Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 202,274
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     205,427
Calibration 2     202,841
Calibration 3     202,963
ssj_ops@calibrated=202,902
100% 99.7% 202,902 202,274
90% 90.0% 182,612 182,593
80% 80.4% 162,321 163,120
70% 69.9% 142,031 141,888
60% 59.8% 121,741 121,388
50% 49.7% 101,451 100,879
40% 40.4% 81,161 81,947
30% 30.0% 60,871 60,945
20% 19.8% 40,580 40,116
10% 9.9% 20,290 20,045
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 14,942,594 1,494
Payment 14,942,598
Order Status 1,494,258
Delivery 1,494,259
Stock Level 1,494,259
Customer Report 14,942,596
Calibration 2 New Order 14,753,936 1,494
Payment 14,753,932
Order Status 1,475,394
Delivery 1,475,393
Stock Level 1,475,394
Customer Report 14,753,936
Calibration 3 New Order 14,762,807 1,494
Payment 14,762,810
Order Status 1,476,282
Delivery 1,476,280
Stock Level 1,476,280
Customer Report 14,762,809
100% 99.7% New Order 14,711,124 1,494
Payment 14,711,123
Order Status 1,471,113
Delivery 1,471,112
Stock Level 1,471,112
Customer Report 14,711,125
90% 90.0% New Order 13,279,761 1,494
Payment 13,279,760
Order Status 1,327,975
Delivery 1,327,978
Stock Level 1,327,976
Customer Report 13,279,758
80% 80.4% New Order 11,863,705 1,494
Payment 11,863,715
Order Status 1,186,370
Delivery 1,186,370
Stock Level 1,186,370
Customer Report 11,863,705
70% 69.9% New Order 10,319,510 1,494
Payment 10,319,515
Order Status 1,031,951
Delivery 1,031,952
Stock Level 1,031,950
Customer Report 10,319,510
60% 59.8% New Order 8,829,643 1,494
Payment 8,829,645
Order Status 882,965
Delivery 882,965
Stock Level 882,964
Customer Report 8,829,642
50% 49.7% New Order 7,336,969 1,494
Payment 7,336,975
Order Status 733,697
Delivery 733,697
Stock Level 733,697
Customer Report 7,336,973
40% 40.4% New Order 5,960,295 1,494
Payment 5,960,287
Order Status 596,028
Delivery 596,029
Stock Level 596,028
Customer Report 5,960,290
30% 30.0% New Order 4,432,515 1,494
Payment 4,432,509
Order Status 443,250
Delivery 443,251
Stock Level 443,251
Customer Report 4,432,515
20% 19.8% New Order 2,917,580 1,494
Payment 2,917,572
Order Status 291,757
Delivery 291,757
Stock Level 291,758
Customer Report 2,917,576
10% 9.9% New Order 1,457,880 1,494
Payment 1,457,881
Order Status 145,786
Delivery 145,788
Stock Level 145,788
Customer Report 1,457,879
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0