Blue color from RGBA

Extract the Blue channel from a stream of RGBA pixels as fast as possible.

Input: 125 000 000 pixels in binary RGBA format on STDIN (4 bytes per pixel: R, G, B, A).

Output: Write only the Blue byte of each pixel to STDOUT (125 000 000 bytes total).

Restrictions:30s256Mb 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 4, 2025 23:20

Aniruddha DebScore: 3,131Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 5, 2025 14:23	3,108	63,779,692	30,654,000	12,855,000	126,263,296
2	May 5, 2025 15:18	3,108	70,122,791	30,661,000	12,857,000	126,169,088
3	May 4, 2025 23:21	3,110	66,599,836	30,671,000	12,862,000	126,267,392
4	May 5, 2025 14:30	3,110	69,813,636	30,679,000	12,865,000	126,263,296
5	May 5, 2025 14:06	3,111	66,882,387	27,712,000	15,835,000	126,001,152
6	May 5, 2025 14:38	3,111	68,423,210	29,699,000	13,859,000	126,177,280
7	May 5, 2025 14:38	3,112	67,187,545	30,694,000	12,871,000	126,164,992
8	May 5, 2025 14:45	3,112	66,965,428	30,693,000	12,871,000	126,177,280
9	May 5, 2025 15:01	3,112	65,005,093	31,690,000	11,883,000	126,263,296
10	May 4, 2025 23:20	3,113	67,361,629	29,717,000	13,868,000	126,005,248
11	May 5, 2025 14:03	3,113	69,883,467	30,707,000	12,877,000	126,173,184
12	May 5, 2025 14:06	3,113	71,383,454	31,694,000	11,885,000	126,263,296
13	May 5, 2025 14:06	3,113	69,424,056	29,717,000	13,868,000	126,001,152
14	May 5, 2025 14:38	3,113	67,783,445	30,705,000	12,876,000	126,267,392
15	May 5, 2025 14:33	3,114	72,972,418	30,712,000	12,879,000	126,164,992
16	May 5, 2025 14:23	3,115	68,052,141	28,739,000	14,865,000	126,164,992
17	May 5, 2025 14:38	3,115	70,640,787	31,716,000	11,893,000	126,169,088
18	May 5, 2025 15:24	3,115	65,791,987	31,721,000	11,895,000	126,169,088
19	May 4, 2025 23:20	3,116	68,641,961	30,738,000	12,890,000	126,169,088
20	May 5, 2025 14:23	3,116	70,629,074	29,746,000	13,881,000	126,173,184
21	May 5, 2025 14:26	3,116	66,896,697	30,737,000	12,889,000	126,001,152
22	May 5, 2025 14:38	3,116	65,220,694	30,739,000	12,890,000	126,263,296
23	May 5, 2025 14:58	3,116	69,365,717	28,750,000	14,871,000	126,173,184
24	May 5, 2025 14:43	3,117	72,319,935	29,757,000	13,886,000	126,173,184
25	May 5, 2025 15:18	3,117	69,887,053	31,740,000	11,902,000	126,263,296
26	May 5, 2025 14:23	3,118	65,751,200	29,760,000	13,888,000	126,173,184
27	May 5, 2025 14:33	3,118	66,619,387	29,767,000	13,891,000	126,001,152
28	May 5, 2025 14:52	3,118	68,187,944	30,751,000	12,895,000	126,263,296
29	May 5, 2025 15:11	3,118	68,968,108	30,759,000	12,899,000	126,160,896
30	May 4, 2025 23:21	3,119	65,826,143	30,763,000	12,900,000	126,173,184
31	May 5, 2025 14:19	3,119	67,977,222	29,776,000	13,895,000	126,263,296
32	May 5, 2025 14:30	3,119	68,222,316	29,771,000	13,893,000	126,263,296
33	May 5, 2025 14:56	3,119	70,202,457	30,769,000	12,903,000	126,263,296
34	May 5, 2025 15:18	3,119	67,856,064	30,764,000	12,901,000	126,267,392
35	May 5, 2025 14:48	3,120	64,717,173	30,771,000	12,904,000	126,263,296
36	May 4, 2025 23:21	3,121	64,636,368	29,793,000	13,903,000	126,267,392
37	May 5, 2025 15:08	3,121	65,804,508	30,788,000	12,911,000	126,263,296
38	May 4, 2025 23:21	3,122	68,122,501	30,790,000	12,912,000	126,169,088
39	May 4, 2025 23:21	3,122	71,287,407	30,796,000	12,914,000	126,164,992
40	May 5, 2025 14:03	3,122	65,694,674	30,493,000	13,213,000	126,013,440
41	May 4, 2025 23:21	3,123	67,607,115	29,813,000	13,913,000	126,263,296
42	May 5, 2025 14:02	3,123	66,068,603	31,793,000	11,922,000	126,181,376
43	May 5, 2025 14:13	3,123	65,522,481	32,790,000	10,930,000	126,001,152
