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Profiler experiments: update flag default values.

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This doesn't enable the experimental profiler by default, it just tunes its behavior when it is enabled.

Review URL: https://chromiumcodereview.appspot.com/9668009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10992 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
jkummerow@chromium.org 2012-03-09 17:55:54 +00:00
parent 1d4221a4d3
commit efee39a075
1 changed files with 7 additions and 5 deletions
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12
src/flag-definitions.h
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@ -177,26 +177,28 @@ DEFINE_bool(optimize_for_in, true,
// Experimental profiler changes. // Experimental profiler changes.
DEFINE_bool(experimental_profiler, false, "enable all profiler experiments") DEFINE_bool(experimental_profiler, false, "enable all profiler experiments")
DEFINE_bool(watch_ic_patching, false, "profiler considers IC stability") DEFINE_bool(watch_ic_patching, false, "profiler considers IC stability")
DEFINE_int(frame_count, 2, "number of stack frames inspected by the profiler") DEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler")
DEFINE_bool(self_optimization, false, DEFINE_bool(self_optimization, false,
"primitive functions trigger their own optimization") "primitive functions trigger their own optimization")
DEFINE_bool(direct_self_opt, false, DEFINE_bool(direct_self_opt, false,
"call recompile stub directly when self-optimizing") "call recompile stub directly when self-optimizing")
DEFINE_bool(retry_self_opt, true, "re-try self-optimization if it failed") DEFINE_bool(retry_self_opt, false, "re-try self-optimization if it failed")
DEFINE_bool(count_based_interrupts, false, DEFINE_bool(count_based_interrupts, false,
"trigger profiler ticks based on counting instead of timing") "trigger profiler ticks based on counting instead of timing")
DEFINE_bool(interrupt_at_exit, false, DEFINE_bool(interrupt_at_exit, false,
"insert an interrupt check at function exit") "insert an interrupt check at function exit")
DEFINE_bool(weighted_back_edges, false, DEFINE_bool(weighted_back_edges, false,
"weight back edges by jump distance for interrupt triggering") "weight back edges by jump distance for interrupt triggering")
DEFINE_int(interrupt_budget, 10000, DEFINE_int(interrupt_budget, 5900,
"execution budget before interrupt is triggered") "execution budget before interrupt is triggered")
DEFINE_int(type_info_threshold, 0, DEFINE_int(type_info_threshold, 40,
"percentage of ICs that must have type info to allow optimization") "percentage of ICs that must have type info to allow optimization")
DEFINE_int(self_opt_count, 170, "call count before self-optimization") DEFINE_int(self_opt_count, 130, "call count before self-optimization")
DEFINE_implication(experimental_profiler, watch_ic_patching) DEFINE_implication(experimental_profiler, watch_ic_patching)
DEFINE_implication(experimental_profiler, self_optimization) DEFINE_implication(experimental_profiler, self_optimization)
// Not implying direct_self_opt here because it seems to be a bad idea.
DEFINE_implication(experimental_profiler, retry_self_opt)
DEFINE_implication(experimental_profiler, count_based_interrupts) DEFINE_implication(experimental_profiler, count_based_interrupts)
DEFINE_implication(experimental_profiler, interrupt_at_exit) DEFINE_implication(experimental_profiler, interrupt_at_exit)
DEFINE_implication(experimental_profiler, weighted_back_edges) DEFINE_implication(experimental_profiler, weighted_back_edges)