.IP NODE_DISABLE_COLORS
If set to 1 then colors will not be used in the REPL.
+.SH V8 OPTIONS
+
+ --crankshaft (use crankshaft)
+ type: bool default: false
+ --hydrogen_filter (hydrogen use/trace filter)
+ type: string default:
+ --use_hydrogen (use generated hydrogen for compilation)
+ type: bool default: true
+ --build_lithium (use lithium chunk builder)
+ type: bool default: true
+ --alloc_lithium (use lithium register allocator)
+ type: bool default: true
+ --use_lithium (use lithium code generator)
+ type: bool default: true
+ --use_range (use hydrogen range analysis)
+ type: bool default: true
+ --eliminate_dead_phis (eliminate dead phis)
+ type: bool default: true
+ --use_gvn (use hydrogen global value numbering)
+ type: bool default: true
+ --use_peeling (use loop peeling)
+ type: bool default: false
+ --use_canonicalizing (use hydrogen instruction canonicalizing)
+ type: bool default: true
+ --use_inlining (use function inlining)
+ type: bool default: true
+ --limit_inlining (limit code size growth from inlining)
+ type: bool default: true
+ --eliminate_empty_blocks (eliminate empty blocks)
+ type: bool default: true
+ --loop_invariant_code_motion (loop invariant code motion)
+ type: bool default: true
+ --time_hydrogen (timing for hydrogen)
+ type: bool default: false
+ --trace_hydrogen (trace generated hydrogen to file)
+ type: bool default: false
+ --trace_inlining (trace inlining decisions)
+ type: bool default: false
+ --trace_alloc (trace register allocator)
+ type: bool default: false
+ --trace_range (trace range analysis)
+ type: bool default: false
+ --trace_gvn (trace global value numbering)
+ type: bool default: false
+ --trace_representation (trace representation types)
+ type: bool default: false
+ --stress_pointer_maps (pointer map for every instruction)
+ type: bool default: false
+ --stress_environments (environment for every instruction)
+ type: bool default: false
+ --deopt_every_n_times (deoptimize every n times a deopt point is passed)
+ type: int default: 0
+ --process_arguments_object (try to deal with arguments object)
+ type: bool default: true
+ --trap_on_deopt (put a break point before deoptimizing)
+ type: bool default: false
+ --deoptimize_uncommon_cases (deoptimize uncommon cases)
+ type: bool default: true
+ --polymorphic_inlining (polymorphic inlining)
+ type: bool default: true
+ --aggressive_loop_invariant_motion (aggressive motion of instructions out of loops)
+ type: bool default: true
+ --use_osr (use on-stack replacement)
+ type: bool default: true
+ --trace_osr (trace on-stack replacement)
+ type: bool default: false
+ --stress_runs (number of stress runs)
+ type: int default: 0
+ --optimize_closures (optimize closures)
+ type: bool default: true
+ --debug_code (generate extra code (assertions) for debugging)
+ type: bool default: false
+ --code_comments (emit comments in code disassembly)
+ type: bool default: false
+ --emit_branch_hints (emit branch hints)
+ type: bool default: false
+ --peephole_optimization (perform peephole optimizations in assembly code)
+ type: bool default: true
+ --print_peephole_optimization (print peephole optimizations in assembly code)
+ type: bool default: false
+ --enable_sse2 (enable use of SSE2 instructions if available)
+ type: bool default: true
+ --enable_sse3 (enable use of SSE3 instructions if available)
+ type: bool default: true
+ --enable_sse4_1 (enable use of SSE4.1 instructions if available)
+ type: bool default: true
+ --enable_cmov (enable use of CMOV instruction if available)
+ type: bool default: true
+ --enable_rdtsc (enable use of RDTSC instruction if available)
+ type: bool default: true
+ --enable_sahf (enable use of SAHF instruction if available (X64 only))
+ type: bool default: true
+ --enable_vfp3 (enable use of VFP3 instructions if available (ARM only))
+ type: bool default: true
+ --enable_armv7 (enable use of ARMv7 instructions if available (ARM only))
+ type: bool default: true
+ --expose_natives_as (expose natives in global object)
+ type: string default: NULL
+ --expose_debug_as (expose debug in global object)
+ type: string default: NULL
+ --expose_gc (expose gc extension)
+ type: bool default: false
+ --expose_externalize_string (expose externalize string extension)
+ type: bool default: false
+ --stack_trace_limit (number of stack frames to capture)
+ type: int default: 10
+ --disable_native_files (disable builtin natives files)
+ type: bool default: false
+ --inline_new (use fast inline allocation)
+ type: bool default: true
+ --stack_trace_on_abort (print a stack trace if an assertion failure occurs)
+ type: bool default: true
+ --trace (trace function calls)
+ type: bool default: false
+ --defer_negation (defer negation operation)
