diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/design_utils.cc | 6 | ||||
-rw-r--r-- | common/nextpnr.cc | 123 | ||||
-rw-r--r-- | common/nextpnr.h | 8 | ||||
-rw-r--r-- | common/place_sa.cc | 1 | ||||
-rw-r--r-- | common/route.cc | 2 | ||||
-rw-r--r-- | common/timing.cc | 3 |
6 files changed, 140 insertions, 3 deletions
diff --git a/common/design_utils.cc b/common/design_utils.cc index 535b6fda..fa914ee2 100644 --- a/common/design_utils.cc +++ b/common/design_utils.cc @@ -67,8 +67,10 @@ void print_utilisation(const Context *ctx) log_break(); log_info("Device utilisation:\n"); for (auto type : available_types) { - log_info("\t%20s: %5d/%5d\n", ctx->belTypeToId(type.first).c_str(ctx), - get_or_default(used_types, type.first, 0), type.second); + IdString type_id = ctx->belTypeToId(type.first); + int used_bels = get_or_default(used_types, type.first, 0); + log_info("\t%20s: %5d/%5d %5d%%\n", type_id.c_str(ctx), + used_bels, type.second, 100*used_bels/type.second); } log_break(); } diff --git a/common/nextpnr.cc b/common/nextpnr.cc index b093d855..144da7c8 100644 --- a/common/nextpnr.cc +++ b/common/nextpnr.cc @@ -53,4 +53,127 @@ void IdString::initialize_add(const BaseCtx *ctx, const char *s, int idx) ctx->idstring_idx_to_str->push_back(&insert_rc.first->first); } +static uint32_t xorshift32(uint32_t x) +{ + x ^= x << 13; + x ^= x >> 17; + x ^= x << 5; + return x; +} + +uint32_t Context::checksum() const +{ + uint32_t cksum = xorshift32(123456789); + + uint32_t cksum_nets_sum = 0; + for (auto &it : nets) + { + auto &ni = *it.second; + uint32_t x = 123456789; + x = xorshift32(x + xorshift32(it.first.index)); + x = xorshift32(x + xorshift32(ni.name.index)); + if (ni.driver.cell) + x = xorshift32(x + xorshift32(ni.driver.cell->name.index)); + x = xorshift32(x + xorshift32(ni.driver.port.index)); + x = xorshift32(x + xorshift32(getDelayChecksum(ni.driver.budget))); + + for (auto &u : ni.users) { + if (u.cell) + x = xorshift32(x + xorshift32(u.cell->name.index)); + x = xorshift32(x + xorshift32(u.port.index)); + x = xorshift32(x + xorshift32(getDelayChecksum(u.budget))); + } + + uint32_t attr_x_sum = 0; + for (auto &a : ni.attrs) { + uint32_t attr_x = 123456789; + attr_x = xorshift32(attr_x + xorshift32(a.first.index)); + for (uint8_t ch : a.second) + attr_x = xorshift32(attr_x + xorshift32(ch)); + attr_x_sum += attr_x; + } + x = xorshift32(x + xorshift32(attr_x_sum)); + + uint32_t wire_x_sum = 0; + for (auto &w : ni.wires) { + uint32_t wire_x = 123456789; + wire_x = xorshift32(wire_x + xorshift32(getWireChecksum(w.first))); + wire_x = xorshift32(wire_x + xorshift32(getPipChecksum(w.second))); + wire_x_sum += wire_x; + } + x = xorshift32(x + xorshift32(wire_x_sum)); + + uint32_t pip_x_sum = 0; + for (auto &p : ni.pips) { + uint32_t pip_x = 123456789; + pip_x = xorshift32(pip_x + xorshift32(getPipChecksum(p.first))); + pip_x = xorshift32(pip_x + xorshift32(p.second)); + pip_x_sum += pip_x; + } + x = xorshift32(x + xorshift32(pip_x_sum)); + + cksum_nets_sum += x; + } + cksum = xorshift32(cksum + xorshift32(cksum_nets_sum)); + + uint32_t cksum_cells_sum = 0; + for (auto &it : cells) + { + auto &ci = *it.second; + uint32_t x = 123456789; + x = xorshift32(x + xorshift32(it.first.index)); + x = xorshift32(x + xorshift32(ci.name.index)); + x = xorshift32(x + xorshift32(ci.type.index)); + + uint32_t port_x_sum = 0; + for (auto &p : ci.ports) { + uint32_t port_x = 123456789; + port_x = xorshift32(port_x + xorshift32(p.first.index)); + port_x = xorshift32(port_x + xorshift32(p.second.name.index)); + if (p.second.net) + port_x = xorshift32(port_x + xorshift32(p.second.net->name.index)); + port_x = xorshift32(port_x + xorshift32(p.second.type)); + port_x_sum += port_x; + } + x = xorshift32(x + xorshift32(port_x_sum)); + + uint32_t attr_x_sum = 0; + for (auto &a : ci.attrs) { + uint32_t attr_x = 123456789; + attr_x = xorshift32(attr_x + xorshift32(a.first.index)); + for (uint8_t ch : a.second) + attr_x = xorshift32(attr_x + xorshift32(ch)); + attr_x_sum += attr_x; + } + x = xorshift32(x + xorshift32(attr_x_sum)); + + uint32_t param_x_sum = 0; + for (auto &p : ci.params) { + uint32_t param_x = 123456789; + param_x = xorshift32(param_x + xorshift32(p.first.index)); + for (uint8_t ch : p.second) + param_x = xorshift32(param_x + xorshift32(ch)); + param_x_sum += param_x; + } + x = xorshift32(x + xorshift32(param_x_sum)); + + x = xorshift32(x + xorshift32(getBelChecksum(ci.bel))); + x = xorshift32(x + xorshift32(ci.belStrength)); + + uint32_t pin_x_sum = 0; + for (auto &a : ci.pins) { + uint32_t pin_x = 123456789; + pin_x = xorshift32(pin_x + xorshift32(a.first.index)); + pin_x = xorshift32(pin_x + xorshift32(a.second.index)); + pin_x_sum += pin_x; + } + x = xorshift32(x + xorshift32(pin_x_sum)); + + cksum_cells_sum += x; + } + cksum = xorshift32(cksum + xorshift32(cksum_cells_sum)); + + return cksum; +} + NEXTPNR_NAMESPACE_END diff --git a/common/nextpnr.h b/common/nextpnr.h index db6901fe..e52f72c2 100644 --- a/common/nextpnr.h +++ b/common/nextpnr.h @@ -302,10 +302,14 @@ struct Context : Arch { // xorshift64star // https://arxiv.org/abs/1402.6246 + + uint64_t retval = rngstate * 0x2545F4914F6CDD1D; + rngstate ^= rngstate >> 12; rngstate ^= rngstate << 25; rngstate ^= rngstate >> 27; - return rngstate * 0x2545F4914F6CDD1D; + + return retval; } int rng() { return rng64() & 0x3fffffff; } @@ -351,6 +355,8 @@ struct Context : Arch std::sort(a.begin(), a.end()); shuffle(a); } + + uint32_t checksum() const; }; NEXTPNR_NAMESPACE_END diff --git a/common/place_sa.cc b/common/place_sa.cc index 591766aa..4d0d5d08 100644 --- a/common/place_sa.cc +++ b/common/place_sa.cc @@ -480,6 +480,7 @@ bool place_design_sa(Context *ctx) { SAPlacer placer(ctx); placer.place(); + log_info("Checksum: 0x%08x\n", ctx->checksum()); return true; } diff --git a/common/route.cc b/common/route.cc index bf11b7d2..69a314d7 100644 --- a/common/route.cc +++ b/common/route.cc @@ -480,6 +480,7 @@ bool route_design(Context *ctx) while (!netsQueue.empty()) { if (iterCnt == 200) { log_warning("giving up after %d iterations.\n", iterCnt); + log_info("Checksum: 0x%08x\n", ctx->checksum()); return false; } @@ -616,6 +617,7 @@ bool route_design(Context *ctx) } log_info("routing complete after %d iterations.\n", iterCnt); + log_info("Checksum: 0x%08x\n", ctx->checksum()); return true; } diff --git a/common/timing.cc b/common/timing.cc index a7b37f9d..ac116711 100644 --- a/common/timing.cc +++ b/common/timing.cc @@ -78,6 +78,7 @@ static delay_t follow_net(Context *ctx, NetInfo *net, int path_length, void assign_budget(Context *ctx, float default_clock) { + log_break(); log_info("Annotating ports with timing budgets\n"); // Clear delays to a very high value first delay_t default_slack = delay_t(1.0e12 / default_clock); @@ -117,6 +118,8 @@ void assign_budget(Context *ctx, float default_clock) net.first.c_str(ctx), ctx->getDelayNS(user.budget)); } } + + log_info("Checksum: 0x%08x\n", ctx->checksum()); } NEXTPNR_NAMESPACE_END |