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 listMay 11, 2021 14:44

Andrey Tsvetkov

Score: 6,156

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 14:47	6,109	43,236,784	18,521,000	1,028,000	2,330,624
2	May 11, 2021 14:46	6,112	44,682,131	17,500,000	2,058,000	2,531,328
3	May 11, 2021 14:47	6,113	42,692,237	19,563,000	0	2,326,528
4	May 11, 2021 14:45	6,114	41,827,811	18,535,000	1,029,000	2,326,528
5	May 11, 2021 14:45	6,116	38,699,317	18,542,000	1,030,000	2,326,528
6	May 11, 2021 14:54	6,117	38,590,420	18,544,000	1,030,000	2,523,136
7	May 11, 2021 14:47	6,123	46,101,784	17,531,000	2,062,000	2,318,336
8	May 11, 2021 14:54	6,126	36,563,790	17,539,000	2,063,000	2,531,328
9	May 11, 2021 14:46	6,128	45,989,542	18,577,000	1,032,000	2,330,624
10	May 11, 2021 14:47	6,128	44,980,680	17,544,000	2,064,000	2,523,136
11	May 11, 2021 14:45	6,129	45,213,771	17,550,000	2,064,000	2,326,528
12	May 11, 2021 14:46	6,130	45,106,321	16,519,000	3,097,000	2,523,136
13	May 11, 2021 14:47	6,130	40,016,764	18,585,000	1,032,000	2,326,528
14	May 11, 2021 14:54	6,132	46,851,548	19,621,000	0	2,531,328
15	May 11, 2021 14:47	6,133	47,949,857	18,593,000	1,032,000	2,326,528
16	May 11, 2021 14:45	6,137	45,926,703	18,604,000	1,033,000	2,330,624
17	May 11, 2021 14:47	6,138	41,441,104	17,574,000	2,067,000	2,523,136
18	May 11, 2021 14:46	6,142	46,391,854	18,619,000	1,034,000	2,519,040
19	May 11, 2021 14:45	6,143	45,714,690	17,590,000	2,069,000	2,326,528
20	May 11, 2021 14:46	6,143	48,675,876	19,658,000	0	2,326,528
21	May 11, 2021 14:47	6,144	38,604,900	17,593,000	2,069,000	2,519,040
22	May 11, 2021 14:54	6,144	36,299,515	18,626,000	1,034,000	2,531,328
23	May 11, 2021 14:47	6,146	49,988,547	16,562,000	3,105,000	2,531,328
24	May 11, 2021 14:54	6,146	47,369,145	17,596,000	2,070,000	2,330,624
25	May 11, 2021 14:54	6,149	46,004,569	17,606,000	2,071,000	2,326,528
26	May 11, 2021 14:47	6,150	53,847,428	18,646,000	1,035,000	2,326,528
27	May 11, 2021 14:54	6,151	42,188,555	19,682,000	0	2,326,528
28	May 11, 2021 14:47	6,151	47,514,210	19,683,000	0	2,326,528
29	May 11, 2021 14:47	6,153	40,067,859	19,689,000	0	2,330,624
30	May 11, 2021 14:45	6,153	47,135,007	18,653,000	1,036,000	2,330,624
31	May 11, 2021 14:47	6,156	47,983,464	17,625,000	2,073,000	2,326,528
32	May 11, 2021 14:45	6,156	43,583,421	18,663,000	1,036,000	2,523,136
33	May 11, 2021 14:54	6,163	45,605,280	18,684,000	1,038,000	2,531,328
34	May 11, 2021 14:45	6,171	43,448,430	18,707,000	1,039,000	2,326,528
35	May 11, 2021 14:54	6,187	86,072,800	19,796,878	0	2,232,320
36	May 11, 2021 14:45	6,193	108,246,009	19,818,109	0	2,232,320
37	May 11, 2021 14:47	6,194	62,352,300	19,821,002	0	2,236,416
38	May 11, 2021 14:45	6,197	86,288,087	19,828,968	0	2,228,224
39	May 11, 2021 14:44	6,198	83,495,648	19,834,700	0	2,228,224
40	May 11, 2021 14:47	6,201	80,877,978	19,841,720	0	2,240,512
41	May 11, 2021 14:47	6,201	46,831,967	17,859,000	1,984,000	2,330,624
42	May 11, 2021 14:46	6,201	37,233,246	17,860,000	1,984,000	2,326,528
43	May 11, 2021 14:54	6,204	42,503,644	17,868,000	1,985,000	2,531,328
44	May 11, 2021 14:46	6,208	35,900,718	18,872,000	993,000	2,326,528
45	May 11, 2021 14:45	6,208	47,533,752	18,873,000	993,000	2,326,528
46	May 11, 2021 14:46	6,211	52,180,648	17,889,000	1,987,000	2,326,528
47	May 11, 2021 14:47	6,214	36,399,247	18,890,000	994,000	2,326,528
48	May 11, 2021 14:47	6,214	47,978,439	17,898,000	1,988,000	2,527,232
49	May 11, 2021 14:47	6,214	59,096,521	17,897,000	1,988,000	2,330,624
50	May 11, 2021 14:46	6,215	38,798,014	16,904,000	2,983,000	2,527,232
51	May 11, 2021 14:47	6,217	46,254,434	17,904,000	1,989,000	2,326,528
52	May 11, 2021 14:47	6,222	80,628,357	19,910,329	0	2,224,128
53	May 11, 2021 14:45	6,237	93,064,997	19,958,778	0	2,232,320
54	May 11, 2021 14:54	6,241	85,124,371	19,972,073	0	2,232,320
55	May 11, 2021 14:46	6,243	97,110,265	19,977,127	0	2,228,224
56	May 11, 2021 14:46	6,248	80,263,759	19,992,147	0	2,224,128
57	May 11, 2021 14:47	6,250	93,233,659	20,000,988	0	2,224,128
58	May 11, 2021 14:44	6,261	82,597,235	20,036,138	0	2,240,512
59	May 11, 2021 14:47	6,276	90,560,359	20,082,470	0	2,240,512
60	May 11, 2021 14:47	6,285	87,048,987	20,112,755	0	2,244,608
61	May 11, 2021 14:54	6,301	76,595,068	20,164,622	0	2,236,416
62	May 11, 2021 14:44	6,302	86,370,434	20,165,158	0	2,224,128
63	May 11, 2021 14:46	6,378	78,009,024	20,408,779	0	2,232,320

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