[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.] #  @_Felipe Felipe O. Carvalho Felipe O. Carvalho posts on X about rocksdb, zig, productivity, gpu the most. They currently have XXXXX followers and XX posts still getting attention that total XXX engagements in the last XX hours. ### Engagements: XXX [#](/creator/twitter::15040668/interactions)  - X Week XXXXX +878% - X Month XXXXXX +3,152% - X Months XXXXXX -XX% - X Year XXXXXXX -XX% ### Mentions: X [#](/creator/twitter::15040668/posts_active)  - X Week XX +86% - X Month XX +240% - X Months XX +96% - X Year XX -XX% ### Followers: XXXXX [#](/creator/twitter::15040668/followers)  - X Week XXXXX +0.36% - X Month XXXXX +0.58% - X Months XXXXX +0.26% - X Year XXXXX +4.60% ### CreatorRank: XXXXXXXXX [#](/creator/twitter::15040668/influencer_rank)  ### Social Influence [#](/creator/twitter::15040668/influence) --- **Social category influence** [stocks](/list/stocks) XXXX% [technology brands](/list/technology-brands) XXXX% **Social topic influence** [rocksdb](/topic/rocksdb) #1, [zig](/topic/zig) 6.67%, [productivity](/topic/productivity) 6.67%, [gpu](/topic/gpu) 6.67%, [virtual](/topic/virtual) XXXX% **Top accounts mentioned or mentioned by** [@arundsharma](/creator/undefined) [@lewisctech](/creator/undefined) [@rocksdb](/creator/undefined) [@ovaistariq](/creator/undefined) [@akrylysov](/creator/undefined) [@iavins](/creator/undefined) [@midwesthedgie](/creator/undefined) [@adamrackis](/creator/undefined) [@eigenform](/creator/undefined) [@scmeerkat](/creator/undefined) [@muratdemirbas](/creator/undefined) [@felixclc](/creator/undefined) [@aramh](/creator/undefined) [@statisticsftw](/creator/undefined) [@nicbarkeragain](/creator/undefined) [@klinovp](/creator/undefined) [@sc_meerkat](/creator/undefined) ### Top Social Posts [#](/creator/twitter::15040668/posts) --- Top posts by engagements in the last XX hours "@LewisCTech @iavins @RocksDB libc will give you all the posix syscalls. windows-sys gives you CreateFileMapping() and VirtualAlloc(). The crates you are talking about are layers on top of these OS functions. Wrap the unsafe code at your application code"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946891431575986304) 2025-07-20 11:14:23 UTC 4181 followers, XXX engagements "With well encapsulated unsafe code we should port LevelDB to Rust * to show how it can be done without any loss of performance. C++ can get you started quickly but long-term productivity is unlocked by using low-level Rust. * then @RocksDB"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946736648277926346) 2025-07-20 00:59:20 UTC 4183 followers, 4827 engagements "@LewisCTech It's context-dependent and granularity-dependent. A program can be deterministic even if parts of it are non-deterministic"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947089482290766010) 2025-07-21 00:21:22 UTC 4183 followers, XXX engagements "@eigenform @FelixCLC_ Thats why NVIDIA is really the CUDA compiler company not the GPU company 😀"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947081681623449747) 2025-07-20 23:50:22 UTC 4183 followers, XXX engagements "@aramh I agree C++ and Rust code that uses too many lambda expressions and/or boxed functions Boxdyn Fn or std::function is always awkward. Better to rely on class-based virtual dispatching"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947052196345885073) 2025-07-20 21:53:12 UTC 4182 followers, XXX engagements "Lifetime annotations so you never misuse a leveldb::Slice ever again"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946736650026959075) 2025-07-20 00:59:20 UTC 4181 followers, XXX engagements "@ovaistariq @RocksDB Gains wont offset the cost (its a big project) but the C++ APIs as they are require a lot of care to be used correctly. I say this as user and reviewer of other peoples code using these APIs. Rusts borrow checker gives safe guards that would allow more people to succeed"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946762578669048069) 2025-07-20 02:42:22 UTC 4180 followers, XXX engagements "@LewisCTech @RocksDB It's one crate per OS. It's easier to use the crate than to write your own bindings to libc win32 etc"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1946744531199656024) 2025-07-20 01:30:39 UTC 4180 followers, XXX engagements "@StatisticsFTW @nicbarkeragain They do But note that this optimization exploits UB so its not so aggressively exploited. If you have any byte thats considered true but is not X you will get the wrong product out of the multiplication"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947692315536986449) 2025-07-22 16:16:49 UTC 4183 followers, XXX engagements "@LewisCTech the easiest example comes from automata theory"  [@_Felipe](/creator/x/_Felipe) on [X](/post/tweet/1947090637725028796) 2025-07-21 00:25:57 UTC 4180 followers, XX engagements
[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]
Felipe O. Carvalho posts on X about rocksdb, zig, productivity, gpu the most. They currently have XXXXX followers and XX posts still getting attention that total XXX engagements in the last XX hours.
