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0f05bf368d16aaf95de1768b9323a18e31ad0eac
scriptc/packages/runtime/src
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Malte Ubl 0f05bf368d Pre-fault only for large slices and heaps 
The first version committed memory ahead for every program: the heap's
16 MiB top pad was faulted in as soon as the helper started, and every
slice past its first 256 KiB faulted the next chunk ahead. A small server
(runtime suite http-api) peaked at 20.7 MiB instead of 4.4 MiB.

- The helper now only watches the break until the heap has grown by
  32 MiB; only then does it set the top pad and fault growth in ahead.
  Smaller heaps keep glibc's defaults, including its dynamic mmap
  threshold, which any top-pad mallopt fixes.
- A slice faults ahead only once it has carved 1 MiB, so lightly used
  classes commit nothing extra (and a program that never fills one does
  not start the helper at all).
2026-10-11 13:07:04 -07:00
..
scr_abort.c
Expand static three.js workflows and host integration (#621)
2026-10-02 19:56:34 -05:00
scr_alloc.c
Pre-fault only for large slices and heaps
2026-10-11 13:07:04 -07:00
scr_alloc.test.c
Pre-fault allocator memory on a helper thread (Linux)
2026-10-11 12:38:24 -07:00
scr_alloc.test.ts
runtime: return an exiting worker thread's free pages to the system
2026-10-11 07:08:22 -07:00
scr_array.c
Publish typed object graphs to workers by reference (@scriptc/threads)
2026-10-10 01:00:36 -05:00
scr_assert.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_async_dyn.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_async.c
Read the macOS worker stack guard from a thread-specific-data slot
2026-10-11 06:39:43 -07:00
scr_async.test.c
fix(runtime): commit fiber stacks on demand (#478)
2026-09-26 19:09:54 -05:00
scr_async.test.ts
Enforce linting and consistent source formatting
2026-10-05 17:51:24 -05:00
scr_bigint_assert.c
Add static-native BigInt support (#346)
2026-09-18 00:21:12 -05:00
scr_bigint.c
Expand native collection keys and construction
2026-10-05 09:32:14 -05:00
scr_bytes_io.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_bytes.c
Encode ASCII runs eight bytes at a time in Buffer#write
2026-10-09 10:10:22 -07:00
scr_bytes.test.c
Optimize typed-array numeric processing (#709)
2026-10-06 13:07:11 -05:00
scr_child.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_closure.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_collation_data.h
Make compile blockers and Node differences actionable (#786)
2026-10-09 10:30:31 -05:00
scr_console_native.c
Compile Effect generators statically (#589)
2026-09-30 14:25:29 -05:00
scr_console.c
Prepare v0.2.8
2026-10-10 10:08:39 -05:00
scr_context.c
Read the macOS worker stack guard from a thread-specific-data slot
2026-10-11 06:39:43 -07:00
scr_context.test.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_context.test.ts
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_copying.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_crypto_async.c
Add Node 24 scrypt, HKDF, and SHA-2 crypto support (#626)
2026-10-03 01:47:42 -05:00
scr_cycle.c
Widen the old level's growth fraction two doublings at a time
2026-10-10 20:45:39 -07:00
scr_dc.c
Promote canary to main (#738)
2026-10-08 11:00:13 -05:00
scr_dgram.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_dyn_handle.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_dyn_invoke.c
Access live array references one element at a time
2026-10-10 14:24:13 -07:00
scr_error.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_events_emitter.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_events.c
Test an exact per-thread pending word in ELF worker executables
2026-10-11 06:39:42 -07:00
scr_exception.c
Test an exact per-thread pending word in ELF worker executables
2026-10-11 06:39:42 -07:00
scr_fetch_curl.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_fetch.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_ffi_queue.c
feat(ffi): marshal foreign-thread callbacks (#164)
2026-08-16 22:59:02 -05:00
scr_ffi.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_file_handle.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_grapheme_data.h
Support native runtime values used by OpenTUI
2026-09-28 19:01:50 -05:00
scr_grapheme.c
Support native runtime values used by OpenTUI
2026-09-28 19:01:50 -05:00
scr_http2.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_http.c
Send HTTP response heads with their bodies and trim per-request server work
2026-10-08 15:42:37 -05:00
scr_inspect_island.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_inspect.c
Make compile blockers and Node differences actionable (#786)
2026-10-09 10:30:31 -05:00
scr_island_manifest.h
Add Node 24 readable stream readers, controllers, and tee (#661)
2026-10-04 06:07:41 -05:00
scr_island.c
Keep the engine stack budget at half the fiber stack
2026-10-09 17:54:40 -05:00
scr_json.c
Access live array references one element at a time
2026-10-10 14:24:13 -07:00
scr_json.test.c
Sync runtime and compiler updates into canary
2026-10-08 17:41:20 -05:00
scr_json.test.ts
Route strings, arrays and emitted records through the small-object allocator
2026-10-08 15:01:26 -05:00
scr_key.h
Cache string Map key hashes in the string header