+ type: bool default: true
+ --mask_constants_with_cookie (use random jit cookie to mask large constants)
+ type: bool default: true
+ --lazy (use lazy compilation)
+ type: bool default: true
+ --trace_opt (trace lazy optimization)
+ type: bool default: false
+ --trace_opt_stats (trace lazy optimization statistics)
+ type: bool default: false
+ --opt (use adaptive optimizations)
+ type: bool default: true
+ --opt_eagerly (be more eager when adaptively optimizing)
+ type: bool default: false
+ --always_opt (always try to optimize functions)
+ type: bool default: false
+ --prepare_always_opt (prepare for turning on always opt)
+ type: bool default: false
+ --debug_info (add debug information to compiled functions)
+ type: bool default: true
+ --deopt (support deoptimization)
+ type: bool default: true
+ --trace_deopt (trace deoptimization)
+ type: bool default: false
+ --strict (strict error checking)
+ type: bool default: false
+ --min_preparse_length (minimum length for automatic enable preparsing)
+ type: int default: 1024
+ --full_compiler (enable dedicated backend for run-once code)
+ type: bool default: true
+ --always_full_compiler (try to use the dedicated run-once backend for all code)
+ type: bool default: false
+ --trace_bailout (print reasons for falling back to using the classic V8 backend)
+ type: bool default: false
+ --safe_int32_compiler (enable optimized side-effect-free int32 expressions.)
+ type: bool default: true
+ --use_flow_graph (perform flow-graph based optimizations)
+ type: bool default: false
+ --compilation_cache (enable compilation cache)
+ type: bool default: true
+ --loop_peeling (Peel off the first iteration of loops.)
+ type: bool default: false
+ --remote_debugging (enable remote debugging)
+ type: bool default: false
+ --trace_debug_json (trace debugging JSON request/response)
+ type: bool default: false
+ --debugger_auto_break (automatically set the debug break flag when debugger commands are in the queue)
+ type: bool default: true
+ --enable_liveedit (enable liveedit experimental feature)
+ type: bool default: true
+ --stack_size (default size of stack region v8 is allowed to use (in KkBytes))
+ type: int default: 1024
+ --max_stack_trace_source_length (maximum length of function source code printed in a stack trace.)
+ type: int default: 300
+ --always_inline_smi_code (always inline smi code in non-opt code)
+ type: bool default: false
+ --max_new_space_size (max size of the new generation (in kBytes))
+ type: int default: 0
+ --max_old_space_size (max size of the old generation (in Mbytes))
+ type: int default: 0
+ --max_executable_size (max size of executable memory (in Mbytes))
+ type: int default: 0
+ --gc_global (always perform global GCs)
+ type: bool default: false
+ --gc_interval (garbage collect after <n> allocations)
+ type: int default: -1
+ --trace_gc (print one trace line following each garbage collection)
+ type: bool default: false
+ --trace_gc_nvp (print one detailed trace line in name=value format after each garbage collection)
+ type: bool default: false
+ --print_cumulative_gc_stat (print cumulative GC statistics in name=value format on exit)
+ type: bool default: false
+ --trace_gc_verbose (print more details following each garbage collection)
+ type: bool default: false
+ --collect_maps (garbage collect maps from which no objects can be reached)
+ type: bool default: true
+ --flush_code (flush code that we expect not to use again before full gc)
+ type: bool default: true
+ --use_idle_notification (Use idle notification to reduce memory footprint.)
+ type: bool default: true
+ --use_ic (use inline caching)
+ type: bool default: true
+ --native_code_counters (generate extra code for manipulating stats counters)
+ type: bool default: false
+ --always_compact (Perform compaction on every full GC)
+ type: bool default: false
+ --never_compact (Never perform compaction on full GC - testing only)
+ type: bool default: false
+ --cleanup_ics_at_gc (Flush inline caches prior to mark compact collection.)
+ type: bool default: true
+ --cleanup_caches_in_maps_at_gc (Flush code caches in maps during mark compact cycle.)
+ type: bool default: true
+ --random_seed (Default seed for initializing random generator (0, the default, means to use system random).)
+ type: int default: 0
+ --canonicalize_object_literal_maps (Canonicalize maps for object literals.)
+ type: bool default: true
+ --use_big_map_space (Use big map space, but don't compact if it grew too big.)
+ type: bool default: true
+ --max_map_space_pages (Maximum number of pages in map space which still allows to encode forwarding pointers. That's actually a constant, but it's useful to control it with a flag for better testing.)
