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 19, 2024 12:03

Matt Stuchlik

Score: 5,334

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2024 12:10	5,285	38,066,735	14,923,000	1,989,000	2,523,136
2	Jul 19, 2024 12:10	5,290	40,570,343	14,938,000	1,991,000	2,289,664
3	Jul 19, 2024 12:03	5,294	46,121,533	14,949,000	1,993,000	2,265,088
4	Jul 19, 2024 12:03	5,297	43,285,929	14,956,000	1,994,000	2,289,664
5	Jul 19, 2024 12:03	5,300	40,391,475	14,965,000	1,995,000	2,273,280
6	Jul 19, 2024 12:03	5,301	33,691,226	15,966,000	997,000	2,269,184
7	Jul 19, 2024 12:10	5,301	41,820,851	15,965,000	997,000	2,289,664
8	Jul 19, 2024 12:03	5,302	42,895,894	14,971,000	1,996,000	2,289,664
9	Jul 19, 2024 12:10	5,310	40,663,012	14,993,000	1,999,000	2,277,376
10	Jul 19, 2024 12:03	5,313	41,437,982	15,003,000	2,000,000	2,289,664
11	Jul 19, 2024 12:03	5,313	40,460,912	15,001,000	2,000,000	2,269,184
12	Jul 19, 2024 12:03	5,316	43,553,825	16,012,000	1,000,000	2,527,232
13	Jul 19, 2024 12:03	5,316	41,175,566	16,011,000	1,000,000	2,269,184
14	Jul 19, 2024 12:03	5,317	41,623,961	16,013,000	1,000,000	2,289,664
15	Jul 19, 2024 12:03	5,318	34,585,778	15,015,000	2,002,000	2,273,280
16	Jul 19, 2024 12:03	5,318	45,836,659	15,015,000	2,002,000	2,289,664
17	Jul 19, 2024 12:10	5,324	41,415,309	15,034,000	2,004,000	2,289,664
18	Jul 19, 2024 12:03	5,325	40,729,375	15,037,000	2,004,000	2,273,280
19	Jul 19, 2024 12:03	5,325	45,087,473	15,036,000	2,004,000	2,289,664
20	Jul 19, 2024 12:03	5,327	49,584,299	15,040,000	2,005,000	2,289,664
21	Jul 19, 2024 12:03	5,330	35,570,811	15,051,000	2,006,000	2,265,088
22	Jul 19, 2024 12:03	5,333	38,603,352	15,057,000	2,007,000	2,379,776
23	Jul 19, 2024 12:10	5,333	41,726,768	15,058,000	2,007,000	2,289,664
24	Jul 19, 2024 12:03	5,333	33,798,550	15,057,000	2,007,000	2,273,280
25	Jul 19, 2024 12:03	5,334	44,488,281	15,060,000	2,008,000	2,289,664
26	Jul 19, 2024 12:03	5,335	34,994,885	15,063,000	2,008,000	2,379,776
27	Jul 19, 2024 12:03	5,335	48,450,678	15,065,000	2,008,000	2,289,664
28	Jul 19, 2024 12:03	5,337	46,247,192	15,068,000	2,009,000	2,289,664
29	Jul 19, 2024 12:10	5,340	46,106,005	15,077,000	2,010,000	2,265,088
30	Jul 19, 2024 12:03	5,342	41,530,849	15,084,000	2,011,000	2,289,664
31	Jul 19, 2024 12:10	5,343	39,204,564	15,088,000	2,011,000	2,371,584
32	Jul 19, 2024 12:03	5,345	42,200,163	15,091,000	2,012,000	2,277,376
33	Jul 19, 2024 12:03	5,346	35,764,925	16,101,000	1,006,000	2,273,280
34	Jul 19, 2024 12:10	5,349	34,477,167	15,104,000	2,013,000	2,289,664
35	Jul 19, 2024 12:03	5,361	37,563,991	16,147,000	1,009,000	2,289,664
36	Jul 19, 2024 12:03	5,364	47,162,213	16,155,000	1,009,000	2,273,280
37	Jul 19, 2024 12:03	5,559	103,402,946	17,788,443	0	2,289,664
38	Jul 19, 2024 12:03	5,559	67,411,179	17,789,671	0	2,289,664
39	Jul 19, 2024 12:03	5,562	87,101,327	17,798,231	0	2,281,472
40	Jul 19, 2024 12:03	5,565	95,633,350	17,808,807	0	2,289,664
41	Jul 19, 2024 12:10	5,566	99,469,775	17,812,699	0	2,289,664
42	Jul 19, 2024 12:10	5,570	101,792,668	17,824,692	0	2,285,568
43	Jul 19, 2024 12:03	5,581	102,649,529	17,857,843	0	2,289,664
44	Jul 19, 2024 12:03	5,586	70,062,416	17,875,302	0	2,285,568
45	Jul 19, 2024 12:03	5,590	58,773,044	17,887,561	0	2,285,568
46	Jul 19, 2024 12:03	5,593	88,787,861	17,896,349	0	2,277,376
47	Jul 19, 2024 12:03	5,597	66,381,814	17,909,544	0	2,297,856
48	Jul 19, 2024 12:10	5,601	70,310,108	17,921,667	0	2,293,760

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