2026-10-08 15:40:53 -05:00
scr_lib.c
Merge pull request #836 from vercel-labs/perf/parmem
2026-10-11 12:55:51 -05:00
scr_library.c
Compile embeddable Wasm modules with host imports
2026-09-30 01:09:15 -05:00
scr_loop_epoll.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_loop_kqueue.c
init
2026-07-22 18:08:04 -05:00
scr_loop_wsapoll.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_mailbox.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_mailbox.h
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_mailbox.test.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_mailbox.test.ts
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_map.c
runtime: keep a map's storage when clear() finds no entries
2026-10-11 06:39:40 -07:00
scr_map.test.c
runtime: size a cloned map's direct index for its own keys
2026-10-11 06:39:40 -07:00
scr_map.test.ts
Index number-keyed Maps and Sets directly when keys are small integers
2026-10-09 10:10:20 -07:00
scr_message.c
Tell LeakSanitizer that published objects are immortal
2026-10-11 06:39:41 -07:00
scr_message.h
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_message.test.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_message.test.ts
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_musl.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_net_island.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_net.c
Send HTTP response heads with their bodies and trim per-request server work
2026-10-08 15:42:37 -05:00
scr_node_builtin.c
Support Node 24 system error utilities (#646)
2026-10-03 18:34:51 -05:00
scr_number.c
Fast paths for number<->string conversion (Number/parseFloat, toFixed, two-decimal String)
2026-10-08 15:49:53 -05:00
scr_numeric.h
Optimize typed-array numeric processing (#709)
2026-10-06 13:07:11 -05:00
scr_numeric.test.c
Optimize typed-array numeric processing (#709)
2026-10-06 13:07:11 -05:00
scr_numeric.test.ts
Optimize typed-array numeric processing (#709)
2026-10-06 13:07:11 -05:00
scr_object.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_path.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_platform.h
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_publish.c
Tell LeakSanitizer that published objects are immortal
2026-10-11 06:39:41 -07:00
scr_qs.c
Expand static three.js workflows and host integration (#621)
2026-10-02 19:56:34 -05:00
scr_readline.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_regex_native.h
Walk native regex first-byte analysis with a heap worklist
2026-10-08 15:19:12 -05:00
scr_regex.c
Cache proven ASCII in the string header and read it inline
2026-10-09 10:10:21 -07:00
scr_runtime.h
Merge pull request #854 from vercel-labs/perf/exception-flag-main
2026-10-11 14:06:38 -05:00
scr_shared.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_shared.test.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_shared.test.ts
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_stream.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_string.c
Publish deeply frozen plain-data graphs to workers without copying
2026-10-10 00:57:58 -05:00
scr_symbol.c
Support Node 24 text utilities (#647)
2026-10-03 19:21:34 -05:00
scr_system_errors.h
Support Node 24 system error utilities (#646)
2026-10-03 18:34:51 -05:00
scr_test.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_text_decoder_data.h
feat: support static non-UTF-8 TextDecoder labels (#111)
2026-08-09 23:15:51 -05:00
scr_text_decoder_labels.h
Expand Node 24 text-encoding support (#629)
2026-10-03 05:38:29 -05:00
scr_tls_ca.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_tls.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_union.c
Publish typed object graphs to workers by reference (@scriptc/threads)
2026-10-10 01:00:36 -05:00
scr_url_internal.h
Add Node 24 URL authority and protocol mutation support (#658)
2026-10-04 04:14:12 -05:00
scr_url_params.c
Add Node 24 URL mutation support (#654)
2026-10-04 01:57:10 -05:00
scr_url.c
Add Node 24 URL authority and protocol mutation support (#658)
2026-10-04 04:14:12 -05:00
scr_util_compare.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_util_style.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_util.c
Fix utility runtime dependencies in native builds
2026-10-04 21:18:58 -05:00
scr_watch.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_web.c
Add Node 24 readable stream readers, controllers, and tee (#661)
2026-10-04 06:07:41 -05:00
scr_win_stats.h
feat(fs): expose Stats disk metadata (#120)
2026-08-10 12:21:11 -05:00
scr_win.c
Make LLVM the sole production backend
2026-09-29 20:54:09 -05:00
scr_worker_events.c
Inline the buffered checks of runtime and emitted collector hooks
2026-10-09 10:10:25 -07:00
scr_worker.c
Merge remote-tracking branch 'origin/perf/exception-checks-main' into HEAD
2026-10-11 10:16:45 -07:00
scr_worker.h
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_worker.test.c
Grow the descriptor table before worker threads share it
2026-10-11 06:42:16 -07:00
scr_worker.test.ts
Add native workers and shared memory
2026-10-07 19:07:02 -05:00
scr_zlib_island.c
refactor: clarify compiler module boundaries (#232)
2026-08-23 20:16:13 -05:00
scr_zlib.c
Add native workers and shared memory
2026-10-07 19:07:02 -05:00