44	May 5, 2025 14:43	3,123	64,477,070	29,815,000	13,913,000	126,001,152
45	May 5, 2025 15:14	3,123	63,745,121	29,808,000	13,910,000	126,263,296
46	May 5, 2025 15:20	3,123	72,249,299	28,815,000	14,904,000	126,005,248
47	May 4, 2025 23:21	3,124	66,539,395	30,814,000	12,922,000	126,263,296
48	May 4, 2025 23:21	3,124	68,557,953	29,820,000	13,916,000	126,173,184
49	May 5, 2025 14:16	3,125	63,092,135	30,822,000	12,925,000	126,263,296
50	May 5, 2025 14:45	3,125	67,245,841	30,827,000	12,927,000	126,263,296
51	May 5, 2025 15:05	3,125	63,899,941	30,826,000	12,927,000	126,263,296
52	May 5, 2025 15:18	3,125	66,770,933	31,823,000	11,933,000	126,263,296
53	May 4, 2025 23:21	3,126	63,626,506	30,832,000	12,929,000	126,263,296
54	May 4, 2025 23:21	3,126	66,695,482	31,826,000	11,934,000	126,263,296
55	May 5, 2025 14:09	3,126	62,639,795	29,843,000	13,927,000	126,263,296
56	May 5, 2025 14:16	3,126	63,955,456	31,825,000	11,934,000	126,177,280
57	May 5, 2025 14:30	3,126	65,041,591	30,831,000	12,929,000	126,263,296
58	May 5, 2025 14:30	3,126	67,097,863	31,827,000	11,935,000	126,263,296
59	May 5, 2025 15:08	3,126	65,125,348	31,825,000	11,934,000	126,173,184
60	May 4, 2025 23:21	3,127	64,025,979	31,835,000	11,938,000	126,173,184
61	May 5, 2025 14:56	3,127	73,421,259	31,556,000	12,215,000	126,164,992
62	May 5, 2025 15:05	3,127	67,952,325	28,852,000	14,923,000	126,164,992
63	May 5, 2025 14:06	3,128	64,176,780	30,852,000	12,938,000	126,263,296
64	May 5, 2025 14:52	3,128	70,023,403	32,846,000	10,948,000	126,263,296
65	May 5, 2025 14:48	3,129	69,672,472	28,874,000	14,935,000	126,169,088
66	May 5, 2025 14:06	3,130	64,439,027	31,872,000	11,952,000	126,177,280
67	May 5, 2025 14:09	3,130	66,952,380	31,873,000	11,952,000	126,267,392
68	May 5, 2025 14:30	3,130	65,028,688	30,877,000	12,948,000	126,160,896
69	May 5, 2025 14:45	3,130	68,411,021	32,870,000	10,956,000	126,177,280
70	May 5, 2025 15:11	3,130	70,086,133	32,861,000	10,953,000	126,263,296
71	May 4, 2025 23:21	3,131	66,134,037	31,878,000	11,954,000	126,173,184
72	May 4, 2025 23:21	3,131	68,664,726	29,884,000	13,945,000	126,001,152
73	May 5, 2025 14:06	3,131	77,428,544	30,881,000	12,950,000	126,177,280
74	May 5, 2025 14:23	3,131	65,727,648	30,885,000	12,952,000	126,263,296
75	May 5, 2025 14:52	3,131	69,927,693	31,881,000	11,955,000	126,177,280
76	May 5, 2025 15:01	3,131	68,311,313	29,884,000	13,946,000	126,173,184
77	May 5, 2025 15:24	3,131	64,055,952	32,879,000	10,959,000	126,263,296
78	May 5, 2025 15:18	3,132	65,041,692	28,900,000	14,948,000	126,267,392
79	May 4, 2025 23:21	3,133	65,867,858	32,895,000	10,965,000	126,255,104
80	May 5, 2025 14:19	3,133	68,599,448	31,903,000	11,963,000	126,263,296
81	May 5, 2025 15:14	3,133	65,699,542	30,903,000	12,959,000	126,160,896
82	May 5, 2025 15:20	3,133	68,552,061	32,894,000	10,964,000	126,263,296
83	May 5, 2025 14:13	3,134	68,501,603	30,913,000	12,963,000	126,263,296
84	May 5, 2025 14:26	3,134	64,843,190	32,909,000	10,969,000	126,160,896
85	May 5, 2025 14:06	3,135	63,399,896	32,917,000	10,972,000	126,001,152
86	May 5, 2025 14:23	3,135	68,515,435	29,922,000	13,964,000	126,263,296
87	May 5, 2025 15:11	3,135	64,773,301	31,924,000	11,971,000	126,177,280
88	May 5, 2025 15:18	3,135	66,648,625	30,924,000	12,968,000	126,160,896
89	May 5, 2025 15:14	3,136	66,282,730	33,924,000	9,977,000	126,263,296
90	May 4, 2025 23:20	3,137	65,780,339	29,945,000	13,974,000	126,263,296
91	May 5, 2025 15:24	3,137	64,739,835	32,939,000	10,979,000	126,173,184
92	May 4, 2025 23:20	3,138	66,689,984	29,954,000	13,978,000	126,267,392
93	May 4, 2025 23:21	3,138	66,272,773	30,948,000	12,978,000	126,263,296
