Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 210,111
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     211,356
Calibration 2     210,465
Calibration 3     210,178
ssj_ops@calibrated=210,322
100% 99.9% 210,322 210,111
90% 90.4% 189,289 190,078
80% 79.8% 168,257 167,882
70% 70.4% 147,225 148,003
60% 60.1% 126,193 126,457
50% 49.7% 105,161 104,614
40% 39.8% 84,129 83,752
30% 29.8% 63,096 62,631
20% 20.4% 42,064 42,808
10% 9.8% 21,032 20,520
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,375,677 1,494
Payment 15,375,675
Order Status 1,537,566
Delivery 1,537,567
Stock Level 1,537,567
Customer Report 15,375,674
Calibration 2 New Order 15,308,058 1,494
Payment 15,308,061
Order Status 1,530,806
Delivery 1,530,807
Stock Level 1,530,806
Customer Report 15,308,064
Calibration 3 New Order 15,286,176 1,494
Payment 15,286,177
Order Status 1,528,619
Delivery 1,528,619
Stock Level 1,528,619
Customer Report 15,286,178
100% 99.9% New Order 15,282,083 1,494
Payment 15,282,087
Order Status 1,528,210
Delivery 1,528,208
Stock Level 1,528,209
Customer Report 15,282,087
90% 90.4% New Order 13,824,570 1,494
Payment 13,824,569
Order Status 1,382,456
Delivery 1,382,458
Stock Level 1,382,458
Customer Report 13,824,569
80% 79.8% New Order 12,209,961 1,494
Payment 12,209,963
Order Status 1,220,996
Delivery 1,220,998
Stock Level 1,220,996
Customer Report 12,209,960
70% 70.4% New Order 10,763,854 1,494
Payment 10,763,853
Order Status 1,076,385
Delivery 1,076,385
Stock Level 1,076,385
Customer Report 10,763,848
60% 60.1% New Order 9,196,871 1,494
Payment 9,196,876
Order Status 919,686
Delivery 919,689
Stock Level 919,688
Customer Report 9,196,872
50% 49.7% New Order 7,608,503 1,494
Payment 7,608,501
Order Status 760,850
Delivery 760,851
Stock Level 760,850
Customer Report 7,608,499
40% 39.8% New Order 6,091,196 1,494
Payment 6,091,194
Order Status 609,119
Delivery 609,120
Stock Level 609,119
Customer Report 6,091,195
30% 29.8% New Order 4,555,151 1,494
Payment 4,555,155
Order Status 455,514
Delivery 455,515
Stock Level 455,513
Customer Report 4,555,152
20% 20.4% New Order 3,113,337 1,494
Payment 3,113,332
Order Status 311,333
Delivery 311,334
Stock Level 311,334
Customer Report 3,113,330
10% 9.8% New Order 1,492,423 1,494
Payment 1,492,423
Order Status 149,243
Delivery 149,242
Stock Level 149,242
Customer Report 1,492,427
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0