,664
8	Jul 20, 2024 12:36	4,658	40,507,852	12,919,000	1,987,000	2,289,664
9	Jul 20, 2024 12:36	4,658	47,427,777	13,912,000	993,000	2,277,376
10	Jul 20, 2024 12:36	4,662	31,719,259	12,929,000	1,989,000	2,273,280
11	Jul 20, 2024 12:36	4,663	30,949,891	12,933,000	1,989,000	2,273,280
12	Jul 20, 2024 12:36	4,663	39,841,409	12,933,000	1,989,000	2,273,280
13	Jul 20, 2024 12:36	4,665	34,326,602	12,939,000	1,990,000	2,289,664
14	Jul 20, 2024 12:36	4,666	36,648,865	12,940,000	1,990,000	2,289,664
15	Jul 20, 2024 12:36	4,666	37,318,680	12,940,000	1,990,000	2,273,280
16	Jul 20, 2024 12:36	4,668	31,323,062	12,947,000	1,991,000	2,277,376
17	Jul 20, 2024 12:36	4,668	31,566,380	12,945,000	1,991,000	2,273,280
18	Jul 20, 2024 12:36	4,668	37,392,718	13,942,000	995,000	2,289,664
19	Jul 20, 2024 12:36	4,670	37,477,575	12,951,000	1,992,000	2,523,136
20	Jul 20, 2024 12:36	4,670	38,925,772	13,949,000	996,000	2,289,664
21	Jul 20, 2024 12:36	4,671	38,736,768	12,954,000	1,993,000	2,289,664
22	Jul 20, 2024 12:36	4,671	31,693,877	12,954,000	1,992,000	2,277,376
23	Jul 20, 2024 12:36	4,672	32,217,714	12,957,000	1,993,000	2,289,664
24	Jul 20, 2024 12:36	4,672	36,455,521	13,955,000	996,000	2,277,376
25	Jul 20, 2024 12:36	4,673	32,389,729	12,960,000	1,993,000	2,289,664
26	Jul 20, 2024 12:36	4,674	37,294,337	13,959,000	997,000	2,379,776
27	Jul 20, 2024 12:36	4,681	36,417,547	12,982,000	1,997,000	2,289,664
28	Jul 20, 2024 12:36	4,682	34,389,272	12,986,000	1,997,000	2,289,664
29	Jul 20, 2024 12:36	4,683	39,177,597	13,988,000	999,000	2,289,664
30	Jul 20, 2024 12:36	4,685	32,640,833	12,994,000	1,999,000	2,289,664
31	Jul 20, 2024 12:36	4,685	34,886,325	13,993,000	999,000	2,289,664
32	Jul 20, 2024 12:36	4,687	36,123,369	12,998,000	1,999,000	2,289,664
33	Jul 20, 2024 12:36	4,691	35,498,107	13,010,000	2,001,000	2,273,280
34	Jul 20, 2024 12:36	4,691	38,771,332	13,009,000	2,001,000	2,289,664
35	Jul 20, 2024 12:36	4,692	32,118,747	13,012,000	2,001,000	2,273,280
36	Jul 20, 2024 12:36	4,700	31,887,949	13,035,000	2,005,000	2,359,296
37	Jul 20, 2024 12:36	4,908	91,395,012	15,706,427	0	2,289,664
38	Jul 20, 2024 12:36	4,918	95,873,795	15,736,258	0	2,301,952
39	Jul 20, 2024 12:36	4,921	97,765,314	15,748,114	0	2,293,760
40	Jul 20, 2024 12:36	4,925	63,173,220	15,758,726	0	2,289,664
41	Jul 20, 2024 12:36	4,932	91,378,531	15,781,086	0	2,289,664
42	Jul 20, 2024 12:36	4,936	99,484,122	15,796,767	0	2,260,992
43	Jul 20, 2024 12:36	4,948	82,594,133	15,834,691	0	2,285,568
44	Jul 20, 2024 12:36	4,949	61,924,196	15,837,548	0	2,273,280
45	Jul 20, 2024 12:36	4,949	68,230,197	15,835,949	0	2,297,856
46	Jul 20, 2024 12:36	4,961	62,503,912	15,874,073	0	2,281,472
47	Jul 20, 2024 12:36	4,978	79,597,187	15,930,290	0	2,289,664
48	Jul 20, 2024 12:36	4,992	78,582,424	15,973,996	0	2,285,568

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