94	May 5, 2025 14:02	3,138	71,340,575	33,943,000	9,983,000	126,173,184
95	May 5, 2025 14:06	3,138	69,691,434	32,951,000	10,983,000	126,173,184
96	May 5, 2025 14:23	3,138	63,769,343	31,947,000	11,980,000	126,169,088
97	May 5, 2025 14:38	3,138	67,028,158	26,958,000	16,973,000	126,001,152
98	May 4, 2025 23:21	3,139	68,392,997	32,957,000	10,985,000	126,267,392
99	May 5, 2025 14:26	3,139	65,421,274	31,957,000	11,983,000	126,263,296
100	May 5, 2025 15:18	3,139	69,439,753	29,963,000	13,982,000	126,263,296
101	May 5, 2025 14:03	3,140	63,767,168	30,974,000	12,989,000	126,263,296
102	May 5, 2025 14:38	3,140	77,574,122	31,973,000	11,990,000	126,160,896
103	May 5, 2025 15:18	3,140	66,778,040	32,968,000	10,989,000	126,177,280
104	May 5, 2025 14:02	3,141	65,897,946	28,986,000	14,993,000	126,169,088
105	May 5, 2025 14:30	3,141	65,762,038	31,982,000	11,993,000	126,267,392
106	May 5, 2025 15:01	3,141	69,061,916	32,976,000	10,992,000	126,177,280
107	May 4, 2025 23:21	3,142	66,463,883	29,996,000	13,998,000	126,263,296
108	May 5, 2025 14:06	3,142	66,074,573	32,994,000	10,998,000	126,263,296
109	May 4, 2025 23:21	3,143	65,949,466	30,000,000	14,000,000	126,263,296
110	May 5, 2025 14:30	3,143	66,645,744	30,004,000	14,002,000	126,263,296
111	May 4, 2025 23:21	3,144	65,972,067	30,013,000	14,006,000	126,173,184
112	May 5, 2025 14:09	3,144	69,063,032	30,015,000	14,007,000	126,267,392
113	May 5, 2025 14:19	3,144	65,935,538	32,012,000	12,004,000	126,001,152
114	May 5, 2025 14:16	3,145	67,718,689	32,026,000	12,010,000	126,173,184
115	May 5, 2025 14:58	3,145	71,491,176	31,024,000	13,010,000	126,267,392
116	May 4, 2025 23:20	3,146	71,205,652	32,027,000	12,010,000	126,001,152
117	May 4, 2025 23:20	3,146	64,141,311	34,032,000	10,009,000	126,177,280
118	May 5, 2025 14:38	3,146	68,984,240	28,029,000	16,017,000	126,263,296
119	May 5, 2025 15:05	3,146	70,149,551	34,036,000	10,010,000	126,263,296
120	May 5, 2025 14:13	3,147	70,436,373	33,042,000	11,014,000	126,263,296
121	May 5, 2025 14:43	3,147	70,665,091	29,038,000	15,019,000	126,263,296
122	May 5, 2025 14:56	3,147	66,352,670	32,047,000	12,017,000	126,001,152
123	May 5, 2025 14:58	3,147	67,149,925	34,049,000	10,014,000	126,263,296
124	May 5, 2025 15:18	3,147	65,221,869	32,039,000	12,014,000	126,263,296
125	May 4, 2025 23:20	3,148	67,906,520	31,053,000	13,022,000	126,263,296
126	May 5, 2025 14:48	3,148	65,211,522	33,052,000	11,017,000	126,177,280
127	May 5, 2025 15:20	3,148	64,278,396	33,049,000	11,016,000	126,259,200
128	May 4, 2025 23:21	3,150	64,515,359	30,064,000	14,030,000	126,263,296
129	May 5, 2025 14:23	3,150	65,006,754	33,073,000	11,024,000	126,263,296
130	May 5, 2025 14:30	3,151	67,936,768	34,088,000	10,026,000	126,001,152
131	May 4, 2025 23:21	3,152	73,604,149	34,102,000	10,030,000	126,173,184
132	May 4, 2025 23:21	3,153	69,367,372	30,092,000	14,043,000	126,169,088
133	May 4, 2025 23:21	3,154	72,433,986	34,124,000	10,036,000	126,001,152
134	May 5, 2025 15:08	3,156	64,531,864	26,110,000	18,076,000	126,267,392
135	May 4, 2025 23:20	3,157	69,167,725	33,148,000	11,049,000	126,173,184
136	May 5, 2025 14:38	3,157	73,527,602	33,149,000	11,049,000	126,173,184
137	May 5, 2025 14:30	3,162	70,035,583	32,199,000	12,074,000	126,005,248
138	May 4, 2025 23:21	3,163	68,573,686	35,229,000	9,059,000	126,263,296
139	May 5, 2025 14:33	3,163	65,653,788	34,215,000	10,063,000	126,005,248
140	May 4, 2025 23:20	3,164	64,394,368	33,217,000	11,072,000	126,255,104
141	May 5, 2025 14:23	3,176	70,335,614	32,338,000	12,126,000	126,001,152

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