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authorMarcus Müller <mueller@kit.edu>2018-02-20 11:22:14 +0100
committerMarcus Müller <marcus@hostalia.de>2018-02-23 19:06:50 +0100
commit97f0d1cecf4a8cb82e8e16e4dfcac0589c5b56c7 (patch)
treee0ad2aba49c4ebcb8a8bbf9f6b65bc8a953c95e0 /gr-blocks/lib/probe_rate_impl.cc
parent2fc414578985b59c5bfbb15103f3c3677a1c6fdc (diff)
blocks: remove unnecessary call to pmt::intern at runtime
typical usage: message_port_pub(pmt::mp("out_port"), …) which is bad, as it implies hashing of a string, allocation of memory, deallocation, finding the hashed string in the table of interned strings and returning a unique pointer (which for reasons of PMT awesomeness isn't even unique) to the interned port name. Replacing all these port name ad hoc ::mp() calls by reusing one, private, port name member.
Diffstat (limited to 'gr-blocks/lib/probe_rate_impl.cc')
-rw-r--r--gr-blocks/lib/probe_rate_impl.cc13
1 files changed, 8 insertions, 5 deletions
diff --git a/gr-blocks/lib/probe_rate_impl.cc b/gr-blocks/lib/probe_rate_impl.cc
index 015b157d39..898c20c515 100644
--- a/gr-blocks/lib/probe_rate_impl.cc
+++ b/gr-blocks/lib/probe_rate_impl.cc
@@ -46,9 +46,12 @@ namespace gr {
d_avg(0),
d_min_update_time(update_rate_ms),
d_lastthru(0),
- d_itemsize(itemsize)
+ d_itemsize(itemsize),
+ d_port(pmt::mp("rate")),
+ d_dict_avg(pmt::mp("rate_avg")),
+ d_dict_now(pmt::mp("rate_now"))
{
- message_port_register_out(pmt::mp("rate"));
+ message_port_register_out(d_port);
}
probe_rate_impl::~probe_rate_impl(){}
@@ -70,9 +73,9 @@ namespace gr {
d_avg = rate_this_update*d_alpha + d_avg*d_beta;
}
pmt::pmt_t d = pmt::make_dict();
- d = pmt::dict_add(d, pmt::mp("rate_avg"), pmt::mp(d_avg));
- d = pmt::dict_add(d, pmt::mp("rate_now"), pmt::mp(rate_this_update));
- message_port_pub(pmt::mp("rate"), pmt::cons(d, pmt::PMT_NIL));
+ d = pmt::dict_add(d, d_dict_avg, pmt::mp(d_avg));
+ d = pmt::dict_add(d, d_dict_now, pmt::mp(rate_this_update));
+ message_port_pub(d_port, pmt::cons(d, pmt::PMT_NIL));
}
return noutput_items;
}