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 20, 2021 18:52

Andrey Tsvetkov

Score: 5,705

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 13, 2021 19:12	5,661	34,683,794	15,097,000	3,019,000	2,523,136
2	Jun 20, 2021 18:52	5,662	43,831,308	16,106,000	2,013,000	2,527,232
3	Jun 20, 2021 18:52	5,663	49,234,810	15,100,000	3,020,000	2,527,232
4	Jun 20, 2021 18:52	5,666	44,180,300	16,118,000	2,014,000	2,334,720
5	Jun 20, 2021 18:52	5,671	44,084,331	16,130,000	2,016,000	2,330,624
6	Jun 20, 2021 18:52	5,673	46,377,670	16,137,000	2,017,000	2,334,720
7	Jun 20, 2021 18:52	5,674	35,389,361	15,131,000	3,026,000	2,531,328
8	Jul 13, 2021 19:12	5,675	39,734,739	16,143,000	2,017,000	2,527,232
9	Jun 20, 2021 18:52	5,679	48,731,908	15,144,000	3,028,000	2,334,720
10	Jun 20, 2021 18:52	5,681	43,917,253	16,160,000	2,020,000	2,392,064
11	Jun 20, 2021 18:52	5,682	43,879,701	16,162,000	2,020,000	2,334,720
12	Jul 13, 2021 19:12	5,683	38,660,425	16,164,000	2,020,000	2,519,040
13	Jun 20, 2021 18:52	5,685	34,473,768	17,183,000	1,010,000	2,392,064
14	Jun 20, 2021 18:52	5,686	43,699,149	15,163,000	3,032,000	2,330,624
15	Jul 13, 2021 19:12	5,686	41,053,183	15,164,000	3,032,000	2,334,720
16	Jun 20, 2021 18:52	5,689	43,121,791	15,170,000	3,034,000	2,523,136
17	Jun 20, 2021 18:52	5,690	46,158,401	16,186,000	2,023,000	2,334,720
18	Jun 20, 2021 18:52	5,692	38,869,721	15,179,000	3,035,000	2,531,328
19	Jun 20, 2021 18:52	5,693	38,338,966	15,181,000	3,036,000	2,334,720
20	Jul 13, 2021 19:12	5,696	43,346,636	16,203,000	2,025,000	2,527,232
21	Jun 20, 2021 18:52	5,703	44,647,411	15,208,000	3,041,000	2,330,624
22	Jul 13, 2021 19:12	5,703	39,578,563	15,208,000	3,041,000	2,334,720
23	Jun 20, 2021 18:52	5,703	49,175,927	16,222,000	2,027,000	2,519,040
24	Jun 20, 2021 18:52	5,704	44,796,466	16,226,000	2,028,000	2,334,720
25	Jul 13, 2021 19:12	5,705	41,163,525	15,214,000	3,042,000	2,531,328
26	Jun 20, 2021 18:52	5,707	40,425,511	17,249,000	1,014,000	2,334,720
27	Jun 20, 2021 18:52	5,709	42,461,926	15,225,000	3,045,000	2,535,424
28	Jun 20, 2021 18:52	5,719	77,871,977	18,301,088	0	2,240,512
29	Jul 13, 2021 19:12	5,720	67,730,457	18,305,134	0	2,244,608
30	Jul 13, 2021 19:12	5,721	39,020,702	15,257,000	3,051,000	2,334,720
31	Jun 20, 2021 18:52	5,722	45,562,563	16,277,000	2,034,000	2,527,232
32	Jun 20, 2021 18:52	5,723	44,216,085	15,263,000	3,052,000	2,535,424
33	Jun 20, 2021 18:52	5,723	39,052,399	16,279,000	2,034,000	2,527,232
34	Jun 20, 2021 18:52	5,723	83,034,631	18,312,209	0	2,232,320
35	Jul 13, 2021 19:12	5,725	34,703,292	16,286,000	2,035,000	2,531,328
36	Jul 13, 2021 19:12	5,725	76,520,539	18,320,481	0	2,248,704
37	Jun 20, 2021 18:52	5,725	94,329,527	18,318,620	0	2,232,320
38	Jun 20, 2021 18:52	5,732	41,314,212	15,286,000	3,057,000	2,531,328
39	Jun 20, 2021 18:52	5,734	48,874,138	15,291,000	3,058,000	2,334,720
40	Jun 20, 2021 18:52	5,736	41,938,188	15,296,000	3,059,000	2,334,720
41	Jun 20, 2021 18:52	5,741	96,706,158	18,372,699	0	2,236,416
42	Jun 20, 2021 18:52	5,745	79,745,866	18,382,464	0	2,236,416
43	Jun 20, 2021 18:52	5,747	35,382,540	16,348,000	2,043,000	2,334,720
44	Jul 13, 2021 19:12	5,751	86,915,618	18,403,217	0	2,232,320
45	Jun 20, 2021 18:52	5,862	85,545,085	18,759,713	0	2,244,608
46	Jun 20, 2021 18:52	5,882	88,307,389	18,822,772	0	2,236,416
47	Jun 20, 2021 18:52	5,888	87,886,373	18,842,432	0	2,240,512
48	Jun 20, 2021 18:52	5,914	86,836,138	18,925,951	0	2,240,512

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