Social category influence stocks XXXX% technology brands XXXX%
Social topic influence rocksdb #1, zig 6.67%, productivity 6.67%, gpu 6.67%, virtual XXXX%
Top accounts mentioned or mentioned by @arundsharma @lewisctech @rocksdb @ovaistariq @akrylysov @iavins @midwesthedgie @adamrackis @eigenform @scmeerkat @muratdemirbas @felixclc @aramh @statisticsftw @nicbarkeragain @klinovp @sc_meerkat
Top posts by engagements in the last XX hours
"@LewisCTech @iavins @RocksDB libc will give you all the posix syscalls. windows-sys gives you CreateFileMapping() and VirtualAlloc(). The crates you are talking about are layers on top of these OS functions. Wrap the unsafe code at your application code" @_Felipe on X 2025-07-20 11:14:23 UTC 4181 followers, XXX engagements
"With well encapsulated unsafe code we should port LevelDB to Rust * to show how it can be done without any loss of performance. C++ can get you started quickly but long-term productivity is unlocked by using low-level Rust. * then @RocksDB" @_Felipe on X 2025-07-20 00:59:20 UTC 4183 followers, 4827 engagements
"@LewisCTech It's context-dependent and granularity-dependent. A program can be deterministic even if parts of it are non-deterministic" @_Felipe on X 2025-07-21 00:21:22 UTC 4183 followers, XXX engagements
"@eigenform @FelixCLC_ Thats why NVIDIA is really the CUDA compiler company not the GPU company 😀" @_Felipe on X 2025-07-20 23:50:22 UTC 4183 followers, XXX engagements
"@aramh I agree C++ and Rust code that uses too many lambda expressions and/or boxed functions Boxdyn Fn or std::function is always awkward. Better to rely on class-based virtual dispatching" @_Felipe on X 2025-07-20 21:53:12 UTC 4182 followers, XXX engagements
"Lifetime annotations so you never misuse a leveldb::Slice ever again" @_Felipe on X 2025-07-20 00:59:20 UTC 4181 followers, XXX engagements
"@ovaistariq @RocksDB Gains wont offset the cost (its a big project) but the C++ APIs as they are require a lot of care to be used correctly. I say this as user and reviewer of other peoples code using these APIs. Rusts borrow checker gives safe guards that would allow more people to succeed" @_Felipe on X 2025-07-20 02:42:22 UTC 4180 followers, XXX engagements
"@LewisCTech @RocksDB It's one crate per OS. It's easier to use the crate than to write your own bindings to libc win32 etc" @_Felipe on X 2025-07-20 01:30:39 UTC 4180 followers, XXX engagements
"@StatisticsFTW @nicbarkeragain They do But note that this optimization exploits UB so its not so aggressively exploited. If you have any byte thats considered true but is not X you will get the wrong product out of the multiplication" @_Felipe on X 2025-07-22 16:16:49 UTC 4183 followers, XXX engagements
"@LewisCTech the easiest example comes from automata theory" @_Felipe on X 2025-07-21 00:25:57 UTC 4180 followers, XX engagements
/creator/twitter::_Felipe