+ type: int default: 65535
+ --h (print this message)
+ type: bool default: false
+ --new_snapshot (use new snapshot implementation)
+ type: bool default: true
+ --use_verbose_printer (allows verbose printing)
+ type: bool default: true
+ --allow_natives_syntax (allow natives syntax)
+ type: bool default: false
+ --strict_mode (allow strict mode directives)
+ type: bool default: true
+ --optimize_ast (optimize the ast)
+ type: bool default: true
+ --trace_sim (Trace simulator execution)
+ type: bool default: false
+ --check_icache (Check icache flushes in ARM simulator)
+ type: bool default: false
+ --stop_sim_at (Simulator stop after x number of instructions)
+ type: int default: 0
+ --sim_stack_alignment (Stack alingment in bytes in simulator (4 or 8, 8 is default))
+ type: int default: 8
+ --trace_exception (print stack trace when throwing exceptions)
+ type: bool default: false
+ --preallocate_message_memory (preallocate some memory to build stack traces.)
+ type: bool default: false
+ --preemption (activate a 100ms timer that switches between V8 threads)
+ type: bool default: false
+ --trace_regexps (trace regexp execution)
+ type: bool default: false
+ --regexp_optimization (generate optimized regexp code)
+ type: bool default: true
+ --regexp_entry_native (use native code to enter regexp)
+ type: bool default: true
+ --testing_bool_flag (testing_bool_flag)
+ type: bool default: true
+ --testing_int_flag (testing_int_flag)
+ type: int default: 13
+ --testing_float_flag (float-flag)
+ type: float default: 2.500000
+ --testing_string_flag (string-flag)
+ type: string default: Hello, world!
+ --testing_prng_seed (Seed used for threading test randomness)
+ type: int default: 42
+ --testing_serialization_file (file in which to serialize heap)
+ type: string default: /tmp/serdes
+ --help (Print usage message, including flags, on console)
+ type: bool default: true
+ --dump_counters (Dump counters on exit)
+ type: bool default: false
+ --debugger (Enable JavaScript debugger)
+ type: bool default: false
+ --remote_debugger (Connect JavaScript debugger to the debugger agent in another process)
+ type: bool default: false
+ --debugger_agent (Enable debugger agent)
+ type: bool default: false
+ --debugger_port (Port to use for remote debugging)
+ type: int default: 5858
+ --map_counters (Map counters to a file)
+ type: string default: NULL
+ --js_arguments (Pass all remaining arguments to the script. Alias for "--".)
+ type: arguments default:
+ --debug_compile_events (Enable debugger compile events)
+ type: bool default: true
+ --debug_script_collected_events (Enable debugger script collected events)
+ type: bool default: true
+ --gdbjit (enable GDBJIT interface (disables compacting GC))
+ type: bool default: false
+ --gdbjit_full (enable GDBJIT interface for all code objects)
+ type: bool default: false
+ --gdbjit_dump (dump elf objects with debug info to disk)
+ type: bool default: false
+ --log (Minimal logging (no API, code, GC, suspect, or handles samples).)
+ type: bool default: false
+ --log_all (Log all events to the log file.)
+ type: bool default: false
+ --log_runtime (Activate runtime system %Log call.)
+ type: bool default: false
+ --log_api (Log API events to the log file.)
+ type: bool default: false
+ --log_code (Log code events to the log file without profiling.)
+ type: bool default: false
+ --log_gc (Log heap samples on garbage collection for the hp2ps tool.)
+ type: bool default: false
+ --log_handles (Log global handle events.)
+ type: bool default: false
+ --log_snapshot_positions (log positions of (de)serialized objects in the snapshot.)
+ type: bool default: false
+ --log_suspect (Log suspect operations.)
+ type: bool default: false
+ --log_producers (Log stack traces of JS objects allocations.)
+ type: bool default: false
+ --prof (Log statistical profiling information (implies --log-code).)
+ type: bool default: false
+ --prof_auto (Used with --prof, starts profiling automatically)
+ type: bool default: true
+ --prof_lazy (Used with --prof, only does sampling and logging when profiler is active (implies --noprof_auto).)
+ type: bool default: false
+ --prof_browser_mode (Used with --prof, turns on browser-compatible mode for profiling.)
+ type: bool default: true
+ --log_regexp (Log regular expression execution.)
+ type: bool default: false
+ --sliding_state_window (Update sliding state window counters.)
+ type: bool default: false
+ --logfile (Specify the name of the log file.)
+ type: string default: v8.log
+ --ll_prof (Enable low-level linux profiler.)
+ type: bool default: false
+
+
.SH RESOURCES AND DOCUMENTATION
See the website for documentation http://nodejs.org/
projects / platform / upstream / nodejs.git / commitdiff