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 18, 2024 14:41

Matt Stuchlik

Score: 5,331

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 18, 2024 14:39	5,291	40,201,821	14,939,000	1,991,000	2,387,968
2	Jul 18, 2024 14:38	5,293	34,035,620	14,946,000	1,992,000	2,269,184
3	Jul 18, 2024 14:39	5,294	40,785,162	14,949,000	1,993,000	2,289,664
4	Jul 18, 2024 14:39	5,297	33,590,285	15,953,000	997,000	2,269,184
5	Jul 18, 2024 14:38	5,300	37,820,909	15,962,000	997,000	2,269,184
6	Jul 18, 2024 14:39	5,301	40,877,326	14,967,000	1,995,000	2,273,280
7	Jul 18, 2024 14:41	5,302	40,509,447	15,968,000	998,000	2,289,664
8	Jul 18, 2024 14:39	5,303	35,207,213	14,972,000	1,996,000	2,269,184
9	Jul 18, 2024 14:39	5,307	39,704,255	14,984,000	1,997,000	2,289,664
10	Jul 18, 2024 14:39	5,308	39,991,970	14,988,000	1,998,000	2,523,136
11	Jul 18, 2024 14:41	5,309	38,597,272	14,992,000	1,998,000	2,289,664
12	Jul 18, 2024 14:39	5,311	35,817,971	14,997,000	1,999,000	2,523,136
13	Jul 18, 2024 14:38	5,311	40,790,525	14,997,000	1,999,000	2,289,664
14	Jul 18, 2024 14:38	5,313	34,647,521	15,002,000	2,000,000	2,281,472
15	Jul 18, 2024 14:39	5,314	33,890,535	15,004,000	2,000,000	2,281,472
16	Jul 18, 2024 14:39	5,317	37,715,919	15,013,000	2,001,000	2,269,184
17	Jul 18, 2024 14:38	5,318	34,302,752	15,016,000	2,002,000	2,289,664
18	Jul 18, 2024 14:39	5,320	40,656,477	15,022,000	2,002,000	2,523,136
19	Jul 18, 2024 14:39	5,321	34,355,161	16,027,000	1,001,000	2,289,664
20	Jul 18, 2024 14:39	5,321	41,994,389	15,023,000	2,003,000	2,289,664
21	Jul 18, 2024 14:41	5,323	45,720,195	15,029,000	2,003,000	2,289,664
22	Jul 18, 2024 14:39	5,326	44,192,656	15,038,000	2,005,000	2,289,664
23	Jul 18, 2024 14:38	5,329	45,273,621	15,046,000	2,006,000	2,289,664
24	Jul 18, 2024 14:41	5,330	43,832,235	16,052,000	1,003,000	2,277,376
25	Jul 18, 2024 14:41	5,331	39,679,541	15,053,000	2,007,000	2,273,280
26	Jul 18, 2024 14:39	5,331	45,744,826	15,053,000	2,007,000	2,269,184
27	Jul 18, 2024 14:38	5,332	42,539,821	16,058,000	1,003,000	2,281,472
28	Jul 18, 2024 14:39	5,333	33,348,880	15,057,000	2,007,000	2,273,280
29	Jul 18, 2024 14:38	5,333	42,701,236	15,058,000	2,007,000	2,371,584
30	Jul 18, 2024 14:39	5,333	43,053,271	15,058,000	2,007,000	2,379,776
31	Jul 18, 2024 14:39	5,335	39,521,950	15,063,000	2,008,000	2,289,664
32	Jul 18, 2024 14:41	5,337	43,478,664	16,075,000	1,004,000	2,527,232
33	Jul 18, 2024 14:41	5,342	36,915,271	15,084,000	2,011,000	2,289,664
34	Jul 18, 2024 14:41	5,352	42,894,643	16,119,000	1,007,000	2,531,328
35	Jul 18, 2024 14:41	5,356	39,083,235	15,124,000	2,016,000	2,265,088
36	Jul 18, 2024 14:38	5,359	36,881,780	15,133,000	2,017,000	2,289,664
37	Jul 18, 2024 14:38	5,530	99,246,513	17,696,458	0	2,301,952
38	Jul 18, 2024 14:39	5,535	81,578,764	17,711,042	0	2,297,856
39	Jul 18, 2024 14:39	5,536	104,308,370	17,714,009	0	2,306,048
40	Jul 18, 2024 14:39	5,540	89,326,810	17,726,817	0	2,301,952
41	Jul 18, 2024 14:41	5,545	84,504,335	17,745,518	0	2,301,952
42	Jul 18, 2024 14:41	5,550	72,408,156	17,759,735	0	2,174,976
43	Jul 18, 2024 14:39	5,557	91,058,002	17,781,861	0	2,301,952
44	Jul 18, 2024 14:38	5,560	87,077,232	17,793,233	0	2,252,800
45	Jul 18, 2024 14:39	5,562	90,018,893	17,798,034	0	2,301,952
46	Jul 18, 2024 14:41	5,571	81,557,983	17,828,119	0	2,301,952
47	Jul 18, 2024 14:39	5,572	91,850,053	17,831,492	0	2,174,976
48	Jul 18, 2024 14:38	5,574	75,992,224	17,837,231	0	2,301,952

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