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 listJun 5, 2021 16:45

evgenikwt

Score: 5,278

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 5, 2021 16:54	5,233	50,391,042	15,698,000	1,046,000	2,387,968
2	Jun 5, 2021 16:45	5,269	31,427,779	14,879,000	1,983,000	2,265,088
3	Jun 5, 2021 16:45	5,269	41,035,248	14,879,000	1,983,000	2,387,968
4	Jun 5, 2021 16:32	5,269	48,410,152	15,869,000	991,000	2,265,088
5	Jun 5, 2021 15:53	5,269	34,087,739	15,870,000	991,000	2,523,136
6	Jun 5, 2021 16:54	5,269	43,083,610	15,870,000	991,000	2,387,968
7	Jun 5, 2021 16:54	5,270	48,672,695	16,864,000	0	2,523,136
8	Jun 5, 2021 16:45	5,271	43,805,563	14,883,000	1,984,000	2,265,088
9	Jun 5, 2021 16:32	5,271	42,991,207	16,866,000	0	2,506,752
10	Jun 5, 2021 15:53	5,271	38,051,572	14,883,000	1,984,000	2,396,160
11	Jun 5, 2021 16:54	5,272	49,576,856	15,879,000	992,000	2,265,088
12	Jun 5, 2021 16:45	5,273	41,955,943	15,881,000	992,000	2,265,088
13	Jun 5, 2021 15:53	5,273	34,762,336	14,889,000	1,985,000	2,265,088
14	Jun 5, 2021 16:32	5,273	53,511,677	15,882,000	992,000	2,265,088
15	Jun 5, 2021 16:32	5,273	46,922,427	15,882,000	992,000	2,265,088
16	Jun 5, 2021 16:54	5,274	42,062,307	14,893,000	1,985,000	2,392,064
17	Jun 5, 2021 15:53	5,274	33,761,885	15,885,000	992,000	2,265,088
18	Jun 5, 2021 16:32	5,275	43,890,118	16,880,000	0	2,392,064
19	Jun 5, 2021 15:53	5,275	34,352,467	16,880,000	0	2,387,968
20	Jun 5, 2021 16:32	5,276	34,305,960	15,890,000	993,000	2,265,088
21	Jun 5, 2021 16:45	5,276	43,447,937	14,897,000	1,986,000	2,387,968
22	Jun 5, 2021 16:45	5,276	47,746,006	16,882,000	0	2,387,968
23	Jun 5, 2021 16:32	5,277	43,728,205	15,893,000	993,000	2,269,184
24	Jun 5, 2021 15:53	5,277	33,679,692	15,894,000	993,000	2,265,088
25	Jun 5, 2021 16:54	5,278	42,798,649	15,835,000	1,055,000	2,392,064
26	Jun 5, 2021 16:54	5,279	32,493,451	14,907,000	1,987,000	2,527,232
27	Jun 5, 2021 15:53	5,280	44,990,121	15,903,000	993,000	2,527,232
28	Jun 5, 2021 16:54	5,283	43,298,625	14,918,000	1,989,000	2,265,088
29	Jun 5, 2021 16:45	5,283	33,802,084	14,916,000	1,988,000	2,265,088
30	Jun 5, 2021 16:45	5,284	42,759,941	14,920,000	1,989,000	2,265,088
31	Jun 5, 2021 16:45	5,284	36,928,028	14,920,000	1,989,000	2,527,232
32	Jun 5, 2021 16:54	5,286	36,991,983	14,926,000	1,990,000	2,387,968
33	Jun 5, 2021 15:53	5,290	33,706,945	15,932,000	995,000	2,265,088
34	Jun 5, 2021 15:53	5,301	42,924,313	14,969,000	1,995,000	2,392,064
35	Jun 5, 2021 16:32	5,302	47,304,462	15,968,000	998,000	2,265,088
36	Jun 5, 2021 16:32	5,306	45,356,201	15,980,000	998,000	2,265,088
37	Jun 5, 2021 16:54	5,456	77,396,280	17,458,190	0	2,240,512
38	Jun 5, 2021 16:32	5,464	60,919,261	17,483,250	0	2,285,568
39	Jun 5, 2021 15:53	5,468	89,366,131	17,496,130	0	2,285,568
40	Jun 5, 2021 16:32	5,470	72,806,801	17,503,003	0	2,277,376
41	Jun 5, 2021 15:53	5,470	77,833,024	17,505,436	0	2,281,472
42	Jun 5, 2021 16:54	5,472	90,675,297	17,509,182	0	2,277,376
43	Jun 5, 2021 16:32	5,482	91,525,650	17,543,031	0	2,285,568
44	Jun 5, 2021 16:45	5,485	88,608,716	17,552,645	0	2,273,280
45	Jun 5, 2021 15:53	5,486	90,126,322	17,553,921	0	2,277,376
46	Jun 5, 2021 16:54	5,501	96,501,154	17,601,733	0	2,273,280
47	Jun 5, 2021 16:45	5,502	88,812,688	17,607,741	0	2,289,664
48	Jun 5, 2021 16:45	5,506	85,070,992	17,619,416	0	2,281,472

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